US3637552A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Flame retardant antistatic polymers
Assignee: Monsanto Co
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Filing: 1970-07-08
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Granted: 1972-01-25
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Expires: 1990-07-08
Abstract
Abstract THE FLAME-RESISTANCE AND ANTISTATIC PROPERTIES OF FABRICS FORMED FROM THERMOPLASTIC POLYMER FILAMENTS CONTAINING FROM 2 TO 15% BY WEIGHT, BASED ON THE WEIGHT OF POLYMER, OF A POLYALKOXYLATED COMPOUND ARE GREATLY IMPROVED BY INCORPORATING INTO SAID FILAMENTS IN COMBINATION WITH THE POLYALKOXYLATED COMPOUND FROM 2 TO 15% BY WEIGHT, BASED ON THE WEIGHT OF THE POLYMER OF AN ALKYL PHOSPHONIUM PHOSPHATE OF THE FORMULA R''-P(+)(-R)3 (-)O-P(=O)(-O-R'')2 WHEREIN EACH R AND R'' IS AN ALKYL RADICAL HAVING FROM 1 TO 20 CARBON ATOMS.
Inventors
- 👤 Roland J Bryan Jr
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 23:26
CPC Classifications
D; D01; D01F; D01F1/00; D01F1/02; D01F1/09; C; C08; C08K; C08K5/00; C08K5/49; C08K5/50; C08L; C08L101/00; C08L71/00; C08L71/02; D01F1/07; D01F6/00; D01F6/58; D01F6/60; C08L2201/00; C08L2201/02; C08L2201/04; Y; Y10; Y10S; Y10S260/00; Y10S260/15; Y10S260/19; Y10S260/21
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) | 1975-01-24 | 1975-07-26 | 1976-01-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-01-24 | 1979-07-26 | 1980-01-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-01-24 | 1983-07-26 | 1984-01-25 | $7700.00 | Window Closed / Lapsed |