US2945833A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rubber compositions containing hydrogenated mineral oil and method of preparation
Assignee: Sunoco Inc
•
Filing: 1956-05-24
•
Granted: 1960-07-19
•
Expires: 1976-05-24
Abstract
No abstract record available.
Inventors
- 👤 Archie B Hoel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 01:30
CPC Classifications
C; C08; C08K; C08K5/00; C08K5/01
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
79 words
AS A NEW COMPOSITION OF MATTER, RUBBER SELECTED FROM THE GROUP CONSISTING OF NATURAL RUBBER, SYNTHETIC HOMOPOLYMERS OF CONJUGATED DIENES AND COPOLYMERS OF CONJUGATED DIENES WITH ETHYLENICALLY UNSATURATED MONOMERS, PLASTICIZED WITH HYDROGENATED MINERAL OIL CONTAINING AT LEAST 20 WEIGHT PERCENT OF AROMATIC HYDROCARBONS, AND PREPARED BY CONTACTING A NORMALLY LIQUID MINERAL OIL FRACTION CONTAINING NOT MORE THAN 50 WEIGHT PERCENT OF AROMATIC HYDROCARBONS WITH HYDROGEN TO OBTAIN 2 TO 50 PERCENT REDUCTION IN THE WEIGHT PERCENT OF AROMATIC HYDROCARBONS.
Claim 2
Dependent Claim
79 words
AS A NEW COMPOSITION OF MATTER, RUBBER SELECTED FROM THE GROUP CONSISTING OF NATURAL RUBBER, SYNTHETIC HOMOPOLYMERS OF CONJUGATED DIENES AND COPOLYMERS OF CONJUGATED DIENES WITH ETHYLENICALLY UNSATURATED MONOMERS, PLASTICIZED WITH HYDROGENATED MINERAL OIL CONTAINING AT LEAST 20 WEIGHT PERCENT OF AROMATIC HYDROCARBONS, AND PREPARED BY CONTACTING A NORMALLY LIQUID MINERAL OIL FRACTION CONTAINING NOT MORE THAN 50 WEIGHT PERCENT OF AROMATIC HYDROCARBONS WITH HYDROGEN TO OBTAIN 2 TO 50 PERCENT REDUCTION IN THE WEIGHT PERCENT OF AROMATIC HYDROCARBONS.
References Cited (Backward Citations)
US2364719A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-07-19 | 1964-01-18 | 1964-07-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-07-19 | 1968-01-18 | 1968-07-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-07-19 | 1972-01-18 | 1972-07-19 | $7700.00 | Window Closed / Lapsed |