US3998973A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Thickening composition
Assignee: Vanderbilt Chemicals LLC
•
Filing: 1975-04-07
•
Granted: 1976-12-21
•
Expires: 1995-04-07
Abstract
Abstract The specification relates to a thickening composition containing a silicate, an ether or ester and a cellulose. The specification relates also to a process for thickening an aqueous organic system with this composition.
Inventors
- 👤 Bernard C. Carlson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 15:54
CPC Classifications
A; A61; A61K; A61K8/00; A61K8/18; A61K8/19; A61K8/26; A61K8/30; A61K8/33; A61K8/39; A61K8/72; A61K8/73; A61K8/731; A61K9/00; A61K9/0012; A61K9/0014; A61Q; A61Q19/00; C; C09; C09D; C09D7/00; C09D7/40; C09D7/43; A61Q11/00; A61Q19/10; A61Q5/00; A61Q5/02; C08; C08K; C08K3/00; C08K3/34; C08K3/346; C08L; C08L1/00; C08L1/08; C08L59/00
Claims Analysis
Total Claims: 11
Claim 1
Independent Claim
42 words
A thickening composition which comprises a synergistic misture of swellable colloidal magnesium aluminum silicate, a polyoxyethylene C 12-22 alkyl ether or ester having 20-50 oxyethylene units per molecule, and sodium carboxymethylcellulose in the ratio of about 80:10:10 to 98:1:1 by weight, respectively.
Claim 2
Dependent Claim
42 words
A thickening composition which comprises a synergistic misture of swellable colloidal magnesium aluminum silicate, a polyoxyethylene C 12-22 alkyl ether or ester having 20-50 oxyethylene units per molecule, and sodium carboxymethylcellulose in the ratio of about 80:10:10 to 98:1:1 by weight, respectively.
Claim 3
Dependent Claim
24 words
The composition according to claim 1 in which the polyoxyethylene compound is a polyoxyethylene C 12-22 alkyl ether having 20-50 oxyethylene units per molecule.
Claim 4
Dependent Claim
22 words
The composition according to claim 2 in which the polyoxyethylene alkyl ether is polyoxyethylene stearyl ether having 20-50 oxyethylene units per molecule.
Claim 5
Dependent Claim
22 words
The composition according to claim 2 in which the polyoxyethylene alkyl ether is polyoxyethylene cetyl ether having 20-50 oxyethylene units per molecule.
Claim 6
Dependent Claim
28 words
The composition according to claim 1 in which the colloidal magnesium aluminum silicate, polyoxyethylene compound and sodium carboxymethylcellulose are in the ratio of about 90:5:5 by weight, respectively.
Claim 7
Dependent Claim
78 words
A process for thickening an aqueous liquid selected from the group consisting of cosmetic preparation, household cleaning composition, paint and paint remover which comprises dispersing in the liquid between about 0.1 and 5.0 weight percent of a thickening compostion comprising a synergistic mixture of a swellable colloidal magnesium aluminum silicate, a polyoxyethylene C 12-22 alkyl ether or ester having 20-50 oxyethylene units per molecule, and sodium carboxymethylcellulose in the ratio of about 80:10:10 to 98:1:1 by weight, respectively.
Claim 8
Dependent Claim
78 words
A process for thickening an aqueous liquid selected from the group consisting of cosmetic preparation, household cleaning composition, paint and paint remover which comprises dispersing in the liquid between about 0.1 and 5.0 weight percent of a thickening compostion comprising a synergistic mixture of a swellable colloidal magnesium aluminum silicate, a polyoxyethylene C 12-22 alkyl ether or ester having 20-50 oxyethylene units per molecule, and sodium carboxymethylcellulose in the ratio of about 80:10:10 to 98:1:1 by weight, respectively.
Claim 9
Dependent Claim
14 words
The process according to claim 6 in which the liquid is a cosmetic preparation.
Claim 10
Dependent Claim
16 words
The process according to claim 6 in which the liquid is a household cleaning composition formulation.
Claim 11
Dependent Claim
15 words
The process according to claim 6 in which the liquid is a polymeric latex paint.
References Cited (Backward Citations)
US2571030A
Cited
US2628205A
Cited
GB780918A
Cited
US3019161A
Cited
US2914443A
Cited
US3196079A
Cited
US3070497A
Cited
US3100174A
Cited
US2996432A
Cited
US3350429A
Cited
FR1474022A
Cited
US3574827A
Cited
US3450666A
Cited
US3636200A
Cited
US3708435A
Cited
US3733403A
Cited
US3687885A
Cited
US3687846A
Cited
US3884826A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1979-12-21 | 1980-06-21 | 1980-12-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1983-12-21 | 1984-06-21 | 1984-12-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1987-12-21 | 1988-06-21 | 1988-12-21 | $7700.00 | Window Closed / Lapsed |