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US3265202A Expired / Lapsed US ⏱️ 0.0 years remaining

Composite tooth and veneer gel composite formed of non-volatile dimethacrylate as the sole polymerizable constituent

Assignee: AMERICAN TOOTH Inc A CORP OF CA
•
Filing: 1964-06-26
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Granted: 1966-08-09
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Expires: 1984-06-26
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Abstract

No abstract record available.

Inventors

  • 👤 John A Cornell

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-24 10:43
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

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