Filings by year

C08G 18/16: granted patents and published applications per publication year
YearGranted patentsPublished applications
1976330
1977490
1978560
1979320
1980390
1981380
1982400
1983370
1984410
1985390
1986310
1987270
1988570
1989290
1990350
1991400
1992630
1993550
1994480
1995470
1996410
1997320
1998480
1999340
2000370
2001305
20023333
20034652
20043568
20052455
20063254
20071374
20081248
20091742
20102052
20111678
20123390
20134683
201466106
201574167
2016112185
2017120255
2018146314
2019206338
2020223382
2021255435
2022223442
2023242326
2024227307
2025223266
2026125207

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