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US4281201A Expired / Lapsed US ⏱️ 0.0 years remaining

Tertiary amines for use in water base hair care compositions

Assignee: Lonza LLC
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Filing: 1979-12-10
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Granted: 1981-07-28
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Expires: 1999-12-10
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Abstract

Abstract This invention relates to compounds of the formula: <IMAGE> including derivatives thereof. The subject compounds have been found to be particularly useful as cationic emulsifiers and exhibit many desirable properties in connection with personal care compositions.

Inventors

  • 👤 Phillip G. Abend

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-04 10:45
CPC Classifications
A; A61; A61Q; A61Q5/00; A61Q5/12; A61K; A61K8/00; A61K8/18; A61K8/30; A61K8/40; A61K8/41; A61Q19/00

Claims Analysis

Total Claims: 4
Claim 1
Independent Claim 44 words
A tertiary amine having the formula: ##STR12## wherein R is a linear C 8 to C 20 alkyl group, and R' is a hydroxyalkyl or polyhydroxyalkyl group having from 1 to 10 carbon atoms and having from one to five hydroxy groups per R'.
Claim 2
Dependent Claim 44 words
A tertiary amine having the formula: ##STR12## wherein R is a linear C 8 to C 20 alkyl group, and R' is a hydroxyalkyl or polyhydroxyalkyl group having from 1 to 10 carbon atoms and having from one to five hydroxy groups per R'.
Claim 3
Dependent Claim 22 words
An amine according to claim 1 of the formula (C 8 H 17 CHOHCH 2 ) 2 NCH 2 CH 2 OH
Claim 4
Dependent Claim 22 words
An amine according to claim 1 of the formula (C 16 H 33 CHOHCH 2 ) 2 NCH 2 CH 2 OH

References Cited (Backward Citations)

US2856363A Cited
US3239565A Cited
US3365435A Cited
US3457313A Cited
US3558711A Cited
US3697423A Cited
US3928422A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1984-07-27 1985-01-26 1985-07-28 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1988-07-27 1989-01-26 1989-07-28 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1992-07-27 1993-01-26 1993-07-28 $7700.00 Window Closed / Lapsed

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