US3558540A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Plastic impression compositions
Assignee: EUGENE J MOLNAR
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Filing: 1968-11-13
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Granted: 1971-01-26
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Expires: 1988-11-13
Abstract
Abstract NEW PLASTIC COMPOSITIONS ARE DISCLOSED WHICH CAN BE USED FOR TAKING IMPRESSIONS WHILE THE COMPOSITION IS INITS PLASTIC STAGE, SAID COMPOSITION INCLUDING A SOLID RESIN AND A SOLVENT SYSTEM WHICH INCLUDES AN EXTENDER AND A BENZYL RADICAL COMPOUND SUCH AS BENZYL ALCOHOLS, BENZYL ETHERS, BENZYL KETONES, BENZYL ALDEHUDES, AND BENZYL ESTERS. THE SOLVENT SYSTEM LEADS TO A CONTROLLED EARLY SETTING, AND INPARTS IMPROVED PROPERTIES TO THJE PLASTIC COMPOSITION FOR TAKING IMPRESSIONS, PARTICULARLY OF LIVING ANATOMICAL STRUCTURES.
Inventors
- 👤 Eugene J Molnar
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 09:34
CPC Classifications
C; C08; C08K; C08K5/00; C08K5/0008; C08K5/0016; A; A61; A61K; A61K6/00; A61K6/90; C08L; C08L33/00; C08L33/04; C08L33/06; C08L33/10
Claims Analysis
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References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-01-25 | 1974-07-27 | 1975-01-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-01-25 | 1978-07-27 | 1979-01-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-01-25 | 1982-07-27 | 1983-01-26 | $7700.00 | Window Closed / Lapsed |