US3959461A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hair cream rinse formulations containing quaternary ammonium salts
Assignee: United States Department of Agriculture
•
Filing: 1974-05-28
•
Granted: 1976-05-25
•
Expires: 1994-05-28
Abstract
Abstract New quaternary ammonium salts have been prepared from an amino amide and an amino ester and found to be useful in hair cream rinse formulations.
Inventors
- 👤 August V. Bailey
- 👤 Gene Sumrell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 05:12
CPC Classifications
A; A61; A61Q; A61Q5/00; A61Q5/02; A61K; A61K8/00; A61K8/18; A61K8/30; A61K8/33; A61K8/34; A61K8/342; A61K8/40; A61K8/41; A61K8/416; A61K8/42; A61K8/92; A61K8/925
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
59 words
A hair cream rinse formulation comprising two parts of lanolin, three parts of cetyl alcohol, 85 parts of water, and 10 parts of a quaternary ammonium salt selected from the group consisting of [RCONHCH.sub.2 CH.sub.2 N(CH.sub.3 .sub.2 CH.sub.2 C.sub.6 H.sub.5 ].sup.+ Cl.sup.- and ##EQU4## wherein R is a saturated normal alkyl group of about 11 to 21 carbon atoms.
Claim 2
Dependent Claim
59 words
A hair cream rinse formulation comprising two parts of lanolin, three parts of cetyl alcohol, 85 parts of water, and 10 parts of a quaternary ammonium salt selected from the group consisting of [RCONHCH.sub.2 CH.sub.2 N(CH.sub.3 .sub.2 CH.sub.2 C.sub.6 H.sub.5 ].sup.+ Cl.sup.- and ##EQU4## wherein R is a saturated normal alkyl group of about 11 to 21 carbon atoms.
Claim 3
Dependent Claim
21 words
The formulation according to claim 1 wherein the quaternary salt is: [C.sub.15 H.sub.31 CONHCH.sub.2 CH.sub.2 N(CH.sub.3).sub.2 CH.sub.2 C.sub.6 H.sub.5 ].sup.+ Cl.sup.-
Claim 4
Dependent Claim
12 words
The formulation according to claim 1 wherein the quaternary salt is: ##EQU5##
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1979-05-25 | 1979-11-24 | 1980-05-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1983-05-25 | 1983-11-24 | 1984-05-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1987-05-25 | 1987-11-24 | 1988-05-25 | $7700.00 | Window Closed / Lapsed |