8242results about "Essential-oils/perfumes" patented technology

The present invention relates to a perfume composition for delivery of high impact accord perfume ingredients, encapsulated embodiments of such compositions and their use in laundry and cleaning applications.

The present invention relates to novel heterocyclic pro-fragrances, preferably oxazolidines, tertahydro-1,3-oxazines, thiazolidines, or tetrahydro-1,3-thiazines, more preferably oxazolidines, or tertahydro-1,3-oxazines, most preferably oxazolidines, which are capable of sustained release of fragrance raw material ketones and aldehydes and to fragrance delivery systems which comprise said pro-fragrances.

A fragrance delivery system which releases fragrant alcohols upon exposure to light. The system comprises 2-benzoyl benzoates of general formulae which can comprise various subtituents R1-R5 as defined in the application and a substituted R* which is the organic part of a fragrant alcohol.

The present invention relates to photo-labile pro-fragrance conjugates comprising:a) a photo-labile unit which upon exposure to electromagnetic radiation is capable of releasing a pro-fragrance unit; andb) a pro-fragrance unit, which when so released is eitheri) a pro-fragrance compound capable of releasing a fragrance raw material; orii) a fragrance raw material.The present invention relates to systems for delivering fragrances to a situs, and to laundry detergent compositions, fine fragrances, personal care and hair care compositions comprising said systems.

The use to e of tetrafluoropropenes, particularly (HFO-1234) in a variety of applications, including refrigeration equipment, is disclosed. These materials are generally useful as refrigerants for heating and cooling, as blowing agents, as aerosol propellants, as solvent composition, and as fire extinguishing and suppressing agents.

A polymeric encapsulated fragrance is disclosed which is suitable for use in personal care and cleaning products. In a preferred embodiment of the invention, the fragrance is encapsulated by a first polymer material to form a fragrance encapsulated polymer, the polymer encapsulated shell is then coated with a mixture of cationic polymers, in a preferred embodiment the coating polymers are a reaction product of polyamines and (chloromethyl) oxirane or (bromomethyl) oxirane.

Described is a bioprocess for the high-yield production of food flavor-acceptable jasmonic acid and methyl jasmonate, as well as a novel jasmonic acid isomer produced thereby and organoleptic uses thereof. The process yields at least 5% of the "cis" isomer defined according the structure:(wherein R is hydrogen or methyl) or at least 5% of the "cis" isomer defined according to the structure:(wherein R is hydrogen or methyl). Compositions containing at least 98% of the isomer having the structure:with an optical rotation (alphaD20) of +58° are novel. Compositions containing at least 98% of the isomer having the structure:with an optical rotation (alphaD20) of +58° are also novel. The process of our invention comprises the cultivation under aerobic condition of one or more specific strain of Diplodia gossypina in a nutrient medium followed either by (1) isolation of the jasmonic acid product or (2) esterification of the jasmonic acid to form methyl jasmonate followed by the isolation of the methyl jasmonate and novel products produced by such process.

A composition and a method of use for reducing malsensory agents comprising a component selected from the group consisting of fragrances, flavors, unfragranced carriers and mixtures thereof, with undecylenic acid and / or a derivative thereof, in an amount effective to reduce the malsensory agents and allow release of the component from the composition.

Described is a process and compositions for counteracting human sweat malodor. The compositions containing at least 10 weight percent of either 3,7-dimethyl-2,6-nonadienenitrile or 3,7-dimethyl-2,6-octadienenitrile. Additional ingredients may be added including napthyl methyl ether, methyl beta-naphthyl ketone, benzyl acetone, methanoinden propionates, methyl ionone, tetramethylnaphtho furan, ethylene glycol cyclic ester of dodecanedioic acid, 1-cyclohexadecen-6-one, 1-cycliheptadecen- 10-one, and corn mint oil. These compositions are applied to either fabric or a defined surface area of the human epidermis.

Compounds of formula (I)in which R=H or CH3 and n is a whole number from 1 to 4. These compounds are useful as refreshing agents in various compositions, articles or products from flavor manufacture or perfumery.

