Patent US3336146A successfully refreshed from Google Patents.
US3336146A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Asphaltic emulsions
Assignee: Mobil Oil AS
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Filing: 1963-12-12
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Granted: 1967-08-15
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Expires: 1983-12-12
Abstract
No abstract record available.
Inventors
- 👤 Henschel Leonard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 18:59
CPC Classifications
C; C08; C08L; C08L95/00; C08L95/005; Y; Y10; Y10S; Y10S106/00; Y10S106/90
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
50 words
A METHOD FOR PREPARING AN ASPHALTIC EMULSION WHICH COMPRISES: PREPARING AN AQUEOUS ACIDIC SLURRY OF A HYDROPHILIC CLAY; PREHEATING SAID SLURRY TO AN ELEVATED TEMPERATURE; PREPARING A PETROLEUM ASPHALT TO AN ELEVATED TEMPERATURE; AND ADMIXING SAID SLURRY WITH SAID ASPHALT IN SUCH AMOUNTS AS TO OBTAIN AN AQUEOUS ASPHALTIC EMULSION.
Claim 2
Independent Claim
50 words
A METHOD FOR PREPARING AN ASPHALTIC EMULSION WHICH COMPRISES: PREPARING AN AQUEOUS ACIDIC SLURRY OF A HYDROPHILIC CLAY; PREHEATING SAID SLURRY TO AN ELEVATED TEMPERATURE; PREPARING A PETROLEUM ASPHALT TO AN ELEVATED TEMPERATURE; AND ADMIXING SAID SLURRY WITH SAID ASPHALT IN SUCH AMOUNTS AS TO OBTAIN AN AQUEOUS ASPHALTIC EMULSION.
Claim 3
Dependent Claim
53 words
A COMPOSITION HAVING A PH FROM ABOUT 4 TO ABOUT 6, COMPRISING: WATER; FROM ABOUT 5 TO ABOUT 20 PERCENT, BY WEIGHT, OF A HYDROPHILIC CLAY, BASED ON THE WEIGHT OF THE CLAY AND WATER; AND PETROLEUM ASPHALT, THE RATIO OF ASPHALT TO CLAY BEING FROM ABOUT 5:1 TO ABOUT 10:1, BY WEIGHT.
Claim 4
Dependent Claim
53 words
A COMPOSITION HAVING A PH FROM ABOUT 4 TO ABOUT 6, COMPRISING: WATER; FROM ABOUT 5 TO ABOUT 20 PERCENT, BY WEIGHT, OF A HYDROPHILIC CLAY, BASED ON THE WEIGHT OF THE CLAY AND WATER; AND PETROLEUM ASPHALT, THE RATIO OF ASPHALT TO CLAY BEING FROM ABOUT 5:1 TO ABOUT 10:1, BY WEIGHT.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-08-14 | 1971-02-13 | 1971-08-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-08-14 | 1975-02-13 | 1975-08-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-08-14 | 1979-02-13 | 1979-08-15 | $7700.00 | Window Closed / Lapsed |