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8,758,450 B2; L'Oreal, Paris has patented a method for the lightening and/or lightening dyeing of keratin materials, comprising treating said keratin fibers with: at least one direct emulsion (A) comprising at least one fatty substance free of carboxylic acid groups, at least one surfactant, water and at least one oxidizing agent; and at least one direct emulsion (B) comprising at least one fatty substance free of carboxylic acid groups, at least one surfactant, water and at least one alkaline agent.
BASF has obtained a patent for a n aqueous coating formulation comprised of a substituted, branched polyethyleneimine, which is obtained by a process comprised of reacting a branched polyethyleneimine having a weight-average molecular weight of from 500 to 10,000 g/mol with a carboxylic acid derivative of formula (I) R--(C=0)X (I), wherein R is a C5 to C18 alkyl group or a C5 to C18 alkenyl group, X is a halogen, a hydroxyl group, or a group R--(C=0)--O--, a molar amount of the carboxylic acid derivative in the reacting is from 3 to 10 mol percent of a molar amount of ethyleneimine employed in preparing the branched polyethyleneimine, the reacting is comprised of formation and removal of a byproduct HX, and the formulation is configured to coat a substrate that is comprised of tannin.
A particulate superabsorbent polymer composition comprising a superabsor-bent polymer comprising: a) at least one monomer selected from an ethylenically unsaturated carboxylic acid; ethylenically unsaturated carboxylic acid anhydride; salts or derivatives thereof based on the super-absorbent polymer; b) from about 0.
Previous work has identified that those compounds containing a carboxylic acid group (-COOH, e.
These data indicate that quinones had non-enzymatically oxidized alcohols to aldehydes, carboxylic acids and ketones.
It has been reported earlier that this leads to the formation of carboxylic acid groups on the surface, thus making it more hydrophilie.
Key statement: A tire component including a tire tread that comprises a vulcanized rubber, a rubber filler and a modified rubber, where the modified rubber i) contains pendent or functional groups that contain carboxylic acid or anhydride groups, ii) has pendently grafted thereto a polymerized metal salt of an unsaturated carboxylic acid, or iii) contains both i and ii.
He includes special cases such as ionic liquids and the formation of chiral aggregates from achiral building blocks and experimental strategies and reagents researchers can use as he describes aryl-containing carboxylic acids and other carboxylic acid-based reagents; hydroxyl- and thiol-containing reagents; amine-based reagents; organic-based chiral derivatizing and solvating agents; reagents incorporating phosphorus, selenium, boron and silicone atoms; host compounds as chiral NMR discriminating agents; chiral discrimination with metal-based reagents; and chiral NMR discrimination with highly ordered systems.