US4178255A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Detergent compositions
Assignee: Colgate Palmolive Co
•
Filing: 1978-05-15
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Granted: 1979-12-11
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Expires: 1998-05-15
Abstract
Abstract Laundry detergent compositions containing metakaolin and, preferably, a quaternary ammonium fabric softener.
Inventors
- 👤 Joseph F. Stima
- 👤 Ronald S. Schreiber
- 👤 Annie S. Giordano
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 18:19
CPC Classifications
C; C11; C11D; C11D3/00; C11D3/02; C11D3/12; C11D3/124; C11D3/1246; C11D3/1253; C11D3/126; C11D1/00; C11D1/38; C11D1/62; C11D3/0005; C11D3/001
Claims Analysis
Total Claims: 16
Claim 1
Independent Claim
23 words
A detergent composition comprising a surface active detergent and metakaolin, the ratio of metakaolin to surface active detergent being at least about 0.8:1.
Claim 2
Dependent Claim
23 words
A detergent composition comprising a surface active detergent and metakaolin, the ratio of metakaolin to surface active detergent being at least about 0.8:1.
Claim 3
Dependent Claim
20 words
A detergent composition as in claim 1 also containing a builder salt, said surface active detergent comprising an anionic detergent.
Claim 4
Dependent Claim
14 words
A detergent composition as in claim 1 containing a quaternary ammonium fabric softening agent.
Claim 5
Dependent Claim
35 words
A laundry detergent composition as in claim 3 in which the proportions are within the following ranges: about 10-20% anionic surfactant, about 20-35% builder salt, about 12-20% metakaolin and about 3-6% quaternary ammonium softening agent.
Claim 6
Dependent Claim
17 words
A detergent composition comprising an anionic surface active detergent, metakaolin and a quaternary ammonium fabric softening agent.
Claim 7
Dependent Claim
17 words
A detergent composition comprising an anionic surface active detergent, metakaolin and a quaternary ammonium fabric softening agent.
Claim 8
Dependent Claim
15 words
A fabric softening mixture comprising metakaolin and a quaternary ammonium fabric softening or antistatic agent.
Claim 9
Dependent Claim
15 words
A fabric softening mixture comprising metakaolin and a quaternary ammonium fabric softening or antistatic agent.
Claim 10
Dependent Claim
28 words
A fabric softening mixture as in claim 6 in which the weight ratio of metakaolin to quaternary ammonium compound is in the range of about 2:1 to 5:1.
Claim 11
Dependent Claim
26 words
An aqueous washing solution for fabrics comprising an anionic surface active detergent and at least about 0.8 part of suspended metakaolin per part of anionic detergent.
Claim 12
Dependent Claim
26 words
An aqueous washing solution for fabrics comprising an anionic surface active detergent and at least about 0.8 part of suspended metakaolin per part of anionic detergent.
Claim 13
Dependent Claim
18 words
An aqueous washing solution as in claim 7 also containing a quaternary ammonium fabric softening or antistatic agent.
Claim 14
Dependent Claim
28 words
A laundry detergent composition as in claim 4 comprising granules of a spray-dried blend of said surfactant, builder salt and metakaolin mixed with solid quaternary ammonium softening agent.
Claim 15
Dependent Claim
17 words
A composition as in claim 10 in which said quaternary ammonium compound comprises distearyl dimethyl ammonium chloride.
Claim 16
Dependent Claim
50 words
A composition as in claim 10 in which said surface active detergent is a non-soap synthetic detergent compound selected from the group consisting of anionic synthetic detergents, nonionic synthetic detergents, ampholytic synthetic detergents, zwitterionic synthetic detergents and mixtures thereof, and said composition contains an organic or inorganic detergent builder salt.
References Cited (Backward Citations)
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Cited
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1982-12-10 | 1983-06-11 | 1983-12-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1986-12-10 | 1987-06-11 | 1987-12-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1990-12-10 | 1991-06-11 | 1991-12-11 | $7700.00 | Window Closed / Lapsed |