US3340203A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rapid-setting bituminous emulsions and method for preparing same
Assignee: Chevron USA Inc
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Filing: 1965-05-27
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Granted: 1967-09-05
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Expires: 1985-05-27
Abstract
No abstract record available.
Inventors
- 👤 Richard L Ferm
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 11:32
CPC Classifications
C; C08; C08L; C08L95/00; C08L95/005; C08K; C08K5/00; C08K5/49; C08K5/51; C08K5/52; C08K5/521; C08K5/16; C08K5/17; C08L2555/00; C08L2555/20; C08L2555/24; C08L2555/40; C08L2555/60; C08L2555/62; C08L2555/64
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
94 words
AN AQUEOUS BITUMINOUS EMULSION AMPHOTERIC BINDER FOR PAVING HAVING A PH IN THE RANGE OF 2 TO 7, WHICH COMPRISES 50 TO 75 WEIGHT PERCENT BITUMEN IN THE DISPERSED PHASE; 0.02 TO 0.5 WEIGHT PERCENT HYDROXYLECITHIN; 0.05 TO 0.5 WEIGHT PERCENT OF AN N-HYDROCARBYL ALKYLENE POLYAMINE OF FROM 12 TO 34 CARBON ATOMS AND 1 TO 30 ALKYLENEAMINO GROUPS, WHEREIN SAID HYDROCARBYL IS OF FROM 10 TO 30 CARBON ATOMS AND FREE OF AROMATIC UNSATURATION, THE WEIGHT RATIO OF HYDROXYLECITHIN TO N-HYDROCARBYL ALKYLENE PLYAMINE BEING IN THE RANGE OF 4-1:1-4; AND THE REMAINDER WATER.
Claim 2
Dependent Claim
94 words
AN AQUEOUS BITUMINOUS EMULSION AMPHOTERIC BINDER FOR PAVING HAVING A PH IN THE RANGE OF 2 TO 7, WHICH COMPRISES 50 TO 75 WEIGHT PERCENT BITUMEN IN THE DISPERSED PHASE; 0.02 TO 0.5 WEIGHT PERCENT HYDROXYLECITHIN; 0.05 TO 0.5 WEIGHT PERCENT OF AN N-HYDROCARBYL ALKYLENE POLYAMINE OF FROM 12 TO 34 CARBON ATOMS AND 1 TO 30 ALKYLENEAMINO GROUPS, WHEREIN SAID HYDROCARBYL IS OF FROM 10 TO 30 CARBON ATOMS AND FREE OF AROMATIC UNSATURATION, THE WEIGHT RATIO OF HYDROXYLECITHIN TO N-HYDROCARBYL ALKYLENE PLYAMINE BEING IN THE RANGE OF 4-1:1-4; AND THE REMAINDER WATER.
References Cited (Backward Citations)
US2387157A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-09-04 | 1971-03-06 | 1971-09-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-09-04 | 1975-03-06 | 1975-09-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-09-04 | 1979-03-06 | 1979-09-05 | $7700.00 | Window Closed / Lapsed |