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DIFF Main Group
C08K 13/00

Use of mixtures of ingredients not covered by one single of the preceding main groups, each of these compounds being essential

Introduced: January 1985

Title

Titles differ between systems:

IPC: Use of mixtures of ingredients not covered by any single one of main groups , each of these compounds being essential

CPC: Use of mixtures of ingredients not covered by one single of the preceding main groups, each of these compounds being essential

Full Title

Full titles differ between systems:

IPC:

Use of mixtures of ingredients not covered by any single one of main groups , each of these compounds being essential

CPC:

Use of mixtures of ingredients not covered by one single of the preceding main groups, each of these compounds being essential

IPC and CPC are identically structured here. All 4 subcodes exist in both systems.

2 shared codes have differing titles between IPC and CPC.

IPC defines codes here since 1985.

Child Classifications

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  • C08K 13/02 Organic and inorganic ingredients since 1985 IPC+CPC Available in IPC and CPC
  • C08K 13/04 Ingredients characterised by their shape and organic or inorganic ingredients since 1985 IPC+CPC Available in IPC and CPC
  • C08K 13/06 Pretreated ingredients and ingredients covered by the main groups C08K3/00 - C08K7/00 since 1985 IPC+CPC Available in IPC and CPC
  • C08K 13/08 Ingredients of unknown constitution and ingredients covered by the main groups C08K3/00 - C08K9/00 since 1985 IPC+CPC Available in IPC and CPC

Top Applicants

Top Applicants (IPC)

Class C08,2013–2023, worldwide · Source: EPO PATSTAT

  1. LG CHEM KR 14,262
  2. DOW GLOBAL TECHNOLOGIES US 12,486
  3. BASF (BADISCHE ANILIN & SODA FABRIK) DE 9,858
  4. SINOPEC (CHINA PETROCHEMICAL CORPORATION) 7,877
  5. CHINESE ACADEMY OF SCIENCES 6,993
  6. FUJIFILM JP 5,049
  7. 3M INNOVATIVE PROPERTIES COMPANY (MINNESOTA MINING AND MANUFACTURING INNOVATIVE PROPERTIES COMPANY) US 4,923
  8. SHIN-ETSU CHEMICAL COMPANY JP 4,517
  9. BOREALIS AT 4,213
  10. ARKEMA FR 4,098

Top Applicants (CPC)

Class C08,2013–2023, worldwide · Source: EPO PATSTAT

  1. LG CHEM KR 15,432
  2. DOW GLOBAL TECHNOLOGIES US 14,214
  3. BASF (BADISCHE ANILIN & SODA FABRIK) DE 11,155
  4. 3M INNOVATIVE PROPERTIES COMPANY (MINNESOTA MINING AND MANUFACTURING INNOVATIVE PROPERTIES COMPANY) US 6,455
  5. FUJIFILM JP 6,178
  6. CHINESE ACADEMY OF SCIENCES 5,569
  7. SHIN-ETSU CHEMICAL COMPANY JP 5,506
  8. SINOPEC (CHINA PETROCHEMICAL CORPORATION) 5,443
  9. TORAY INDUSTRIES JP 4,635
  10. NITTO DENKO CORPORATION JP 4,620