Filings by year

C08F 20/30: granted patents and published applications per publication year
YearGranted patentsPublished applications
197630
197740
197840
197960
198030
198140
198260
198340
198440
198520
198680
198770
198830
198940
199030
199110
199280
199340
199450
199520
199620
199790
199860
199950
200010
200132
200272
200334
200424
200504
200635
200752
200821
200902
201003
201125
201211
201354
201416
201536
201644
201759
2018618
201969
2020816
20211110
202285
202389
202455
202551
2026211

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

Recent patents

Most cited

By later US patents