Filings by year

C07C 47/23: granted patents and published applications per publication year
YearGranted patentsPublished applications
197810
197900
198020
198100
198200
198300
198400
198500
198600
198700
198800
198900
199010
199110
199200
199300
199400
199500
199600
199700
199800
199900
200010
200110
200201
200300
200401
200500
200600
200700
200800
200910
201000
201100
201200
201300
201400
201500
201600
201700
201802
201920

By publication year. Applications have been published since 2001.

Recent patents

Most cited

By later US patents