Patent US3264372A successfully refreshed from Google Patents.
US3264372A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Polyester resin composition
Assignee: Wyeth Holdings LLC
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Filing: 1963-09-10
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Granted: 1966-08-02
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Expires: 1983-09-10
Abstract
No abstract record available.
Inventors
- 👤 Deichert William George
- 👤 Webb Richard Lansing
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 18:51
CPC Classifications
C; C08; C08F; C08F299/00; C08F299/02; C08F299/04; C08F299/0478; C08F283/00; C08F283/01; Y; Y10; Y10T; Y10T428/00; Y10T428/31504; Y10T428/31786; Y10T428/31797
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
125 words
A SUBSTANTIALLY LINEAR, WATER-INSOLUBLE NON-GELLED UNSATURATED POLYESTER RESIN COMPOSITION CONSISTING ESSENTIALLY OF A BLEND OF (1) THE ESTERIFICATION REACTION PRODUCT OF REACTANTS CONSISTING ESSENTIALLY OF FUMARIC ACID AND A POLYETHYLENE GLYCOL WHEREIN SAID GLYCOL HAS BETWEEN 6 AND 26 CARBON ATOMS, SAID PRODUCT HAS AN ACID NUMBER BELOW ABOUT 30 AND (2) A GLYCOL DIACRYLATE WHICH IS THE REACTION PRODUCT OF A GLYCOL SELECTED FROM THE GROUP CONSISTING OF POLYGLYCOLS HAVING FROM 4 TO 8 CARBON ATOMS AND MONOGLYCOLS CONTAINING FROM 2 TO 4 CARBON ATOMS, INCLUDSIVE, AND AN ACID SELECTED FROM THE GROUP CONSISTING OF ACRYLIC ACID AND METHACRYLIC ACID WHEREIN (2) IS PRESENT IN AN AMOUNT VARYING BETWEEN ABOUT 10% AND 40% BY WEIGHT BASED ON THE TOTAL WEIGHT OF (1) AND (2).
Claim 2
Dependent Claim
125 words
A SUBSTANTIALLY LINEAR, WATER-INSOLUBLE NON-GELLED UNSATURATED POLYESTER RESIN COMPOSITION CONSISTING ESSENTIALLY OF A BLEND OF (1) THE ESTERIFICATION REACTION PRODUCT OF REACTANTS CONSISTING ESSENTIALLY OF FUMARIC ACID AND A POLYETHYLENE GLYCOL WHEREIN SAID GLYCOL HAS BETWEEN 6 AND 26 CARBON ATOMS, SAID PRODUCT HAS AN ACID NUMBER BELOW ABOUT 30 AND (2) A GLYCOL DIACRYLATE WHICH IS THE REACTION PRODUCT OF A GLYCOL SELECTED FROM THE GROUP CONSISTING OF POLYGLYCOLS HAVING FROM 4 TO 8 CARBON ATOMS AND MONOGLYCOLS CONTAINING FROM 2 TO 4 CARBON ATOMS, INCLUDSIVE, AND AN ACID SELECTED FROM THE GROUP CONSISTING OF ACRYLIC ACID AND METHACRYLIC ACID WHEREIN (2) IS PRESENT IN AN AMOUNT VARYING BETWEEN ABOUT 10% AND 40% BY WEIGHT BASED ON THE TOTAL WEIGHT OF (1) AND (2).
Claim 3
Dependent Claim
135 words
A SHEET OF POLYMETHYL METHACRYLATE HAVING BONDED THERETO A HARD MAR-RESISTANT CROSS-LINKED UNSATURATED POLYESTER RESIN COMPOSITION CONSISTING ESSENTIALLY OF THE CURED AREACTION PRODUCT OF (1) THE ESTERIFICATION REACTION PRODUCT OF REACTANTS CONSISTING ESSENTIALLY OF FUMARIC ACID AND A POLYETHYLENE GLYCOL WHEREIN SAID GLYCOL HAS BETWEEN 6 AND 26 CARBON ATOMS AND SAID PRODUCT HAS AN ACID NUMBER BELOW ABOUT 30 AND (2) A GLYCOL DIACRYLATE WHICH IS THE REACTION PRODUCT OF A GLYCOL SELECTED FROM THE GROUP CONSISTING OF POLYGLYCOLS HAVING FROM 4 TO 8 CARBON ATOMS AND MONOGLYCOLS CONTAINING FROM 2 TO 4 CARBON ATOMS, INCLUSIVE, AND AN ACID SELECTED FROM THE GROUP CONSISTING OF ACRYLIC ACID AND METHACRYLIC ACID WHEREIN (2) IS PRESENT IN AN AMOUNT VARYING BETWEEN ABOUT 10% AND 40% BY WEIGHT BASED ON THE TOTAL WEIGHT OF (1) AND (2).
Claim 4
Dependent Claim
135 words
A SHEET OF POLYMETHYL METHACRYLATE HAVING BONDED THERETO A HARD MAR-RESISTANT CROSS-LINKED UNSATURATED POLYESTER RESIN COMPOSITION CONSISTING ESSENTIALLY OF THE CURED AREACTION PRODUCT OF (1) THE ESTERIFICATION REACTION PRODUCT OF REACTANTS CONSISTING ESSENTIALLY OF FUMARIC ACID AND A POLYETHYLENE GLYCOL WHEREIN SAID GLYCOL HAS BETWEEN 6 AND 26 CARBON ATOMS AND SAID PRODUCT HAS AN ACID NUMBER BELOW ABOUT 30 AND (2) A GLYCOL DIACRYLATE WHICH IS THE REACTION PRODUCT OF A GLYCOL SELECTED FROM THE GROUP CONSISTING OF POLYGLYCOLS HAVING FROM 4 TO 8 CARBON ATOMS AND MONOGLYCOLS CONTAINING FROM 2 TO 4 CARBON ATOMS, INCLUSIVE, AND AN ACID SELECTED FROM THE GROUP CONSISTING OF ACRYLIC ACID AND METHACRYLIC ACID WHEREIN (2) IS PRESENT IN AN AMOUNT VARYING BETWEEN ABOUT 10% AND 40% BY WEIGHT BASED ON THE TOTAL WEIGHT OF (1) AND (2).
References Cited (Backward Citations)
US2645626A
Cited
US2884404A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-08-01 | 1970-01-31 | 1970-08-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-08-01 | 1974-01-31 | 1974-08-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-08-01 | 1978-01-31 | 1978-08-02 | $7700.00 | Window Closed / Lapsed |