The present application relates to perfume systems and consumer products comprising new perfumes and / or such perfume systems, as well as processes for making and using such perfume systems and consumer products.

Basic magnesium carbonate comprising a tubular aggregated particle of flaky fine crystals.

The invention discloses a viscose fiber with a plant source anti-bacterial function and aromatic smell. The viscose fiber is composed of a viscose spinning solution, an anti-bacterial agent and an aromatic agent, wherein the anti-bacterial agent is mixed powder of a mint extract and a isatis root extract, wherein the weight percentage of the mint extract accounts for 40%-80%; and the weight percentage of the isatis root extract accounts for 60%-20%; the aromatic agent is mint oil coated by microcapsules; the anti-bacterial agent accounts for 1%-8% of the mass of methyl cellulose in the viscose spinning solution; the mint oil accounts for 0.2%-1% of the mass of methyl cellulose in the viscose spinning solution; and the viscose fiber is prepared by adopting a wet spinning method by using the viscose spinning solution, the anti-bacterial agent and the aromatic agent. The plant source extracts and the plant source essential oil are used as the anti-bacterial agent and the aromatic agent; and the anti-bacterial agent and the aromatic agent are uniformly distributed in the fiber, so that the anti-bacterial function and the aromatic smell of the fiber are durable. Since the plant source extracts and the aromatic agent are natural substances extracted from the plants, so that the viscose fiber has no side effect to human body.

The invention opened a process to produce the micro-capsule of aromatic plant essential oil. The micro-capsule is made up of aromatic plant essential oil and capsule material. The particle size is 10-30um; the process is: first to dissolve the capsule material, then to dissolve the surface activator in the water phase or the oil phase, next to stir to get the latex emulsion, last to get the product by the spray drier. The product can be used to food, medicine, cosmetic, printing and dyeing and coatings.

According to the present invention there is provided a wet wipe comprising a substrate that has tensile strength of at least 5 N / inch and which is biodegradable. In a further aspect, the present invention provides a flushable wet wipe comprising a substrate having a loading factor of at least 1.5 grams of cleaning composition per gram of substrate and which is biodegradable. The wet wipes is suitable for cleaning hard surfaces, especially lavatories and is flushable.

The present invention relates to a novel controlled release carrier system for pH or salt triggered release and targeted delivery of fragrances and other active ingredients onto fabric, hair, skin, and other biological surfaces and which provides prolonged release of fragrances and other active ingredients over an extended period of time, or yields a high impact fragrance “burst” upon treating the target surface with heat (blow drying the hair, ironing the fabric). The controlled delivery system of the present invention is substantially a free-flowing powder formed of solid hydrophobic nano-spheres comprising the fragrance and other active ingredients that are encapsulated in a pH or salt sensitive micro-spheres. Also described are processes for preparing such compositions and processes for using same. Furthermore, certain components of the aforementioned compositions in combination with one another are novel, and other components have novel uses in increasing fragrance substantivity, particularly in fabric, hair, and skin care preparations. The invention further pertains to consumer and diversified products comprising the controlled release system of the present invention.

The invention relates to a method for preparing tobacco extract and application thereof. The method for preparing the tobacco extract uses tobacco as a raw material to prepare the tobacco extract through the steps of enzymolysis, ultrasonic extraction, filtration, chromatography column separation and concentration under reduced pressure; and the tobacco extract is dissolved by 80 percent ethanol and sprayed into tobacco shreds by adopting an atomizing mode. The method using enzymolysis technology and ultrasonic extraction and combining the chromatography separation has the advantages of low extraction temperature, short time, little using amount of a solvent, full extraction and high raw material utilization rate; because the extraction temperature is low, the damage to thermal-sensitive fragrant substances is reduced, fragrant components of the tobacco self is furthest kept, and simultaneously the substances influencing the taste and mouthfeel are removed; and the method is simple, the equipment is easy to operate, and no pollution is produced.

