US3166609A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Blends of trans-polybutadiene with rubber
Assignee: Phillips Petroleum Co
•
Filing: 1960-11-21
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Granted: 1965-01-19
•
Expires: 1980-11-21
Abstract
No abstract record available.
Inventors
- 👤 Charles R Wilder
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 17:33
CPC Classifications
C; C08; C08L; C08L21/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
81 words
AS A NEW COMPOSITION OF MATTER, A BLEND COMPRISING AN UNVULCANIZED TRANS-POLY BUTADIENE HAVING AT LEAST 70 PERCENT TRANS 1,4-ADDITION, NOT MORE THAN 10% 1,2-ADDITION AND THE REMAINDER BEING CIS 1,4-ADDITION,, AND FROM 10 TO 60 WEIGHT PARTS PER 100 PARTS OF BLEND OF A DIFFERENT UNVULCANIZED RUBBERY POLYMER CONTAINING AT LEAST 50 WEIGHT PERCENT OF A POLYMERIZED CONJUGATED DIENE HAVING FROM 4 TO 10 CARBON ATOMS PER MOLECULE AND HAVING A MOONEY VISCOSITY (ML-4 AT 212*F.) OF AT LEAST 75.
Claim 2
Dependent Claim
81 words
AS A NEW COMPOSITION OF MATTER, A BLEND COMPRISING AN UNVULCANIZED TRANS-POLY BUTADIENE HAVING AT LEAST 70 PERCENT TRANS 1,4-ADDITION, NOT MORE THAN 10% 1,2-ADDITION AND THE REMAINDER BEING CIS 1,4-ADDITION,, AND FROM 10 TO 60 WEIGHT PARTS PER 100 PARTS OF BLEND OF A DIFFERENT UNVULCANIZED RUBBERY POLYMER CONTAINING AT LEAST 50 WEIGHT PERCENT OF A POLYMERIZED CONJUGATED DIENE HAVING FROM 4 TO 10 CARBON ATOMS PER MOLECULE AND HAVING A MOONEY VISCOSITY (ML-4 AT 212*F.) OF AT LEAST 75.
References Cited (Backward Citations)
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Cited
US2610163A
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US2726221A
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US3050513A
Cited
US3067188A
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US3060989A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-01-19 | 1968-07-20 | 1969-01-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-01-19 | 1972-07-20 | 1973-01-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-01-19 | 1976-07-20 | 1977-01-19 | $7700.00 | Window Closed / Lapsed |