Filings by year

C07C 1/22: granted patents and published applications per publication year
YearGranted patentsPublished applications
197650
197760
197830
197930
198030
198100
198220
198350
198460
198540
198620
198700
198800
198900
199010
199120
199220
199300
199400
199510
199600
199700
199820
199910
200010
200100
200220
200302
200411
200511
200602
200712
200802
200916
201014
201138
201217
20131253
20142267
20154058
20163220
2017368
20182315
20191612
20201118
20211114
2022912
20231122
20241717
2025139
202697

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

Recent patents

Most cited

By later US patents