Patents
Patents for C07C 53 - Saturated compounds having only one carboxyl group bound to an acyclic carbon atom or hydrogen (9,125)
04/1997
04/01/1997US5616720 Treating 1,6-diphenyl- or dihetero-substituted 2,5-diaminohexanol/3-/ with tetraalkoxytitanium, then amidation of reaction product and acylation yield stable viricides
04/01/1997US5616714 Retroviral protease inhibiting compounds
04/01/1997CA1339034C Platinum complexes of single isomer neoalkyl acids
03/1997
03/25/1997US5614556 L-carnitine salt and cosmetic and pharmaceutical compositions containing same for treating dermatoses
03/20/1997WO1997010198A1 Removal of carbonyl impurities from a carbonylation process stream
03/19/1997EP0763533A1 Preparation and use of the pure enantiomers of 8-chloro-6-sulfonyloxy-octanoic acid and its alkyl esters and of the pure enantiomers of 6,8-dichloro-octanoic acid and its alkyl esters
03/19/1997EP0763008A1 Process for the removal of iodine from carboxyl products
03/19/1997CN1145358A Process for recovery of organic acid from manufacture of cellulose ester
03/19/1997CN1145332A Compound based on yttrium or holmium which is redispersible in form of sol
03/18/1997CA2131094C Acetic acid recovery
03/18/1997CA2092901C Acetone removal process
03/18/1997CA2001344C Process for the treatment of quaternary onium salts and its application to the preparation of hexafluoropropylene oxide
03/13/1997WO1997009294A1 Carboxylic acid derivatives, their preparation and their use
03/13/1997DE19533025A1 Neue Carbonsäurederivate, ihre Herstellung und Verwendung New carboxylic acid derivatives, their preparation and use
03/13/1997CA2228002A1 Novel carboxylic acid derivatives, their preparation and use
03/06/1997WO1997008125A1 Process for producing carboxylic acids by the carbonylisation of olefines
03/04/1997US5608072 Retroviral protease inhibiting compounds
02/1997
02/26/1997EP0759421A1 Process for the purification of a C2 to C4 carboxylic acid and/or anhydride having impurities
02/26/1997EP0759420A1 Process for preparing carboxylic acids by carbonylation of olefins
02/26/1997EP0759419A1 Process for the carbonylation of an alcohol and/or a reactive derivative thereof
02/26/1997EP0759026A1 Amide derivatives and their therapeutic use
02/26/1997CN1143633A Process for coproducing methyl dichloroacetate and mercaptoacetic acid
02/25/1997US5605929 Methods and compositions for inhibiting 5α-reductase activity
02/25/1997US5605669 Reacting cesium aluminum alum with calcium hydroxide and a calcium salt
02/19/1997CN1034071C Process for purification of carboxylic acid and/or their anhydrides
02/06/1997WO1997004021A1 Optical clarity stabilizing fatty alkyl diethanolamines
02/05/1997EP0621861B1 A method of preparing carboxylic acids or esters thereof by the oxidative cleavage of unsaturated fatty acids or esters thereof
02/05/1997CN1142202A Process for producing an iridium solution and use of same as catalyst
02/05/1997CN1141910A Process for production of acetic acid through carbonylation
02/04/1997US5599976 Reacting methanol, methyl acetate or dimethyl ether in the presence of a group 8 metal catalyst, methyl iodide and water; separation; purification; recycling methyl acetate
01/1997
01/29/1997EP0755913A1 Process for preparing of 2,4-dibromo-4- and -3-fluorobutanoic acid as well as their derivatives
01/29/1997CN1141595A Gas-contg. microparticles, agent contg. them, their use in medical diagnosis by ultrasonic tech. and method of producing said particles and agent
01/29/1997CA2182074A1 Process for the preparation of 2,4-dibromo-4- and -3-fluorobutanecarboxylic acid and its derivatives
01/28/1997US5597928 Retroviral protease inhibiting compounds
01/28/1997US5597927 Retroviral protease inhibiting compounds
01/28/1997US5597926 Retroviral protease inhibiting compounds
01/21/1997US5596114 Enantioselective hydrogenation catalysts
01/16/1997WO1997001525A1 Process for separating pivalic acid from spent reaction mixtures
01/16/1997CA2224806A1 Process for separating pivalic acid from spent reaction mixtures
01/15/1997CN1033802C Removal of halide impurities from organic liquids
01/09/1997WO1997000847A1 Difluorochloracetyl, dichloracetyl and trichloracetyl chloride preparation
01/09/1997WO1997000846A1 Nitric acid hydrolysis of polyamides
01/08/1997EP0752406A1 Process for the production of acetic acid by carbonylation
01/08/1997EP0751927A1 Synthesis of compounds with predetermined chirality
01/07/1997US5591877 Hydrolyzing fluorinated carboxylic ester in aqueous ammonia to form salt; ammoniation
01/07/1997US5591860 Retroviral protease inhibiting compounds
01/03/1997WO1996037201A3 METHODS AND COMPOSITIONS FOR INHIBITING 5α-REDUCTASE ACTIVITY
01/02/1997EP0750942A2 Particulate catalyst for use in a fluidized bed
01/01/1997CN1139150A Polyol ester-based lubricant and process for production thereof
