US4045358A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Softener and bleaching composition
Assignee: Colgate Palmolive Co
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Filing: 1975-09-18
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Granted: 1977-08-30
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Expires: 1995-09-18
Abstract
Abstract A non-yellowing fabric softening composition having improved whitening properties comprising a cationic softener, preferably a quaternary ammonium softener, and a perphthalic acid in the weight ratio of 4:1 to 1:1 of cationic:perphthalic acid.
Inventors
- 👤 Pallassana Ramachandran
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 17:08
CPC Classifications
C; C11; C11D; C11D3/00; C11D3/39; C11D3/3945; C11D1/00; C11D1/38; C11D1/62; C11D3/0005; C11D3/001; D; D06; D06L; D06L4/00; D06L4/10; D06L4/15; D06M; D06M13/00; D06M13/10; D06M13/184; D06M13/196; D06M13/322; D06M13/46
Claims Analysis
Total Claims: 11
Claim 1
Independent Claim
118 words
A non-yellowing fabric softening composition comprising a. a quaternary ammonium compound selected from the group consisting of those having the formulae: ##STR2## ##STR3## wherein R 1 is a long chain aliphatic radical having from 18 to 22 carbon atoms, R 2 is a long chained aliphatic radical having from 18 to 22 carbon atoms, R 3 and R 4 are lower alkyl radicals, e.g. C 1 to C 4 , R 5 is long chain aliphatic radical of from 12-22 carbon atoms, n is a number between 1 and 15 and X is a water soluble salt forming anion, b. and a perphthalic acid bleach in a weight ratio of (a) to (b) of from 4:1 to 1:1.
Claim 2
Dependent Claim
118 words
A non-yellowing fabric softening composition comprising a. a quaternary ammonium compound selected from the group consisting of those having the formulae: ##STR2## ##STR3## wherein R 1 is a long chain aliphatic radical having from 18 to 22 carbon atoms, R 2 is a long chained aliphatic radical having from 18 to 22 carbon atoms, R 3 and R 4 are lower alkyl radicals, e.g. C 1 to C 4 , R 5 is long chain aliphatic radical of from 12-22 carbon atoms, n is a number between 1 and 15 and X is a water soluble salt forming anion, b. and a perphthalic acid bleach in a weight ratio of (a) to (b) of from 4:1 to 1:1.
Claim 3
Dependent Claim
16 words
A composition as defined in claim 1 where (a) is a water-soluble dimethyl distearyl ammonium salt.
Claim 4
Dependent Claim
12 words
A composition as defined in claim 2 wherein (b) is diperisophthalic acid.
Claim 5
Dependent Claim
15 words
A composition as defined in claim 1 wherein (a) is a water-soluble 1-hydroxyethyl-1-methyl-2-heptadecyl imidazolinium salt.
Claim 6
Dependent Claim
12 words
A composition as defined in claim 4 wherein (b) is diperisophthalic acid.
Claim 7
Dependent Claim
17 words
A composition as defined in claim 3 wherein the ratio of (a) to (b) is about 4:1.
Claim 8
Dependent Claim
17 words
A composition as defined in claim 5 wherein the ratio of (a) to (b) is about 4:1.
Claim 9
Dependent Claim
31 words
In the process of softening fabrics, the improvement which comprises treating the fabrics with an aqueous solution of the composition of claim 1, in an amount sufficient to soften said fabrics
Claim 10
Dependent Claim
25 words
A composition as defined in claim 1 wherein (b) is stabilized with an alkali metal or alkaline earth metal salt of a highly ionized acid.
Claim 11
Dependent Claim
29 words
A composition as defined in claim 9 wherein (b) is encapsulated with a hydrated salt of said alkali metal or alkaline earth metal salt of a highly ionized acid.
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) | 1980-08-29 | 1981-02-28 | 1981-08-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1984-08-29 | 1985-02-28 | 1985-08-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1988-08-29 | 1989-02-28 | 1989-08-30 | $7700.00 | Window Closed / Lapsed |