US2954337A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Composition of matter consisting of a microcrystalline wax and 5-25% of an aromatic petroleum extract
Assignee: Sinclair Refining Co
•
Filing: 1953-07-16
•
Granted: 1960-09-27
•
Expires: 1973-07-16
Abstract
No abstract record available.
Inventors
- 👤 Edward J Martin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 11:01
CPC Classifications
C; C08; C08L; C08L91/00; C08L91/06; C08L91/08; Y; Y10; Y10T; Y10T428/00; Y10T428/31504; Y10T428/31801; Y10T428/31804
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
54 words
A MICROCRYSTALLINE WAS COMPOSITION OF IMPROVED LAMINATION STRENGTH WHICH ESSENTIALLY COMPRISES A MICROCRYSTALLINE WAX FRACTION BASE WHICH HAS BEEN DEOILED TO A HARDNESS IN TERMS OF NEEDLE PENETRATION AT 77* F. OF LESS THAN ABOUT 24 TO 25 AND ABOUT 5 TO 25 WEIGHT PERCENT BASED ON THE COMPOSITION OF AN AROMATIC PETROLEUM EXTRACT.
Claim 2
Dependent Claim
54 words
A MICROCRYSTALLINE WAS COMPOSITION OF IMPROVED LAMINATION STRENGTH WHICH ESSENTIALLY COMPRISES A MICROCRYSTALLINE WAX FRACTION BASE WHICH HAS BEEN DEOILED TO A HARDNESS IN TERMS OF NEEDLE PENETRATION AT 77* F. OF LESS THAN ABOUT 24 TO 25 AND ABOUT 5 TO 25 WEIGHT PERCENT BASED ON THE COMPOSITION OF AN AROMATIC PETROLEUM EXTRACT.
References Cited (Backward Citations)
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Cited
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US2444269A
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US2535604A
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US2598257A
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US2599130A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-09-27 | 1964-03-28 | 1964-09-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-09-27 | 1968-03-28 | 1968-09-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-09-27 | 1972-03-28 | 1972-09-27 | $7700.00 | Window Closed / Lapsed |