C08J 3/20

Compounding polymers with additives

Official title: Compounding polymers with additives, e.g. colouring

C08J3/20 (Compounding polymers with additives) appears on 3,907 US grants and 5,102 published applications in this corpus.

Search patents in C08J
Granted patents
3,907
Published applications
5,102
Assignees
2,264
Inventors
12,787
Latest grant
6 Oct 2026

Filings by year

C08J 3/20: granted patents and published applications per publication year
YearGranted patentsPublished applications
1976320
1977360
1978330
1979220
1980220
1981250
1982300
1983280
1984320
1985240
1986180
1987320
1988420
1989420
1990380
1991540
1992500
1993460
1994390
1995330
1996370
1997300
1998510
1999490
2000560
20014820
20027074
20035988
20046896
20053692
200653103
200734139
200833116
200941110
201084164
201191158
201293153
201380171
2014102173
2015137220
2016161231
2017171252
2018179273
2019175342
2020207335
2021216282
2022192277
2023203333
2024191342
2025175300
2026107258

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

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