US3000808A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Petroleum-based amorphous compositions
Assignee: Texaco Inc
•
Filing: 1957-05-20
•
Granted: 1961-09-19
•
Expires: 1977-05-20
Abstract
No abstract record available.
Inventors
- 👤 Roden Harry
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 21:12
CPC Classifications
C; C10; C10C; C10C3/00; C10C3/02; C10C3/026; C08; C08L; C08L91/00; C08L91/06; C08L91/08
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
73 words
AN AMORPHOUS COMPOSITION COMPRISING OXIDIZED MACROCRYSTALLINE PARAFFIN WAX HAVING NAPHTHA SOLUBILITY NOT SUBSTANTIALLY ABOVE 40% AND HEAVY ASPHALTIC PETROLEUM RESIDUUM SELECTED FROM THE GROUP CONSISTING OF SOLID ASPHALT AND VISCOUS LIQUID RESIDUUM REDUCIBLE TO ASPHALT IN A WEIGHT RATIO OF SAID OXIDIZED WAX: SAID HEAVY PETROLEUM RESIDUUM FROM ABOUT 0.1:1 TO ABOUT 4:1, SAID OXIDIZED WAX AND SAID PETROLEUM RESIDUUM MIXED UNDER STRIPPING CONDITIONS AT A TEMPERATURE FROM ABOUT 450*F. TO ABOUT 530*F.
Claim 2
Dependent Claim
73 words
AN AMORPHOUS COMPOSITION COMPRISING OXIDIZED MACROCRYSTALLINE PARAFFIN WAX HAVING NAPHTHA SOLUBILITY NOT SUBSTANTIALLY ABOVE 40% AND HEAVY ASPHALTIC PETROLEUM RESIDUUM SELECTED FROM THE GROUP CONSISTING OF SOLID ASPHALT AND VISCOUS LIQUID RESIDUUM REDUCIBLE TO ASPHALT IN A WEIGHT RATIO OF SAID OXIDIZED WAX: SAID HEAVY PETROLEUM RESIDUUM FROM ABOUT 0.1:1 TO ABOUT 4:1, SAID OXIDIZED WAX AND SAID PETROLEUM RESIDUUM MIXED UNDER STRIPPING CONDITIONS AT A TEMPERATURE FROM ABOUT 450*F. TO ABOUT 530*F.
References Cited (Backward Citations)
US1779067A
Cited
US2102005A
Cited
US2570990A
Cited
US2716085A
Cited
US2720466A
Cited
US2721146A
Cited
US2759843A
Cited
US2807554A
Cited
US2785111A
Cited
US2785078A
Cited
US2802751A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-09-18 | 1965-03-20 | 1965-09-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-09-18 | 1969-03-20 | 1969-09-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-09-18 | 1973-03-20 | 1973-09-19 | $7700.00 | Window Closed / Lapsed |