CPC Subgroup
C09D 11/30 Inkjet printing inks
Full Title
Inks > Inkjet printing inks
5 direct subcodes
Child Classifications
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- C09D 11/32 characterised by colouring agents
- C09D 11/34 Hot-melt inks
- C09D 11/36 based on non-aqueous solvents
- C09D 11/38 characterised by non-macromolecular additives other than solvents, pigments or dyes
- C09D 11/40 Ink-sets specially adapted for multi-colour inkjet printing
Top Applicants
Top 10 applicants by patent filingsfor class C09, 2013–2023, worldwide · Source: EPO PATSTAT
- LG CHEM KR 7,954
- HALLIBURTON ENERGY SERVICES GROUP US 6,584
- NITTO DENKO CORPORATION JP 6,500
- 3M INNOVATIVE PROPERTIES COMPANY (MINNESOTA MINING AND MANUFACTURING INNOVATIVE PROPERTIES COMPANY) US 6,490
- DOW GLOBAL TECHNOLOGIES US 6,324
- FUJIFILM JP 5,832
- MERCK PATENT DE 5,481
- BASF (BADISCHE ANILIN & SODA FABRIK) DE 5,147
- SAMSUNG DISPLAY KR 5,105
- NITTO DENKO CORPORATION 3,584