US3159449A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Modified stereo regulated polyolefin filamentary articles and process for producing such articles
Assignee: HERCULCS POWDER Co
•
Filing: 1960-11-25
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Granted: 1964-12-01
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Expires: 1980-11-25
Abstract
No abstract record available.
Inventors
- 👤 Levine Max
- 👤 Beryl M Kuhn
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 23:30
CPC Classifications
D; D06; D06P; D06P3/00; D06P3/79; D01; D01F; D01F6/00; D01F6/02; D01F6/04; D01F6/06; D02; D02J; D02J1/00; D02J1/22; D02J1/221; D06M; D06M13/00; D06M13/322; D06M13/325; D06M13/342; D06M13/52; Y; Y10; Y10S; Y10S260/00; Y10S260/15; Y10S264/00; Y10S264/71; Y10S8/00; Y10S8/09
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
92 words
A PROCESS FOR MODIFYING STEREO REGULATED POLYOLEFIN FILAMENTARY ARTICLES COMPRISING APPLYING TO STERO REGULATED POLYOLEFIN FILAMENTARY ARTICLES HAVING A CRYSTALLINITY INDEX OF MORE THAN 51, AT LEAST ABOUT 2%, BY WEIGHT, OF A SURFACE ACTIVE AGENT, DRAWING THE COATED FILAMENTARY ARTICLES MORE THAN 1.5 TIMES THEIR ORIGINAL LENGTH AND AT LEAST TO THE POINT WHERE SURFACE CRACKING RESULTS, INTRODUCING A MODIFYING SUBSTANCE INTO THE SURFACE CRACKS, AND SHRINKING THE MODIFIED FILAMENTARY ARTICLES IN A SUBSTANTIALLY RELAXED CONDITION TO CONTRACT THE SURFACE CRACKS AND THEREBY LOCK THE MODIFYING SUBSTANCE INTO THE FILAMENTARY ARTICLES.
Claim 2
Dependent Claim
92 words
A PROCESS FOR MODIFYING STEREO REGULATED POLYOLEFIN FILAMENTARY ARTICLES COMPRISING APPLYING TO STERO REGULATED POLYOLEFIN FILAMENTARY ARTICLES HAVING A CRYSTALLINITY INDEX OF MORE THAN 51, AT LEAST ABOUT 2%, BY WEIGHT, OF A SURFACE ACTIVE AGENT, DRAWING THE COATED FILAMENTARY ARTICLES MORE THAN 1.5 TIMES THEIR ORIGINAL LENGTH AND AT LEAST TO THE POINT WHERE SURFACE CRACKING RESULTS, INTRODUCING A MODIFYING SUBSTANCE INTO THE SURFACE CRACKS, AND SHRINKING THE MODIFIED FILAMENTARY ARTICLES IN A SUBSTANTIALLY RELAXED CONDITION TO CONTRACT THE SURFACE CRACKS AND THEREBY LOCK THE MODIFYING SUBSTANCE INTO THE FILAMENTARY ARTICLES.
References Cited (Backward Citations)
US2287099A
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US2411474A
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US2768057A
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US2677591A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-12-01 | 1968-06-01 | 1968-12-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-12-01 | 1972-06-01 | 1972-12-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-12-01 | 1976-06-01 | 1976-12-01 | $7700.00 | Window Closed / Lapsed |