ClassID:

96602

C07J75/00 - CPC Classification

Classification description:

Processes for the preparation of steroids in general

Sub-classes:
Recent Application in this class:
#1
20250257092
2025-08-14

NEUROACTIVE STEROIDS, COMPOSITIONS, AND USES THEREOF

#2
20250255813
2025-08-14

TRIPTOLIDE LIGNOCERATE, LIPOSOME THEREOF AND PREPARATION METHOD THEREFOR

#3
20250236638
2025-07-24

COMPOSITIONS AND METHODS FOR TREATING CNS DISORDERS

#4
20230192757
2023-06-22

Compositions and methods for treating CNS disorders

#5
20230192756
2023-06-22

Neuroactive steroids, compositions, and uses thereof

#6
20210395297
2021-12-23

Preparation method of vascular leakage blockers with a high yield

#7
20210355157
2021-11-18

Neuroactive steroids and methods of preparation

#8
20210284681
2021-09-16

Process for the preparation of 3β-hydroxy-17-(1H-benzimidazol-1-YL) androsta-5,16-diene

#9
20210261599
2021-08-26

Process for the Preparation of Obeticholic Acid and Intermediates Used In the Process Thereof

#10
20210246159
2021-08-12

NOVEL FORM OF BARDOXOLONE METHYL

#11
20210163525
2021-06-03

Ultrasonic-assisted pretreatment method for extraction of multiple steroid hormones in sediment

#12
20210147470
2021-05-20

NEUROACTIVE STEROIDS, COMPOSITIONS, AND USES THEREOF

#13
20210115084
2021-04-22

Industrial process for the synthesis of nomegestrol-acetate

#14
20210087223
2021-03-25

COMPOSITIONS AND METHODS FOR TREATING CNS DISORDERS

#15
20200317716
2020-10-08

Preparation of bile acids and intermediates thereof

#16
20200040029
2020-02-06

Process for the preparation of 9 beta,10 alpha-progesterone (retroprogesterone)

#17
20200024301
2020-01-23

Compositions and methods for treating CNS disorders

#18
20190048037
2019-02-14

Preparation of bile acids and intermediates thereof

#19
20190010420
2019-01-10

Extraction of phytosterols from tall oil soap using a solvent selected from dibromomethane, bromoform, tetrabromomethane or a combination thereof

#20
20180362573
2018-12-20

Neuroactive steroids, compositions, and uses thereof

#21
20180016296
2018-01-18

Method for fully automated synthesis of 16β-F-fluoro-5α-dihydrotestosterone (F-FDHT)

#22
20170369521
2017-12-28

Process for the preparation of estetrol

#23
20170114088
2017-04-27

Process for the preparation of 17-desoxy-corticosteroids

#24
20170088563
2017-03-30

Base-catalyzed silylation of terminal alkyne C—H bonds

#25
20160319203
2016-11-03

Solvolysis of biomass to produce aqueous and organic products

#26
20160311852
2016-10-27

Methods for the synthesis of ceragenins

#27
20160039863
2016-02-11

Method for preparing substituted 3,7-dihydroxy steroids

#28
20150337007
2015-11-26

Process for the preparation of unsaturated trifluoromethanesulfonate steroid derivatives

#29
20150299245
2015-10-22

Preparation of bile acids and intermediates thereof

#30
20150291651
2015-10-15

Process for preparing high purity ursodeoxycholic acid

#31
20150218206
2015-08-06

Ursolic acid derivative and method for preparing same

#32
20150148384
2015-05-28

A-ring epoxidized triterpenoid-based anti-inflammation modulators and methods of use thereof

#33
20150005518
2015-01-01

Process for alkynylating 16-substituted-17-keto steroids

#34
20140336249
2014-11-13

2-alkyl-or-aryl-substituted tanshinone derivatives, and preparation method and application thereof

#35
20140243539
2014-08-28

Process for the production of estetrol

#36
20140050790
2014-02-20

Triterpene-containing oleogel-forming agent, triterpene-containing oleogel and method for producing a triterpene-containing oleogel

#37
20130303797
2013-11-14

Method for synthesizing 2-cyano-3,12-dioxoolean-1, 9(11)-dien-28-oic acid methyl ester and derivatives thereof

#38
20130190517
2013-07-25

Preparation of bile acids and intermediates thereof

#39
20130165421
2013-06-27

4-[17BETA-METHOXY-17ALPHA-METHOXYMETHYL-3-OXOESTRA-4,9-DIEN-11-BETA-YL]BENZALDEHYDE (E)-OXIME (ASOPRISNIL)

#40
20130157988
2013-06-20

Substituted androst-4-ene diones

#41
20130131359
2013-05-23

PROCESSES AND INTERMEDIATES FOR PREPARING STERIC COMPOUNDS

#42
20130090468
2013-04-11

METHANESULFONATE SALTS OF ABIRATERONE-3-ESTERS AND RECOVERY OF SALTS OF ABIRATER ONE-3-ESTERS FROM SOLUTION IN METHYL TERT-BUTYL ETHER

