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)
05/1984
05/08/1984CA1167030A1 Fermentation of bile
05/08/1984CA1166986A1 Process for producing the enzyme cholesterase and for hydrolysing cholesterol esters of fatty acids by using the enzyme itself
04/1984
04/24/1984US4444884 Process for preparing steroids
03/1984
03/13/1984US4436813 Immobilized microbial cell composition for making L-aspartic acid
03/06/1984US4435327 3β,7β,15α-Trihydroxy-5-androsten-17-one, its 3,15-dipivalate, and their preparation
02/1984
02/21/1984US4432905 With carboxylic acid halogenating agent reacting with metal azide and hydrolysis
02/14/1984US4431732 Adding a cobalt salt to an arthrobacter culture; dehydrogenation
02/14/1984US4431591 Steroid intermediate for corticoids
02/01/1984EP0099853A2 7-Alpha-acylthio-15,16-methylene-3-oxo-17-alpha-pregna-1,4-diene-21,17-carbolactones, their preparation and use as medicinal agents
01/1984
01/31/1984US4429041 Process of producing 9-hydroxy-3-oxo-4,17(20)-pregnadiene-20-carboxylic acid
01/10/1984US4425429 Fermentation, steroids, corticoids
01/03/1984CA1159822A1 Halogenated steroids
12/1983
12/27/1983US4423146 24-nor-1,4-choladiene-3,22-dione, fermentation, mycobacterium, cultures
12/08/1983WO1983004264A1 Process for preparing steroids
11/1983
11/22/1983US4416985 Process for preparing 3β,7β-dihydroxy-Δ5 -steroids
10/1983
10/26/1983EP0092174A1 11-Beta-chloro-delta-15-steroids, process for their preparation and pharmaceutical compositions containing them
09/1983
09/21/1983EP0089165A2 Immobilized microbial cells and process for preparing and using same
09/20/1983US4405525 Composition of matter and process
09/14/1983EP0088637A2 A method for producing ursodeoxycholic acid
09/07/1983EP0088007A1 Microbial process for producing 12-hydroxyandrosta-1,4-diene-3,17-dione
09/07/1983EP0087787A1 Pregnane derivatives and method of producing the same
08/1983
08/24/1983EP0086537A1 A process for the in-vitro transformation of plant protoplasts with plasmid DNA
08/09/1983US4397947 Microbial process for 9α-hydroxylation of steroids
08/09/1983US4397946 Process for preparing androstane steroids
06/1983
06/28/1983US4390454 Catalyst components for polymerizing olefins
06/07/1983US4387163 Process for producing the enzyme cholesterol esterase and for hydrolyzing cholesterol esters of fatty acids by using the enzyme itself
04/1983
04/27/1983EP0077544A1 Microbial process for producing 12-alpha-hydroxypregna-1,4-dien-3-one-20-alpha-carboxylic acid
04/12/1983US4379842 Process for the manufacture of 1α-hydroxydehydroepiandrosterone
04/12/1983CA1144538A1 Steroids of the pregnane series substituted in the 17-position, and their manufacture and use
03/1983
03/30/1983EP0075189A1 3-Beta,7-beta,15-alpha-trihydroxy-5-androsten-17-one, its 3,15-dipivalate, and its preparation
02/1983
02/23/1983EP0072547A1 6-Alpha-methyl-prednisolone derivatives, their preparation and utilization
02/22/1983US4374776 Ester interchange, distillation
02/15/1983CA1141313A1 Process for the selective side chain degradation of steroid compounds and for the preparation of defective mutants of microorganisms suitable therefor and also new strains of microorganisms (ii)
02/01/1983US4371529 Inhibition of ovulation
01/1983
01/11/1983US4368264 Fermentation methods of preparing ergostadientriols
01/05/1983EP0068594A1 Process for carrying out an enzymatic reaction
01/04/1983CA1138857A1 D-homosteroids
12/1982
12/07/1982US4362815 Process for the preparation of defective mutants of microorganisms
11/1982
11/30/1982US4361558 Preparation of these antiinflammatory agents
11/23/1982US4360595 Culturing streptomyces under aerobic conditions
11/16/1982US4359529 Microbial process for producing cholanic acid derivatives
11/09/1982US4358538 Mycobacterium fortuitum mutant
11/02/1982CA1134763A1 Steroid production
10/1982
10/12/1982US4353985 Process for the preparation of 11 β-hydroxy steroids
10/06/1982EP0061688A1 Process for the controlled microbial degradation of bile acids
08/1982
08/17/1982US4345034 Mycobacterium fortuitum mutant
08/17/1982US4345033 Mycobacterium fortuitum mutant
08/17/1982US4345030 Microorganism mutant conversion of sterols to androsta-4-ene-3,17-dione
08/17/1982US4345029 Aerobic processes, cultures
07/1982
07/14/1982EP0055832A1 Process for the preparation of 11-beta, 21-dihydroxy-2'-methyl-5'-beta-H-1,4-pregnadieno-(16,17-d)-oxazole-3,20-dione
07/13/1982US4339539 Degradation of steroids
07/13/1982CA1127630A1 Corticoid-21-sulphopropionates and their salts, process for their manufacture and pharmaceutical preparations containing them
07/06/1982EP0046769A4 Fermentation of bile.
