Filings by year

C03C 23/0015: granted patents and published applications per publication year
YearGranted patentsPublished applications
197810
197900
198000
198100
198200
198300
198400
198500
198600
198700
198810
198900
199000
199100
199200
199300
199410
199500
199600
199700
199800
199910
200000
200100
200200
200300
200400
200500
200601
200701
200800
200910
201000
201100
201200
201310
201402
201500
201611
201700
201811
201911
202002
202112
202212
202303
202410
202511
202601

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

Recent patents

Most cited

By later US patents