Filings by year

C09C 1/42: granted patents and published applications per publication year
YearGranted patentsPublished applications
1976140
1977100
197870
197920
198050
198150
198230
198360
198490
198530
198660
198770
1988100
1989230
1990190
1991170
1992250
1993170
1994160
1995120
1996150
1997130
1998160
1999120
2000200
2001113
20021510
20031923
20041522
2005623
2006839
20071828
20081130
20091331
20101730
20112133
20121023
20132117
20141620
2015127
20161012
20171216
20181113
2019614
202059
20211113
202289
202387
202489
202547
202643

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

Recent patents

Most cited

By later US patents