Filings by year

C04B 35/62881: granted patents and published applications per publication year
YearGranted patentsPublished applications
199110
199200
199300
199400
199500
199600
199700
199810
199900
200020
200110
200221
200302
200412
200501
200611
200701
200800
200912
201013
201111
201210
201321
201413
201500
201601
201720
201804
201910
202010
202112
202210
202314
202400
202501
202611

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

Recent patents

Most cited

By later US patents