Patent US2670304A successfully refreshed from Google Patents.
US2670304A
Expired / Lapsed
US
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Manufacture of bituminous emulsions
Assignee: American Bitumuls and Asphalt Co
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Filing: 1950-10-30
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Granted: 1954-02-23
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Expires: 1970-10-30
Abstract
No abstract record available.
Inventors
- 👤 Paul E Mccoy
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 18:01
CPC Classifications
C; C08; C08L; C08L95/00; C08L95/005; Y; Y10; Y10S; Y10S516/00; Y10S516/924
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
63 words
THE PROCESS OF INCORPORATING AN ELECTROLYTE IN A QUICK-BREAKING OIL-IN-WATER TYPE BITUMINOUS EMULSION MEETING A.S.T.M. SPECIFICATION D-401 WHICH COMPRISES ADDING SAID ELECTROLYTE TO A HOT PREFORMED QUICK-BREAKING OIL-IN-WATER TYPE BITUMINOUS EMULSION MEETING A.S.T.M. SPECIFICATIONS D-401, AND THEN SUBJECTING THE SO-TREATED EMULSION, WHILE STILL HOT, TO A HIGH-SPEED GRINDING, SHEARING ACTION AND VIGOROUS AGITATION, WHEREBY THE ELECTROLYTE-TREATED EMULSION REMAINS STABLE DURING STORAGE AND HANDLING.
Claim 2
Dependent Claim
63 words
THE PROCESS OF INCORPORATING AN ELECTROLYTE IN A QUICK-BREAKING OIL-IN-WATER TYPE BITUMINOUS EMULSION MEETING A.S.T.M. SPECIFICATION D-401 WHICH COMPRISES ADDING SAID ELECTROLYTE TO A HOT PREFORMED QUICK-BREAKING OIL-IN-WATER TYPE BITUMINOUS EMULSION MEETING A.S.T.M. SPECIFICATIONS D-401, AND THEN SUBJECTING THE SO-TREATED EMULSION, WHILE STILL HOT, TO A HIGH-SPEED GRINDING, SHEARING ACTION AND VIGOROUS AGITATION, WHEREBY THE ELECTROLYTE-TREATED EMULSION REMAINS STABLE DURING STORAGE AND HANDLING.
References Cited (Backward Citations)
GB190815100A
Cited
US1733495A
Cited
US1733497A
Cited
US1757083A
Cited
US1988879A
Cited
US2055612A
Cited
US2099353A
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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) | 1957-02-22 | 1957-08-24 | 1958-02-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-02-22 | 1961-08-24 | 1962-02-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-02-22 | 1965-08-24 | 1966-02-23 | $7700.00 | Window Closed / Lapsed |