US2775530A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Bitumen and aggregate composition and a building block molded therefrom
Assignee: Phillips Petroleum Co
•
Filing: 1952-08-18
•
Granted: 1956-12-25
•
Expires: 1972-08-18
Abstract
No abstract record available.
Inventors
- 👤 Duane W Gagle
- 👤 Charles E Defabaugh
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 01:07
CPC Classifications
C; C08; C08L; C08L95/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
66 words
A MOISTURE RESISTANT PAVING COMPOSITION COMPRISING BITUMEN; MINERAL AGGREGATE; FROM 0.02 TO 15 WEIGHT PERCENT OF SAID BITUMEN OF A SOLUBLE POLYVALENT METAL SALT OF A STRONG MINERAL ACID; AND FROM 0.1 TO 3 WEIGHT PERCENT OF SAID BITUMEN OF HF ACID-SOLUBLE OIL OBTAINED AS A BY-PRODUCT FROM AN HF CATALYZED HYDROCARBON CONVERSION PROCESS AND HAVING A HIGHER BOILING POINT THAN ANY OF THE REACTANT HYDROCARBONS.
Claim 2
Dependent Claim
66 words
A MOISTURE RESISTANT PAVING COMPOSITION COMPRISING BITUMEN; MINERAL AGGREGATE; FROM 0.02 TO 15 WEIGHT PERCENT OF SAID BITUMEN OF A SOLUBLE POLYVALENT METAL SALT OF A STRONG MINERAL ACID; AND FROM 0.1 TO 3 WEIGHT PERCENT OF SAID BITUMEN OF HF ACID-SOLUBLE OIL OBTAINED AS A BY-PRODUCT FROM AN HF CATALYZED HYDROCARBON CONVERSION PROCESS AND HAVING A HIGHER BOILING POINT THAN ANY OF THE REACTANT HYDROCARBONS.
References Cited (Backward Citations)
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Cited
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US2220670A
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Cited
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Cited
US2570925A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-12-25 | 1960-06-25 | 1960-12-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-12-25 | 1964-06-25 | 1964-12-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-12-25 | 1968-06-25 | 1968-12-25 | $7700.00 | Window Closed / Lapsed |