Patent US3265202A successfully refreshed from Google Patents.
US3265202A
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Composite tooth and veneer gel composite formed of non-volatile dimethacrylate as the sole polymerizable constituent
Assignee: AMERICAN TOOTH Inc A CORP OF CA
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Filing: 1964-06-26
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Granted: 1966-08-09
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Expires: 1984-06-26
Abstract
No abstract record available.
Inventors
- 👤 John A Cornell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 14:08
CPC Classifications
C; C08; C08F; C08F20/00; C08F20/02; C08F20/10; C08F20/20; A; A61; A61K; A61K6/00; A61K6/80; A61K6/884; A61K6/887
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
132 words
A PACKAGE COMPRISING A SUPPORTING SHEET AND A PREFORMED STRIP OF STORAGE-STABLE PIGMENTED PUTTY WHICH IS READILY DETACHABLE FROM SAID SUPPORTING SHEET, SAID PUTTY BEING ADAPTED TO BE STORED ON A SHEET FOR LONG PERIODS OF TIME AT ROOM TEMPERATURE WITHOUT HARDENING OR DRYING OUT, SAID PUTTY CONSISTING OF: AN OPACIFYING INERT STABLE SOLID PIGMENT; A NON-VOLATILE LIQUID POLYMERIZABLE DIMETHACRYLATE ESTER OF A POLYHYDRIC ALCOHOL SELECTED FROM THE GROUP CONSISTING OF ALIPHATIC GLYCOLS HAVING 4 TO 8 CARBON ATOMS, POLYETHYLENE GLYCOL HAVING A DEGREE OF POLYMERIZATION FROM 2 TO 6 AND POLYPROPYLENE GLYCOL HAVING A DEGREE OF POLYMERIZATION FROM 2 TO 6; SAID LIQUID ESTER BEING LESS VOLATILE THAN DIBUTYL PHTHALATE AND THE SOLE LIQUID COMPONENT OF SAID PUTTY; AND, AS A THICKNER FOR SAID LIQUID COMPONENT, SOLID FINELY DIVIDED METHYL METH-
Claim 2
Dependent Claim
132 words
A PACKAGE COMPRISING A SUPPORTING SHEET AND A PREFORMED STRIP OF STORAGE-STABLE PIGMENTED PUTTY WHICH IS READILY DETACHABLE FROM SAID SUPPORTING SHEET, SAID PUTTY BEING ADAPTED TO BE STORED ON A SHEET FOR LONG PERIODS OF TIME AT ROOM TEMPERATURE WITHOUT HARDENING OR DRYING OUT, SAID PUTTY CONSISTING OF: AN OPACIFYING INERT STABLE SOLID PIGMENT; A NON-VOLATILE LIQUID POLYMERIZABLE DIMETHACRYLATE ESTER OF A POLYHYDRIC ALCOHOL SELECTED FROM THE GROUP CONSISTING OF ALIPHATIC GLYCOLS HAVING 4 TO 8 CARBON ATOMS, POLYETHYLENE GLYCOL HAVING A DEGREE OF POLYMERIZATION FROM 2 TO 6 AND POLYPROPYLENE GLYCOL HAVING A DEGREE OF POLYMERIZATION FROM 2 TO 6; SAID LIQUID ESTER BEING LESS VOLATILE THAN DIBUTYL PHTHALATE AND THE SOLE LIQUID COMPONENT OF SAID PUTTY; AND, AS A THICKNER FOR SAID LIQUID COMPONENT, SOLID FINELY DIVIDED METHYL METH-
References Cited (Backward Citations)
US2296877A
Cited
US2385612A
Cited
US2557574A
Cited
US2745813A
Cited
US3027642A
Cited
US2874832A
Cited
US3069773A
Cited
US3098053A
Cited
US3075640A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-08-08 | 1970-02-07 | 1970-08-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-08-08 | 1974-02-07 | 1974-08-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-08-08 | 1978-02-07 | 1978-08-09 | $7700.00 | Window Closed / Lapsed |