Patents for C12P 13 - Preparation of nitrogen-containing organic compounds (13,813)
10/1989
10/31/1989US4877734 Culturing two brevibacterium species; enzymatic conversions
10/25/1989EP0338790A2 Production of homoserine and its derivatives such as threonine derivatives and methionine precursors
10/25/1989EP0338474A2 Process for producing L-tryptophan
10/25/1989EP0338407A1 New alkylphosphonoserines, methods for preparing them, and pharmaceutical substances containing them
10/17/1989US4874698 Process for producing tryptophan
10/11/1989EP0336452A1 Process for preparing L-phenylalanine
10/11/1989EP0336387A2 Process for producing L-arginine
10/05/1989WO1989009278A1 Method of degrading keratinaceous material and bacteria useful therefor
09/1989
09/27/1989EP0334391A1 Process for preparing L-isoleucine
09/27/1989EP0334358A2 Novel D-amidase and process for producing D-alpha-alanine and/or L-alpha-alanineamide
09/27/1989EP0333877A1 Process for preparing purified aqueous indole solution
09/26/1989US4870159 Leucine-specific regulatory locus
09/19/1989EP0232262A4 Tryptophan producing microorganism.
09/13/1989EP0332488A1 Method for the integration of a chosen gene into a bacterial chromosome, and bacterium obtained by said method
09/13/1989EP0332379A2 Production process of L-alpha-amino acids
09/13/1989EP0332234A1 Process for preparing L-tyrosine
09/13/1989EP0332233A1 Process for preparing L-arginine
09/12/1989US4865771 Process for preparing L(-)-carnitine chloride from 3,4-epoxybutyric esters and novel intermediate compounds
09/06/1989EP0331145A2 Process for producing amino acids
09/06/1989EP0330773A1 Proteins, expression vehicles comprising DNA encoding such proteins and cells comprising such expression vehicles
09/06/1989EP0330695A1 Process for preparation of organic chemicals
09/06/1989EP0232486B1 Process for reprocessing the solution which is left after the removal of the enzymes upon the enzymatic racematic splitting of an n-acetyl-dl-amino acid in the presence of an l-amino acid acylase
09/06/1989CN1035320A Acylamino acid racemase and its use
08/1989
08/29/1989US4861796 Gentisic acid derivatives having antibiotic activity
08/29/1989US4861760 Ophthalmological composition of the type which undergoes liquid-gel phase transition
08/29/1989US4861722 Coryneform bacteria carrying recombinant plasmids and their use in the fermentative production of L-lysine
08/24/1989WO1989007651A2 Methods for controlling norleucine content in polypeptides
08/22/1989US4859784 Process for the production of optically active cyanohydrins
08/22/1989US4859602 Enzymatic resolution using penicillin amidase
08/22/1989US4859593 New physiologically active substance, arphamenine and production thereof
08/22/1989US4859591 Transamination process for producing amino acids
08/16/1989EP0327945A2 Process for producing L-lysine
08/09/1989EP0327156A1 Process for the preparation of sulphur-containing L-alpha-amino acids
08/09/1989CN1034580A Preparation method of antiparasitic new antibiotic and its salts
08/08/1989US4855233 Process for carrying out enzymatic reactions in an organic solvent
08/08/1989CA1258244A1 PROCESS FOR THE PREPARATION OF L-.alpha.-AMINO ACID AND D- .alpha.-AMINO ACID AMIDE
08/02/1989EP0326063A2 Process for the preparation of optically active cyanhydrins
07/1989
07/26/1989EP0325534A1 Process for the synthesis of glyceryl mono nitrates by bioconversion of nitroglycerol
07/26/1989CN1034223A Process of preparing composite amino acid by enzyme hydrolysis method
07/25/1989US4851342 Hydration of acrylonitrile by nitrilase in sodium sulfate or potassium sulfate containing medium
07/18/1989US4849345 L-phenylalanine dehydrogenase and use thereof
07/11/1989US4847412 Process for racemizing an optically active N-benzylidene amino-acid amide
07/05/1989EP0323068A2 Enzymatic carbon-carbon bond formation
07/05/1989EP0322973A2 Method of preparing optically active cyanohydrin derivatives and their conversion products, and optically active compounds to be obtained in this manner
07/05/1989EP0322571A1 Method for manufacturing 2-amino-2-deoxy-D-mannitol
07/05/1989EP0322448A1 A method for the preparation of "natural" methyl anthranilate
07/04/1989US4844809 Method for purifying reaction solution obtained by using microbial cell, immobilized microbial cell, or immobilized enzyme
06/1989
06/28/1989EP0321849A2 Method for the enzymatic hydrolysis of alpha-aminoadipinyl monoamino compounds
