Granted patents
186
Published applications
166
Assignees
107
Inventors
550
Latest grant
26 May 2026

Filings by year

C08G 63/189: granted patents and published applications per publication year
YearGranted patentsPublished applications
197610
197730
197810
197900
198000
198100
198200
198300
198400
198500
198600
198700
198800
198910
199000
199130
199220
199360
199460
199550
199640
199750
199880
199990
2000140
2001121
2002138
200384
200422
200501
200623
200712
200833
200924
201025
201128
201242
201337
201421
201543
201623
2017210
201849
201965
202046
2021816
2022714
2023610
2024720
2025811
202648

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

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By later US patents