Filings by year

C01F 7/476: granted patents and published applications per publication year
YearGranted patentsPublished applications
198010
198100
198200
198300
198400
198500
198610
198720
198800
198910
199010
199110
199200
199300
199400
199500
199600
199700
199800
199900
200000
200100
200200
200311
200401
200500
200610
200700
200800
200900
201000
201100
201201
201300
201401

By publication year. Applications have been published since 2001.

Recent patents

Most cited

By later US patents