Patent US3930871A successfully refreshed from Google Patents.
US3930871A
Expired / Lapsed
US
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Thickening compositions
Assignee: Kelco Co
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Filing: 1971-03-10
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Granted: 1976-01-06
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Expires: 1991-03-10
Abstract
Abstract A thickening composition comprising a mixture of a Xanthomonas hydrophilic colloid with dextrin. A thickened aqueous media containing a mixture of a Xanthomonas hydrophilic colloid and dextrin. A denture adhesive composition containing a Xanthomonas hydrophilic colloid, dextrin and a buffering salt in an amount which is effective to provide a pH for the denture adhesive composition which is neutral or slightly higher.
Inventors
- 👤 Charles A. Starace
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 21:20
CPC Classifications
C; C08; C08L; C08L3/00; C08L3/02
Claims Analysis
Total Claims: 10
Claim 1
Independent Claim
39 words
A denture adhesive composition consisting essentially of about 10 to about 40 parts by weight of a Xanthomonas hydrophilic colloid and from about 60 to about 90 parts by weight of dextrin, said colloid-dextrin mixture providing the adhesive property.
Claim 2
Dependent Claim
39 words
A denture adhesive composition consisting essentially of about 10 to about 40 parts by weight of a Xanthomonas hydrophilic colloid and from about 60 to about 90 parts by weight of dextrin, said colloid-dextrin mixture providing the adhesive property.
Claim 3
Dependent Claim
20 words
The composition of claim 1 containing a buffering salt in minor amount suitable to provide a pH of about neutral.
Claim 4
Dependent Claim
12 words
The composition of claim 2 wherein said buffering salt is sodium tetraborate.
Claim 5
Dependent Claim
12 words
The composition of claim 1 in the form of a dry powder.
Claim 6
Dependent Claim
22 words
The composition of claim 1 in the form of a paste containing from about 40 to about 60% by weight of water.
Claim 7
Dependent Claim
13 words
The compostion of claim 1 in the form of a cream base formulation.
Claim 8
Dependent Claim
13 words
The composition of claim 1 wherein said colloid is a Xanthomonas campestris colloid.
Claim 9
Dependent Claim
20 words
The composition of claim 6 containing a buffering salt in minor amount suitable to provide a pH of about neutral.
Claim 10
Dependent Claim
12 words
The composition of claim 8 wherein said buffering salt is sodium tetraborate.
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) | 1979-01-05 | 1979-07-07 | 1980-01-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1983-01-05 | 1983-07-07 | 1984-01-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1987-01-05 | 1987-07-07 | 1988-01-06 | $7700.00 | Window Closed / Lapsed |