Patent US2839431A successfully refreshed from Google Patents.
US2839431A
Expired / Lapsed
US
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Antistatic agents for hydrophobic fiber
Assignee: EIDP Inc
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Filing: 1955-08-26
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Granted: 1958-06-17
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Expires: 1975-08-26
Abstract
No abstract record available.
Inventors
- 👤 Rimmer Robert William
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 20:34
CPC Classifications
C; C08; C08F; C08F220/00; C08F220/02; C08F220/10; C08F220/26; C08F220/32; C08F220/325; Y; Y10; Y10T; Y10T428/00; Y10T428/29; Y10T428/2913; Y10T428/2933; Y10T428/2964; Y10T428/2967; Y10T428/2969; Y10T428/2971
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
26 words
A PROCESS OF PRODUCING AN INTERPOLYMER USEFUL FOR TREATING TEXTILE FIBER, WHICH COMPRISES POLYMERIZING A MIXTURE OF GLYCIDYL METHACRYLATE AND OF AN ESTER OF THE FORMULA
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-06-16 | 1961-12-16 | 1962-06-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-06-16 | 1965-12-16 | 1966-06-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-06-16 | 1969-12-16 | 1970-06-17 | $7700.00 | Window Closed / Lapsed |