Patents for C12P 13 - Preparation of nitrogen-containing organic compounds (13,813)
01/1992
01/22/1992CN1058046A Process for beta-hydroxy-alpha-amino acids
01/18/1992WO1992001781A1 Antibody-mediated cofactor-driven reactions
01/18/1992CA2086755A1 Antibody-mediated cofactor-driven reactions
01/14/1992US5081024 Resolution by microbial fermentation
01/08/1992EP0464325A2 Process for the preparation of L-ornithine salts
01/08/1992CN1057674A Biochemical extraction process of water in-solubles in edible bird's nest and white hyacinth beans
01/07/1992US5079263 Leukocyte elastase enzyme inhibitors; controlling proteolysis
01/07/1992US5079167 Enzymatic resolution of amino acid carbamate racemates
01/07/1992US5079145 Process for preparing microorganisms used for making phenyl acetyl carlinol (pac)
12/1991
12/31/1991US5077217 Using enzymes in aqueous solutions
12/31/1991US5077208 Microbial removal of nox from gases
12/31/1991US5077207 Cultivating mutant brevibacterium
12/25/1991CN1015173B Process for the recovery of glutamic acid from isoelectric point crystallizing mother liquor
12/22/1991WO1991019799A1 Method for isolating mutant cells
12/22/1991CA2085893A1 Method for isolating mutant cells
12/19/1991DE4041896C1 Enzymatic synthesis of organic cpds. e.g. for producing cyanohydrin(s) - by feeding reactants and enzyme catalyst to compartment contg. permeable membrane to allow diffusion
12/12/1991WO1991019002A1 A process for chiral enrichment of asymmetric primary amines
12/12/1991WO1991018661A1 Microbial removal of nitrogen oxides from gases
12/11/1991EP0460883A2 Process for beta-hydroxy-alpha-amino acids
12/10/1991US5071752 Contacting nocardia or its enzymes with a dl-imidazolidinedione derivative; immobilization
12/05/1991CA2043761A1 Process for .beta.-hydroxy-.alpha.-amino acids
11/1991
11/26/1991US5068187 Process for producing D-α-amino acids
11/26/1991CA1292434C Process for racemizing an optically active n-benzylidene amino-acid amide
11/21/1991EP0457735A1 Biocatalytic process for the production of L-(-)-carnitine from crotonobetaine and strains of Proteeae for use in said process
11/13/1991EP0456138A2 Peptide-amidase and its application
11/12/1991US5064761 Process for the manufacture of 4-acylamino-3-hydroxybutyric acid esters
11/12/1991CA1291925C Process for preparing l-amino acids by transamination
11/08/1991CA2041875A1 Peptide amidase and the use thereof
11/06/1991EP0455170A2 Process for culturing microorganisms of the genus Pseudomonas and process for producing L-alanine using said microorganisms
11/05/1991US5063161 Method of degrading keratinaceous material and bacteria useful therefor
10/1991
10/31/1991WO1991016444A1 Enzymatic synthesis of soluble phosphatides from phospholipids
10/31/1991WO1991013835A3 Methods for processing manure and a device therefor
10/29/1991US5061730 Inhibitors of dehydropeptidase and renal dipeptidase; prevent unnecessary hydrolysis of beta-lactam ring of carbapenem antib iotics
10/23/1991EP0452948A2 Production process for L-phenylalanine
10/22/1991CA1291159C Method for production of cystine from cysteine
10/09/1991EP0450885A2 Biological process for preparing glycine
10/03/1991WO1991014783A1 A process for decomposing peroxycarboxylic acids
10/01/1991US5053328 Fermenting bacillus strain in presence of ammonium ions; valine, leucine; alanine; phenylalanine; contamination-free
10/01/1991CA1289904C Valiolamine derivatives and production thereof
09/1991
09/26/1991DE4008411A1 Prepn. of optically active cyanohydrin derivs.
