Patents for C12P 13 - Preparation of nitrogen-containing organic compounds (13,813)
08/1990
08/14/1990US4948534 Derivatives of β-amino-γ-trimethylammonio-butyrate and their production and use
08/08/1990CN1044498A Process for producing l-threonine by fermentation
08/07/1990US4946781 Recombinant DNA, bacteria carrying said recombinant DNA and a process for producing L-threonine or L-isoleucine using said bacteria
08/07/1990US4946779 Hyperglycemic agents
08/01/1990EP0379903A2 Process for producing L-amino acids by fermentation
07/1990
07/31/1990US4945058 Plasmid with wide host range and process of producing L. threonine using the same
07/26/1990DE3941922A1 Biosynthese von cystein Biosynthesis of cysteine
07/25/1990EP0378592A1 Process for producing l-amino acids and amino acid amides.
07/19/1990DE3943176A1 Culturing Pseudomonas bacteria with high nitrile hydratase prodn. - by aerobic cultivation under shearing conditions with addn. of water soluble copper salt
07/18/1990EP0378223A1 Process for producing L-arginine by fermentation
07/11/1990EP0377083A1 Process to produce L-alpha-amino acids
07/05/1990DE3942982A1 L-aminoacid prodn. by microbial decomposition of 5-substd. hydantoin - using cells treated with non-degradable 3-substd. substrate analogue as enzyme inducer
07/03/1990US4939241 Amino acid derivatives of antitumor activity
06/1990
06/27/1990EP0374651A1 Process for the preparation of L-phosphinothricine
06/21/1990DE3842174A1 Gene and gene structure coding for an aminotransferase, and microorganisms which express this gene
06/20/1990EP0373597A2 Gene and gene structure coding for an aminotransferase, and microorganisms expressing this gene
06/19/1990CA2005809A1 Cysteine biosynthesis
06/06/1990EP0371509A2 Antibiotics and process for producing them
06/05/1990US4931391 Stabilizing solutions with nitriles, amides, carboxylic acids or salts
06/05/1990CA1269941A1 Process for preparing l-carnitine
05/1990
05/29/1990US4929552 Chemical and enzymatic process for the denitration of diethyleneglycol dinitrate, nitroglycerin and other nitrate esters
05/23/1990EP0369029A1 Method of obtaining l-alanine
05/22/1990US4927758 Culturing, transforming corynebacterium or brevibacterium with recombinant dna
05/22/1990US4927507 Antibiotic intermediate
05/16/1990EP0368284A2 Process for producing L-threonine
05/09/1990EP0367145A2 New process for the production of L-2-amino-4(hydroxymethyl-phospinyl)-butyric acid
05/08/1990US4923975 Valiolamine derivatives and production thereof
05/03/1990WO1990004636A1 Strain of bacteria escherichia coli, producer of l-threonine
05/03/1990WO1990004631A1 Process for making phenyl acetyl carbinol (pac), microorganisms for use in the process, and a method for preparing the microorganisms
05/02/1990CN1041782A Method for cultivation of bacteria
05/02/1990CN1041696A Oral liquid of donkey-hide gelatin and preparation thereof
04/1990
04/27/1990CA2001647A1 Process for the production of l-2-amino-4-(hydroxymethylphosphinyl)-butyric acid
04/21/1990CA2000720A1 Process for producing l-phenyl acetyl carbinol (pac), microorganisms for use in the process, and a method of preparing the microorganisms
04/18/1990CN1041756A One-pass centrifugal separating technology and apparatus for recovering glutamic acid from waste liquid of sodium glutamate
04/17/1990US4918196 Heating in presence of strong base, solvent or solvent-free
04/17/1990US4918012 Method for producing carnitine, L-carnitinamide hydrolase and method for producing same
04/11/1990EP0362829A2 Method for cultivation of bacteria
04/10/1990US4916074 Process for producing optically active compounds
04/10/1990CA1267652A1 Process for purifying tryptophan
03/1990
03/22/1990WO1990002727A1 Immunosuppressant
03/21/1990EP0358940A1 DNA fragment coding for phosphoenolpyruvat corboxylase, recombinant DNA carrying said fragment, strains carrying the recombinant DNA and method for producing L-aminino acids using said strains
03/20/1990US4909916 Electrodialysis
03/14/1990EP0358428A2 Process for producing optically active compounds
03/14/1990EP0357638A1 Regulation of amino acid synthesis using leu3
03/13/1990US4908313 Process for producing amides by use of microoganisms
03/13/1990US4908312 Process for producing phenylananine
03/08/1990WO1990002192A1 Method of catalyzing stereochemical reactions
03/07/1990EP0357029A2 Method for the production of (-) 2-difluoromethyl-ornithine