01/01/1997CN1139097A Process for carbonylation of alkyl alcohols and/or reactive derivatives thereof
01/01/1997CN1139018A Method for recovering carbon monoxide from exhaust containing at least carbon monoxide, nitrogen and hydrogen of acetic acid synthesizer
01/01/1997CN1033698C Process for production of carboxylic cid anhydrides
12/1996
12/27/1996EP0749953A1 Preparation of chiral alpha-halocarboxylic acids
12/27/1996EP0749949A1 Process for the carbonylation of alkyl alcohols
12/27/1996EP0749948A1 Process for the carbonylation of alkyl alcohols and/or reactive derivatives thereof
12/25/1996CN1138569A Process for preparation of 3-chloropropionic acid
12/25/1996CN1033635C Process for the purification of gaseous hydrochloric acid
12/19/1996WO1996040618A2 Concentrated aqueous lysine propionate solution and method of preparation thereof
12/19/1996WO1996040104A1 Hydroxyl ions as unique therapeutic agents and compounds that modulate ions, compounds
12/18/1996EP0748787A1 Process for the continuous preparation of monocarboxylic acids
12/18/1996EP0748326A1 Optically active diphosphines and method for preparing same by resolution of the racemic mixture
12/18/1996CN1033578C Continuous process for preparation of acetic antydride or mixtures of acetic anhydride and acetic acid
12/17/1996US5585391 N,n-disubstituted aminoacetic salt
12/17/1996CA1338802C Production of formate salts of nitrogenous bases
12/11/1996CN1137514A Recovery of highly flouorinated carboxylic acids from gas phase
12/11/1996CN1137508A Reagent and process which are useful for grafting substituted difluoromethyl group onto compound containing at least one electrophilic function
12/10/1996US5583233 Retroviral protease inhibiting compounds
12/10/1996US5583232 Treating human immunodeficiency virus infections
12/05/1996WO1996038051A1 Fowl eggs with high content of highly unsaturated fatty acids, process for producing the same, and use thereof
12/04/1996EP0744961A1 Gas-containing microparticles, agents containing them, their use in medical diagnosis by ultrasonic techniques and methods of producing said particles and agents
12/04/1996CN1033450C Process for producing high-purity chloric acid
12/03/1996US5580984 Retroviral protease inhibiting compounds
12/03/1996CA2158634C Process and catalyst for the dehalogenation of carboxylic alpha-halogenated acids
12/03/1996CA2014043C Process and catalyst for dehalogenation of alphahalogen carboxylic acids
11/1996
11/28/1996WO1996037201A2 METHODS AND COMPOSITIONS FOR INHIBITING 5α-REDUCTASE ACTIVITY
11/28/1996CA2221236A1 Methods and compositions for inhibiting 5.alpha.-reductase activity
11/27/1996EP0744379A1 Redispersible yttrium or holmium based sol composition
11/27/1996EP0743935A1 Process for making carboxylic acids
11/27/1996CN1033386C Method for producing acetic acid by carbonylation
11/25/1996CA2177222A1 Yttrium or holmium hydroxide compound redispersable as a sol
11/20/1996EP0743322A2 Process for the recovery of an organic acid from the manufacture of a cellulose ester
11/20/1996EP0742787A1 A process for preparing 3-methyl-2-pentene
11/20/1996CN1136306A Method of preparing a caesium and ribidium salt solution
11/20/1996CN1136033A Process for recovery of carbonylation product
11/19/1996US5576458 Alcohol reacted with carbon monoxide using a rhodium catalyst
11/17/1996CA2174922A1 Process for the recovery of an organic acid from the manufacture of a cellulose ester
11/14/1996WO1996035657A1 Method for manufacture of products containing disalts of formic acid
11/14/1996DE19508247C1 Cooling lubricant used in wire drawing
11/13/1996CN1033270C Process for purifying acetic acid and/or acetic anhydride
11/12/1996US5574050 Hydroxyl ions as unique therapeutic agents and processes for preparing them
11/12/1996US5573996 Erasable for reuse, fatty acid or ketone and a thiodicarboxylic acid, crosslinked resin matrix
11/06/1996CN1135179A Hydroxyl ions as unique therapeutic agent and compounds that modulate these ions, compositions employing these agents, therapeutic method
10/1996
10/30/1996CN1033161C Improvement of carbonylation process
10/29/1996US5569782 Process for preparing polyfluorochlorocarbonyl chlorides and perfluorocarbonyl chlorides with addition of chlorine
10/29/1996US5569680 Administering to inhibit the production of interleukin-8 in intestinal epithelial cells
10/29/1996CA2105063C Process for removing acetone from carbonylation processes
10/23/1996CN1134153A Matrix metalloprotease inhibitors
10/23/1996CN1133833A Method and apparatus for recovering carboxylic acids from aqueous solutions
10/16/1996EP0737509A1 Crystallized beads of a product which can be supercooled and process to prepare them
10/16/1996EP0737103A1 Process for producing an iridium solution and use of same as catalyst.
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