Patent US3234169A successfully refreshed from Google Patents.
US3234169A
Expired / Lapsed
US
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Dental restoration composition
Assignee: GEORGE TAUB Inc
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Filing: 1963-02-28
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Granted: 1966-02-08
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Expires: 1983-02-28
Abstract
No abstract record available.
Inventors
- 👤 George J Taub
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 12:56
CPC Classifications
C; C08; C08F; C08F265/00; C08F265/04; C08F265/06; A; A61; A61K; A61K6/00; A61K6/80; A61K6/884; A61K6/887
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
135 words
DENTAL RESTORATION COMPOSITION CONSISTING ESSENTIALLY OF A MIXTURE OF A MONOMER LIQUID COMPONENT COMPOSITION AND A POLYMER POWDER COMPONENT COMPOSITION, THE AMOUNT OF SAID MONOMER LIQUID COMPONENT COMPOSITION PRESENT IN SAID MIXTURE BEING BETWEEN ABOUT 5% AND 20% BY WEIGHT OF THE POLYMER POWDER COMPONENT COMPOSITION CONTENT THEREOF, SAID MONOMER LIQUID COMPONENT COMPOSITION CONSISTING ESSENTIALLY OF ABOUT 100 PARST OF MONOMERIC METHYL METHACRYLATE BETWEEN ABOUT 10 AND 100 PARTS OF AT LEAST ONE VINYL POLYMER THAT IS SOLUBLE IN METHYL METHACRYLATE AND IS SELECTED FROM THE GROUP CONSISTING OF HOMOPOLYMERS OF VINYL CHLORIDE AND COPOLYMERS OF VINYL CHLORIDE AND VINYL ACETATE, BETWEEN ABOUT 20 AND 200 PARTS OF ACRYLONITRILE, AND BETWEEN ABOUT 3 AND 60 PARTS OF A PLASTICIZER FOR SAID VINYL POLYMER, AND SAID POLYMER POWDER COMPONENT COMPOSITION CONSISTING ESSENTIALLY OF POWDERED POLY(METHYL METHACRYLATE).
Claim 2
Dependent Claim
135 words
DENTAL RESTORATION COMPOSITION CONSISTING ESSENTIALLY OF A MIXTURE OF A MONOMER LIQUID COMPONENT COMPOSITION AND A POLYMER POWDER COMPONENT COMPOSITION, THE AMOUNT OF SAID MONOMER LIQUID COMPONENT COMPOSITION PRESENT IN SAID MIXTURE BEING BETWEEN ABOUT 5% AND 20% BY WEIGHT OF THE POLYMER POWDER COMPONENT COMPOSITION CONTENT THEREOF, SAID MONOMER LIQUID COMPONENT COMPOSITION CONSISTING ESSENTIALLY OF ABOUT 100 PARST OF MONOMERIC METHYL METHACRYLATE BETWEEN ABOUT 10 AND 100 PARTS OF AT LEAST ONE VINYL POLYMER THAT IS SOLUBLE IN METHYL METHACRYLATE AND IS SELECTED FROM THE GROUP CONSISTING OF HOMOPOLYMERS OF VINYL CHLORIDE AND COPOLYMERS OF VINYL CHLORIDE AND VINYL ACETATE, BETWEEN ABOUT 20 AND 200 PARTS OF ACRYLONITRILE, AND BETWEEN ABOUT 3 AND 60 PARTS OF A PLASTICIZER FOR SAID VINYL POLYMER, AND SAID POLYMER POWDER COMPONENT COMPOSITION CONSISTING ESSENTIALLY OF POWDERED POLY(METHYL METHACRYLATE).
References Cited (Backward Citations)
US2576944A
Cited
US2463551A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-02-07 | 1969-08-09 | 1970-02-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-02-07 | 1973-08-09 | 1974-02-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-02-07 | 1977-08-09 | 1978-02-08 | $7700.00 | Window Closed / Lapsed |