Filings by year

C07C 63/20: granted patents and published applications per publication year
YearGranted patentsPublished applications
198310
198400
198500
198600
198700
198800
198900
199000
199100
199200
199310
199410
199500
199600
199700
199800
199900
200000
200100
200200
200300
200400
200500
200600
200702
200800
200900
201000
201111
201200
201301
201400
201500
201600
201710
201801
201910

By publication year. Applications have been published since 2001.

Recent patents

Most cited

By later US patents