C07C 31/137

Polycyclic with condensed ring systems

Official title: polycyclic with condensed ring systems

C07C31/137 (Polycyclic with condensed ring systems) appears on 57 US grants and 16 published applications in this corpus.

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Granted patents
57
Published applications
16
Assignees
31
Inventors
114
Latest grant
9 Sep 2025

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C07C 31/137: granted patents and published applications per publication year
YearGranted patentsPublished applications
197720
197890
1979100
198050
198100
198200
198300
198410
198520
198610
198720
198810
198910
199000
199100
199220
199300
199410
199500
199600
199700
199810
199910
200010
200130
200212
200310
200400
200522
200600
200700
200800
200901
201000
201113
201200
201331
201400
201510
201600
201701
201802
201911
202020
202100
202203
202300
202410
202510

By publication year. Applications have been published since 2001.

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