| Patents for C07C 55 - Saturated compounds having more than one carboxyl group bound to acyclic carbon atoms (3,355) |
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| 04/18/1991 | WO1991004959A1 Process for preparing polymeric dispersants having alternating polyalkylene aud succinic groups |
| 04/16/1991 | US5008382 Cationic aqueous bituminous emulsion-aggregate slurries preparation |
| 04/13/1991 | CA2027269A1 Method of dehazing hydrocarbon fuels |
| 04/10/1991 | EP0387346A4 Novel polymeric dispersants having alternating polyalkylene and succinic groups |
| 03/19/1991 | US5001260 Tetracarboxylic acids |
| 02/06/1991 | EP0411780A2 Continuous process for the recovery of betaine |
| 02/01/1991 | WO1991001963A2 Use of sebacic acid and derivatives thereof in enteral and parenteral nutrition and pharmaceutical compositions containing said compounds |
| 01/30/1991 | EP0410728A1 Improved carboxylic acid purification and crystallization process |
| 01/23/1991 | CN1011290B Use of fluorinated telomer possesing hydrophilic groups |
| 01/19/1991 | CA2021063A1 Process for manufacturing ethanol, glycerol succinic acid, lactic acid, betaine, potassium sulfate, l-pyrogultamic acid, and free flowing distiller's dry grain and solubles or a solid fertilizer |
| 01/16/1991 | EP0408340A2 Ruthenium-optically active phoshine complex useful as catalyst |
| 01/16/1991 | EP0408338A2 Catalytic production of carboxylic acids and esters thereof |
| 01/02/1991 | EP0405707A1 Fermentation and purification process for succinic acid |
| 01/02/1991 | CN2068508U Movable sucking cover |
| 12/19/1990 | CN1047854A Process for making oxalic acid by oxidizing starch with nitric acid and nitrogen dioxide simultaneously |
| 12/05/1990 | CN1010679B Method of processing sodium oxalate formed during the digestion of bauxite |
| 11/28/1990 | CN1047204A Stable solution of rebeccamycin analog and preparation thereof |
| 11/14/1990 | EP0397147A2 Stable solutions of rebeccamycin analog and preparation thereof |
| 10/31/1990 | EP0395050A1 Process for the preparation of perfluorosuccinyl fluoride |
| 10/31/1990 | EP0395038A2 Preparation of adipic acid from lactones |
| 10/30/1990 | US4966995 Process for the preparation of chlorides of carboxylic acids |
| 10/24/1990 | CN1046323A New process for preparation of oxalic acid by oxidation |
| 10/10/1990 | CN1045967A Prepn. of hexanedioic acid from hexane-dinitrile tar |
| 10/02/1990 | US4960583 Oxide having a trivalent metal or monovalent metal or any mixture of them |
| 09/26/1990 | EP0389103A1 A process for the production and purification of succinic acid |
| 09/25/1990 | CA1274538A1 Preparation of carboxylic di-esters or acids |
| 09/19/1990 | EP0387346A1 Novel polymeric dispersants having alternating polyalkylene and succinic groups. |
| 09/18/1990 | US4957704 Method of corrosion inhibition using hydrocarbyl polycarboxylates compositions |
| 08/22/1990 | EP0383141A2 Fluorine-containing alpha,omega-bifunctional compounds and process for their production |
| 07/04/1990 | CN1043494A Nitrogen dioxide process for producing oxali acid |
| 07/03/1990 | US4939298 Isomerization of carboxylic acids |
| 06/27/1990 | EP0374687A2 Isomerization of carboxylic acids |
| 06/26/1990 | US4937320 Dimerized fatty acid having a high content of dicarboxylic acid |
| 06/05/1990 | US4931590 Preparation of adipic acid |
| 05/23/1990 | CN1008095B Preparation of chiral rhodium-diphosphine complex |
| 04/25/1990 | EP0240530B1 Particulate compositions of ferromagnetic metal oxalates in the form of submicronic needle shaped particles, preparation and application thereof |
| 04/05/1990 | WO1990003359A1 Novel polymeric dispersants having alternating polyalkylene and succinic groups |
| 04/03/1990 | US4914226 Malonic acid derivatives and methods for their synthesis |
| 03/13/1990 | US4908385 Pharmaceuticals |
| 03/13/1990 | US4908144 Dimercaptothiadiazole-derived, organic esters, amides and amine salts as multifunctional antioxidant/antiwear additives |
| 02/27/1990 | US4904389 Process for the separation of dicarboxylic acids |
| 02/14/1990 | EP0354681A2 Ultraviolet radiation absorbing naphthalenylidene compositions |
| 01/31/1990 | EP0352718A2 Partially fluorinated compounds and polymers |
| 01/02/1990 | US4891163 Method of processing nuclear fuel scraps |
| 12/26/1989 | US4889947 Sunscreen lotion |
| 12/20/1989 | CN1038091A Technology for producing oxalic acid by oxidation of glycol |
| 12/20/1989 | CN1038086A Process for oxidation of hydrocarbons utilizing partitioning of oxidizing gas |
| 12/13/1989 | CN1037892A Productive technology of oxalic acid |
| 12/05/1989 | US4885387 Production of high yields of glycolic and oxalic acids from polysaccharide-containing materials |
| 12/05/1989 | US4885282 Treatment of hyperhidrosis, ichthyosis and wrinkling |
