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33results about How to "Highly efficient manner" patented technology

Recyclable metathesis catalysts

Highly active, recoverable and recyclable transition metal-based metathesis catalysts and their organometallic complexes including dendrimeric complexes are disclosed, including a Ru complex bearing a 1,3-dimesityl-4,5-dihydroimidazol-2-ylidene and styrenyl ether ligand. The heterocyclic ligand significantly enhances the catalytic activity, and the styrenyl ether allows for the easy recovery of the Ru complex. Derivatized catalysts capable of being immobilized on substrate surfaces are also disclosed. The present catalysts can be used to catalyze ring-closing metathesis (RCM), ring-opening (ROM) and cross metatheses (CM) reactions, and promote the efficient formation of various trisubstituted olefins at ambient temperature in high yield.
Owner:BOSTON COLLEGE

Manufacturing method for multistage adhesive applying and multicolor flocking, and apparatus specifically designed therefor

A manufacturing method for multistage adhesive applying and color separation flocking, and a device specifically used therefor are disclosed. The manufacturing method comprises: (1) dividing multistage adhesive applying and flocking zones according to several blocks in different colors of a product; (2) drying and air cooling after each register adhesive applying and color separation flocking process, to form a manufacturing unit for completing one color flocking; (3) arranging successively several sets of manufacturing units according to the number of blocks in different colors; (4) starting from the first color, register adhesive applying, color separation flocking, drying and air cooling successively within respective positions of each manufacturing unit on the base cloth to be printed; (5) performing only register adhesive applying in the manufacturing unit for the last color, while performing flocking, drying and air cooling by a conventional flocking production line to cooperate therewith. The device specifically used comprises a driving mechanism for base cloth to be printed, characterized in that several sets of multistage adhesive applying, flocking, drying and air cooling apparatuses are successively arranged thereon.
Owner:XIE KAIXING

Device and method for water priming microporous-carbon water filters using negative pressure

A method and system for water-priming carbon micropore filter media using negative pressure. The method includes placing dry filter elements in a polymer bag, applying a vacuum of no more than approximately 33 kPa above zero pressure, and heat-sealing the bag using a heat-set bar; submerging, by a consumer, the vacuum-sealed bag with its the filter elements in water; the filters in the vacuum sealed bag are at least partially submerged, puncturing the bag to form one or more small openings in the bag below the water line. Breeching the vacuum causes the water to flow through the openings into the bag and the filter(s) to equalize the pressure between the water and the previously vacuum environment of the plastic bag, causing the surrounding water to quickly flow into the micro-pores of the filter media, thereby priming the carbon filter for use in the gravity-fed water-purification system.
Owner:PURE BERKEY L L C
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