Patent US3010834A successfully refreshed from Google Patents.
US3010834A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Impression compound
Assignee: SS White Dental Manufacturing Co
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Filing: 1960-01-05
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Granted: 1961-11-28
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Expires: 1980-01-05
Abstract
No abstract record available.
Inventors
- 👤 Walter S Crowell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 04:51
CPC Classifications
A; A61; A61K; A61K6/00; A61K6/90
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
101 words
A COMPOSITION FOR IMPRESSION MOLDING CONSISTING FOR ACTIVE COMPONENTS OF A WATER-SOLUBLE ALGINATE, A NEUTRAL ZINC SALT OF AN ACID SELECTED FROM THE GROUP CONSISTING OF SUCCINIC, GLUTARIC AND PHTHALIC ACIDS, SAID ZINC SALT HAVING A SOLUBILITY IN WATER OF ABOUT 0.05 TO 1.0 PERCENT AT 25 DEGREES C., SAID ZINC SALT BEING PRESENT AS 5 TO 100 PERCENT BY WEIGHT OF THE ALGINATE, AND A PRIMARY SETTING AGENT FOR THE ALGINATE EFFECTIVE IN THE PRESENCE OF THE ZINC SALT, THE TOTAL OF PRIMARY SETTING AGENT AND ZINC SALT BEING IN EXCESS OF THAT REQUIRED TO FORM AN INSOLUBLE ALGINATE GEL.
Claim 2
Dependent Claim
101 words
A COMPOSITION FOR IMPRESSION MOLDING CONSISTING FOR ACTIVE COMPONENTS OF A WATER-SOLUBLE ALGINATE, A NEUTRAL ZINC SALT OF AN ACID SELECTED FROM THE GROUP CONSISTING OF SUCCINIC, GLUTARIC AND PHTHALIC ACIDS, SAID ZINC SALT HAVING A SOLUBILITY IN WATER OF ABOUT 0.05 TO 1.0 PERCENT AT 25 DEGREES C., SAID ZINC SALT BEING PRESENT AS 5 TO 100 PERCENT BY WEIGHT OF THE ALGINATE, AND A PRIMARY SETTING AGENT FOR THE ALGINATE EFFECTIVE IN THE PRESENCE OF THE ZINC SALT, THE TOTAL OF PRIMARY SETTING AGENT AND ZINC SALT BEING IN EXCESS OF THAT REQUIRED TO FORM AN INSOLUBLE ALGINATE GEL.
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) | 1964-11-27 | 1965-05-29 | 1965-11-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-11-27 | 1969-05-29 | 1969-11-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-11-27 | 1973-05-29 | 1973-11-28 | $7700.00 | Window Closed / Lapsed |