Patent US1163688A successfully refreshed from Google Patents.
US3039989A
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Curable polyethylene containing basic lead carbonate and a peroxide curing agent
Assignee: General Electric Co
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Filing: 1959-06-18
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Granted: 1962-06-19
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Expires: 1979-06-18
Abstract
No abstract record available.
Inventors
- 👤 Warren O Eastman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 09:13
CPC Classifications
C; C08; C08K; C08K3/00; C08K3/18; C08K3/24; C08K3/26; C08K5/00; C08K5/04; C08K5/14; C08L; C08L23/00; C08L23/02; C08L23/04; C08L23/06; C08L2312/00; C08L39/00; C08L39/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
66 words
A CURABLE COMPOSITION COMPRISING 30% TO 65% BY WEIGHT OF POLYETHYLENE, A PEROXIDE IN WHICH EACH OF THE PEROXIDE IS LINKED DIRECTLY TO A TERTIARY CARBON ATOM WHOSE REMAINING VALENCES ARE ATTACHED TO RADICALS SELECTED FROM THE GROUP CONSISTING OF ALKYL, CYCLOALKYL, ALKYLCYCLOALKYL, ARYL, AND ARALKYL TO THE EXTENT OF ABOUT 4% BY WEIGHT OF THE POLYETHYLENE PRESENT, AND THE BALANCE CONSISTING OF BASIC LEAD CARBONATE.
Claim 2
Dependent Claim
66 words
A CURABLE COMPOSITION COMPRISING 30% TO 65% BY WEIGHT OF POLYETHYLENE, A PEROXIDE IN WHICH EACH OF THE PEROXIDE IS LINKED DIRECTLY TO A TERTIARY CARBON ATOM WHOSE REMAINING VALENCES ARE ATTACHED TO RADICALS SELECTED FROM THE GROUP CONSISTING OF ALKYL, CYCLOALKYL, ALKYLCYCLOALKYL, ARYL, AND ARALKYL TO THE EXTENT OF ABOUT 4% BY WEIGHT OF THE POLYETHYLENE PRESENT, AND THE BALANCE CONSISTING OF BASIC LEAD CARBONATE.
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) | 1965-06-18 | 1965-12-18 | 1966-06-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-06-18 | 1969-12-18 | 1970-06-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-06-18 | 1973-12-18 | 1974-06-19 | $7700.00 | Window Closed / Lapsed |