IPC Main Group
C09K 3/00 Materials not provided for elsewhere
Introduced: September 1968
Last revised: January 2006
Classification Context
- Section:
- CHEMISTRY; METALLURGY
- Class:
- DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- Subclass:
- MATERIALS FOR APPLICATIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
10 direct subcodes
Child Classifications
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- C09K 3/1 for sealing or packing joints or covers
- C09K 3/12 for stopping leaks, e.g. in radiators or in tanks
- C09K 3/14 Anti-slip materials; Abrasives
- C09K 3/16 Anti-static materials
- C09K 3/18 for application to surface to minimize adherence of ice, mist or water thereto; Thawing or antifreeze materials for application to surfaces
- C09K 3/2 as substitutes for glycerol in its non-chemical uses, e.g. as a base in toiletry creams or ointments
- C09K 3/22 for dust-laying or dust-absorbing
- C09K 3/24 for simulating ice or snow
- C09K 3/3 for aerosols
- C09K 3/32 for treating liquid pollutants, e.g. oil, gasoline or fat
Top Applicants
Top 10 applicants by patent filingsfor class C09, 2013–2023, worldwide · Source: EPO PATSTAT
- LG CHEM KR 6,420
- NITTO DENKO CORPORATION JP 5,752
- HALLIBURTON ENERGY SERVICES GROUP US 5,650
- 3M INNOVATIVE PROPERTIES COMPANY (MINNESOTA MINING AND MANUFACTURING INNOVATIVE PROPERTIES COMPANY) US 5,635
- DOW GLOBAL TECHNOLOGIES US 4,844
- MERCK PATENT DE 4,779
- CHINESE ACADEMY OF SCIENCES 4,311
- FUJIFILM JP 4,205
- BASF (BADISCHE ANILIN & SODA FABRIK) DE 4,039
- SINOPEC (CHINA PETROCHEMICAL CORPORATION) 3,931