Filings by year

C01G 1/08: granted patents and published applications per publication year
YearGranted patentsPublished applications
197710
197800
197900
198000
198110
198200
198300
198400
198500
198600
198700
198800
198900
199000
199110
199200
199300
199400
199500
199600
199700
199800
199900
200000
200100
200211
200301
200401
200500
200600
200701
200810
200901
201001
201100
201200
201310
201401
201510

By publication year. Applications have been published since 2001.

Recent patents

Most cited

By later US patents