C07J 21/00

Normal steroids containing carbon, hydrogen, halogen or oxygen having an oxygen-containing hetero

Official title: Normal steroids containing carbon, hydrogen, halogen or oxygen having an oxygen-containing hetero ring spiro-condensed with the cyclopenta(a)hydrophenanthrene skeleton

C07J21/00 (Normal steroids containing carbon, hydrogen, halogen or oxygen having an oxygen-containing hetero) appears on 482 US grants and 311 published applications in this corpus.

Search patents in C07J
Granted patents
482
Published applications
311
Assignees
192
Inventors
914
Latest grant
5 May 2026

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C07J 21/00: granted patents and published applications per publication year
YearGranted patentsPublished applications
1976160
1977150
1978150
1979140
1980130
1981160
198290
198360
1984130
1985180
1986140
198780
198840
198980
1990140
199180
1992100
1993140
1994110
1995140
1996100
1997140
1998160
199960
2000120
200180
200227
2003510
2004420
2005711
200699
2007511
2008511
200937
2010612
201145
201276
2013613
2014311
20151011
20161119
20171215
20181015
20191416
2020920
20211223
20221110
2023613
2024515
2025915
202616

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