The invention concerns a transparent perfume composition substantially free of volatile organic solvents and in the form of an oil-in-water emulsion. The oil phase contains perfume ingredients, and the difference between the refractive indices of the oil phase and the aqueous phase is less than 0.003. This is achieved by adding agents with certain refractive indices to each of said phases.

PCT No. PCT / EP96 / 00163 Sec. 371 Date Oct. 15, 1997 Sec. 102(e) Date Oct. 15, 1997 PCT Filed Jan. 17, 1996 PCT Pub. No. WO96 / 22265 PCT Pub. Date Jul. 25, 1996A dilute ethylene stream, e.g., one produced by steam cracking, is oxonated to yield propanal, without the need to separate other lower hydrocarbons.

The invention relates to the essential oil of tobaccos as well as a preparation method and application thereof to cigarettes. The essential oil of the tobaccos is prepared by the following method of: taking discarded / defective tobacco wastes, extracting by an organic solvent, taking the crude extract of the essential oil, introducing water vapor, condensing and separating oil and water so as to obtain the essential oil of the tobaccos. By adding the essential oil of the tobaccos, which is disclosed by the invention and is used as a flavoring agent, into the tobacco shreds of cigarettes, the self fragrance of the tobaccos can be increased, the quality of the fragrance of the cigarettes is enhanced, the excitation and the miscellaneous gas of the tobaccos are reduced, and smoke is softened. The essential oil of the tobaccos as well as the preparation method and the application thereof to the cigarettes have the advantages that the advantage of higher extracting yield of a solvent extracting method and the characteristic of refinement of a water-vapor distillation extracting method are combined, the yield of the essential oil of the tobaccos is obviously higher than that of a traditional water-vapor distillation method, and extracting equipment and a solvent are simple and convenient and are easy to obtain; and moreover, no solvent residue exists in a final product of the essential oil of the tobaccos, and the safety of the product is high.

The present invention provides for the expression of phytase in transgenic plants or plant organs and methods for the production of such plants. DNA expression constructs are provided for the transformation of plants with a gene encoding phytase under the control of regulatory sequences which are capable of directing the expression of phytase. These regulatory sequences include sequences capable of directing transcription in plants, either constitutively, or stage and / or tissue specific, depending on the use of the plant or parts thereof. The transgenic plants and plant organs provided by the present invention may be applied to a variety of industrial processes either directly, e.g. in animal feeds or alternatively, the expressed phytase may be extracted and if desired, purified before application.

The invention discloses a preparation method and application for cigarette flavor. The preparation method for the cigarette flavor comprises the following steps: a single amino acid is selected, or a few single amino acids are compounded, and the amino acids are mixed with a saccharide substance according to certain proportion to react under certain conditions to obtain a Maillard reaction liquid product, namely the cigarette flavor. The cigarette flavor obtained by the preparation method has certain improvement on the smoking smell of shredded tobacco, ensures that the smoking fragrance is plumper, reduces smoking miscellaneous gas and the irritation of smoke gas, and improves the sense of comfort.

The invention discloses a method of extracting rose essential oil and rose pure dew, using the distillation technique in the water vapor. The method includes the steps: (1) the roses are fed into a distillation kettle; (2) deionized water is added to the distillation kettle; (3) non-iodine salt is added to the distillation kettle; (4) the coiled pipe is opened to supply steam and heat the distillation kettle; (5) the condenser is opened to supply cooled water; the cooled oil water is mixed with steam; (6) the oil water mixture cooled by the condenser is guided into an oil water separator for the oil water separation; (7) the water layer separated by the oil water separator flows back to the distillation kettle to have repeated distillation; when the repeated distillation is finished, the repeated flow valve is closed and the collector valve is opened to collect the water layer so that the rose pure dew is obtained; (8) when the oil and water are divided into layers, the oil water separator is opened to collect the water layer so that the rose essential oil is obtained; (9) water is released and the waste slag is discharged. The method of extracting the rose essential oil and the rose pure dew has the advantages of high stability of the products, high content of the active composition, simple operation, easy mastery and low production cost.

