C08K 5/159

Having more than two oxygen atoms in the ring

Official title: having more than two oxygen atoms in the ring

C08K5/159 (Having more than two oxygen atoms in the ring) appears on 29 US grants and 31 published applications in this corpus.

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Granted patents
29
Published applications
31
Assignees
32
Inventors
102
Latest grant
12 May 2026

Filings by year

C08K 5/159: granted patents and published applications per publication year
YearGranted patentsPublished applications
197810
197910
198000
198140
198210
198300
198410
198500
198600
198700
198800
198900
199000
199100
199210
199300
199400
199500
199600
199700
199800
199900
200000
200110
200201
200300
200400
200501
200601
200702
200802
200900
201011
201111
201200
201301
201410
201522
201601
201702
201811
201922
202024
202114
202230
202331
202402
202500
202622

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

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