Filings by year

C08G 18/75: granted patents and published applications per publication year
YearGranted patentsPublished applications
1976120
1977160
197890
197990
198080
1981130
198250
1983140
1984150
1985130
1986130
1987100
1988150
1989210
1990170
1991120
1992140
1993120
199480
199560
1996100
199760
1998210
1999160
2000160
2001194
20021417
20031958
20042544
20051646
20063041
20072074
20082568
200927101
201036102
201148143
201258128
201381125
201494113
201599158
2016102151
2017135209
2018121209
2019160253
2020169300
2021192291
2022164312
2023183247
2024177211
2025162152
202686118

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