US2904846A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method for coating filamentous articles
Assignee: Phillips Petroleum Co
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Filing: 1956-12-31
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Granted: 1959-09-22
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Expires: 1976-12-31
Abstract
No abstract record available.
Inventors
- 👤 James V Smith
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 06:53
CPC Classifications
B; B29; B29C; B29C48/00; B29C48/03; B29C48/06; B29C48/05; B29C48/15
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
144 words
A METHOD OF APPLYING AN ETHYLENE POLYMER HAVING A CRYSTALLINITY AT 25* C. ABOVE 80 PERCENT IN A PROTECTIVE COATING ON A WIRE SO THAT THE COATING HAS IMPROVED RESISTANCE TO ENVIRONMENTAL STRESS CRACKING WHICH COMPRISES SUPPLYING A POOL OF MOLTEN ETHYLENE POLYMER WHICH IS A POLYMERIZATE OF A MONOMER SYSTEM COMPRISING FROM 85 TO 100 PARTS BY WEIGHT ETHYLENE AND FROM 0 TO 15 PARTS BY WEIGHT MONOOLEFIN HAVING FROM 3 TO 8 CARBON ATOMS PER MOLECULE, DRAWING A WIRE THROUGH SAID POOL SO THAT SAID POLYMER ADHERES TO SAID WIRE, ROTATING ONE END OF SAID WIRE ABOUT ITS LONGITUDINAL AXIS WHILE SAID WIRE IS BEING DRAWN THROUGH SAID POOL THEREBY IMPARTING A PERMANENT TWIST TO SAID WIRE CIRCUMFERENTIALLY, AND COOLING THE POLYMER COATING ON SAID WIRE UNIFORMLY, AND COOLING THE POLYMER COATING ON SAID WIRE UNIFORMLY, SAID COATING HAVING TRANSVERSE MOLECULAR ORIENTATION.
Claim 2
Independent Claim
144 words
A METHOD OF APPLYING AN ETHYLENE POLYMER HAVING A CRYSTALLINITY AT 25* C. ABOVE 80 PERCENT IN A PROTECTIVE COATING ON A WIRE SO THAT THE COATING HAS IMPROVED RESISTANCE TO ENVIRONMENTAL STRESS CRACKING WHICH COMPRISES SUPPLYING A POOL OF MOLTEN ETHYLENE POLYMER WHICH IS A POLYMERIZATE OF A MONOMER SYSTEM COMPRISING FROM 85 TO 100 PARTS BY WEIGHT ETHYLENE AND FROM 0 TO 15 PARTS BY WEIGHT MONOOLEFIN HAVING FROM 3 TO 8 CARBON ATOMS PER MOLECULE, DRAWING A WIRE THROUGH SAID POOL SO THAT SAID POLYMER ADHERES TO SAID WIRE, ROTATING ONE END OF SAID WIRE ABOUT ITS LONGITUDINAL AXIS WHILE SAID WIRE IS BEING DRAWN THROUGH SAID POOL THEREBY IMPARTING A PERMANENT TWIST TO SAID WIRE CIRCUMFERENTIALLY, AND COOLING THE POLYMER COATING ON SAID WIRE UNIFORMLY, AND COOLING THE POLYMER COATING ON SAID WIRE UNIFORMLY, SAID COATING HAVING TRANSVERSE MOLECULAR ORIENTATION.
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) | 1962-09-21 | 1963-03-23 | 1963-09-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-09-21 | 1967-03-23 | 1967-09-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-09-21 | 1971-03-23 | 1971-09-22 | $7700.00 | Window Closed / Lapsed |