Filings by year

C08L 33/08: granted patents and published applications per publication year
YearGranted patentsPublished applications
1976290
1977150
1978190
1979120
198060
1981100
198250
1983120
198470
198580
198690
198790
198850
1989100
199090
1991160
1992140
1993110
1994170
1995100
1996120
1997150
1998130
1999190
200060
200198
20021510
20031932
20041936
20051344
20062143
20071529
2008849
20091461
201023115
20113584
20124763
20135673
20146297
201591110
20167677
20176897
201875125
201990144
2020119191
202195150
202294121
20239678
20248168
20257339
20264228

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

Recent patents

Most cited

By later US patents