Patent US4007260A successfully refreshed from Google Patents.
US4007260A
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US
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Dentifrices
Assignee: Monsanto Co
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Filing: 1975-07-18
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Granted: 1977-02-08
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Expires: 1995-07-18
Abstract
Abstract Dental creams, particularly translucent dental creams, containing finely divided synthetic amorphous silica polishing agents, such polishing agents have an average refractive index of from about 1.410 to 1.440.
Inventors
- 👤 Keun Y. Kim
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 15:21
CPC Classifications
A; A61; A61K; A61K8/00; A61K8/18; A61K8/19; A61K8/25; A61Q; A61Q11/00; A61K2800/00; A61K2800/20; A61K2800/26; A61K2800/262
Claims Analysis
Total Claims: 5
Claim 1
Independent Claim
43 words
An opaque dentifrice composition containing a polishing amount of a finely divided synthetic amorphous silica polishing agent, said polishing agent having an average refractive index from about 1.410 to 1.440 and an average particle diameter of from about 1 to about 30 microns.
Claim 2
Dependent Claim
43 words
An opaque dentifrice composition containing a polishing amount of a finely divided synthetic amorphous silica polishing agent, said polishing agent having an average refractive index from about 1.410 to 1.440 and an average particle diameter of from about 1 to about 30 microns.
Claim 3
Dependent Claim
14 words
A dentifrice composition according to claim 1 wherein said dentifrice is a dental cream.
Claim 4
Dependent Claim
14 words
A dental cream according to claim 2 wherein other dentifrice polishing agents are present.
Claim 5
Dependent Claim
10 words
A composition according to claim 3 wherein fluoride is present.
References Cited (Backward Citations)
US3842167A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1980-02-08 | 1980-08-09 | 1981-02-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1984-02-08 | 1984-08-09 | 1985-02-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1988-02-08 | 1988-08-09 | 1989-02-08 | $7700.00 | Window Closed / Lapsed |