Filings by year

C03C 25/27: granted patents and published applications per publication year
YearGranted patentsPublished applications
197680
197730
197840
197940
198000
198110
198200
198300
198400
198500
198600
198700
198800
198900
199010
199100
199200
199300
199410
199500
199610
199700
199810
199910
200020
200121
200221
200312
200412
200512
200620
200700
200802
200902
201011
201100
201201
201311
201402
201522
201600
201700
201800
201911
202012
202101
202203
202320
202421
202503
202601

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

Recent patents

Most cited

By later US patents