C07D 513/20

Spiro-condensed systems

C07D513/20 (Spiro-condensed systems) appears on 53 US grants and 77 published applications in this corpus.

Search patents in C07D
Granted patents
53
Published applications
77
Assignees
53
Inventors
420
Latest grant
2 Dec 2025

Filings by year

C07D 513/20: granted patents and published applications per publication year
YearGranted patentsPublished applications
197610
197700
197800
197900
198000
198100
198200
198300
198400
198500
198600
198700
198820
198900
199000
199100
199210
199300
199400
199500
199600
199700
199800
199900
200000
200100
200200
200300
200400
200501
200601
200710
200813
200901
201002
201115
201214
201361
201439
201553
201664
201764
201810
201901
202014
202134
202232
2023511
202428
202544
202605

By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.

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By later US patents