US3274016A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for manufacture of solid compositions comprising asphalt and clay containing soils
Assignee: ExxonMobil Technology and Engineering Co
•
Filing: 1963-06-24
•
Granted: 1966-09-20
•
Expires: 1983-06-24
Abstract
No abstract record available.
Inventors
- 👤 Dilworth T Rogers
- 👤 John C Munday
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 16:56
CPC Classifications
C; C08; C08K; C08K3/00; C08K3/34; C08K3/346
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
129 words
A PROCESS FOR THE MANUFACTURE OF A HARD BITUMINOUS SOLID COMPOSITION WHICH COMPRISES THE STEPS OF: (A) MIXING A CLAY WITH AN EXCESS OF WATER TO FORM A SLURRY, SAID CLAY BEING ONE WHICH EXPANDS IN THE PRESENCE OF WATER OR OTHER POLAR MATERIAL, (B) ADDING A SALT OF A NITROGENOUS BASE UNTIL SAID CLAY SEPARATES FROM THE WATER AND FLOATS, (C) REMOVING THE CLAY FROM THE WATER AND DRYING IT AR A TEMPERATURE OF FROM 220* TO 240* F., (D) MIXING THE TREATED CLAY WITH FROM 8 TO 20 WT. PERCENT OF A BIITUMINOUS BINDER, (E) COMPRESSING THE MIXTURE TO 80 TO 98% OF ITS THEORETICAL DENSITY, AND (F) CURING THE COMPRESSED MIXTURE AT A TEMPERATURE OF FROM 300* TO 500* F. FOR FROM 4 TO 80 HOURS.
Claim 2
Dependent Claim
129 words
A PROCESS FOR THE MANUFACTURE OF A HARD BITUMINOUS SOLID COMPOSITION WHICH COMPRISES THE STEPS OF: (A) MIXING A CLAY WITH AN EXCESS OF WATER TO FORM A SLURRY, SAID CLAY BEING ONE WHICH EXPANDS IN THE PRESENCE OF WATER OR OTHER POLAR MATERIAL, (B) ADDING A SALT OF A NITROGENOUS BASE UNTIL SAID CLAY SEPARATES FROM THE WATER AND FLOATS, (C) REMOVING THE CLAY FROM THE WATER AND DRYING IT AR A TEMPERATURE OF FROM 220* TO 240* F., (D) MIXING THE TREATED CLAY WITH FROM 8 TO 20 WT. PERCENT OF A BIITUMINOUS BINDER, (E) COMPRESSING THE MIXTURE TO 80 TO 98% OF ITS THEORETICAL DENSITY, AND (F) CURING THE COMPRESSED MIXTURE AT A TEMPERATURE OF FROM 300* TO 500* F. FOR FROM 4 TO 80 HOURS.
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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) | 1969-09-19 | 1970-03-21 | 1970-09-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-09-19 | 1974-03-21 | 1974-09-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-09-19 | 1978-03-21 | 1978-09-20 | $7700.00 | Window Closed / Lapsed |