CPC Subgroup
C09B 62/002 with the linkage of the reactive group being alternatively specified
Full Title
Reactive dyes, i.e. dyes which form covalent bonds with the substrates or which polymerise with themselves > with the linkage of the reactive group being alternatively specified
6 direct subcodes
Child Classifications
Navigate with arrow keys, Enter to open
- C09B 62/004 Anthracene dyes
- C09B 62/006 Azodyes
- C09B 62/014 Nitro dyes
- C09B 62/016 Porphines; Azaporphines
- C09B 62/018 Formazane dyes
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