Patent US3210315A successfully refreshed from Google Patents.
US3210315A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Acrylic fibers made flame resistant with halogenated aliphatic acid esters
Assignee: Monsanto Co
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Filing: 1963-02-11
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Granted: 1965-10-05
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Expires: 1983-02-11
Abstract
No abstract record available.
Inventors
- 👤 William A Blackburn
- 👤 James R Misenheimer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 14:57
CPC Classifications
D; D01; D01F; D01F6/00; D01F6/02; D01F6/18; C; C08; C08K; C08K5/00; C08K5/04; C08K5/10; C08K5/101; C08K5/103; D01F1/00; D01F1/02; D01F1/07; D01F6/28; D01F6/38; D01F6/44; D01F6/54; Y; Y10; Y10S; Y10S260/00; Y10S260/24
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
34 words
A NEW COMPOSITION OF MATTER CONSISTING ESSENTIALLY OF ACRYLONITRILE POLYMER CONTAINING AT LEAST 70 PERCENT ACRYLONITRILE AND FROM 0.5 TO 8 PERCENT BY WEIGHT OF A HALOGENATED ALIPHATIC ACID ESTER HAVING THE GENERAL FORMULA
Claim 2
Dependent Claim
34 words
A NEW COMPOSITION OF MATTER CONSISTING ESSENTIALLY OF ACRYLONITRILE POLYMER CONTAINING AT LEAST 70 PERCENT ACRYLONITRILE AND FROM 0.5 TO 8 PERCENT BY WEIGHT OF A HALOGENATED ALIPHATIC ACID ESTER HAVING THE GENERAL FORMULA
References Cited (Backward Citations)
US2524528A
Cited
US2881147A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-10-04 | 1969-04-05 | 1969-10-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-10-04 | 1973-04-05 | 1973-10-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-10-04 | 1977-04-05 | 1977-10-05 | $7700.00 | Window Closed / Lapsed |