US2715112A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Acrylonitrile polymers stabilized with certain glycol ethers
Assignee: Dow Chemical Co
•
Filing: 1952-09-04
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Granted: 1955-08-09
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Expires: 1972-09-04
Abstract
No abstract record available.
Inventors
- 👤 George W Stanton
- 👤 Forrest A Ehlers
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 04:17
CPC Classifications
C; C08; C08K; C08K5/00; C08K5/04; C08K5/06
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
59 words
A COMPOSITION OF MATTER THE ESSENTIAL CONSTITUENTS OF WHICH ARE A POLYMERIC BODY CONTAINING AT LEAST 60 PER CENT BY WEIGHT ACRYLONITRILE POLYMERIZED IN THE BODY MER MOLECULE, ANY BALANCE BEING ANOTHER MONOETHYLENICALLY UNSATURATED COMPOUND COPOLYMERIZED WITH ACRYLONITRILE, AND, AS A STABILIZING AGENT THEREFOR, FROM 1 TO 20 PER CENT BY WEIGHT OF A GLYCOL ETHER HAVING THE FORMULA
Claim 2
Dependent Claim
59 words
A COMPOSITION OF MATTER THE ESSENTIAL CONSTITUENTS OF WHICH ARE A POLYMERIC BODY CONTAINING AT LEAST 60 PER CENT BY WEIGHT ACRYLONITRILE POLYMERIZED IN THE BODY MER MOLECULE, ANY BALANCE BEING ANOTHER MONOETHYLENICALLY UNSATURATED COMPOUND COPOLYMERIZED WITH ACRYLONITRILE, AND, AS A STABILIZING AGENT THEREFOR, FROM 1 TO 20 PER CENT BY WEIGHT OF A GLYCOL ETHER HAVING THE FORMULA
References Cited (Backward Citations)
US2416667A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-08-08 | 1959-02-07 | 1959-08-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-08-08 | 1963-02-07 | 1963-08-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-08-08 | 1967-02-07 | 1967-08-09 | $7700.00 | Window Closed / Lapsed |