US2661300A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Asphalt cutbacks
Assignee: Texaco Inc
•
Filing: 1949-07-06
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Granted: 1953-12-01
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Expires: 1969-07-06
Abstract
No abstract record available.
Inventors
- 👤 Joseph W Romberg
- 👤 Ralph N Traxler
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 10:41
CPC Classifications
C; C08; C08L; C08L95/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
60 words
AN ASPHALT CUTBACK COMPOSITION ADAPTED FOR APPLICATION TO AGGREGATE IN ROAD BUILDING AND COMPOSED ESSENTIALLY OF ASPHALT AND NAPHTHA IN PROPORTIONS ADAPTED FOR APPLICATION TO AGGREGATE IN ROAD BUILDING AND ABOUT 10-100 PARTS PER MILLION BY VOLUME OF A LIQUID LOWER DIALKYL SILICONE POLYMER EFFECTIVE TO SUPPRESS EVAPORATION OF THE NAPHTHA AND INCREASE THE CURING INDEX OF THE CUTBACK COMPOSITION.
Claim 2
Dependent Claim
60 words
AN ASPHALT CUTBACK COMPOSITION ADAPTED FOR APPLICATION TO AGGREGATE IN ROAD BUILDING AND COMPOSED ESSENTIALLY OF ASPHALT AND NAPHTHA IN PROPORTIONS ADAPTED FOR APPLICATION TO AGGREGATE IN ROAD BUILDING AND ABOUT 10-100 PARTS PER MILLION BY VOLUME OF A LIQUID LOWER DIALKYL SILICONE POLYMER EFFECTIVE TO SUPPRESS EVAPORATION OF THE NAPHTHA AND INCREASE THE CURING INDEX OF THE CUTBACK COMPOSITION.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-11-30 | 1957-06-01 | 1957-12-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-11-30 | 1961-06-01 | 1961-12-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-11-30 | 1965-06-01 | 1965-12-01 | $7700.00 | Window Closed / Lapsed |