US3732265A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Flame retardants for flexible foamed plastic
Assignee: JBS USA LLC
•
Filing: 1969-07-30
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Granted: 1973-05-08
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Expires: 1989-07-30
Abstract
Abstract HYDROXYL AND HALOGEN CONTAINING ADDUCTS OBTAINED BY REACTING A HYDROXY HIGHER FATTY ACID ESTER AND AN ALIPHATIC HALOEPOXIDE IN THE PRESENCE OF AN ACID CATALYST ARE PRODUCED AND USED TO PREPARE FLAME RESISTANT NON-RIGID POLYURETHANE FOAMS.
Inventors
- 👤 G Roth
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 01:00
CPC Classifications
C; C08; C08G; C08G18/00; C08G18/06; C08G18/28; C08G18/40; C08G18/48; C08G18/50; C08G18/5003; C08G18/4891; C08G65/00; C08G65/02; C08G65/26; C08G65/2603; C08G65/2615
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1976-05-07 | 1976-11-06 | 1977-05-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-05-07 | 1980-11-06 | 1981-05-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-05-07 | 1984-11-06 | 1985-05-08 | $7700.00 | Window Closed / Lapsed |