US3285883A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cured polymers of alpha-olefins and their preparation
Assignee: Mobil Oil AS
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Filing: 1963-09-23
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Granted: 1966-11-15
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Expires: 1983-09-23
Abstract
No abstract record available.
Inventors
- 👤 Thomas H Shepherd
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 04:08
CPC Classifications
C; C08; C08K; C08K3/00; C08K3/02; C08K3/06; C08K5/00; C08K5/04; C08K5/07; C08K5/08; Y; Y10; Y10S; Y10S8/00; Y10S8/09
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
59 words
A METHOD FOR CURING NORMALLY SOLID POLYMERS OF AN ALPHA-OLEFIN WHICH COMPRISES HEATING A NORMALLY SOLID POLYMER OF AN ALPHA-OLEFIN, BLENDED WITH A SMALL AMOUNT, BASED ON THE WEIGHT OF SAID POLYMER, OF A TETRAHALOQUINONE AS A CURING AGENT, AT A TEMPERATURE ABOVE THE MELTING POINT OF SAID BLEND, FOR A PERIOD OF TIME SUFFICIENT TO CROSS-LINK SAID POLYMER.
Claim 2
Independent Claim
59 words
A METHOD FOR CURING NORMALLY SOLID POLYMERS OF AN ALPHA-OLEFIN WHICH COMPRISES HEATING A NORMALLY SOLID POLYMER OF AN ALPHA-OLEFIN, BLENDED WITH A SMALL AMOUNT, BASED ON THE WEIGHT OF SAID POLYMER, OF A TETRAHALOQUINONE AS A CURING AGENT, AT A TEMPERATURE ABOVE THE MELTING POINT OF SAID BLEND, FOR A PERIOD OF TIME SUFFICIENT TO CROSS-LINK SAID POLYMER.
Claim 3
Dependent Claim
14 words
A METHOD AS DEFINED IN CLAIM 1 WHEREIN THE TETRAHALOQUINONE HAS THE FOLLOWING STRUCTURE:
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) | 1969-11-14 | 1970-05-16 | 1970-11-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-11-14 | 1974-05-16 | 1974-11-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-11-14 | 1978-05-16 | 1978-11-15 | $7700.00 | Window Closed / Lapsed |