US2642410A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Polymerization in the presence of organic hydroperoxide and metal salt drier
Assignee: Libbey Owens Ford Glass Co
•
Filing: 1947-02-24
•
Granted: 1953-06-16
•
Expires: 1967-02-24
Abstract
No abstract record available.
Inventors
- 👤 Harold A Hoppens
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 07:51
CPC Classifications
C; C08; C08F; C08F283/00; C08F283/01
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
87 words
A RESINOUS COMPOSITION CAPABLE OF CURING IN 1 1/2 TO 10 HOURS AT ROOM TEMPERATURE, COMPRISING A COPOLYMERIZABLE MIXTURE OF A POLYMERIZABE ALPHA, BETA-UNSATURATED ALKYD RESIN AND A POLYMERIZABLE SUBSTANCE HAVING THE CH2=C GROUP AND HAVING A BOILING POINT ABOVE 60* C., 1 HYDROXY CYCLOHEXYL HYDROPEROXIDE-1 PRESENT IN AN AMOUNT FROM 0.10 TO 5 PER CENT BASED ON THE WEIGHT OF COPOLYMERIZABLE RESIN, AND A METAL SALT DRIER PRESENT IN AN AMOUNT OF FROM 0.004 TO 0.01 PER CENT METAL BASED ON THE WEIGHT OF COPOLYMERIZABLE RESIN.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-06-15 | 1956-12-15 | 1957-06-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-06-15 | 1960-12-15 | 1961-06-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-06-15 | 1964-12-15 | 1965-06-16 | $7700.00 | Window Closed / Lapsed |