US3096192A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Asphalt compositions having reduced stripping tendencies
Assignee: Phillips Petroleum Co
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Filing: 1960-08-12
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Granted: 1963-07-02
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Expires: 1980-08-12
Abstract
No abstract record available.
Inventors
- 👤 Armin C Pitchford
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 09:17
CPC Classifications
C; C08; C08K; C08K5/00; C08K5/16; C08K5/17; C08K5/19
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
72 words
AN ASHPHALT COMPOSITION HAVING A LOW STRIPPING TENDENCY, COMPRISING ASPHALT AND AN ANTI-STRIPPING AGENT CONSISTING ESSENTIALLY OF A SALT OF ASPHALTENE CARBOXYLIC ACIDS AND AN AMINE SELECTED FORM THE GROUP CONSISTING OF RNH2 (R)2NH, AND RNH(CH2)3NH2, WHERE R IS AN ALIPHATIC RADICAL DERIVED FORM A FATTY ACID HAVING 8 TO 22 CARBON ATOMS PER MOLECULE, THE AMOUNT OF SAID AGENT IN SAID COMPOSITION BEING SUFFICIENT TO MAINTAIN THE LOW STRIPPING TENDENCY THEREOF.
Claim 2
Dependent Claim
72 words
AN ASHPHALT COMPOSITION HAVING A LOW STRIPPING TENDENCY, COMPRISING ASPHALT AND AN ANTI-STRIPPING AGENT CONSISTING ESSENTIALLY OF A SALT OF ASPHALTENE CARBOXYLIC ACIDS AND AN AMINE SELECTED FORM THE GROUP CONSISTING OF RNH2 (R)2NH, AND RNH(CH2)3NH2, WHERE R IS AN ALIPHATIC RADICAL DERIVED FORM A FATTY ACID HAVING 8 TO 22 CARBON ATOMS PER MOLECULE, THE AMOUNT OF SAID AGENT IN SAID COMPOSITION BEING SUFFICIENT TO MAINTAIN THE LOW STRIPPING TENDENCY THEREOF.
References Cited (Backward Citations)
US2663648A
Cited
US2737509A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-07-01 | 1966-12-31 | 1967-07-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-07-01 | 1970-12-31 | 1971-07-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-07-01 | 1974-12-31 | 1975-07-02 | $7700.00 | Window Closed / Lapsed |