Filings by year

C04B 38/0625: granted patents and published applications per publication year
YearGranted patentsPublished applications
198410
198500
198600
198700
198800
198900
199000
199100
199200
199300
199400
199500
199600
199700
199810
199900
200000
200100
200200
200311
200401
200500
200601
200701
200800
200901
201000
201100
201201
201300
201401
201500
201620
201700
201801
201901
202012
202111
202222
202301
202420

By publication year. Applications have been published since 2001.

Recent patents

Most cited

By later US patents