#43
20130078358
2013-03-28

Stigmasterol-rich phytosterol composition and use

#44
20130072698
2013-03-21

Method and Compounds for the Preparation of Monofluoromethylated Biologically Active Organic Compounds

#45
20130066087
2013-03-14

Methods for preparing 17-alkynyl-7-hydroxy steroids and related compounds-2

#46
20120318258
2012-12-20

Solvolysis of biomass to produce aqueous and organic products

#47
20120053340
2012-03-01

Methanesulfonate salts of abiraterone-3-esters and recovery of salts of abirater one-3-esters from solution in methyl tert-butyl ether

#48
20110224448
2011-09-15

Preparation of bile acids and intermediates thereof

#49
20110152552
2011-06-23

Preparation of bile acids and intermediates thereof

#50
20110054156
2011-03-03

SYNTHESIS OF TIMOSAPONIN BII

#51
20100311993
2010-12-09

Process for preparing aromatiase inhibitor exemestane

#52
20100298568
2010-11-25

Processes and intermediates for preparing steric compounds

#53
20100179337
2010-07-15

Preparation of bile acids and intermediates thereof

#54
20100152437
2010-06-17

Methanesulfonate salts of abiraterone-3-esters and recovery of salts of abirater one-3-esters from solution in methyl tert-butyl ether

#55
20100145083
2010-06-10

Preparation of bile acids and intermediates thereof

#56
20090326251
2009-12-31

Methods for preparing 17-alkynyl-7-hydroxy steroids and related compounds

#57
20090270642
2009-10-29

Preparation of bile acids and intermediates thereof

#58
20090131698
2009-05-21

Method for obtaining conjugated estrogen mixtures from pregnant mare urine and use of a macroporous resin in the method

#59
20090012014
2009-01-08

Compound, Composition and a Process Thereof

#60
20080207931
2008-08-28

Solid-phase extraction method of steroid hormones by entrapped β-cyclodextrin polymers

#61
20080161586
2008-07-03

Process for recovering sterols from a crude source containing sterol esters

#62
20080027237
2008-01-31

Processes for preparations of 9,11-epoxy steroids and intermediates useful therein

#63
20070299285
2007-12-27

Triterpene-containing oleogel-forming agent, triterpene-containing oleogel and method for producing a triterpene-containing oleogel

#64
20070299268
2007-12-27

Process for the preparation of estrone and/or estradiol-derivatives

#65
20070249836
2007-10-25

Methanesulfonate salts of abiraterone-3-esters and recovery of salts of abirater one-3-esters from solution in methyl tert-butyl ether

#66
20070244334
2007-10-18

Processes and intermediates for preparing steric compounds

#67
20070185108
2007-08-09

Process of obtaining taxosteroids and precursors thereof

#68
20070161779
2007-07-12

Estrogen Extraction From Pregnant Animal Urine

#69
20070055072
2007-03-08

Process for preparing guggulsterones and guggulsterol

#70
20070032462
2007-02-08

Novel methods for the preparation of dhea derivatives

#71
20070015904
2007-01-18

Process for obtaining fatty acid alkyl esters, rosin acids and sterols from crude tall oil

#72
20060235198
2006-10-19

Process for obtaining fatty acid alkyl esters, rosin acids and sterols from crude tall oil

#73
20060234994
2006-10-19

Method and apparatus for concentrating and stabilizing conjugated estrogens from mare urine

#74
20060140816
2006-06-29

Sterilization of beclomethasone drug particles for pulmonary delivery

#75
20060111332
2006-05-25

Process and intermediates to prepare17beta-hydroxy-7alpha-methyl-19-nor-17alpha-pregn -5(10)-en-20-yn-3-one

#76
20050256094
2005-11-17

Processes for preparation of 9,11-epoxy steroids and intermediates useful therein

#77
20050230303
2005-10-20

Device for concentrating and stabilizing conjugated estrogens from mare urine

#78
20050143596
2005-06-30

Process for producing triterpene derivative

#79
20050124643
2005-06-09

Steroid 3-O-sulphamate derivatives as inhibitors of oestrone sulphatase

#80
20050107337
2005-05-19

Platinum complexes having antitumor activity

#81
20050090675
2005-04-28

Process for preparing highly pure androstane 17-beta-carboxylic acids and 17-beta-carbothioic acid fluoromethyl esters thereof

#82
20050065135
2005-03-24

8β-vinyl-11β-(ω-substituted)alkyl-estra-1,3,5(10)-trienes

#83
20050032767
2005-02-10

Method for obtaining a natural mixture of conjugated equine estrogens