A61K 31/155

Amidines

Official title: Amidines ([IMAGE cpc-sch-A61K-1029.gif]), e.g. guanidine (H2N—C(=NH)—NH2), isourea (N=C(OH)—NH2), isothiourea (—N=C(SH)—NH2)

A61K31/155 (Amidines) appears on 1,944 US grants and 3,438 published applications in this corpus.

Search patents in A61K
Granted patents
1,944
Published applications
3,438
Assignees
1,479
Inventors
5,752
Latest grant
6 Oct 2026

Filings by year

A61K 31/155: granted patents and published applications per publication year
YearGranted patentsPublished applications
1976130
1977170
197860
197910
198050
198150
198240
198340
198410
198550
198630
198710
198830
198940
199070
199160
1992150
1993230
1994230
1995130
1996150
1997230
1998320
1999350
2000280
20013312
20023635
20032563
20041974
20051993
20061870
20072098
20081067
20091178
20102595
201133130
201260146
201374140
201491174
201588190
201699199
2017129210
2018123196
2019125173
2020104206
2021111234
202284211
202383158
202491176
202584111
20265799

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

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