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US4874554A Expired / Lapsed US ⏱️ 0.0 years remaining

Quaternary ammonium compounds

Assignee: Henkel AG and Co KGaA
•
Filing: 1987-07-10
•
Granted: 1989-10-17
•
Expires: 2007-07-10
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Abstract

Abstract Quaternary ammonium compounds corresponding to the formula <IMAGE> are produced by esterification of ether amines corresponding to the formula <IMAGE> with a fatty acid of the formula R2-COOH and quaternization of the product obtained with an alkyl halide or a dialkyl sulfate. They are suitable for use as conditioning and revitalizing agents in hair-cosmetic preparations.

Inventors

  • 👤 Fritz Lange
  • 👤 Peter Busch
  • 👤 Klaus Thiele

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-31 13:43
CPC Classifications
A; A61; A61Q; A61Q5/00; A61Q5/02; A61K; A61K8/00; A61K8/18; A61K8/30; A61K8/40; A61K8/45; A61Q5/12

Claims Analysis

Total Claims: 6
Claim 1
Independent Claim 96 words
A quaternary ammonium compound of the formula: ##STR5## wherein: R 1 is a C 8-22 alkyl; R 2 is a C 7-21 alkyl; R 3 is a --(C 2 H 4 O) z --H, or --(C 2 H 4 O) z --COR 2 ; R 4 is a C 1-4 alkyl or benzyl; n is 2 or 3; x is a number from 1 to 10; y and z are each a number from 1 to 10; and A is chloride, bromide, or R 5 OSO 3 (-) where R 5 is a C 1-4 alkyl.
Claim 2
Dependent Claim 96 words
A quaternary ammonium compound of the formula: ##STR5## wherein: R 1 is a C 8-22 alkyl; R 2 is a C 7-21 alkyl; R 3 is a --(C 2 H 4 O) z --H, or --(C 2 H 4 O) z --COR 2 ; R 4 is a C 1-4 alkyl or benzyl; n is 2 or 3; x is a number from 1 to 10; y and z are each a number from 1 to 10; and A is chloride, bromide, or R 5 OSO 3 (-) where R 5 is a C 1-4 alkyl.
Claim 3
Dependent Claim 20 words
The compound of claim 1 wherein y and z are each, 1, R 4 is methyl, and A is chloride.
Claim 4
Dependent Claim 15 words
The compound of claim 1 having the formula: cocos-(C 12-18 )-alkyl poly(6)oxyethyl di-(2-lauroyloxyethyl)-methyl ammonium chloride.
Claim 5
Dependent Claim 14 words
The compound of claim 1 having the formula: cocos-(C 12-18 )-alkyl poly(6)oxyethyl-2-lauroyloxyethyl-2-hydroxyethyl-methyl ammonium chloride.
Claim 6
Dependent Claim 14 words
The compound of claim 1 having the formula: lauryl myristyl poly(3)oxyethyl di-(2-lauroyloxyethyl)-methyl ammonium chloride.

References Cited (Backward Citations)

US2653156A Cited
GB1087413A Cited
US4638089A Cited
EP0102140A1 Cited
DE3504242A1 Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1992-10-16 1993-04-17 1993-10-17 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1996-10-16 1997-04-17 1997-10-17 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 2000-10-16 2001-04-17 2001-10-17 $7700.00 Window Closed / Lapsed

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