Filings by year

C07F 9/09: granted patents and published applications per publication year
YearGranted patentsPublished applications
1976690
1977470
1978610
1979350
1980290
1981440
1982350
1983290
1984300
1985520
1986320
1987490
1988450
1989530
1990370
1991470
1992620
1993550
1994430
1995490
1996510
1997630
1998740
1999600
2000460
20016412
20026963
20036261
20045084
20052590
20064695
20075170
20084973
20094768
20105993
20116684
20127491
20136385
20147391
20156687
20166990
20176598
201885107
201980105
20208585
20217078
20225079
20235582
20245071
20255864
20262360

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

Subgroups

Granted patents
All 11 subgroups

Recent patents

Most cited

By later US patents