US3787529A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Novel flame retardant compositions
Assignee: Universal Oil Products Co
•
Filing: 1972-06-05
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Granted: 1974-01-22
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Expires: 1992-06-05
Abstract
Abstract NOVEL FLAME RETARDANT COMPOSITIONS OF MATTER WHICH COMPRISE A MIXTURE OF A POLYMER AND A DIESTER OF HALOSUBSTITUTED ALKYLOXYALKYLPHOSPHONATE CONTAINING AT LEAST TWO HALOGEN ATOMS AS EXEMPLIFIED BY POLYPROPYLENE AND DIMETHYL 3-CHLORO-2,3-DIBROMOPROPOXYMETHYLPHOSPHONATE WILL POSSESS USEFUL AND DESIRABLE PHYSICAL CHARACTERISTICS OF FLAME RETARDANCY AND FIRE RESISTANCE.
Inventors
- 👤 I Benghiat
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 18:00
CPC Classifications
C; C08; C08K; C08K5/00; C08K5/49; C08K5/51; C08K5/53; C08K5/5317; C08K5/5333; C08K5/5337; C07; C07F; C07F9/00; C07F9/02; C07F9/28; C07F9/38; C07F9/40; C07F9/4003; C07F9/4006
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) | 1977-01-21 | 1977-07-23 | 1978-01-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-01-21 | 1981-07-23 | 1982-01-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-01-21 | 1985-07-23 | 1986-01-22 | $7700.00 | Window Closed / Lapsed |