Filings by year

C03C 25/226: granted patents and published applications per publication year
YearGranted patentsPublished applications
198310
198400
198500
198610
198700
198800
198920
199000
199100
199210
199300
199400
199500
199600
199700
199800
199900
200000
200100
200211
200310
200412
200500
200600
200700
200800
200900
201001
201100
201200
201300
201411
201500
201612
201700
201811
201920
202000
202101
202210
202300
202400
202502

By publication year. Applications have been published since 2001.

Recent patents

Most cited

By later US patents