| 11/23/1989 | EP0342849A2 Intermediates for preparing 1,4-dihydro-4-oxo-quinoline-3-carboxylic acid esters |
| 11/22/1989 | CN1037329A Method using diluted nitric acid as oxidant to produce oxalic acid |
| 11/08/1989 | EP0185080B1 Alpha-, omega-dicarboxylic acids, process for their preparation and medicines composed thereof |
| 10/31/1989 | US4877457 Cationic aqueous bituminous emulsion-aggregate slurries preparation |
| 10/31/1989 | CA1262552A1 LONG-CHAIN .alpha.,.omega.-DICARBOXYLIC ACIDS AND DERIVATIVES THEREOF AND PHARMACEUTICAL COMPOSITIONS CONTAINING THEM |
| 10/18/1989 | EP0337210A1 Process for the preparation of carboxylic-acid halides |
| 10/11/1989 | CN1036200A Process of producing oxalic acid from bagasse |
| 09/26/1989 | CA1260952A1 LONG-CHAIN .alpha., .omega.-DICARBOXYLIC ACIDS AND DERIVATIVES THEREOF AND PHARMACEUTICAL COMPOSITIONS CONTAINING THEM |
| 09/20/1989 | CN1035656A Production of oxalic acid using oxygen as oxident |
| 08/29/1989 | US4861912 Process for the preparation of a diester of adipic acid |
| 08/23/1989 | EP0329124A2 Metabolites of pentanedioic acid derivatives |
| 07/26/1989 | CN1034209A Fluorinated telomers possesing hydrophilic groups, process for prepn. thereof and use thereof as surfactants in aqueous medium |
| 07/25/1989 | US4851439 Treatment of psoriasis |
| 07/18/1989 | US4849131 Nonionic emulsifier and substituted succinic anhydride compositions therewith |
| 07/05/1989 | EP0323304A1 Composition comprising an oxide with a spinel structure, its use as a catalyst and process for obtaining it |
| 06/20/1989 | US4841067 Renin inhibitors |
| 05/10/1989 | EP0315517A1 Process for producing carboxylic-acid chlorides |
| 04/05/1989 | EP0309724A1 Improved method for the preparation of dialkyl dichlorosuccinates |
| 04/05/1989 | CN1032162A Recovery of waste liquor containing sulphuric acid in oxalic acid production |
| 04/05/1989 | CN1032161A Ammonia oxidation method for preparing oxalic acid |
| 03/22/1989 | CN1031836A Technology for recovery of oxalic acid from waste mother liquor of antibiotics |
| 03/15/1989 | CN1003591B Process for the preparation of fluorinated telomers possesing hydrophilic groups and use thereof |
| 03/07/1989 | US4810299 Seals for paving |
| 02/07/1989 | US4803291 Particulate compositions of ferromagnetic metal oxalates in the form of submicronic acicular particles, the preparation of same and application thereof |
| 02/01/1989 | CN1030747A Prepn. of commercial oxalic acid from cane molasses |
| 01/24/1989 | CA1249275A1 Process for the preparation of acid addition salts of 2-piperazinopyrimidine |
| 01/10/1989 | CA1248548A1 Fluorinated telomers with hydrophilic groups; process for preparing the same and their use as surfactants in water |
| 01/04/1989 | EP0297436A2 Treatment of hyperhidrosis and ichthyosis |
| 01/03/1989 | CA1248296A1 Inhibitors of mammalian collagenase |
| 01/03/1989 | CA1248137A1 Hydrocarboxylation of unsaturated carboxylic acids to linear dicarboxylic acids |
| 12/21/1988 | EP0295591A2 Process for separating dicarboxylic acids |
| 12/21/1988 | EP0295551A2 Method for the production of adipic acid |
| 12/13/1988 | US4791228 Process for preparing α,ω-dicarboxylic acids |
| 11/29/1988 | US4788334 Acid accelerated hydrocarboxylation |
| 11/29/1988 | US4788333 Hydrocarboxylation of unsaturated carboxylic acids to linear dicarboxylic acids |
| 11/23/1988 | CN88101605A Process for preparation of diester of adipic acid |
| 11/09/1988 | EP0289973A1 Use of a fatty oil from Helianthus annuus in the production of diperazelaic acid |
| 11/02/1988 | CN87101541A Technology for producing adipic acid, hexamethylene-diamine hydrochloride |
| 09/28/1988 | EP0284170A1 Process for the preparation of a diester of adipic acid |
| 09/28/1988 | CN88105680A Phenol diluent and its preparation |
| 08/31/1988 | EP0279978A1 Pharmaceutical compositions containing alpha-halogenated dicarboxylic acids |
| 08/23/1988 | CA1241013A1 Method and binder for the manufacture of nuclear fuel pellets, and the product |
| 07/20/1988 | EP0274887A1 Process for the recovery of succinic acid from its mixtures with other carboxylic acids |
| 07/19/1988 | US4758588 Diaminocyclohexane platinum complexes |
| 07/13/1988 | EP0274076A2 Acid accelerated hydrocarboxylation |
| 06/30/1988 | WO1988004650A1 Process for the recovery of succinic acid from its mixtures with other carboxilic acids |
| 06/15/1988 | EP0271212A2 Process for preparation of carboxylic acid ester containing fluorine |
| 06/07/1988 | CA1237722A1 2-¬4-¬(4,4,-dialkyl-2,6,-piperidinedion-1- yl)butyl|-1-piperazinyl| pyridines |
| 05/24/1988 | US4746749 Large particle size; reacting oxalic acid or salt with a silver salt |
| 04/27/1988 | CN87102067A Production of sodium oxalate by fluidized dehydrogenation and its facilities |