US2780557A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Asphalt emulsions containing amine derivatives of p2s5 olefin products
Assignee: Standard Oil Co
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Filing: 1953-02-09
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Granted: 1957-02-05
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Expires: 1973-02-09
Abstract
No abstract record available.
Inventors
- 👤 Harley F Hardman
- 👤 Robert F Jenkins
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 23:03
CPC Classifications
C; C08; C08K; C08K5/00; C08K5/49; C08K5/5398; Y; Y10; Y10S; Y10S106/00; Y10S106/90
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
154 words
AN ASPHALT EMULSION HAVING SATISFACTORY ASPHALT CONTENT, VISCOSITY, STABILITY AND DEMULSIBILITY, COMPRISING, AS SEPARATE PHASE, ASPHALT WHICH DOES NOT ADHERE SATISFACTORILY TO AGGREGATE, AND WATER, THE TWO PHASES BEING DISPERSED AND THE DISPERSION STABILIZED WITH THE AID OF A WATER-SOLUBLE ALKALI METAL SOAP, AND AS AN ADDITIVE DISPERSED IN THE ASPHALT PHASE OF THE EMULSION, AN AMOUNT WITHIN THE RANGE FROM 0.5% TO 2% BASED ON THE ASPHALT CONTENT OF THE EMULSION, TO IMPROVE THE ADHESION CHARACTERISTIC OF THE ASPHALT, OF THE PRODUCT OF REACTING A LIQUID OLEFIN AND PHOSPHORUS PENTASULFIDE IN THE PROPORTION OF ABOUT 0.25 TO 0.75 MOLE OF PHOSPHORUS PENTASULFIDE PER MOLE OF OLEFIN AT A TEMPERATURE WITHIN THE RANGE OF 150* TO 425*F., AND THEN REACTING THE OBTAINED REACTION PRODUCT WITH A HIGHER ALIPHATIC HYDROCARBON AMINE HAVING FROM 8 TO 24 CARBON ATOMS IN THE PROPORTION OF ABOUT 0.1 TO ABOUT 0.15 EQUIVALENT PER SAPONIFICATION EQUIVALENT OF THE REACTION PRODUCT.
Claim 2
Dependent Claim
154 words
AN ASPHALT EMULSION HAVING SATISFACTORY ASPHALT CONTENT, VISCOSITY, STABILITY AND DEMULSIBILITY, COMPRISING, AS SEPARATE PHASE, ASPHALT WHICH DOES NOT ADHERE SATISFACTORILY TO AGGREGATE, AND WATER, THE TWO PHASES BEING DISPERSED AND THE DISPERSION STABILIZED WITH THE AID OF A WATER-SOLUBLE ALKALI METAL SOAP, AND AS AN ADDITIVE DISPERSED IN THE ASPHALT PHASE OF THE EMULSION, AN AMOUNT WITHIN THE RANGE FROM 0.5% TO 2% BASED ON THE ASPHALT CONTENT OF THE EMULSION, TO IMPROVE THE ADHESION CHARACTERISTIC OF THE ASPHALT, OF THE PRODUCT OF REACTING A LIQUID OLEFIN AND PHOSPHORUS PENTASULFIDE IN THE PROPORTION OF ABOUT 0.25 TO 0.75 MOLE OF PHOSPHORUS PENTASULFIDE PER MOLE OF OLEFIN AT A TEMPERATURE WITHIN THE RANGE OF 150* TO 425*F., AND THEN REACTING THE OBTAINED REACTION PRODUCT WITH A HIGHER ALIPHATIC HYDROCARBON AMINE HAVING FROM 8 TO 24 CARBON ATOMS IN THE PROPORTION OF ABOUT 0.1 TO ABOUT 0.15 EQUIVALENT PER SAPONIFICATION EQUIVALENT OF THE REACTION PRODUCT.
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) | 1960-02-05 | 1960-08-06 | 1961-02-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-02-05 | 1964-08-06 | 1965-02-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-02-05 | 1968-08-06 | 1969-02-05 | $7700.00 | Window Closed / Lapsed |