The invention provides a piece of equipment and a method for extracting volatile essential oil from natural perfume plants by using the technology of reduced pressure steam distillation extraction. The equipment provided in the invention comprises a steam distillation system and a vacuum system, wherein the steam distillation system is composed of a steam generator, a material retort, a condenser, an oil-water separator and connecting pipelines, and the vacuum system comprises a vacuum unit or a suction pump, a pressure regulator valve, connecting pipelines and the like. The method comprises the following steps that: plant raw materials to be extracted for essential oil in the material retort is controlled to be at a certain temperature and under certain pressure so as to reduce changes of aroma components in perfume plants in the process of extraction as much as possible; extracted volatile components of essential oil is mixed with steam to form mixed steam of water and oil; the mixed steam enters into the condenser for condensation and then enters into the oil-water separator for separation; an oil phase is collected after separation and the oil phase is plant essential oil; the separated water phase is flower water. The essential oil and flower water obtained by the extraction method have pure aroma, suffer little loss for head volatile thereof, and are applicable to the industries of perfumes, essence, cosmetics, daily chemicals, etc.

The invention discloses a method for producing tobacco perfume by adopting red jujube extract through the Maillard reaction, which relates to a preparation method of tobacco perfume. The preparation method comprises the following steps: (1) preparing the red jujube extract; (2) adding one or a plurality of types of aminophenol or amines in the red jujube extract, adding H2O and solvent which are placed in a reaction kettle to be mixed into a homogeneous reaction system, adjusting the pH value of the reaction system, putting reagent into a return pipe, leading the reagent to perform the Maillard reaction under the conditions of mixing, heating and normal pressure, and obtaining the tobacco perfume by the return reaction. The method enables the perfume material in the red jujube extract to mutually serve the perfume material produced in the Maillard reaction, thereby forming the tobacco perfume with rich and special fragrance and multiple type, having strong fruity coordinating with the smoke gas of a cigarette, increasing the smoke gas concentration, leading the smoke gas to be soft and exquisite, hiding the mixed gas and obviously improving the tobacco quality.

The invention discloses a microcapsule essence perfume for cigarettes as well as a preparation method of the microcapsule essence perfume. The microcapsule essence perfume contains the following raw materials in parts by weight: 1-3 parts of essence, 0.05-0.2 part of glycerinum or / and propylene glycol, 1-5 parts of wall materials and 0.01-0.03 part of emulsifier. The preparation method comprises the steps of: mixing essence, glycerinum or / and propylene glycol to obtain a mixture, evenly stirring the mixture, adding 95% ethanol with 1-10 times weight of the mixture, and mixing and evenly mixing to obtain a mixed solution; adding wall materials and emulsifier in the mixed solution and stirring for homogenization; and sealing, standing for 1-2 hours at normal temperature, refrigerating for 15-60 minutes at the temperature of minus 20 DEG C to minus 80 DEG C, drying for 8-24 hours at the vacuum degree of 30-80MPa and the temperature of 40-80 DEG C, grinding dried products, sieving the ground products to prepare microcapsule particles, thereby obtaining the microcapsule essence perfume for cigarettes. The perfume for cigarettes is made to microcapsules, so that perfume is free from being affected by external factors, and loss and fragrance distortion caused by volatile components in the perfume for cigarettes are effectively reduced.

The invention discloses a water capsule for a three-layer cigarette and a preparation method of the water capsule. Water-soluble essence serves as an inner layer in the capsule, water serving as a solvent dilutes the essence, a middle layer is a sodium alginate complex to wrap the water and the essence, and a third layer is a waxy material to prevent the water from permeating in the capsule. An additive can endow the cigarette with special fragrance and taste or can lower content of harmful chemical components in smoke of the cigarette. The preparation method is simple and easy to implement in process, simple in equipment, capable of being directly used for cigarette processing and convenient for popularization and application. Used raw materials are extensive in source and low in cost.