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DIFF Subgroup
C09D 7/40

Additives

Introduced: January 2018

Full Title

Full titles differ between systems:

IPC:

Features of coating compositions, not provided for in group; Processes for incorporating ingredients in coating compositions > Additives

CPC:

Features of coating compositions, not provided for in group C09D5/00 (driers C09F9/00); Processes for incorporating ingredients in coating compositions > Additives

Of 11 combined children, 9 exist in both systems.

2 codes are CPC-only extensions.

2 shared codes have differing titles between IPC and CPC.

IPC defines codes here since 2018.

Child Classifications

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  • C09D 7/41 Organic pigments; Organic dyes since 2018 IPC+CPC Available in IPC and CPC
  • C09D 7/42 Gloss-reducing agents since 2018 IPC+CPC Available in IPC and CPC
  • C09D 7/45 Anti-settling agents since 2018 IPC+CPC Available in IPC and CPC
  • C09D 7/46 Anti-skinning agents since 2018 IPC+CPC Available in IPC and CPC
  • C09D 7/47 Levelling agents since 2018 IPC+CPC Available in IPC and CPC
  • C09D 7/48 Stabilisers against degradation by oxygen, light or heat since 2018 IPC+CPC Available in IPC and CPC
  • C09D 7/65 macromolecular (C09D7/41-C09D7/48 take precedence) since 2018 IPC+CPC Available in IPC and CPC
  • C09D 7/70 CPC only CPC only

Top Applicants

Top Applicants (IPC)

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

Top Applicants (CPC)

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