Filings by year

C08G 59/1438: granted patents and published applications per publication year
YearGranted patentsPublished applications
1976180
197760
197890
1979100
1980210
1981150
1982150
1983100
198470
1985120
1986110
1987110
1988170
1989250
1990190
1991260
1992220
1993140
1994140
199580
1996110
1997100
199870
1999130
2000110
2001104
2002719
200378
2004910
200529
200646
200715
200857
2009612
201069
201159
2012516
20131010
2014823
20151314
20161323
20171014
20181416
20192122
20201220
20212110
2022826
20231419
20241425
20251113
202682

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

Subgroups

Granted patents

Recent patents

Most cited

By later US patents