Filings by year

C08G 63/688: granted patents and published applications per publication year
YearGranted patentsPublished applications
1976120
1977190
1978340
197990
1980140
1981220
198280
1983150
1984170
1985160
1986190
198790
198890
1989130
1990130
1991160
1992170
1993130
1994260
1995160
1996180
1997150
1998200
1999110
2000130
2001145
2002912
20031727
20041121
20051817
20061523
2007917
2008129
2009911
2010510
2011913
2012915
20131223
20141818
20151510
20161014
20171315
2018822
20191231
20201324
20212225
20221632
20231236
20241124
20251721
20261615

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

Subgroups

Granted patents

Recent patents

Most cited

By later US patents