Filings by year

C08G 77/18: granted patents and published applications per publication year
YearGranted patentsPublished applications
197680
197760
1978120
197980
1980120
1981140
198240
1983120
1984190
1985250
198660
1987120
1988120
1989100
1990150
1991140
1992210
1993230
1994250
1995240
1996230
1997280
1998350
1999240
2000140
2001292
20022119
20032228
20042638
20051533
20061736
20071133
20081339
20092339
20102559
20113458
20124831
20133635
20144234
20152341
20163348
20174177
20184270
20195883
202069131
202170118
202263126
202365104
20246977
20258665
20264564

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

Recent patents

Most cited

By later US patents