Filings by year

C08G 59/20: granted patents and published applications per publication year
YearGranted patentsPublished applications
1976450
1977320
1978430
1979170
1980240
1981220
1982300
1983270
1984310
1985420
1986380
1987460
1988510
1989620
1990670
1991640
1992870
1993810
1994850
1995680
1996540
1997700
1998630
1999590
2000510
20017915
20024951
20035465
20044567
20053459
20063965
20072884
20082768
20092585
201040135
20116899
201266108
201371102
201473105
201587165
201685161
201799181
2018103160
2019141193
2020152230
2021135222
2022132236
2023129181
2024127189
2025124178
202687146

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