Patent US3274968A successfully refreshed from Google Patents.
Patent US2499756A successfully refreshed from Google Patents.
US2499756A
Expired / Lapsed
US
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Mixture of polyethylene with hydrocarbon obtained by hydrogenation of carbon monoxide
Assignee: EIDP Inc
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Filing: 1945-09-06
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Granted: 1950-03-07
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Expires: 1965-09-06
Abstract
No abstract record available.
Inventors
- 👤 Jacobson Ralph Albert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 12:17
CPC Classifications
E; E02; E02D; E02D5/00; E02D5/22; E02D5/56; C; C08; C08L; C08L23/00; C08L23/02; C08L23/04; C08L23/06; C08L57/00; C08L57/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
131 words
A COMPOSITION OF MATTER COMPRISING A BLEND OF AN ETHYLENE POLYMER WHICH MELTS AT A TEMPERATURE IN THE RANGE OF 85* TO 120*C., COMPOUNDS IN COMPOSITION SUBSTANTIALLY TO (CH2,CH2)Z, HAS AN INTRINSIC VISCOSITY OF AT LEAST 0.60, AND HAS A PERMANENT ELONGATION OF AT LEAST 300% WITH RESULTING MOLECULAR ORIENTATION IN THE DIRECTION OF ELONGATION, AND A PARAFFIN HYDROCARBON OBTAINED BY THE CATALYTIC HYDROGENATION OF CARBON MONOXIDE, CHARACTERIZED IN THAT IT HAS A MELTING POINT ABOVE 120*C., A BENDING MODULUS GREATER THAN 0.070X106 POUNDS PER SQUARE INCH, AND AN INITIAL PERMEABILITY VALUE OF LESS THAN 20 I. P. V. UNITS AT ONE MIL THICKNESS, SAID BLEND OF ETHYLENE POLYMER AND PARAFFIN HYDROCARBON CONSISTING OF FROM 80% TO 60% OF SAID ETHYLENE POLYMER AND FROM 20% TO 40% OF SAID PARAFFIN HYDROCARBON.
Claim 2
Dependent Claim
131 words
A COMPOSITION OF MATTER COMPRISING A BLEND OF AN ETHYLENE POLYMER WHICH MELTS AT A TEMPERATURE IN THE RANGE OF 85* TO 120*C., COMPOUNDS IN COMPOSITION SUBSTANTIALLY TO (CH2,CH2)Z, HAS AN INTRINSIC VISCOSITY OF AT LEAST 0.60, AND HAS A PERMANENT ELONGATION OF AT LEAST 300% WITH RESULTING MOLECULAR ORIENTATION IN THE DIRECTION OF ELONGATION, AND A PARAFFIN HYDROCARBON OBTAINED BY THE CATALYTIC HYDROGENATION OF CARBON MONOXIDE, CHARACTERIZED IN THAT IT HAS A MELTING POINT ABOVE 120*C., A BENDING MODULUS GREATER THAN 0.070X106 POUNDS PER SQUARE INCH, AND AN INITIAL PERMEABILITY VALUE OF LESS THAN 20 I. P. V. UNITS AT ONE MIL THICKNESS, SAID BLEND OF ETHYLENE POLYMER AND PARAFFIN HYDROCARBON CONSISTING OF FROM 80% TO 60% OF SAID ETHYLENE POLYMER AND FROM 20% TO 40% OF SAID PARAFFIN HYDROCARBON.
References Cited (Backward Citations)
US2351345A
Cited
US2352328A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-03-06 | 1953-09-05 | 1954-03-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-03-06 | 1957-09-05 | 1958-03-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-03-06 | 1961-09-05 | 1962-03-07 | $7700.00 | Window Closed / Lapsed |