US2877206A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for the peroxide treatment of blends of polymers of 1-olefins and hydrogenated diene polymers and products thereof
Assignee: Phillips Petroleum Co
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Filing: 1955-12-16
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Granted: 1959-03-10
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Expires: 1975-12-16
Abstract
No abstract record available.
Inventors
- 👤 Johnny N Scott
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 11:52
CPC Classifications
C; C08; C08L; C08L15/00; C08K; C08K5/00; C08K5/04; C08K5/14; C08L23/00; C08L23/02; C08L23/04; C08L23/06; Y; Y10; Y10S; Y10S260/00; Y10S260/28; Y10S525/00; Y10S525/94
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
101 words
AS A NEW COMPOSITION OF MATTER CURED BLEND OF A HYDROGENATED RUBBERY HOMOPOLYMER OF 1,3-BUTADIENE PREPARED BY EMULSION POLYMERIZATION, THE UNSATURATION OF SAID POLYMER HAVING BEEN REDUCED BY HYDROGENATION TO A VALUE WITHIN THE RANGE OF 5 TO 50 PERCENT OF THEORETICAL, AND 5 TO 95 PARTS PER 100 PARTS OF THE BLEND OF A SOLID POLYMER OF ETHYLENE, SAID BLEND HAVING BEEN CURED BY HEATING SAME IN THE PRESENCE OF 0.5 TO 10 PARTS BY WEIGHT OF BENZOYL PEROXIDE AT A TEMPERATURE OF 200 TO 500* F. FOR 5 TO 60 MINUTES SAID BENZOYL PEROXIDE BEING THE SOLE CURING AGENT.
Claim 2
Dependent Claim
101 words
AS A NEW COMPOSITION OF MATTER CURED BLEND OF A HYDROGENATED RUBBERY HOMOPOLYMER OF 1,3-BUTADIENE PREPARED BY EMULSION POLYMERIZATION, THE UNSATURATION OF SAID POLYMER HAVING BEEN REDUCED BY HYDROGENATION TO A VALUE WITHIN THE RANGE OF 5 TO 50 PERCENT OF THEORETICAL, AND 5 TO 95 PARTS PER 100 PARTS OF THE BLEND OF A SOLID POLYMER OF ETHYLENE, SAID BLEND HAVING BEEN CURED BY HEATING SAME IN THE PRESENCE OF 0.5 TO 10 PARTS BY WEIGHT OF BENZOYL PEROXIDE AT A TEMPERATURE OF 200 TO 500* F. FOR 5 TO 60 MINUTES SAID BENZOYL PEROXIDE BEING THE SOLE CURING AGENT.
References Cited (Backward Citations)
US2628214A
Cited
US2692257A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-03-09 | 1962-09-08 | 1963-03-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-03-09 | 1966-09-08 | 1967-03-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-03-09 | 1970-09-08 | 1971-03-10 | $7700.00 | Window Closed / Lapsed |