CPC Subgroup
C09D 101/08 Cellulose derivatives
Full Title
Coating compositions based on cellulose, modified cellulose, or cellulose derivatives > Cellulose derivatives
6 direct subcodes
Child Classifications
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- C09D 101/10 Esters of organic acids (of both organic acids and inorganic acids C09D101/20)
- C09D 101/16 Esters of inorganic acids (of both organic acids and inorganic acids C09D101/20)
- C09D 101/20 Esters of both organic acids and inorganic acids
- C09D 101/22 Cellulose xanthate
- C09D 101/26 Cellulose ethers
- C09D 101/32 Cellulose ether-esters
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