US3341627A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Polymeric anti-static composition and process
Assignee: EIDP Inc
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Filing: 1963-07-09
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Granted: 1967-09-12
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Expires: 1983-07-09
Abstract
No abstract record available.
Inventors
- 👤 Wilkinson William Kenneth
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 14:35
CPC Classifications
C; C08; C08F; C08F20/00; C08F20/02; C08F20/10; C08F20/12; C08F20/16; C08L; C08L33/00; C08L33/18; C08L33/20
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
33 words
AN ACRYLONITRILE POLYMER FIBER HAVING ADMIXED THEREIN FROM ABOUT 1% TO ABOUT 10% BY WEIGHT BASED ON SAID FIBER OF A WATER-INSLUBLE ADDITION POLYMER OF AN ALKYLPHENOXY POLYETHYLENE GLYCOL ACRYLATE HAVING THE FORMULA:
Claim 2
Dependent Claim
33 words
AN ACRYLONITRILE POLYMER FIBER HAVING ADMIXED THEREIN FROM ABOUT 1% TO ABOUT 10% BY WEIGHT BASED ON SAID FIBER OF A WATER-INSLUBLE ADDITION POLYMER OF AN ALKYLPHENOXY POLYETHYLENE GLYCOL ACRYLATE HAVING 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) | 1970-09-11 | 1971-03-13 | 1971-09-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-09-11 | 1975-03-13 | 1975-09-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-09-11 | 1979-03-13 | 1979-09-12 | $7700.00 | Window Closed / Lapsed |