Filings by year

C08G 59/50: granted patents and published applications per publication year
YearGranted patentsPublished applications
1976250
1977240
1978360
1979300
1980400
1981540
1982380
1983340
1984360
1985600
1986500
1987470
1988650
1989550
1990480
1991550
1992440
1993410
1994420
1995380
1996350
1997400
1998420
1999400
2000320
20012710
20023828
20034136
20042844
20051432
20061729
20071742
20081845
20092653
20103183
20113765
20123890
20134492
20145675
201554119
201667131
201796153
201891115
2019119137
2020100145
202194153
202290146
202384116
202483138
202585122
20265398

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

Subgroups

Granted patents
All 9 subgroups

Recent patents

Most cited

By later US patents