US2847367A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Microcrystalline wax compositions
Assignee: Pure Oil Co
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Filing: 1954-10-29
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Granted: 1958-08-12
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Expires: 1974-10-29
Abstract
No abstract record available.
Inventors
- 👤 John W Walsh
- 👤 Annable Weldon Grant
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 02:59
CPC Classifications
C; C08; C08L; C08L91/00; C08L91/06; C08L91/08
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
75 words
A MICROCRYSTALLINE HYDROCARBON WAX COMPOSITION OF HIGH LAMINATING STRENGTH AND LOW-TEMPERATURE FLEXIBILITY CONSISTING OF APPROXIMATELY 85 PARTS BY WEIGHT SUBSTANTIALLY OIL-FREE MICROCRYSTALLINE HYDROCARBON WAX HAVING A MELTING POINT BETWEEN 170 AND 180*F. AND APPROXIMATELY 15 PARTS BY WEIGHT OF AN AROMATIC EXTRACT OBTAINED BY SOLVENT EXTRACTION OF MINERAL LUBRICATING OIL FRACTIONS. SAID COMPOSITION HAVING A LAMINATING STRENGTH OF AT LEAST 69 GRAMS PER INCH AND A FLEXIBILITY AT ABOUT -10*F. OF AT LEAST 30 BENDS.
Claim 2
Dependent Claim
75 words
A MICROCRYSTALLINE HYDROCARBON WAX COMPOSITION OF HIGH LAMINATING STRENGTH AND LOW-TEMPERATURE FLEXIBILITY CONSISTING OF APPROXIMATELY 85 PARTS BY WEIGHT SUBSTANTIALLY OIL-FREE MICROCRYSTALLINE HYDROCARBON WAX HAVING A MELTING POINT BETWEEN 170 AND 180*F. AND APPROXIMATELY 15 PARTS BY WEIGHT OF AN AROMATIC EXTRACT OBTAINED BY SOLVENT EXTRACTION OF MINERAL LUBRICATING OIL FRACTIONS. SAID COMPOSITION HAVING A LAMINATING STRENGTH OF AT LEAST 69 GRAMS PER INCH AND A FLEXIBILITY AT ABOUT -10*F. OF AT LEAST 30 BENDS.
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) | 1961-08-11 | 1962-02-10 | 1962-08-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-08-11 | 1966-02-10 | 1966-08-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-08-11 | 1970-02-10 | 1970-08-12 | $7700.00 | Window Closed / Lapsed |