专利号:US-6800783-B2 优先权日:2000-03-04 标题:Method for the synthesis of aliphatic carboxylic acids from aldehydes 发明人:SPRINGER HELMUT; LAPPE PETER 权利人:CELANESE CHEM EUROPE GMBH 摘要:The invention relates to a method for the synthesis of aliphatic carboxylic acids by the catalytic oxidation of aldehydes with oxygen, or oxygen-containing gas mixtures. Metals of groups 5 11 of the periodic table of elements, or the compounds thereof are used as catalyst, in amounts of up to 5 ppm, based upon the amount of aldehyde used.
专利号:US-2024082118-A1 优先权日:2021-05-19 标 题:Topical compositions and methods of preparing the same 发明人:ABRAMOVICH SAGI; AVIDOR GAL; LANDA BENZION 权利人:LANDA LABS 2012 LTD 摘要:There is disclosed a composition comprising a water-insoluble thermoplastic compound capable of stimulating collagen synthesis (CSSC), the CSSC having a molecular weight of more than 0.6 kDa and being dispersed in a polar carrier as nano-elements having an average diameter of 200 nm or less and a viscosity of 107 mPa·s or less. The nano-elements of CSSC can be capable of stimulating the synthesis of skin proteins and/or enabling the delivery of active agents upon their application to a surface to be treated therewith. Methods for preparing the compositions and uses thereof are also provided.
专利号:US-5849950-A 优先权日:1995-05-29 标题:Preparation of glycine-N,N-diacetic acid derivatives 发明人:GREINDL THOMAS; OFTRING ALFRED; BRAUN GEROLD; WILD JOCHEN; POTTHOFF-KARL BIRGIT; SCHUH GEORG 权利人:BASF AG 摘要:Glycine-N,N-diacetic acid derivatives I ##STR1## where R is unsubstituted or substituted alkyl, alkenyl, alkoxylate groups, phenylalkyl, phenyl, a heterocyclic ring or a radical of the formula ##STR2## where A is an alkylene bridge or a chemical bond, and M is hydrogen, alkali metal, alkaline earth metal, ammonium or substituted ammonium in the appropriate stoichiometric amounts, n are prepared by reacting n A) corresponding 2-substituted glycines or 2-substituted glycinonitriles or doubled glycines of the formula ##STR3## or doubled glycinonitriles of the formula ##STR4## or precursors of the glycine derivatives named as starting material with formaldehyde and hydrogen cyanide in aqueous medium at a pH of from 0 to 11 or n B) iminodiacetonitrile or iminodiacetic acid with appropriate monoaldehydes of the formula R--CHO or dialdehydes of the formula OHC--A--CHO and hydrogen cyanide in aqueous medium at a pH of from 0 to 11 n and, where appropriate, subsequent hydrolysis of nitrile functionalities which are present, where the starting material used comprises unpurified raw material derived from the industrial synthesis of glycine derivatives or their precursors or of iminodiacetonitrile or iminodiacetic acid, or mother liquors produced in such syntheses.
专利号:US-5783676-C1 优先权日:1996-03-29 标题:Synthesis of solid powdery rare earth carboxylates by a precipitation method 发明人:YUNLU KENAN 权利人:RHODIA RARE EARTHS INC 摘要:The invention relates to the production of solid, powdery carboxylates of Rare Earth elements, particularly Nd, La, Pr, and Ce, where the ligands coordinated to the metal are preferably long chain, branched carboxylic acids, most preferably 2-ethylhexanoic, neodecanoic (versatic) and naphthenic acids. The process involves batch precipitation of the product by utilizing Rare Earth water soluble salts, preferably Rare Earth nitrates, and salts of the carboxylic acid and washing the product with water, alcohol, water and alcohol mixtures or combinations thereof.
专利号:WO-2008028772-A1 优先权日:2006-09-06 标 题:Bioquinones for stimulating keratin synthesis 发明人:GIESEN MELANIE; SCHULZE ZUR WIESCHE ERIK; POPPE ELISABETH; WELSS THOMAS 权利人:HENKEL KGAA; GIESEN MELANIE; SCHULZE ZUR WIESCHE ERIK; POPPE ELISABETH; WELSS THOMAS 摘要:The present invention relates to the cosmetic use of one or more bioquinones for combating age-related changes in the hair follicles, for the promotion of keratin synthesis in the hair, and for positively influencing the structure of the hair. The invention further relates to a cosmetic method for combating age-related changes in the hair follicle, and to a method for stimulating keratin synthesis in hair.
专利号:US-4963660-A 优先权日:1987-09-02 标 题 :Process for the reduction of heavy metal ions in excess from aqueous synthesis solutions of water soluble heavy metal complex dyestuffs 发明人:MROTZECK UWE; MISCHKE PETER; SCHWAIGER GUENTHER; RUSS WERNER; SITTIG MANFRED 权利人:HOECHST AG 摘要:Free radical heavy metal ions in water-soluble heavy metal complex dyestuffs are removed from the synthesis solution of the heavy metal complex dyestuff by means of a compound or several of the compounds mentioned below: (a) saturated and unsaturated fatty acids having about 8 to 18 carbon atoms and water-soluble salts thereof; (b) the monoesters and diesters of orthophosphoric acid and salts thereof corresponding to the general formula (1a) and (1b) in which R denotes a saturated or unsaturated aliphatic radical having about 8 to 18 carbon atoms and M stands for a hydrogen atom or a salt-forming, water-solubilizing metal; (c) aliphatic sulfonic acids and water-soluble salts thereof corresponding to the general formula (2) R-SO3M (2) in which R and M have the abovementioned meanings; (d) aliphatic phosphonic acids and monoesters thereof and also water-soluble salts thereof corresponding to the general formulae (3a) and (3b) in which R and M have the abovementioned meanings; (e) malonic acid and water-soluble salts thereof; (f) trimercapto-s-triazine, 2-aminobenzoic acid, 8-hydroxyquinoline and water-soluble salts of these compounds; (g) water-soluble sulfides, in particular alkali metal sulfides; (h) functionalized water-insoluble polymers which react with metal ions by the ion-exchanger principle or form metal chelate complexes. Using these compounds, the excess heavy metal ions are precipitated out of the synthesis solution or separated off, without the heavy metal ions bound as a complex in the dye being attached.