US3086275A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of treating filamentous articles of ethylene polymer and the resulting product
Assignee: Phillips Petroleum Co
•
Filing: 1959-10-23
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Granted: 1963-04-23
•
Expires: 1979-10-23
Abstract
No abstract record available.
Inventors
- 👤 James E Pritchard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 08:26
CPC Classifications
D; D06; D06M; D06M13/00; D06M13/02; D01; D01F; D01F6/00; D01F6/02; D01F6/04; Y; Y10; Y10S; Y10S8/00; Y10S8/09; Y10T; Y10T428/00; Y10T428/29; Y10T428/2913; Y10T428/2933; Y10T428/2964; Y10T428/2967; Y10T428/298
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
53 words
A METHOD OF TREATING A FILAMENTOUS ARTICLE OF ETHYLENE POLYMER HAVING A DENSITY AT 25*C. OF 0.940 TO 1.00 GRAM PER CUBIC CENTIMETER WHICH COMPRISES IMMERSING SAID ARTICLES IN LIQUID HYDROCARBON SOLVENT AT 100 TO 125* C. AND WITHDRAWING SAID ARTICLE FROM SAID SOLVENT AFTER A RESIDENCE TIME OF 0.05 TO 10 SECONDS.
Claim 2
Independent Claim
53 words
A METHOD OF TREATING A FILAMENTOUS ARTICLE OF ETHYLENE POLYMER HAVING A DENSITY AT 25*C. OF 0.940 TO 1.00 GRAM PER CUBIC CENTIMETER WHICH COMPRISES IMMERSING SAID ARTICLES IN LIQUID HYDROCARBON SOLVENT AT 100 TO 125* C. AND WITHDRAWING SAID ARTICLE FROM SAID SOLVENT AFTER A RESIDENCE TIME OF 0.05 TO 10 SECONDS.
Claim 3
Dependent Claim
40 words
A FILAMENTOUS ARTICLE OF ETHYLENE POLYMER HAVING A DENSITY AT 25*C. OF 0.940 TO 1.00 GRAM PER CUBIC CENTIMETER AND A FRICTIONAL RESISTANCE OF FROM 20 TO 100 PERCENT GREATER THAN AN UNTREATED ARTICLE HAVING THE SAME COMPOSITION AND DENSITY.
Claim 4
Dependent Claim
40 words
A FILAMENTOUS ARTICLE OF ETHYLENE POLYMER HAVING A DENSITY AT 25*C. OF 0.940 TO 1.00 GRAM PER CUBIC CENTIMETER AND A FRICTIONAL RESISTANCE OF FROM 20 TO 100 PERCENT GREATER THAN AN UNTREATED ARTICLE HAVING THE SAME COMPOSITION AND DENSITY.
References Cited (Backward Citations)
US2198927A
Cited
US2325060A
Cited
US2367173A
Cited
US2889611A
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AT204680B
Cited
US2973242A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-04-22 | 1966-10-22 | 1967-04-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-04-22 | 1970-10-22 | 1971-04-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-04-22 | 1974-10-22 | 1975-04-23 | $7700.00 | Window Closed / Lapsed |