US3396113A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Anti-freezing additives
Assignee: Akzo Nobel Salt Inc
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Filing: 1965-06-28
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Granted: 1968-08-06
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Expires: 1985-06-28
Abstract
No abstract record available.
Inventors
- 👤 Charles H Jacoby
- 👤 Frank V Whelply
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 19:55
CPC Classifications
C; C01; C01D; C01D3/00; C01D3/26; C09; C09K; C09K5/00; C09K5/08
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
63 words
AN ADDITIVE FOR INHIBITING FREEZING AND CAKING OF PARTICULATE SODIUM CHLORIDE, CONSISTING OF: ONE PART OF WEIGHT OF AN AMOPHOTERIC SYNTHETIC SURFACE ACTIVE AGENT, AND A WATER SOLUBLE COMPLEX IRON CYANIDE SELECTED FROM THE GROUP CONSISTING OF ALKALI METAL FERROCYANIDE SALTS AND ALKALINE EARTH METAL FERROCYANIDE SALTS AND PROVIDING FERROCYANIDE ION IN AN AMOUNT OF ABOUT .5 TO ABOUT 9 PARTS BY WEIGHT.
Claim 2
Dependent Claim
63 words
AN ADDITIVE FOR INHIBITING FREEZING AND CAKING OF PARTICULATE SODIUM CHLORIDE, CONSISTING OF: ONE PART OF WEIGHT OF AN AMOPHOTERIC SYNTHETIC SURFACE ACTIVE AGENT, AND A WATER SOLUBLE COMPLEX IRON CYANIDE SELECTED FROM THE GROUP CONSISTING OF ALKALI METAL FERROCYANIDE SALTS AND ALKALINE EARTH METAL FERROCYANIDE SALTS AND PROVIDING FERROCYANIDE ION IN AN AMOUNT OF ABOUT .5 TO ABOUT 9 PARTS BY WEIGHT.
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) | 1971-08-06 | 1972-02-05 | 1972-08-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-08-06 | 1976-02-05 | 1976-08-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-08-06 | 1980-02-05 | 1980-08-06 | $7700.00 | Window Closed / Lapsed |