C07C 49/623

Having two rings

Official title: having two rings

C07C49/623 (Having two rings) appears on 97 US grants and 49 published applications in this corpus.

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Granted patents
97
Published applications
49
Assignees
52
Inventors
172
Latest grant
4 Nov 2025

Filings by year

C07C 49/623: granted patents and published applications per publication year
YearGranted patentsPublished applications
197620
197720
197810
197900
198020
198140
198220
198340
198450
198530
198630
198770
198830
198940
199020
199110
199240
199320
199410
199510
199600
199700
199810
199910
200010
200140
200200
200300
200402
200501
200602
200720
200825
200921
201044
201112
201214
201332
201432
201511
201622
201721
201833
201901
202013
202126
202250
202311
202414
202512

By publication year. Applications have been published since 2001.

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