US2888419A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Polyethylene composition containing organopolysiloxane resin
Assignee: General Electric Co
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Filing: 1955-12-05
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Granted: 1959-05-26
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Expires: 1975-12-05
Abstract
No abstract record available.
Inventors
- 👤 Moyer M Safford
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 15:56
CPC Classifications
C; C08; C08L; C08L23/00; C08L23/02; C08L23/04; C08L23/06; C08K; C08K3/00; C08K3/01; C08K3/013; C08L83/00; C08L83/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
83 words
A SOLID COMPOSITION OF IMPROVED EXTRUDIBILITY AND HEAT-AGING CHARACTERISTICS COMPRISING (1) SOLID POLYETHYLENE, (2) A FILLER SELECTED FROM THE GROUP CONSISTING OF SILICA, CARBON BLACK, ALUMINA, AND CALCIUM SILICATE, AND (3) FROM 1 TO 10% BY WEIGHT, BASED ON THE WEIGHT OF THE POLYETHYLENE, OF AN ORGANOPOLYSILOXANE CURABLE TO THE SOLID ELASTIC STATE AND HAVING FROM 1.98 TO 2.01 SILICONBONDED ORGANIC GROUPS PER SILICON ATOM, SAID ORGANIC GROUPS BEING SELECTED FROM THE GROUP CONSISTING OF MONOVALENT HYDROCARBON RADICALS AND MONOVALENT, HALOGENATED-ARYL HYDROCARBON RADICALS.
Claim 2
Dependent Claim
83 words
A SOLID COMPOSITION OF IMPROVED EXTRUDIBILITY AND HEAT-AGING CHARACTERISTICS COMPRISING (1) SOLID POLYETHYLENE, (2) A FILLER SELECTED FROM THE GROUP CONSISTING OF SILICA, CARBON BLACK, ALUMINA, AND CALCIUM SILICATE, AND (3) FROM 1 TO 10% BY WEIGHT, BASED ON THE WEIGHT OF THE POLYETHYLENE, OF AN ORGANOPOLYSILOXANE CURABLE TO THE SOLID ELASTIC STATE AND HAVING FROM 1.98 TO 2.01 SILICONBONDED ORGANIC GROUPS PER SILICON ATOM, SAID ORGANIC GROUPS BEING SELECTED FROM THE GROUP CONSISTING OF MONOVALENT HYDROCARBON RADICALS AND MONOVALENT, HALOGENATED-ARYL HYDROCARBON RADICALS.
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) | 1962-05-25 | 1962-11-24 | 1963-05-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-05-25 | 1966-11-24 | 1967-05-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-05-25 | 1970-11-24 | 1971-05-26 | $7700.00 | Window Closed / Lapsed |