US3097174A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Storage-stable cationic bituminous emulsions
Assignee: California Research LLC
•
Filing: 1959-08-21
•
Granted: 1963-07-09
•
Expires: 1979-08-21
Abstract
No abstract record available.
Inventors
- 👤 Edward W Mertens
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 03:39
CPC Classifications
C; C08; C08L; C08L95/00; C08L95/005
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
141 words
CATIONIC OIL-IN-WATER TYPE BITUMINOUS EMULSION, CONSISTING ESSENTIALLY OF FROM ABOUT 50 TO ABOUT 75% BY WEIGHT OF ASPHALT, AS THE DISPERSE BITUMINOUS PHASE; FROM ABOUT 50 TO ABOUT 25% BY WEIGHT OF WATER, AS THE CONTINUOUS AQUEOUS PHASE; AND, AS THE EMULSIFIER FOR SAD ASPHALT IN SAID WATER, FROM ABOUT 0.1 TO ABOUT 2.0% BY WEIGHT OF A SALT OF A LOW MOLECULAR WEIGHT C1-C7 MONOCARBOXYLIC ACID AND A TETRAETHYLENE PENTAMINE AMIDE OF TALL OIL ACIDS FROM THE GROUP CONSISTING OF MONTALLOYL AND DITALLOYL AMIDES OF TETRAETHYLENE PENTAMINE, SAID AMIDES BEING CHARACTERIZED BY THE PRESENCE OF FROM 3 TO 4 BASIC NITROGEN ATOMS REACTIVE WITH CARBOXYLIC ACIDS AND SAID EMULSION BEING CHARACTERIZED BY STABILITY IN STORAGE AT TEMPERATURES FROM ABOUT 120 TO ABOUT 160*F. AND BY THE ABSENCE OF SETTLEMENT OF THE ASPHALT, WHEN SO STORED FOR AT LEAST TWO WEEKS.
Claim 2
Dependent Claim
141 words
CATIONIC OIL-IN-WATER TYPE BITUMINOUS EMULSION, CONSISTING ESSENTIALLY OF FROM ABOUT 50 TO ABOUT 75% BY WEIGHT OF ASPHALT, AS THE DISPERSE BITUMINOUS PHASE; FROM ABOUT 50 TO ABOUT 25% BY WEIGHT OF WATER, AS THE CONTINUOUS AQUEOUS PHASE; AND, AS THE EMULSIFIER FOR SAD ASPHALT IN SAID WATER, FROM ABOUT 0.1 TO ABOUT 2.0% BY WEIGHT OF A SALT OF A LOW MOLECULAR WEIGHT C1-C7 MONOCARBOXYLIC ACID AND A TETRAETHYLENE PENTAMINE AMIDE OF TALL OIL ACIDS FROM THE GROUP CONSISTING OF MONTALLOYL AND DITALLOYL AMIDES OF TETRAETHYLENE PENTAMINE, SAID AMIDES BEING CHARACTERIZED BY THE PRESENCE OF FROM 3 TO 4 BASIC NITROGEN ATOMS REACTIVE WITH CARBOXYLIC ACIDS AND SAID EMULSION BEING CHARACTERIZED BY STABILITY IN STORAGE AT TEMPERATURES FROM ABOUT 120 TO ABOUT 160*F. AND BY THE ABSENCE OF SETTLEMENT OF THE ASPHALT, WHEN SO STORED FOR AT LEAST TWO WEEKS.
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) | 1966-07-08 | 1967-01-07 | 1967-07-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-07-08 | 1971-01-07 | 1971-07-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-07-08 | 1975-01-07 | 1975-07-09 | $7700.00 | Window Closed / Lapsed |