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Patent US2928753A successfully refreshed from Google Patents.
US2928753A
Expired / Lapsed
US
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Asphalt compositions
Assignee: Standard Oil Co
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Filing: 1956-11-19
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Granted: 1960-03-15
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Expires: 1976-11-19
Abstract
No abstract record available.
Inventors
- 👤 John A Schmitt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 18:35
CPC Classifications
C; C08; C08K; C08K5/00; C08K5/04; C08K5/09; C08K5/098
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
66 words
A "NON-ALLIGATORING" COMPOSITION CONSISTING ESSENTIALLY OF A NORMALLY SOLID ASPHALT NORMALLY SUSCEPTIBLE TO "ALLIGATORING" AND FROM ABOUT 0.001% TO ABOUT 0.5% OF AN OIL-SOLUBLE POLYVALENT METAL SOAP OF A HIGH MOLECULAR WEIGHT MONOCARBOXYLIC ACID HAVING A LEAST TEN CARBON ATOMS, SELECTED FROM THE GROUP CONSISTING OF A NAPHTENIC ACID AND OLEIC ACID, SAID POLYVALENT METAL BEING SELECTED FROM THE GROUP CONSISTING OF COPPER, COBALT, AND MANGANESE.
Claim 2
Dependent Claim
66 words
A "NON-ALLIGATORING" COMPOSITION CONSISTING ESSENTIALLY OF A NORMALLY SOLID ASPHALT NORMALLY SUSCEPTIBLE TO "ALLIGATORING" AND FROM ABOUT 0.001% TO ABOUT 0.5% OF AN OIL-SOLUBLE POLYVALENT METAL SOAP OF A HIGH MOLECULAR WEIGHT MONOCARBOXYLIC ACID HAVING A LEAST TEN CARBON ATOMS, SELECTED FROM THE GROUP CONSISTING OF A NAPHTENIC ACID AND OLEIC ACID, SAID POLYVALENT METAL BEING SELECTED FROM THE GROUP CONSISTING OF COPPER, COBALT, AND MANGANESE.
References Cited (Backward Citations)
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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) | 1963-03-15 | 1963-09-14 | 1964-03-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-03-15 | 1967-09-14 | 1968-03-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-03-15 | 1971-09-14 | 1972-03-15 | $7700.00 | Window Closed / Lapsed |