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CPC Subclass Not Allocatable
C09J

ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES (preparation of glue or gelatine C09H)

Description

C09J covers adhesive compositions and the chemical/material aspects of adhesive bonding, excluding mechanical application methods. The subclass encompasses adhesives based on various chemical families (synthetic polymers, natural resins, elastomers, inorganic binders), adhesive formulations with specific performance characteristics, and processes for preparing or modifying adhesive materials. It includes novel uses of substances as adhesives and adhesive technologies not classified in other chemical or application-specific sections (such as C09K for sealing or lubricating compositions, or specific end-use classes like textiles or construction).

Filing statistics

CPC subclass C09J recorded 160,928 patent applications worldwide between 2013 and 2023. Annual filings grew from 10,181 in 2013 to 12,752 in 2023 (+25%), peaking at 17,494 applications in 2020. The most active applicants in class C09 are LG CHEM (7,954 applications), HALLIBURTON ENERGY SERVICES GROUP (6,584 applications) and NITTO DENKO CORPORATION (6,500 applications).

Source: EPO PATSTAT, worldwide filings

97 direct subcodes

Child Classifications

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  • C09J 117/00 Adhesives based on reclaimed rubber

Top Applicants

Top 10 applicants by patent filingsfor class C09, 2013–2023, worldwide · Source: EPO PATSTAT

  1. LG CHEM KR 7,954
  2. HALLIBURTON ENERGY SERVICES GROUP US 6,584
  3. NITTO DENKO CORPORATION JP 6,500
  4. 3M INNOVATIVE PROPERTIES COMPANY (MINNESOTA MINING AND MANUFACTURING INNOVATIVE PROPERTIES COMPANY) US 6,490
  5. DOW GLOBAL TECHNOLOGIES US 6,324
  6. FUJIFILM JP 5,832
  7. MERCK PATENT DE 5,481
  8. BASF (BADISCHE ANILIN & SODA FABRIK) DE 5,147
  9. SAMSUNG DISPLAY KR 5,105
  10. NITTO DENKO CORPORATION 3,584