C07C 311/54

Either x or y, but not both, being nitrogen atoms

Official title: either X or Y, but not both, being nitrogen atoms, e.g. N-sulfonylurea

C07C311/54 (Either x or y, but not both, being nitrogen atoms) appears on 227 US grants and 142 published applications in this corpus.

Search patents in C07C
Granted patents
227
Published applications
142
Assignees
118
Inventors
495
Latest grant
5 May 2026

Filings by year

C07C 311/54: granted patents and published applications per publication year
YearGranted patentsPublished applications
197630
197760
197820
197900
198030
198140
198250
198310
198450
198500
198630
198730
198850
198940
199050
199120
199220
1993100
199450
199550
199650
1997110
199830
199940
200070
200141
20022112
2003918
20041810
200567
200616
200744
200865
200922
201023
201112
201222
201352
201402
201545
201625
201757
201833
201952
202015
202139
202227
202379
202456
202534
202634

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

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