Filings by year

C07C 2/68: granted patents and published applications per publication year
YearGranted patentsPublished applications
197640
197790
1978120
197940
198050
198130
198240
198300
198440
198550
198600
198710
198810
198900
199020
199100
199210
199310
199410
199510
199610
199710
199830
199940
200010
200100
200201
200300
200400
200511
200613
200722
200810
200911
201001
201101
201221
201334
201422
201522
201624
201742
201815
201921
202022
202121
202211
202320
202400
202500
202601

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

Recent patents

Most cited

By later US patents