US3096191A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Asphalt amine sulfonate antistripping agent for asphalt
Assignee: Phillips Petroleum Co
•
Filing: 1960-05-23
•
Granted: 1963-07-02
•
Expires: 1980-05-23
Abstract
No abstract record available.
Inventors
- 👤 Armin C Pitchford
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 10:53
CPC Classifications
C; C08; C08K; C08K5/00; C08K5/36; C08K5/41; C08K5/42
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
45 words
AN ANTI-STRIPPING COMPOSITION CONSISTING ESSENTIALLY OF AN ASPHALTIC MATERIAL SELECTED FORM THE GROUP CONSISTING OF ASPHALT, ROAD OIL, STILL BOTTOMS FROM AN ASPHALTIC CRUDE OIL AND ASHPALTIC CRACKING STILL BOTTOMS; AN AGGREGATE; AND AN ASPHALT SULFONIC ACID NEUTRALIZED WITH AN AMINE HAVING THE GENERAL FORMULA
Claim 2
Dependent Claim
45 words
AN ANTI-STRIPPING COMPOSITION CONSISTING ESSENTIALLY OF AN ASPHALTIC MATERIAL SELECTED FORM THE GROUP CONSISTING OF ASPHALT, ROAD OIL, STILL BOTTOMS FROM AN ASPHALTIC CRUDE OIL AND ASHPALTIC CRACKING STILL BOTTOMS; AN AGGREGATE; AND AN ASPHALT SULFONIC ACID NEUTRALIZED WITH AN AMINE HAVING THE GENERAL FORMULA
References Cited (Backward Citations)
US2175189A
Cited
US2393913A
Cited
US2508428A
Cited
US2508432A
Cited
US2901372A
Cited
US3006846A
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 |