C07D 263/56

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

Official title: with only hydrogen atoms, hydrocarbon or substituted hydrocarbon radicals, directly attached in position 2

C07D263/56 (With only hydrogen atoms, hydrocarbon or substituted hydrocarbon radicals, directly attached in) appears on 831 US grants and 818 published applications in this corpus.

Search patents in C07D
Granted patents
831
Published applications
818
Assignees
538
Inventors
3,007
Latest grant
6 Oct 2026

Filings by year

C07D 263/56: granted patents and published applications per publication year
YearGranted patentsPublished applications
1976120
1977190
1978130
197980
198060
1981100
198240
198340
198440
1985100
198650
198760
198850
1989110
199090
1991120
1992130
1993150
199490
1995120
1996120
199790
1998140
1999150
2000160
2001183
20021814
20031026
20041152
20051436
20063048
20071742
20081428
20092844
20102842
20112532
20122930
20133128
20142932
20152939
20162826
20172832
20182830
20192428
20201937
20211833
20222832
20232038
20242632
20252024
2026810

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

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