Patents
Sitemap › C12 - Biochemistry; Beer; Spirits; Wine; Vinegar; Microbiology; Enzymology; Mutation or genetic engineering › C12P - Fermentation or enzyme-using processes to synthesise a desired chemical compound or composition or to separate optical isomers from a racemic mixture › C12P 33 - Preparation of steroids
Patents for C12P 33 - Preparation of steroids (1,659)
09/1980
09/17/1980EP0015308A1 Process for the selective degradation of side chains of steroid compounds and for the preparation of the appropriate defective microorganism mutants and microorganism strains
09/16/1980US4223092 9a-hydroxy-3-keto-bisnorchol-4-en-22-oic acid methyl ester, microorganism mutants
09/16/1980US4223091 Cultivating mycobacterium mutant
09/09/1980US4221868 Cultivating mutant microorganisms
09/03/1980EP0014991A1 Microbiological method for the preparation of 7-alpha-hydroxylated steroids
09/03/1980EP0014971A1 Process for the preparation of 1-alpha-hydroxy dehydroepiandrosterone
09/02/1980US4220716 Hydroxylation
08/1980
08/06/1980EP0013959A1 D-homo steroids, processes for their preparation and medicines containing these D-homo steroids
07/1980
07/23/1980EP0013405A1 Process for the preparation of 19-hydroxy steroids of the androstane and pregnane series
07/22/1980US4214052 Process for preparing 9α-OH BN alcohol
07/22/1980US4214051 Microbiological conversion of steroids to 9a-hydroxy-3-ketobisnorchol-4-en-22-ol
07/15/1980US4212940 Fermentation of a sterol with mycobacterium in the presence of borate ions
05/1980
05/28/1980EP0011235A1 9-Alpha-hydroxy-3-oxopregna-4,17(20)-diene-20-carboxylic acid and its methyl ester and methods for the microbiological production thereof
05/13/1980US4202841 D-Homopregnanes
04/1980
04/22/1980CA1076046A1 Method for improving the activity of oxireductase enzymes embedded in filamentary structures
04/16/1980EP0010056A1 Corticoid sulfopropionic acid esters and their salts, process for their preparation and pharmaceutical preparations containing these compounds
04/01/1980US4196204 Hydroxylated 1 alpha, 2 alpha-methylene steroids
04/01/1980US4196203 Novel corticoids
02/1980
02/20/1980EP0008214A1 Microorganisms and their use in producing androst-4-ene-3,17-dione
12/1979
12/18/1979US4179336 Microbiological degradation of sterol side chains to a 17-keto group
11/1979
11/27/1979CA1067066A1 PROCESS FOR PREPARING 3-ENOL ETHERS OF 11.beta.-HYDROXY-.DELTA.4-PREGNENE-3-ONES AND DERIVATIVES THEREOF
11/20/1979US4175006 Composition of matter and process
10/1979
10/31/1979EP0004913A1 Process for the selective degradation of side chains of steroids and for the preparation of the appropriate defective blocked microorganism mutants and new microorganism strains
10/09/1979US4170518 Microbiological conversion of sterol derivatives to 5-androsten-17-one derivatives and their use
06/1979
06/27/1979EP0002535A2 Process for the preparation of 21-hydroxy-20-methyl pregnanes
06/05/1979CA1055862A1 Process for the microbiological oxidation of steroids
05/1979
05/02/1979EP0001622A1 A process for producing steroidal alcohols
04/1979
04/17/1979CA1052767A1 Steroids
03/1979
03/21/1979EP0001102A1 Process for the preparation of 7-hydroxy steroids
03/13/1979US4144334 Contraceptives, regulation of menstruation or menopause
03/13/1979CA1050530A1 1.alpha.-HYDROXY-STEROIDS
02/1979
02/27/1979CA1049496A1 D-homosteroids and process for the preparation thereof
11/1978
11/07/1978US4124607 Preparation of sterol substrates for bioconversion
07/1978
07/18/1978US4101378 Process for the microbiological oxidation of steroids
07/11/1978US4100029 Method for improving the activity of oxireductase enzymes embedded in filamentary structures
07/11/1978US4100027 Fermentation
07/11/1978US4100026 Fermentation
06/1978
06/27/1978US4097334 Process for the preparation of androstane-3,17-dione derivatives
05/1978
05/09/1978US4088537 Δ1 Dehydrogenation of corticoids without side chain degradation by Septomyxa
12/1977
12/13/1977US4062880 Steroid intermediate
11/1977
11/08/1977US4057541 Forming adduct with calcium bromide, methyl isobutyl or amyl ketone solvent
11/08/1977US4057469 Process for the microbiological oxidation of steroids
08/1977
08/30/1977US4045574 D-homo-20-ketopregnanes
07/1977
07/19/1977US4036874 D-homopregnanes
07/19/1977US4036695 Process for the preparation of estrene-3,17-dione derivatives
07/12/1977US4035236 Process for preparing 9α-hydroxyandrostenedione
06/1977
06/28/1977US4032408 Process of preparing 3-oxo-pregna-4,17(20)-dien-21-carboxylic acid and esters with mycobacterium
06/14/1977US4029779 1α-Hydroxy steroids
06/14/1977US4029692 Steroid carboxylic acids and derivatives
06/14/1977US4029549 Process of producing 9α-hydroxy-3-ketobisnorchol-4-en-22-oic with mycobacterium fortuitum
05/1977
05/31/1977US4026922 Progestational agents
05/31/1977US4026918 Antiinflammatory
03/1977
03/15/1977US4012510 Novel methylene steroids
01/1977
01/25/1977US4004976 Process for recovering the main sapogenins from the roots of rhizomes of helleborus
11/1976
11/30/1976US3994933 Antispasmodic, antiinfluenza
06/1976
06/22/1976US3965130 From yeast biomass
05/1976
05/11/1976US3956349 Process for preparing 3-enol ethers of 11β-hydroxy-Δ4 -pregnene-3-ones and derivatives thereof
04/1976
04/06/1976US3948728 Steroid-delta-isomerase
01/1976
01/27/1976US3935245 Radioactively labeled steroid derivatives
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