Colloid systems and wetting agents; subcombinations thereof; processes of inventions 11/07

20070276051 - Silica aerogels: This invention relates to silica aerogels and to a method for their preparation from rice husk. Rice husk is very rich in silica, and its ash can contain up to 92-97% of amorphous silica. The rice husk ash is prepared by burning the rice husk on a heating plate with... Agent: Bacon & Thomas, PLLC

20070276052 - Inversion of water-in-oil emulsions to oil-in-water emulsions: A method to invert a water-in-oil emulsion to an oil-in-water emulsion comprises contacting the water-in-oil emulsion with an aqueous colloidal dispersion including hydroxides of elements of Group II and Group III of The Periodic Table of Elements and mixtures thereof and then mixing the water-in-oil emulsion and aqueous colloidal dispersion... Agent: Exxonmobil Research & Engineering Company

20070276053 - Soap product with absorbent composition of matter for controlled release of an active ingredient: A soap product with an absorbent composition of matter for the controlled release of an active ingredient is disclosed. The absorbent composition of matter comprises a carrier consisting essentially of particles obtained from a woody ring and a chaff ring of a corncob having moisture content below 10%, and an... Agent: Peter J. Rashid

20070270508 - Reactive monomeric surfactants: A polymer network, comprises an interfacially polymerized reaction product derived from a surfactant monomer.... Agent: Kevin E. Mc Veigh Rhodia Inc.

20070270507 - Use of pit emulsions in enzymatic reactions: An oil in water emulsion including water, an emulsifier and an oil phase is produced by the phase inversion temperature process and has a droplet size of 50 to 400 nm is provided. A process for the enzyme-catalyzed esterification, transesterification or hydrolysis of fatty acid alkyl esters and/or triglycerides is... Agent: Cognis Corporation Patent Department

20070270509 - Nitrated extreme pressure additives and blends: This invention relates to products and processes for making extreme-pressure additives (water-dispersible and oil-based) using starting compounds based on nitro moieties derived from C2-C30 unsaturated fatty acids; C2-C30 unsaturated natural fatty oils or triglycerides; synthetic esters derived from the reaction of C1-C20 alcohols with unsaturated C2-C30 fatty acids; polyglycol esters... Agent: Buckingham, Doolittle & Burroughs, LLP

20070270510 - Reactive surfactants and their use in emulsions and dispersions: i

20070265357 - Systems for preparing fine articles and other substances: This invention relates to controlled preparation of fine particles such as nano-crystalline films and powders with at least one solvent being in a supercritical state. It provides methods, measures, apparatus and products produced by the methods. In other aspects, the invention relates to further treatment of formed particles such as... Agent: Knobbe Martens Olson & Bear LLP

20070265358 - Anionic copolymers prepared in an inverse emulsion matrix and their use in preparing cellulosic fiber compositions: A papermaking method and a composition which utilize, as a drainage aid, a water-soluble anionic copolymer prepared via a water-in-oil polymerization technique that, absent a cross-linking agent, is characterized by a Huggins' constant (k′) determined in 0.01M NaCl greater than 0.75 and a storage modulus (G′) for a 1.5 wt.... Agent: Joanne Mary Fobare Rossi Hercules Incorporated

20070259970 - Method for dispersing and passivating particulate powders in water and aqueous media: The invention relates to a method for dispersing and passivating particulate powders in water and aqueous media. It is particularly advantageously applicable in the handling and processing of non-oxidic powders, e.g., in the ceramic and hard-metal industry. In the method claimed auxiliaries are added due to the process. According to... Agent: Greenblum & Bernstein, P.L.C

20070259971 - Method for obtaining micro- and nano- disperse systems: The invention relates to a method for obtaining micro- and nanodisperse systems. In particular, it relates to a method that allows said systems, such as liposomes, emulsions and suspensions, to be obtained with a size of less than 50 μm, and preferably less than 1 μm, and with improved stability... Agent: Wolf, Block, Shorr And Solis-cohen LLP

20070254964 - Ultrapure colloidal silica for use in chemical mechanical polishing applications: An ultrapure colloidal silica dispersion comprising colloidal silica particles having a mean or aggregate particle size from about 10 to about 200 nm, wherein the colloidal silica dispersion has less than 200 ppb of each trace metal impurity disposed therein, excluding potassium and sodium, and have less than 2 ppm... Agent: Paul D. Greeley Ohlandt, Greeley, Ruggiero & Perle, L.L.P.