A61K 31/43

Compounds containing 4-thia-1-azabicyclo [3.2.0] heptane ring systems, i.e. compounds containing a ring

Official title: Compounds containing 4-thia-1-azabicyclo [3.2.0] heptane ring systems, i.e. compounds containing a ring system of the formula [IMAGE cpc-sch-A61K-0952.gif], e.g. penicillins, penems

A61K31/43 (Compounds containing 4-thia-1-azabicyclo [3.2.0] heptane ring systems, i.e. compounds containing a ring) appears on 990 US grants and 1,404 published applications in this corpus.

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A61K 31/43: granted patents and published applications per publication year
YearGranted patentsPublished applications
1976180
197770
1978120
197950
198080
1981140
198270
1983120
1984180
1985260
198650
198780
198850
198960
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199170
199240
199360
199410
199570
199620
1997170
1998110
1999140
2000160
2001168
20022233
20032334
20041453
2005930
20061245
20071841
2008533
20091040
20102336
20111749
20122735
20132441
20143092
20152973
20165397
20175772
20184977
20194477
20204977
20215191
20223466
20234262
20243660
20253346
20261936

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