C09D 11/50

Sympathetic, colour changing or similar inks

C09D11/50 (Sympathetic, colour changing or similar inks) appears on 1,179 US grants and 1,355 published applications in this corpus.

Search patents in C09D
Granted patents
1,179
Published applications
1,355
Assignees
545
Inventors
2,658
Latest grant
29 Sep 2026

Filings by year

C09D 11/50: granted patents and published applications per publication year
YearGranted patentsPublished applications
197620
197760
197860
1979100
1980100
198150
198220
198330
198470
198560
198650
198710
198810
198950
199060
199170
1992190
199370
1994140
199590
1996150
1997130
1998140
1999190
2000190
2001186
20021637
20031743
20044141
20052558
20063222
20072537
20083459
20092552
20103157
20115232
20124342
20132644
20143159
20153349
20164545
20175668
20183558
20193466
20204067
20214784
20225495
20234969
20245269
20257050
20263746

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

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