Filings by year

C08G 12/421: granted patents and published applications per publication year
YearGranted patentsPublished applications
197620
197720
197820
197930
198010
198110
198200
198300
198400
198500
198620
198710
198810
198900
199010
199100
199200
199300
199400
199500
199600
199700
199800
199910
200010
200111
200232
200322
200410
200500
200600
200700
200800
200900
201000
201100
201201
201301
201400
201520
201600
201700
201811
201900
202000
202100
202200
202300
202401
202500
202601

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