06/14/1989EP0320460A2 Process for isolating the enzyme carnitinehydrolyase from strains belonging to the family enterobacteriaceae and use of the immobilized enzyme for producing L(-)-carnitine
06/14/1989CN1033394A Process for amino deoxy mannitol
06/13/1989US4839419 Adsorption from aqueous solution onto macroporous support; soluble coupler is crosslinking agent
06/13/1989US4839286 Producing phenylalanine from host bacteria with expression vector
06/07/1989EP0319471A2 Resolution process
06/07/1989EP0319344A2 Method of producing carnitine
06/07/1989EP0319123A2 Process for producing unsaturated fatty acid or unsaturated hydrocarbon
06/07/1989EP0318849A2 Manumycin derivatives, process for their preparation and their use
06/07/1989EP0318663A1 Pendelulum vector pZ1, recombinant plasmid containing an aspartase gene, its use for the production of amino acids of the aspartate family from a nutrition medium containing fumarat, and microorganisms containing the same
05/1989
05/18/1989WO1989004314A1 Anti-viral compounds and compositions containing them
05/17/1989EP0316117A1 Antiviral compounds, compositions containing such compounds and methods of treatment
05/17/1989EP0315949A2 A method for microbiological reaction
05/17/1989EP0315786A1 Process for the preparation of a d-alfa-amino acid from the corresponding alfa-keto acid
05/02/1989US4827052 Intermediates for quick response liquid crystals
05/02/1989US4827036 Glucosidase inhibitors
05/02/1989US4827029 Ion exchanging
05/02/1989US4827013 (S) α-(cyano-3-phenoxy-benzyl acetate
05/02/1989US4826766 Transamination, decarboxylation, ketoacids to amino acids
04/1989
04/26/1989EP0313446A2 Water soluble L-tyrosine derivatives and process for their preparation
04/26/1989CN1004008B Method for quickly and conveniently isolating and screeing of the l-dopa-producing bacterial strain
04/20/1989WO1989003428A1 Process for producing l-tryptophane
04/19/1989EP0312423A2 Antiparasitic agents, processes for their production, and antiparasitic compositions, especially antimalerials containing these agents
04/19/1989EP0312089A2 Method for producing L-threonine
04/19/1989CN1032436A Process for biological production of amides
04/12/1989EP0310949A2 Process for producing D-alanine
04/12/1989EP0310948A2 Process for the preparation of optically pure phenyl ring-substituted phenyl alamine derivatives
04/11/1989US4820825 Method for purifying tryptophan
04/06/1989WO1989002923A1 Process for preparing purified aqueous indole solution
04/06/1989WO1989002736A1 Siderophores as antiparasitic agents
04/05/1989EP0310034A2 Process for production of L-phenylalanine lower alkyl esters
04/05/1989EP0310012A2 Process for the preparation of optically pure homophenyl alanine
03/1989
03/29/1989EP0309310A1 Enzymatic system, process for its preparation and its use, especially in the preparation of D-para-hydroxyphenyl glycine
03/22/1989EP0308067A2 Alpha-amidating enzyme compositions and processes for their production and use
03/22/1989EP0307926A2 Process for biological production of amides
03/15/1989EP0307390A2 Chemical compound consisting of cis-3-hydroxyproline for therapeutic treatment, and process for its preparation
03/15/1989EP0307023A1 Process for preparation of organic chemicals
03/14/1989US4812403 Optically active substituted butyramide, and process for the optical separation of substituted butyramide
03/09/1989WO1988009819A3 C. glutamicum threonine biosynthetic pathway
03/08/1989CN1031527A New process of glutamic acid recovery from isoelectric point crystallizing mother liquor
03/07/1989US4810692 Cyclodeposipeptides
03/01/1989CN1031397A Process for the preparation of esters of 4-(2.3-epoxypropoxy) phenylacetic acid and 4-(2-hydroxy-3-isopropylamino-propoxy) phenylacetic acid and/or atenolol in stereospecific form
02/1989
02/23/1989WO1989001525A1 Process for preparation of organic chemicals
02/22/1989EP0304021A2 Acylamino acid racemase, Production and use thereof
02/07/1989US4803224 Antiviral antibiotic complex
02/01/1989EP0301744A2 Antifungal fermentation products and compositions thereof
02/01/1989EP0301572A2 Process for producing l-threonine by fermentation
02/01/1989EP0301391A1 Process for the enzymatic production of L-2-amino-4-methyl-phosphinobutyric acid
02/01/1989EP0301107A1 Process for preparing d-alanine
01/1989
01/25/1989EP0300287A2 Process for the reduction of ketones
01/24/1989US4800162 Enzyme-activated membrane
01/18/1989EP0299715A2 Process for preparing L-tryptophan
01/18/1989EP0299028A1 Process for producing l-aminoacids.