US3793210A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Keto acid containing compositions
Assignee: Colgate Palmolive Co
•
Filing: 1971-09-03
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Granted: 1974-02-19
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Expires: 1991-09-03
Abstract
Abstract Improved surfactant and shampoo compositions which have improved solubility and foaming characteristics, which compositions comprise a keto acid in combination with surfactants, brighteners, conditioners, and the like.
Inventors
- 👤 G Corey
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 16:15
CPC Classifications
A; A61; A61Q; A61Q5/00; A61Q5/02; A61K; A61K8/00; A61K8/18; A61K8/30; A61K8/33; A61K8/36; A61K8/365; C; C11; C11D; C11D3/00; C11D3/16; C11D3/20; C11D3/2075
Claims Analysis
Total Claims: 7
Claim 1
Independent Claim
26 words
The composition of claim 1 wherein said keto acid is chosen from the group consisting of levulinic acid, glyoxylic acid and pyruvic acid and mixtures thereof.
Claim 2
Dependent Claim
18 words
The composition of claim 1 wherein said composition has a pH of from about 3 to about 7.
Claim 3
Dependent Claim
12 words
The composition of claim 1 wherein the surfactant is diethanolamine lauryl sulfate.
Claim 4
Dependent Claim
50 words
A detergent composition consisting essentially of from about 50 to 94.5 percent water, from about 5 to about 40 percent detergent selected from the group consisting of ampholytic, nonionic, cationic and anionic surfactants and mixtures thereof and from about 0.5 to 10 percent of a keto acid of the formula
Claim 5
Dependent Claim
12 words
The composition of claim 5, wherein said keto acid is glyoxylic acid.
Claim 6
Dependent Claim
12 words
The composition of claim 5, wherein said keto acid is pyruvic acid.
Claim 7
Dependent Claim
12 words
The composition of claim 5 wherein the keto acid is levulinic acid.
References Cited (Backward Citations)
US2674580A
Cited
US3218234A
Cited
US3267136A
Cited
US3451937A
Cited
US3524877A
Cited
US3590122A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1977-02-18 | 1977-08-20 | 1978-02-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-02-18 | 1981-08-20 | 1982-02-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-02-18 | 1985-08-20 | 1986-02-19 | $7700.00 | Window Closed / Lapsed |