C07C 257/04

Without replacement of the other oxygen atom of the carboxyl group

Official title: without replacement of the other oxygen atom of the carboxyl group, e.g. imino-ethers

C07C257/04 (Without replacement of the other oxygen atom of the carboxyl group) appears on 125 US grants and 83 published applications in this corpus.

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Granted patents
125
Published applications
83
Assignees
78
Inventors
308
Latest grant
16 Jun 2026

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C07C 257/04: granted patents and published applications per publication year
YearGranted patentsPublished applications
197710
197820
197900
198000
198100
198210
198310
198400
198530
198600
198700
198800
198940
199060
199130
199220
199350
199460
199560
199640
199730
199820
199940
200010
200150
200243
200339
200445
200572
200659
200743
200815
200935
201046
201124
201274
201313
201432
201514
201642
201711
201822
201911
202002
202111
202203
202322
202423
202500
202642

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

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