A61K 31/28

Compounds containing heavy metals

A61K31/28 (Compounds containing heavy metals) appears on 1,988 US grants and 3,271 published applications in this corpus.

Search patents in A61K
Granted patents
1,988
Published applications
3,271
Assignees
1,575
Inventors
5,989
Latest grant
6 Oct 2026

Filings by year

A61K 31/28: granted patents and published applications per publication year
YearGranted patentsPublished applications
197640
197730
197860
197970
198040
198130
198230
198310
198480
198520
1986110
198790
198860
1989120
1990190
1991150
1992180
1993280
1994140
1995190
1996200
1997260
1998390
1999350
2000440
20014417
20025050
20033086
200430123
200532110
200628118
200724126
200827108
200926116
201037115
201167103
20125194
201363150
201482175
2015103156
2016112147
2017102167
201887157
2019105176
2020104154
202191185
202283162
202355113
202476164
202581107
20264292

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

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