03/07/1990EP0357009A2 Method of resolution of hydroxy-cyclopentenones using a lipase and transacylation agents
03/07/1990EP0356739A1 Recombinant DNA, microorganism carrying said recombinant DNA, and process for producing L-amino acids by the use of said microorganism
03/06/1990US4906568 Process for isolation of carnitinehydrolyase and an effector from enterobacteriaceae and use thereof to prepare carnitine
02/1990
02/28/1990EP0355868A2 Biocatalytic process for preparing phenolic resins
02/27/1990CA1266248A1 Method and apparatus for resolution of stereoisomers in multiphase and extractive membrane reactors
02/22/1990WO1990001553A1 Tryptophan production
02/21/1990CN1039844A Method of extracting amino acid composition liquid from silkworm chrysalis
02/20/1990US4902620 Novel DNA for expression of delta-aminolevulinic acid synthetase and related method
02/15/1990DE3823866A1 Process for the preparation of S-cyanohydrins
02/13/1990US4900672 Method for preservation of nitrile hydration activity
02/13/1990CA1265757A1 Process for the production of l-carnitine by way of microbiology
02/07/1990CN1039442A Process for producing l-glutamic acid
01/1990
01/30/1990US4897357 Asymmetric hydrolysis of racemic mixture using microorganism-produced enzyme
01/30/1990US4897351 Process of selective bioconversion of isosorbitol dinitrate
01/30/1990US4897350 Methods and compositions for improving the nutritive value of foods
01/30/1990CA1265083A1 Process for the preparation of aromatically substituted l-amino acids
01/24/1990EP0351502A2 Method for screening productive micro-organism strains which secrete amino acids
01/18/1990DE3823451A1 Recombinant DNA, microorganisms transformed therewith, and process for the preparation of L-lysine using these microorganisms
01/17/1990EP0351127A2 Method of purifying L-glutamine
01/17/1990EP0350971A1 Process for producing L-glutamic acid by fermentation and mutant microorganisms for use therein
01/17/1990EP0350970A1 Process for producing L-glutamic acid by fermentation and mutant microorganisms for use therein
01/17/1990EP0350908A2 Process for the production of S-cyanohydrines
01/17/1990CN1038836A Transaminase, production and use thereof
01/16/1990US4894344 Method for manufacturing 2-amino-2-deoxy-D-mannitol
01/10/1990EP0349965A2 Novel genes encoding transaminase
01/10/1990CN1038669A Method for preparing l-alanine by fermentation
01/09/1990US4892825 Immobilization of biologically active material with glutaraldehyde and polyazetidine
01/03/1990CN1038465A Method of inducing lysine overproduction in plants
12/1989
12/28/1989WO1989012688A1 Process for synthesising l-alpha-amine or l-alpha-amino-n-hydroxyl acids by means of enzymes
12/27/1989EP0347873A2 Process for the biocatalytic production of poorly water soluble compounds with integrated extraction
12/26/1989US4889810 Method and compositions for improving the nutritive value of foods via Lactobacillus Ferementum
12/20/1989EP0177574B1 Aminocarnitines
12/19/1989US4888281 Method of catalyzing chemical reactions
12/14/1989WO1989011789A1 Method of inducing lysine overproduction in plants
12/13/1989CN1037927A Process for preparing l-lysine
12/13/1989CN1006067B Process of the preparation of crystalline glutamic acid and sult thereof
12/06/1989EP0344683A2 Transaminase, preparation and use thereof
12/05/1989US4885245 Process for producing L-tryptophan
11/1989
11/21/1989US4882276 Process for producing physiologically active substance by multienzyme process
11/21/1989US4882084 Optically active substituted biphenyl compounds
11/21/1989CA1263094A1 Process for the separation of l-leucine and l- isoleucine
11/16/1989WO1989010969A1 Process for producing l-amino acids and amino acid amides
11/14/1989US4880739 Method of cultivation of pseudomonas bacteria
11/14/1989US4880738 Production of amino acids using coupled enzyme systems
11/14/1989US4880737 Hydrolysis with enzymes, resolution
11/14/1989EP0239620A4 Production of amino acids using coupled aminotransferases.
11/08/1989EP0340744A2 Process for the biocatalytic conversion of organic substances
11/07/1989US4879233 Novel Aspergillus niveus microorganism used for the chiral reduction of carbonyl groups
11/02/1989WO1989010408A1 Method of obtaining l-alanine
11/02/1989WO1989010370A1 New alkylphosphono- and phosphoserines, method for preparing them, and pharmaceutical substances containing them
11/02/1989WO1989007651A3 Methods for controlling norleucine content in polypeptides
11/02/1989EP0339596A2 Antibiotics TAN-1057