Filings by year

C09B 35/18: granted patents and published applications per publication year
YearGranted patentsPublished applications
197640
197710
197800
197900
198000
198100
198200
198320
198400
198510
198610
198700
198800
198900
199000
199100
199200
199300
199400
199510
199600
199710
199810
199910
200000
200100
200200
200300
200400
200511
200600
200700
200800
200903
201010
201100
201200
201300
201400
201511
201602
201720

By publication year. Applications have been published since 2001.

Subgroups

Granted patents

Recent patents

Most cited

By later US patents