Filings by year

C07C 2523/42: granted patents and published applications per publication year
YearGranted patentsPublished applications
1976310
1977360
1978220
1979220
1980230
1981160
1982140
198360
1984110
198530
198600
198780
198880
198990
199090
199180
1992100
199330
199450
1995190
1996130
1997120
1998240
1999220
2000240
2001312
20022020
20032019
20041327
2005520
2006159
20071314
2008816
20091013
20101414
2011621
20121030
20131520
20142339
20153139
20162629
20173723
20181822
20193231
20202731
20211725
20223017
20231625
20241527
20251422
20261225

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

Recent patents

Most cited

By later US patents