C09K 19/3028

In which at least two rings are linked by a carbon chain

Official title: {in which at least two rings are linked by a carbon chain containing carbon to carbon single bonds}

C09K19/3028 (In which at least two rings are linked by a carbon chain) appears on 436 US grants and 377 published applications in this corpus.

Search patents in C09K
Granted patents
436
Published applications
377
Assignees
71
Inventors
583
Latest grant
4 Aug 2026

Filings by year

C09K 19/3028: granted patents and published applications per publication year
YearGranted patentsPublished applications
198110
198200
198330
198430
198510
198670
198780
198830
198970
199010
199140
199250
1993120
1994150
199590
199680
199750
1998120
1999120
2000170
2001111
200259
200387
200468
2005610
2006105
200734
200865
200937
201094
2011525
2012913
20132224
20141415
20152228
20161931
20171521
20181740
20192824
20202129
20211516
2022148
2023914
2024116
2025616
202697

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

Subgroups

Granted patents
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