06/1982
06/30/1982EP0054810A2 Process for the preparation of 3-oxo-delta-1,4-steroids
06/30/1982EP0054786A1 6-Alpha-methyl hydrocortisone derivatives, their preparation and their utilization
06/29/1982US4337311 15 Hydroxylation of 1α,2α-methylene steroids
06/22/1982US4336332 Process for the manufacture of hydroxylated steroids
06/08/1982US4333880 3-Oxo-pregna-1,14,17-trien-20-carboxylates and process
05/1982
05/19/1982EP0051762A1 11-Methylene-delta-15 steroids, process for their preparation and pharmaceutical compositions containing them
05/18/1982US4330541 Antiinflammatory agent
05/12/1982EP0051143A1 Process for the preparation of 3-beta, 7-beta-dihydroxy-delta-5 steroids
05/04/1982US4328315 Useful in converting 17-alkyl steroids to 3,17-diones
04/1982
04/14/1982EP0049410A2 Aqueous nutrient medium for the culture of micro-organisms
03/1982
03/16/1982US4320195 Steroid production
03/10/1982EP0046769A1 Fermentation of bile.
02/1982
02/16/1982CA1118376A1 Process for producing steroidal alcohols
12/1981
12/30/1981EP0042451A1 Process for the preparation of 11-beta-hydroxy steroids
12/22/1981US4307088 1-Hydroxy steroids, a process for the production thereof, and pharmaceutical preparations containing them
12/01/1981US4303754 Method for obtaining 7β hydroxy steroids
11/1981
11/18/1981EP0039894A1 Delta-17(20) bis-nor-cholanic acid derivatives (BNC) and process for their preparation
11/17/1981US4301246 Hydroxylation of 3-keto-bisnorcholenol to 7-hydroxy-3-keto-bisnorcholenol
11/04/1981EP0039311A1 Halogenated steroids
10/1981
10/20/1981US4296109 Antishock, antiinflammatory
10/06/1981US4293646 Composition of matter and process
10/06/1981US4293645 Process for preparing androsta-1,4-diene-3,17-dione and androst-4-ene-3,17-dione
10/06/1981US4293644 Process for preparing androst-4-ene-3,17-dione
09/1981
09/03/1981WO1981002427A1 Fermentation of bile
08/1981
08/18/1981US4284720 Process for the preparation of 19-hydroxy steroids of the androstane and pregnane series
08/12/1981EP0033439A1 Delta-1,4,17-bis-nor-cholanic (BNC) acid compounds and process for their preparation
08/05/1981EP0033120A1 1-Hydroxy steroids, process for their preparation and pharmaceutical compositions containing these compounds
07/1981
07/15/1981EP0032103A1 Corticoid-17-thioacetals, their preparation and use
06/1981
06/16/1981US4273872 Method for the microbiological conversion of steroids
06/09/1981US4272630 D-Homosteroids
05/1981
05/19/1981CA1101348A1 Activation of immobilized living microorganisms
05/13/1981EP0028309A1 Process for the preparation of 11-alpha-hydroxy-20-alpha-hydroxymethyl-1,4-pregnadiene-3-one
05/06/1981EP0027829A1 Process for the preparation of 9-alpha-hydroxy-4-androstene-3,17-dione
04/1981
04/07/1981CA1098897A1 D-homosteroids
04/01/1981EP0025783A1 A pharmaceutical composition for use in reducing serum cholesterol levels
03/1981
03/10/1981US4255344 9-α-Hydroxy steroids
01/1981
01/22/1981WO1981000113A1 Immobilized catalysts having their origin in higher plants
01/20/1981CA1093990A1 Method for the microbiological conversion of steroids
01/14/1981EP0022434A2 Catalysts for the production and transformation of natural products having their origin in higher plants, process for production of the catalysts, and use thereof
12/1980
12/02/1980US4237220 Process for preparing 9α-hydroxy-4-androstene-3,17-dione
11/1980
11/26/1980EP0019162A1 12-Alpha-hydroxy steroids and their preparation
11/18/1980US4234577 Anticholesterol agents, oxidation resistance
11/12/1980EP0018515A2 Process for the preparation of chenodeoxycholic acid and intermediate products
11/04/1980US4232122 Cultures rhizopus, ergostadientriol
10/1980
10/28/1980US4230625 Process for chenodeoxycholic acid and intermediates therefore
10/07/1980US4226936 Process for preparing 9α-OH BN alcohol
10/02/1980WO1980002027A1 Ergostadientriols,compositions containing same,and methods of preparing and using same
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