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PCE
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DIFF Subgroup
C11D 3/26

containing nitrogen

Introduced: September 1968

Full Title

Full titles differ between systems:

IPC:

Other compounding ingredients of detergent compositions covered in group > Organic compounds > containing nitrogen

CPC:

Other compounding ingredients of detergent compositions covered in group C11D1/00 > Organic compounds > containing nitrogen

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

Child Classifications

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  • C11D 3/28 Heterocyclic compounds containing nitrogen in the ring IPC+CPC Available in IPC and CPC
  • C11D 3/30 Amines; Substituted amines IPC+CPC Available in IPC and CPC
  • C11D 3/33 Amino carboxylic acids since 1974 IPC+CPC Available in IPC and CPC

Top Applicants

Top Applicants (IPC)

Class C11,2013–2023, worldwide · Source: EPO PATSTAT

  1. P&G (PROCTER & GAMBLE COMPANY) US 5,930
  2. HENKEL DE 3,288
  3. BASF (BADISCHE ANILIN & SODA FABRIK) DE 2,162
  4. ECOLAB US 1,454
  5. UNILEVER NL 1,430
  6. NOVOZYMES DK 1,366
  7. UNILEVER IP HOLDINGS NL 1,227
  8. CONOPCO, INC., D/B/A UNILEVER US 1,022
  9. KAO CORPORATION 947
  10. KAO CORPORATION JP 853

Top Applicants (CPC)

Class C11,2013–2023, worldwide · Source: EPO PATSTAT

  1. P&G (PROCTER & GAMBLE COMPANY) US 6,498
  2. HENKEL DE 3,445
  3. BASF (BADISCHE ANILIN & SODA FABRIK) DE 2,409
  4. ECOLAB US 1,614
  5. NOVOZYMES DK 1,609
  6. UNILEVER NL 1,468
  7. UNILEVER IP HOLDINGS NL 1,246
  8. CONOPCO, INC., D/B/A UNILEVER US 1,048
  9. UNILEVER GB 1,039
  10. FIRMENICH CH 964