43results about How to "Small pore" patented technology

A porous ceramic honeycomb filter manufactured from an oxide-based ceramic material having a pore size distribution with d₁≧7.0 microns. Preferably, the oxide-based material is cordierite or aluminum titanate. Alternatively, the filter contains a cordierite-containing ceramic body with a narrow pore size distribution with d_b≦1.00, wherein d_b=(d₉₀−d₁₀)/d₅₀. Also disclosed is a batch mixture, method and honeycomb green body made from mixture of inorganic source materials selected from the group of magnesia sources, alumina sources, and silica sources, and a pore former having a narrow particle size distribution with d_ps≦0.90, wherein d_ps={(dp₉₀−dp₁₀)/dp₅₀}. The pore former is preferably selected from a group consisting of canna starch, sago palm starch, green mung bean starch, and single-mode potato starch.

A composite material having a preferably rigid preformed ceramic fiber matrix at least partially impregnated with an aerogel and forming a multi-layered material. The matrix is impregnated with an aerogel material which forms a layer having a total thickness r where r is less than t or equal to t, where t is the thickness of the matrix, thus forming a single or multilayered composite material. The material may be formed with numerous layers s1, s2, S3, . . . snn where r=SIGMAsn and r is less than or equal to t. Thus, a multi-layered material is formed. Alternatively, the aerogel/fiber matrix composite has channels devoid of aerogel.

A non-woven low surface energy filter element designed to have improved removal of a dispersed liquid phase from a continuous liquid phase is disclosed.

Compositions, methods of production and use, and kits for an osteochondral graft involving both articular cartilage and underlying bone are provided.

Personalized skin-specific topical formulations containing conditioned medium obtained from cultures of fibroblasts has been developed. Unlike other topical formulations, these formulations are specific for the recipient-skin type specific, and conditioned medium is obtained from a subject with desired skin characteristics. For example, since African American skin is known to wrinkle less and later than Caucasian skin, conditioned medium may be obtained from African American skin for application to pale skin. In another embodiment, the fibroblasts are obtained from young skin for administration to older skin. In still another embodiment, the fibroblasts are obtained from skin that does not suffer from acne or discoloration, for application to skin that is prone to acne or discoloration. Examples of skin donor selection criteria include delayed wrinkling, small pores, resistance to sunburn, resistance to acne, uniform coloration or lack of blotching or age spots and good moisture retention.

This invention relates to a porous pulp mould comprising sintered particles and a plurality of drainage channels. The pulp mould of the invention can be produced in a fast and cost effective way. The moulding surface of the invention comprises small pore openings, to evacuate fluid and prevent fibres from entering the pulp mould. Furthermore the pulp mould of the invention comprises drainage channels improving the drainage capabilities of the pulp mould. The moulding surface can be heated to at least 200° C., due to high heat conductivity of the pulp mould and its ability to withstand high temperatures.

A low-k organic dielectric material having stable nano-sized porous is provided as well as a method of fabricating the same. The porous low-k organic dielectric material is made from a composition of matter having a vitrification temperature (Tv-comp) which includes a b-staged thermosetting resin having a vitrification temperate (Tv-resin), a pore generating material, and a reactive additive. The reactive additive lowers Tv-comp below Tv-resin.

An ink cartridge (10) having an ink reservoir which delimits in a first chamber (17) a free-ink volume (16) and in a second chamber (18) a capillary volume (15), the two chambers (17, 18) being in fluidic connection with one another, and there being an ink outlet (21) associated with the chamber (18) delimiting the capillary volume (15). A bubble generator is provided in the form of a dip tube (29) which dips into the free-ink volume (16) and is connectible to the external environment and at the distal end of which there is formed at least one opening (30) for the introduction of air bubbles.

A method for preparing a polymer mould-free stereostructure foamed product from supercritical fluid, containing a supercritical fluid delivery system, a stereoscopic foaming system and a preheating system, and has the following steps: performing pressure molding on a polymer material to obtain a foaming preform, then preheating the foaming preform in the preheating system, delivering the foaming preform to the stereoscopic foaming system after a temperature rises to a preheating temperature, introducing the supercritical fluid, and decompressing after the supercritical fluid is swelled and diffused to the polymer. The polymer is swelled using high-temperature medium-pressure supercritical fluid by utilizing a one-step method in a stereoscopic foaming tank and then subjected to free mould-free stereoscopic pressure-relief foam molding, so as to obtain a polymer microcellular foamed product with controllable product shape, size precision, pore fineness and product density.

A mat is used in a method for the manufacture of glass fiber reinforced plastics or carbon fiber reinforced plastics as a layer for the absorption of excess resin expelled during the manufacturing process. The mat consists of thermally bonded plastic fibers, with at least one side of the mat having a solidified surface with a smaller pore size. Various methods are described for the manufacture of glass fiber reinforced plastics or carbon fiber reinforced plastics.

The present invention relates to the petroleum drilling field and discloses a reservoir protecting agent composition comprising a structured nanometer film reservoir protecting agent and a water block preventing agent, a drilling fluid containing the same and use thereof for drilling in low-permeability reservoirs. The reservoir protecting agent composition comprises a structured nanometer film reservoir protecting agent and a water block preventing agent, wherein the structured nanometer film reservoir protecting agent comprises montmorillonite laminas, structural units represented by formula (1) and structural units represented by formula (2),