US2978431A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Composition containing polyethylene and a polypropylene glycol monoalkyl ether
Assignee: Union Carbide Corp
•
Filing: 1956-11-20
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Granted: 1961-04-04
•
Expires: 1976-11-20
Abstract
No abstract record available.
Inventors
- 👤 James D Eugle
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 02:10
CPC Classifications
C; C08; C08L; C08L23/00; C08L23/02; C08L23/04; C08L23/06; C08L71/00; C08L71/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
35 words
A HOMOGENEOUS COMPOSITION OF MATTER CONSISTING ESSENTIALLY OF A NORMALLY SOLID POLYETHYLENE AND FROM ABOUT 0.005% TO ABOUT 0.5% BY WEIGHT OF THE POLYETHYLENE OF A POLYPROPYLENE GLYCOL MONOALKYL ETHER REPREPRESENTED BY THE GENERAL FORMULA:
Claim 2
Dependent Claim
35 words
A HOMOGENEOUS COMPOSITION OF MATTER CONSISTING ESSENTIALLY OF A NORMALLY SOLID POLYETHYLENE AND FROM ABOUT 0.005% TO ABOUT 0.5% BY WEIGHT OF THE POLYETHYLENE OF A POLYPROPYLENE GLYCOL MONOALKYL ETHER REPREPRESENTED BY THE GENERAL FORMULA:
References Cited (Backward Citations)
US2293868A
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US2353228A
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US2448664A
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GB601419A
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US2520733A
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US2510540A
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US2519013A
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US2579375A
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US2728755A
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US2668801A
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US2718509A
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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) | 1964-04-03 | 1964-10-03 | 1965-04-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-04-03 | 1968-10-03 | 1969-04-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-04-03 | 1972-10-03 | 1973-04-04 | $7700.00 | Window Closed / Lapsed |