09/25/1991EP0431060A4 Method of catalyzing stereochemical reactions
09/25/1991EP0369029A4 Method of obtaining l-alanine
09/25/1991CN1054794A Composite auxiliary agent for making soap
09/24/1991US5051525 Selective hydrolysis of nitriles to form amides
09/19/1991WO1991013861A1 Method for preparing n-protected (2s,3s)-3-ethylaspartic acid dialkyl esters
09/19/1991WO1991013835A2 Methods for processing manure and a device therefor
09/18/1991EP0446826A2 Process for the production of optical active cyanhydrin
09/18/1991EP0148272B1 Process for producing optically active benzyl alcohol compounds
09/18/1991CN1054616A Dna fragment encoding polypeptide having nitrile hydratase activity, transformant containing gene and process for production amides using transformant
09/18/1991CN1054614A Gene encoding polypeptide having nitrile hydratase activity, transformant containing gene and process for production of amides using transformant
09/11/1991EP0445830A2 Process for producing L-threonine
09/11/1991EP0445646A2 DNA fragment encoding a polypeptide having nitrile hydratase activity, a transformant containing the DNA fragment and a process for the production of amides using the transformant
09/11/1991EP0445129A1 Process for making phenyl acetyl carbinol (pac), microorganisms for use in the process, and a method for preparing the microorganisms
09/10/1991US5047585 Process for racemizing an optically active N-benzylidene amino-acid amide
09/10/1991CA2037832A1 Process for producing l-threonine
09/04/1991EP0444639A2 A gene encoding a polypeptide having nitrile hydratase activity, a transformant containing the gene and a process for the production of amides using the transformant
08/1991
08/28/1991EP0443031A1 Arginine-rich yeast
08/22/1991WO1991012221A1 Process for separating enantiomeric substances, and a separating medium for carrying out the process
08/20/1991US5041375 Method of producing carnitine
08/06/1991US5037809 Antimicrobial agent, FR109615 and production thereof
08/06/1991US5037750 Method for producing antibodies which catalyze chemical reactions
08/06/1991CA1287312C MICROBIOLOGICALLY PRODUCED .alpha.-ACETYL-AMINO-CINNAMIC ACID ACYLASE, PROCESS FOR PRODUCING SAME AND USE OF SAME
07/1991
07/31/1991EP0438591A1 Process for producing l-tryptophane
07/30/1991US5036009 Pseudomonas putida culture strains; production of dihydroxy cyclohexadienes form aromatics
07/30/1991US5036004 Process for producing L-serine
07/23/1991US5034319 Culture of corynebacterium in a medium of cysteine
07/23/1991US5034318 Method for producing L-tryptophan by fermentation
07/18/1991DE4008412C1 Optically active cyanohydrin prepn. useful insecticidal derivs. - comprising condensation of oxo-cpd. with hydrogen cyanide in presence of (R)- or (S) oxynitrilase
07/17/1991EP0436886A1 Process for producing L-isoleucine and microorganisms suitable therefore and recombinant DNA
07/16/1991US5032681 LEU3 gene sequence of S. cerevisiae and use in regulation of amino acid synthesis
07/10/1991EP0436020A1 Immunosuppressant
07/09/1991US5030567 Method for production of L-phenylalanine by recombinant E. coli ATCC 67460
07/09/1991CA1285958C Method of separating monohydrate of l-cysteine hydrochloride
07/03/1991EP0435132A1 Process for the fermentative production of amino acids, especially L-lysine, microorganisms suitable therefor and recombinant DNA
07/02/1991US5028538 Process for the production of L-carnitine and its deivatives
07/02/1991US5028537 Novel antifungal substances and process for their production
06/1991
06/25/1991US5026642 Stereospecificity; renin inhibitors; reducing to secondary alcohol with microorganisms containing dehydrogenase
06/12/1991EP0431060A1 Method of catalyzing stereochemical reactions
06/12/1991CN1012816B Continuous extraction method of glutamic acid
05/1991
05/29/1991EP0229161B1 Composite plasmids for amino acid synthesis
05/28/1991US5019593 Antifungal fermentation products and compositions thereof
05/28/1991US5019509 Gene gor aspartate beta decarboxylase
05/28/1991US5019503 Method for production of l-threonine
05/21/1991US5017483 Process for producing L-threonine
05/21/1991US5017482 Process for producing L-arginine
05/21/1991US5017481 Biosynthesis
05/21/1991US5017480 Process for recovering L-amino acid from fermentation liquors
05/21/1991US5017476 Method for the biocatalytic reaction of organic substances
05/15/1991CN1051392A Method for increasing the rate of extraction of glutamic acid fermenting liquid using ultrafiltration of separating film
05/14/1991US5015582 Isolated phenylalanine dehydrogenase gene and process for production of phenylalanine dehydrogenase
05/07/1991CA1283878C PROCESS FOR PRODUCING D-.alpha.-AMINO ACIDS
05/02/1991WO1991005870A1 Enzymatic production of d-amino acids
05/02/1991WO1991005869A1 Fungal cell wall material with flocculant properties, method for its production
05/01/1991CN1012499B Compounds related to antibiotic tan-749 and their production
04/1991
04/24/1991EP0424064A1 Chiral azabicyloheptanone and a process for their preparation
04/23/1991CA1283375C Method of biosynthesis and cells therefor
04/18/1991WO1991005056A1 Interesterification of phospholipids
04/17/1991EP0322448A4 A method for the preparation of "natural" methyl anthranilate
04/16/1991US5008391 Chemical intermediates for antimetabolites
04/16/1991US5008192 Enzymatic process for the preparation of optically active cyanohydrins