US2993874A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rubber-like compositions obtained by extending high viscosity butadiene polymers
Assignee: Sunoco Inc
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Filing: 1955-06-17
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Granted: 1961-07-25
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Expires: 1975-06-17
Abstract
No abstract record available.
Inventors
- 👤 Archie B Hoel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 23:31
CPC Classifications
C; C08; C08L; C08L9/00; C08L9/06; C08L21/00; C08K; C08K5/00; C08K5/01; C08L93/00; C08L93/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
85 words
A RUBBER-LIKE COMPOSITION HAVING COMPOUNDED MOONEY VISCOSITY WITHIN THE APPROXIMATE RANGE FROM 40 TO 80 AND COMPRISING: A BUTADIENE POLYMER HAVING MOONEY VISOSITY OF AT LEAST 110, A ROSIN MATERIAL SELECTED FROM THE GROUP CONSISTING OF ROSIN AND ROSIN DERIVATIVES, AND A PETROLEUM OIL, THE RATIO OF SAID ROSIN MATERIAL TO SAID OIL BEING WITHIN THE APPROXIMATE RANGE FROM 10 TO 100 PARTS BY WEIGHT PER 10 PARTS OF OIL, THE AMOUNT OF OIL AND ROSIN MATERIAL BEING SUFFICIENT TO PRODUCE SAID COMPOUNDED MOONEY VISCOSITY.
Claim 2
Dependent Claim
85 words
A RUBBER-LIKE COMPOSITION HAVING COMPOUNDED MOONEY VISCOSITY WITHIN THE APPROXIMATE RANGE FROM 40 TO 80 AND COMPRISING: A BUTADIENE POLYMER HAVING MOONEY VISOSITY OF AT LEAST 110, A ROSIN MATERIAL SELECTED FROM THE GROUP CONSISTING OF ROSIN AND ROSIN DERIVATIVES, AND A PETROLEUM OIL, THE RATIO OF SAID ROSIN MATERIAL TO SAID OIL BEING WITHIN THE APPROXIMATE RANGE FROM 10 TO 100 PARTS BY WEIGHT PER 10 PARTS OF OIL, THE AMOUNT OF OIL AND ROSIN MATERIAL BEING SUFFICIENT TO PRODUCE SAID COMPOUNDED MOONEY VISCOSITY.
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) | 1964-07-24 | 1965-01-23 | 1965-07-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-07-24 | 1969-01-23 | 1969-07-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-07-24 | 1973-01-23 | 1973-07-25 | $7700.00 | Window Closed / Lapsed |