US2944039A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method for preparing homogeneous composition comprising oxidized petroleum wax and a polymer of a monovinyl aromatic compound
Assignee: Sunoco Inc
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Filing: 1957-11-07
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Granted: 1960-07-05
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Expires: 1977-11-07
Abstract
No abstract record available.
Inventors
- 👤 Samuel E Jolly
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 21:07
CPC Classifications
C; C10; C10G; C10G73/00; C10G73/38; C08; C08F; C08F2/00; C08F2/36; C08L; C08L91/00; C08L91/06; C08L91/08
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
40 words
METHOD FOR PREPARATION OF SAPONIFIABLE MATERIALS HAVING LOW PENETRATION WHICH COMPRISES: CONTACTING PARTIALLY OXIDIZED PETROLEUM WAX HAVING SAPONIFICATION NUMBER WITHIN THE RANGE FROM 30 TO 150 MG OF KOH PER HRAM WITH A MONOVINYL AROMATIC COMPOUND HAVING THE FOLLOWING FORMULA:
Claim 2
Dependent Claim
40 words
METHOD FOR PREPARATION OF SAPONIFIABLE MATERIALS HAVING LOW PENETRATION WHICH COMPRISES: CONTACTING PARTIALLY OXIDIZED PETROLEUM WAX HAVING SAPONIFICATION NUMBER WITHIN THE RANGE FROM 30 TO 150 MG OF KOH PER HRAM WITH A MONOVINYL AROMATIC COMPOUND HAVING THE FOLLOWING FORMULA:
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) | 1963-07-05 | 1964-01-04 | 1964-07-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-07-05 | 1968-01-04 | 1968-07-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-07-05 | 1972-01-04 | 1972-07-05 | $7700.00 | Window Closed / Lapsed |