US3330677A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Strong water resistant asphalt solid compositions and process of manufacture
Assignee: ExxonMobil Technology and Engineering Co
•
Filing: 1963-02-28
•
Granted: 1967-07-11
•
Expires: 1983-02-28
Abstract
No abstract record available.
Inventors
- 👤 Dilworth T Rogers
- 👤 John C Munday
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 23:16
CPC Classifications
C; C10; C10C; C10C3/00; C10C3/002; C08; C08K; C08K3/00; C08K3/34; C08K3/346; C08L; C08L95/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
108 words
IN A PROCESS FOR THE MANUFACTURE OF A HARD BITUMINOUS SOLID COMPOSITION COMPRISING MIXING FROM ABOUT 8 TO 30 WT. PERCENT OF A BITUMINOUS BINDER WITH FINELY DIVIDED SOLID, BASED ON THE SOLID, THE IMPROVEMENT COMPRISING COMPRESSING THE MIXTURE TO ABOUT 80 TO 98% OF ITS THEORETICAL DENSITY, THEREAFTER CURING THE MIXTURE AT A TEMPERATURE IN THE RANGE FROM ABOUT 300* TO 500*F. FOR A TIME IN THE RANGE OF FROM ABOUT 4 TO 80 HOURS, THEREAFTER IMPREGNATING THE SURFACE OF THE SOLID COMPOSITION WITH AN ASPHALT AND RECURING SAID COMPOSITION AT A TEMPERATURE IN THE RANGE FROM ABOUT 250* TO 500*F. FOR FROM 0.25 TO 4.0 HOURS.
Claim 2
Dependent Claim
108 words
IN A PROCESS FOR THE MANUFACTURE OF A HARD BITUMINOUS SOLID COMPOSITION COMPRISING MIXING FROM ABOUT 8 TO 30 WT. PERCENT OF A BITUMINOUS BINDER WITH FINELY DIVIDED SOLID, BASED ON THE SOLID, THE IMPROVEMENT COMPRISING COMPRESSING THE MIXTURE TO ABOUT 80 TO 98% OF ITS THEORETICAL DENSITY, THEREAFTER CURING THE MIXTURE AT A TEMPERATURE IN THE RANGE FROM ABOUT 300* TO 500*F. FOR A TIME IN THE RANGE OF FROM ABOUT 4 TO 80 HOURS, THEREAFTER IMPREGNATING THE SURFACE OF THE SOLID COMPOSITION WITH AN ASPHALT AND RECURING SAID COMPOSITION AT A TEMPERATURE IN THE RANGE FROM ABOUT 250* TO 500*F. FOR FROM 0.25 TO 4.0 HOURS.
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) | 1970-07-10 | 1971-01-09 | 1971-07-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-07-10 | 1975-01-09 | 1975-07-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-07-10 | 1979-01-09 | 1979-07-11 | $7700.00 | Window Closed / Lapsed |