US2537375A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of curing polyester resins
Assignee: Wyeth Holdings LLC
•
Filing: 1947-08-01
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Granted: 1951-01-09
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Expires: 1967-08-01
Abstract
No abstract record available.
Inventors
- 👤 William G Simons
- 👤 Jr Edwin H Dafter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 08:47
CPC Classifications
C; C08; C08F; C08F283/00; C08F283/01
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
81 words
A RESINOUS COMPOSITION CAPABLE OF CURING IN 1 1/2 TO 10 HOURS AT ROOM TEMPERATURE, COMPRISING A COPOLYMERIZABLE MIXTURE OF A POLYMERIZABLE ALPHA, BETA-UNSATURATED ALKYD RESIN AND A POLYMERIZABLE SUBSTANCE HAVING THE CH2=C< GROUP AND HAVING A BOILING POINT ABOVE 60* C., I-HYDROXY CYCLOHEXYL HYDROPEROXIDE-1 PRESENT IN AN AMOUNT FROM 0.10% TO 5% BASED ON THE WEIGHT OF COPOLYMERIZABLE RESIN, AND A METAL SALT DRIER PRESENT IN AN AMOUNT FROM 0.004% TO 0.01% METAL BASED ON THE WEIGHT OF COPOLYMERIZABLE RESIN.
Claim 2
Dependent Claim
81 words
A RESINOUS COMPOSITION CAPABLE OF CURING IN 1 1/2 TO 10 HOURS AT ROOM TEMPERATURE, COMPRISING A COPOLYMERIZABLE MIXTURE OF A POLYMERIZABLE ALPHA, BETA-UNSATURATED ALKYD RESIN AND A POLYMERIZABLE SUBSTANCE HAVING THE CH2=C< GROUP AND HAVING A BOILING POINT ABOVE 60* C., I-HYDROXY CYCLOHEXYL HYDROPEROXIDE-1 PRESENT IN AN AMOUNT FROM 0.10% TO 5% BASED ON THE WEIGHT OF COPOLYMERIZABLE RESIN, AND A METAL SALT DRIER PRESENT IN AN AMOUNT FROM 0.004% TO 0.01% METAL BASED ON THE WEIGHT OF COPOLYMERIZABLE RESIN.
References Cited (Backward Citations)
US2220621A
Cited
US2409633A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-01-08 | 1954-07-10 | 1955-01-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-01-08 | 1958-07-10 | 1959-01-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-01-08 | 1962-07-10 | 1963-01-09 | $7700.00 | Window Closed / Lapsed |