Patent US2556959A successfully refreshed from Google Patents.
US2556959A
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Dentifrice and method of preparing same
Assignee: Monsanto Chemicals Ltd
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Filing: 1949-04-20
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Granted: 1951-06-12
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Expires: 1969-04-20
Abstract
No abstract record available.
Inventors
- 👤 Robert V Connelly
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 18:52
CPC Classifications
A; A61; A61K; A61K8/00; A61K8/18; A61K8/19; A61K8/24; A61K8/30; A61K8/55; A61Q; A61Q11/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
38 words
A DENTIFRICE BASE FOR USE IN SUDSING DENTRIFICE COMPOSITIONS COMPRISING DICALCIUM PHOSPHATE AND ABOUT 0.05% TO ABOUT 0.6% BY WEIGHT OF AN ALKALINE EARTH COMPOUND SELECTED FROM THE GROUP CONSISTING OF THE OXIDE, HYDROXIDE AND GLYCEROPHOSPHATE OF CALCIUM.
Claim 2
Dependent Claim
38 words
A DENTIFRICE BASE FOR USE IN SUDSING DENTRIFICE COMPOSITIONS COMPRISING DICALCIUM PHOSPHATE AND ABOUT 0.05% TO ABOUT 0.6% BY WEIGHT OF AN ALKALINE EARTH COMPOUND SELECTED FROM THE GROUP CONSISTING OF THE OXIDE, HYDROXIDE AND GLYCEROPHOSPHATE OF CALCIUM.
References Cited (Backward Citations)
US396192A
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GB190704244A
Cited
US1717723A
Cited
US2216816A
Cited
US2287699A
Cited
GB572352A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-06-11 | 1954-12-11 | 1955-06-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-06-11 | 1958-12-11 | 1959-06-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-06-11 | 1962-12-11 | 1963-06-12 | $7700.00 | Window Closed / Lapsed |