Patent US2875170A successfully refreshed from Google Patents.
US2875170A
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Vulcanizable oil extended rubber composition and method of preparing
Assignee: Pure Oil Co
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Filing: 1953-07-29
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Granted: 1959-02-24
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Expires: 1973-07-29
Abstract
No abstract record available.
Inventors
- 👤 George W Ayers
- 👤 Marcellus J Geerts
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 11:10
CPC Classifications
C; C08; C08K; C08K5/00; C08K5/01; C08L; C08L9/00; C08L9/06; C08L23/00; C08L23/02; C08L23/10; C08L23/12; C08L23/18; C08L23/20; C08L23/22
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
74 words
AN IMPROVED VULCANIZABLE RUBBER COMPOSITION COMPRISING AN UNVULCANIZED SYNTHETIC RUBBER HYDROCARBON HAVING PERMANENTLY INCORPORATED THEREIN 25 TO 100 PARTS PER 100 PARTS OF THE HYDROCARBON OF A MIXTURE OF (1) A MINERAL OIL SELECTED FROM THE GROUP CONSISTING OF LUBRICATING OIL AND AROMATIC SOLVENT EXTRAS OBTAINED IN THE SOLVENT DEFINING OF MINERAL LUBRICATING OILS, AND (2) AN OILY MATERIAL SELECTED FROM THE GROUP CONSISTING OF POLYISOBUTENES, POLYPROPENES, AND MIXTURES THEREOF, AND A VULCANIZING AGENT.
Claim 2
Dependent Claim
74 words
AN IMPROVED VULCANIZABLE RUBBER COMPOSITION COMPRISING AN UNVULCANIZED SYNTHETIC RUBBER HYDROCARBON HAVING PERMANENTLY INCORPORATED THEREIN 25 TO 100 PARTS PER 100 PARTS OF THE HYDROCARBON OF A MIXTURE OF (1) A MINERAL OIL SELECTED FROM THE GROUP CONSISTING OF LUBRICATING OIL AND AROMATIC SOLVENT EXTRAS OBTAINED IN THE SOLVENT DEFINING OF MINERAL LUBRICATING OILS, AND (2) AN OILY MATERIAL SELECTED FROM THE GROUP CONSISTING OF POLYISOBUTENES, POLYPROPENES, AND MIXTURES THEREOF, AND A VULCANIZING AGENT.
References Cited (Backward Citations)
US2324980A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-02-23 | 1962-08-25 | 1963-02-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-02-23 | 1966-08-25 | 1967-02-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-02-23 | 1970-08-25 | 1971-02-24 | $7700.00 | Window Closed / Lapsed |