US2585336A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Quick-breaking bituminous emulsion
Assignee: American Bitumuls and Asphalt Co
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Filing: 1948-06-14
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Granted: 1952-02-12
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Expires: 1968-06-14
Abstract
No abstract record available.
Inventors
- 👤 Paul E Mccoy
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 18:43
CPC Classifications
C; C08; C08L; C08L95/00; C08L95/005
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
94 words
A QUICK-BREAKING OIL-IN-WATER TYPE EMULSION CONSISTING ESSENTIALLY OF WATER, A BITUMEN, A WATER-SOLUBLE SALT OF AN OXY-ACID OF CHROMIUM IN A SMALL AMOUNT SUFFICIENT TO IMPROVE SUBSTANTIALLY THE ADHESION OF SAID BITUMEN FOR HYDROPHILIC AGGREGATE, AND SULFONATED TAIL OIL IN AN EFFECTIVE AMOUNT, UP TO ABOUT 10%, BASED ON THE BITUMEN, FOR EMULSIFICATION OF SAID BITUMEN, WHEREBY THE ADHESION-PROMOTING PROPERTIES OF SAID WATER-SOLUBLE SALT OF AN OXY-ACID OF CHROMIUM AR SUBSTANTIALLY ENHANCED, AND THE EMULSION HAS SUPERIOR PROPERTIES OF DEMULSIBILITY AND DEHYDRATION, IN ADDITION TO THE BITUMEN THEREOF HAVING SUPERIOR ADHESION FOR HYDROPHILIC AGGREGATE.
Claim 2
Dependent Claim
94 words
A QUICK-BREAKING OIL-IN-WATER TYPE EMULSION CONSISTING ESSENTIALLY OF WATER, A BITUMEN, A WATER-SOLUBLE SALT OF AN OXY-ACID OF CHROMIUM IN A SMALL AMOUNT SUFFICIENT TO IMPROVE SUBSTANTIALLY THE ADHESION OF SAID BITUMEN FOR HYDROPHILIC AGGREGATE, AND SULFONATED TAIL OIL IN AN EFFECTIVE AMOUNT, UP TO ABOUT 10%, BASED ON THE BITUMEN, FOR EMULSIFICATION OF SAID BITUMEN, WHEREBY THE ADHESION-PROMOTING PROPERTIES OF SAID WATER-SOLUBLE SALT OF AN OXY-ACID OF CHROMIUM AR SUBSTANTIALLY ENHANCED, AND THE EMULSION HAS SUPERIOR PROPERTIES OF DEMULSIBILITY AND DEHYDRATION, IN ADDITION TO THE BITUMEN THEREOF HAVING SUPERIOR ADHESION FOR HYDROPHILIC AGGREGATE.
References Cited (Backward Citations)
DE314017C
Cited
DE310541C
Cited
GB263307A
Cited
US1888295A
Cited
US2190604A
Cited
GB547242A
Cited
US2412526A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-02-11 | 1955-08-13 | 1956-02-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-02-11 | 1959-08-13 | 1960-02-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-02-11 | 1963-08-13 | 1964-02-12 | $7700.00 | Window Closed / Lapsed |