US3764359A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cationic aqueous bituminous aggregate slurries
Assignee: Akzona Inc
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Filing: 1968-05-21
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Granted: 1973-10-09
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Expires: 1988-05-21
Abstract
Abstract CATIONIC AQUEOUS BITUMINOUS EMULSIONS OF THE OIL IN WATER TYPE-AGGREGATE SLURRIES CAPABLE OF BEING WORKED, CONTAINING A MONO-QUATERNARY AND/OR DI-QUATERNARY AMMONIUM EMULSIFIER FOR THE BITUMEN. SUCH SLURRY COMPOSITIONS OF LIGHT COLOR MAY BE PIGMENTED. THE SLURRY COMPOSITIONS ARE USEFUL AS COATINGS FOR ROADS, DRIVEWAYS, PARKING LOTS, PLAYGROUNDS, TENNIS COURTS, RUNWAYS, LEVEES AND HOLDING PITS.
Inventors
- 👤 J Dybalski
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 08:08
CPC Classifications
E; E01; E01C; E01C7/00; E01C7/08; E01C7/35; E01C7/353; C; C08; C08L; C08L95/00; C08L95/005
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1976-10-08 | 1977-04-09 | 1977-10-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-10-08 | 1981-04-09 | 1981-10-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-10-08 | 1985-04-09 | 1985-10-09 | $7700.00 | Window Closed / Lapsed |