Filings by year

C08F 222/40: granted patents and published applications per publication year
YearGranted patentsPublished applications
197840
197910
198020
198110
198210
198340
198400
198540
198690
198790
198870
1989150
1990110
1991170
1992150
1993150
199480
199540
199660
199710
199840
199940
200030
200130
200220
200352
200402
200515
200633
200701
200834
2009110
201026
201147
201259
2013115
201499
201549
201657
2017147
2018820
2019719
20201311
20211217
20221021
20231115
20241019
20251414
20261017

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