US3126350A
Expired / Lapsed
US
⏱️ 0.0 years remaining
US3126350A - - Google Patents
Assignee: —
•
Filing: —
•
Granted: 1964-03-24
•
Expires: 1981-03-24
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 08:51
CPC Classifications
C; C08; C08L; C08L95/00; C08L95/005
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
113 words
AN OIL-IN-WATER TYPE CATIONIC BITUMINOUS EMULSTION OF IMPROVED MECHANICAL STABILITY, COMPRISING FROM ABOUT 30 TO ABOUT 75% BY WEIGHT OF BITUMEN, AS THE DISPERSED PHASE; FROM ABOUT 0.2 TO ABOUT 2.0% BY WEIGHT OF A WATER-SOLUBLE SALT OF LIGNIN AMINE PRODUCT OF REACTION OF LIGNIN WITH AN AMINE SELECTED FROM THE GROUP CONSISTING OF PRIMARY AND SECONDARY AMINES AND WITH A CARBONYLIC COMPOUND SELECTED FROM THE GROUP CONSISTING OF ALDEHYDES AND KETONES, AS THE CATION-ACTIVE EMULSIFIER FOR DISPERSING SAID BITUMEN IN WATER; AND WATER TO MAKE UP 100% BY WEIGHT, AS THE CONTINUOUS PHASE, THE PH OF THE EMULSION BEING ADJUSTED TO A VALUE IN THE RANGE FROM ABOUT 1.0 TO ABOUT 4.5
Claim 2
Dependent Claim
113 words
AN OIL-IN-WATER TYPE CATIONIC BITUMINOUS EMULSTION OF IMPROVED MECHANICAL STABILITY, COMPRISING FROM ABOUT 30 TO ABOUT 75% BY WEIGHT OF BITUMEN, AS THE DISPERSED PHASE; FROM ABOUT 0.2 TO ABOUT 2.0% BY WEIGHT OF A WATER-SOLUBLE SALT OF LIGNIN AMINE PRODUCT OF REACTION OF LIGNIN WITH AN AMINE SELECTED FROM THE GROUP CONSISTING OF PRIMARY AND SECONDARY AMINES AND WITH A CARBONYLIC COMPOUND SELECTED FROM THE GROUP CONSISTING OF ALDEHYDES AND KETONES, AS THE CATION-ACTIVE EMULSIFIER FOR DISPERSING SAID BITUMEN IN WATER; AND WATER TO MAKE UP 100% BY WEIGHT, AS THE CONTINUOUS PHASE, THE PH OF THE EMULSION BEING ADJUSTED TO A VALUE IN THE RANGE FROM ABOUT 1.0 TO ABOUT 4.5
References Cited (Backward Citations)
CA573265A
Cited
US2483806A
Cited
US2706688A
Cited
US2709696A
Cited
US2863780A
Cited
US3061974A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-03-24 | 1967-09-23 | 1968-03-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-03-24 | 1971-09-23 | 1972-03-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-03-24 | 1975-09-23 | 1976-03-24 | $7700.00 | Window Closed / Lapsed |