Skip to content
PCE
Search Classifications
Search for IPC and CPC classification codes or keywords
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

Filing statistics

IPC C09K 3/00 belongs to the parent subclass C09K, which recorded 265,496 patent applications worldwide between 2013 and 2023. Annual filings grew from 22,189 in 2013 to 22,283 in 2023 (+0%), peaking at 26,558 applications in 2018. The most active applicants in class C09 are LG CHEM (6,420 applications), NITTO DENKO CORPORATION (5,752 applications) and HALLIBURTON ENERGY SERVICES GROUP (5,650 applications).

Source: EPO PATSTAT, worldwide filings

10 direct subcodes

Child Classifications

Navigate with arrow keys, Enter to open

  • 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

  1. LG CHEM KR 6,420
  2. NITTO DENKO CORPORATION JP 5,752
  3. HALLIBURTON ENERGY SERVICES GROUP US 5,650
  4. 3M INNOVATIVE PROPERTIES COMPANY (MINNESOTA MINING AND MANUFACTURING INNOVATIVE PROPERTIES COMPANY) US 5,635
  5. DOW GLOBAL TECHNOLOGIES US 4,844
  6. MERCK PATENT DE 4,779
  7. CHINESE ACADEMY OF SCIENCES 4,311
  8. FUJIFILM JP 4,205
  9. BASF (BADISCHE ANILIN & SODA FABRIK) DE 4,039
  10. SINOPEC (CHINA PETROCHEMICAL CORPORATION) 3,931