US3032507A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cationic bituminous emulsions
Assignee: California Research LLC
•
Filing: 1959-09-02
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Granted: 1962-05-01
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Expires: 1979-09-02
Abstract
No abstract record available.
Inventors
- 👤 James R Wright
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 06:02
CPC Classifications
C; C08; C08K; C08K5/00; C08K5/04; C08K5/05
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
137 words
AN OIL-IN-WATER TYPE CATIONIC BITUMINOUS EMULSION CHARACTERIZED BY REDUCED RUN-OFF AND IMPROVED ADHESION OF BITUMINOUS BINDER TO ELECTRONEGATIVE STONE AGGREGATE WHICH CONSISTS ESSENTIALLY OF FROM ABOUT 50 TO ABOUT 75% BY WEIGHT OF BITUMEN, AS THE DISPERSE PHASE; FROM 0.1 TO ABOUT 1% BY WEIGHT OF A CATION-ACTIVE HALIDE SALT OF AN ORGANIC NITROGEN BASE, AS THE SOLE EMULSIFER FOR SAID BITUMEN, SAID HALIDE SALT BEING SELECTED FROM THE GROUP CONSISTING OF QUARTERNARY AMMONIUM HALIDES AND HALIDE SALTS OF QUATERNARY HETEROCYCLIC NITROGEN BASES, THE CATION PORTION OF WHICH CONTAINS ONLY NITROGEN, CARBON AND HYDROGEN ATOMS; FROM 0.1 TO ABOUT 1% BY WEIGHT OF A HIGH MOLECULAR WEIGHT UNSATURATED MONOHYDRIC ALCOHOL SELECTED FROM THE GROUP CONSISTING OF STEROLS, C16-C20 ALKENOLS, AND C16-C20 ALKADIENOLS; AND WATER, AS THE CONTINUOUS PHASE, TO MAKE UP 100% BY WEIGHT OF THE EMULSION.
Claim 2
Dependent Claim
137 words
AN OIL-IN-WATER TYPE CATIONIC BITUMINOUS EMULSION CHARACTERIZED BY REDUCED RUN-OFF AND IMPROVED ADHESION OF BITUMINOUS BINDER TO ELECTRONEGATIVE STONE AGGREGATE WHICH CONSISTS ESSENTIALLY OF FROM ABOUT 50 TO ABOUT 75% BY WEIGHT OF BITUMEN, AS THE DISPERSE PHASE; FROM 0.1 TO ABOUT 1% BY WEIGHT OF A CATION-ACTIVE HALIDE SALT OF AN ORGANIC NITROGEN BASE, AS THE SOLE EMULSIFER FOR SAID BITUMEN, SAID HALIDE SALT BEING SELECTED FROM THE GROUP CONSISTING OF QUARTERNARY AMMONIUM HALIDES AND HALIDE SALTS OF QUATERNARY HETEROCYCLIC NITROGEN BASES, THE CATION PORTION OF WHICH CONTAINS ONLY NITROGEN, CARBON AND HYDROGEN ATOMS; FROM 0.1 TO ABOUT 1% BY WEIGHT OF A HIGH MOLECULAR WEIGHT UNSATURATED MONOHYDRIC ALCOHOL SELECTED FROM THE GROUP CONSISTING OF STEROLS, C16-C20 ALKENOLS, AND C16-C20 ALKADIENOLS; AND WATER, AS THE CONTINUOUS PHASE, TO MAKE UP 100% BY WEIGHT OF THE EMULSION.
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) | 1965-04-30 | 1965-10-30 | 1966-05-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-04-30 | 1969-10-30 | 1970-05-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-04-30 | 1973-10-30 | 1974-05-01 | $7700.00 | Window Closed / Lapsed |