C07D 309/04

With only hydrogen atoms, hydrocarbon or substituted hydrocarbon radicals, directly attached to

Official title: with only hydrogen atoms, hydrocarbon or substituted hydrocarbon radicals, directly attached to ring carbon atoms

C07D309/04 (With only hydrogen atoms, hydrocarbon or substituted hydrocarbon radicals, directly attached to) appears on 642 US grants and 595 published applications in this corpus.

Search patents in C07D
Granted patents
642
Published applications
595
Assignees
370
Inventors
2,328
Latest grant
22 Sep 2026

Filings by year

C07D 309/04: granted patents and published applications per publication year
YearGranted patentsPublished applications
197670
197750
1978230
197940
198090
1981170
1982110
198360
198480
198540
198690
198740
198860
198990
199080
199130
199250
1993100
1994110
1995160
1996150
1997140
199870
199990
200040
200181
2002118
20031013
2004714
2005419
2006519
20071219
2008918
20091332
20101822
20111019
20121833
20132727
20142630
20153045
20163745
20173135
20182424
20192620
20202222
20211620
20221223
20231132
20241113
2025827
20261215

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

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