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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
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Abstract

No abstract record available.

Inventors

  • 👤 Richard L Ferm

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-04 14:35
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

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