US3756956A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Deicer composition
Assignee: S & P INVESTMENTS CORP A CORP OF
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Filing: 1972-01-17
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Granted: 1973-09-04
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Expires: 1992-01-17
Abstract
Abstract THE PRESENT INVENTION IS BASED ON THE DISCOVERY THAT A COMBINATION OF A HIGHER FATTY ACID OR WATER-SOLUBLE SALT THEREOF, OR WITH EITHER A SULFONATED HIGHER FATTY ACID, OR WATER-SOLUBLE SALT THEREOF, OR AN ORGANIC PHOSPHATE ESTER SURFACTANT MINIMIZES THE CORROSIVE EFFECT OF AQUEOUS SOLUTIONS OF FORMAMIDE, UREA OR MIXTURES THEREOF. THIS ADVANTAGE HAS BEEN ESPECIALLY NOTED WITH THE MIXTURE IS USED AS AN ANTICORROSIVE AGENT IN DEICER COMPOSITIONS CONSISTING ESSENTIALLY OF FORMAMIDE, UREA AND WATER.
Inventors
- 👤 E Panusch
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 15:47
CPC Classifications
C; C09; C09K; C09K3/00; C09K3/18
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) | 1976-09-03 | 1977-03-05 | 1977-09-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-09-03 | 1981-03-05 | 1981-09-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-09-03 | 1985-03-05 | 1985-09-04 | $7700.00 | Window Closed / Lapsed |