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DIFF Subgroup
D06M 13/46

Compounds containing quaternary nitrogen atoms (hydrazinium compounds D06M13/338; betaines, sulfo-betaines D06M13/342)

Introduced: September 1968

Title

Titles differ between systems:

IPC: Compounds containing quaternary nitrogen atoms

CPC: Compounds containing quaternary nitrogen atoms (hydrazinium compounds D06M13/338; betaines, sulfo-betaines D06M13/342)

Full Title

Full titles differ between systems:

IPC:

Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials with non-macromolecular organic compounds; Such treatment combined with mechanical treatment > with compounds containing nitrogen > Compounds containing quaternary nitrogen atoms

CPC:

Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds (D06M10/00, D06M14/00 take precedence; treatment with complexes of organic amines with inorganic substances D06M11/59); Such treatment combined with mechanical treatment > with compounds containing nitrogen > Compounds containing quaternary nitrogen atoms (hydrazinium compounds D06M13/338; betaines, sulfo-betaines D06M13/342)

Of 4 combined children, 3 exist in both systems.

1 codes are CPC-only extensions.

IPC defines codes here since 1990.

Child Classifications

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  • D06M 13/461 CPC only CPC only
  • D06M 13/463 derived from monoamines since 1990 IPC+CPC Available in IPC and CPC
  • D06M 13/467 derived from polyamines since 1990 IPC+CPC Available in IPC and CPC

Top Applicants

Top Applicants (IPC)

Class D06,2013–2023, worldwide · Source: EPO PATSTAT

  1. QINGDAO HAIER WASHING MACHINE COMPANY 10,520
  2. HAIER SMART HOME 8,532
  3. LG ELECTRONICS KR 7,853
  4. WUXI LITTLE SWAN COMPANY 5,749
  5. QINGDAO HAIER WASHING MACHINE COMPANY CN 2,905
  6. BSH (BOSCH UND SIEMENS HAUSGERAETE) DE 2,785
  7. SAMSUNG ELECTRONICS COMPANY KR 2,662
  8. GREE ELECTRIC APPLIANCES 1,701
  9. PANASONIC INTELLECTUAL PROPERTY 1,391
  10. MIELE DE 1,374

Top Applicants (CPC)

Class D06,2013–2023, worldwide · Source: EPO PATSTAT

  1. LG ELECTRONICS KR 7,955
  2. QINGDAO HAIER WASHING MACHINE COMPANY 7,190
  3. HAIER SMART HOME 5,471
  4. QINGDAO HAIER WASHING MACHINE COMPANY CN 2,962
  5. BSH (BOSCH UND SIEMENS HAUSGERAETE) DE 2,870
  6. WUXI LITTLE SWAN COMPANY 2,869
  7. SAMSUNG ELECTRONICS COMPANY KR 2,731
  8. MIELE DE 1,371
  9. WHIRLPOOL CORPORATION US 1,285
  10. ELECTROLUX APPLIANCES SE 1,261