US3582367A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Corrosion-proofing composition and method
Assignee: Ashland LLC
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Filing: 1968-06-19
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Granted: 1971-06-01
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Expires: 1988-06-19
Abstract
Abstract BITUMINOUS COMPOSITIONS CONTAINING PARTICLES OF INORGANIC FILLER WHICH ARE HIGHLY RESISTANT TO SETTLING, THE PARTICLES OF INORGANIC FILLER BEING INDIVIDUALLY COATED WITH A WATER-SOLUBLE SALT OF A WAXY HYDROCARBON ORGANIC ACID. METHOD OF PREPARING COMPOSITIONS CONTAINING A BITUMEN AND AN INORGANIC FILLER IN WHICH THE FILLER IS DISPERSED IN A SOLVENT SOLUTION OF WATER-INSOLUBLE ORGANIC ACID SALT. METHOD OR PROTECTING VEHICULAR UNDERBODIES BY APPLYING THERETO COMPOSITIONS OF THE ABOVE-DESCRIBED CHARACTER.
Inventors
- 👤 Charles R Miller
- 👤 Paul J Holtzapfel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 19:25
CPC Classifications
C; C08; C08L; C08L95/00
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) | 1974-05-31 | 1974-11-30 | 1975-06-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-05-31 | 1978-11-30 | 1979-06-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-05-31 | 1982-11-30 | 1983-06-01 | $7700.00 | Window Closed / Lapsed |