C07C 311/53

X and y not being nitrogen atoms

Official title: X and Y not being nitrogen atoms, e.g. N-sulfonylcarbamic acid

C07C311/53 (X and y not being nitrogen atoms) appears on 53 US grants and 57 published applications in this corpus.

Search patents in C07C
Granted patents
53
Published applications
57
Assignees
45
Inventors
216
Latest grant
24 Mar 2026

Filings by year

C07C 311/53: granted patents and published applications per publication year
YearGranted patentsPublished applications
197610
197700
197800
197900
198010
198110
198200
198300
198400
198500
198610
198700
198800
198900
199000
199100
199200
199320
199420
199510
199610
199730
199810
199910
200030
200130
200211
200332
200402
200501
200625
200722
200815
200913
201012
201122
201223
201310
201411
201521
201621
201702
201812
201921
202011
202112
202201
202307
202424
202534
202612

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

Recent patents

Most cited

By later US patents