US3248329A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Aminosilicone-silicate polymers as corrosion inhibitors
Assignee: Union Carbide Corp
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Filing: 1963-07-19
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Granted: 1966-04-26
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Expires: 1983-07-19
Abstract
No abstract record available.
Inventors
- 👤 Arthur N Pines
- 👤 Eugene A Zientek
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 05:31
CPC Classifications
C; C08; C08G; C08G77/00; C08G77/04; C08G77/22; C08G77/26; C09; C09K; C09K5/00; C09K5/20; C23; C23F; C23F11/00; C23F11/08; C23F11/10; C23F11/173
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
69 words
AN IMPROVED CORROSION-INHIBITED ALCOHOL ANTI-FREEZE COMPOSITION FOR USE IN THE COOLING SYSTEMS OF INTERNAL COMBUSTION ENGINES COMPRISING AN ALCOHOL SELECTED FROM THE GROUP CONSISTING OF METHANOL, EHTANOL, PROPANOL, ETHYLENE GLYCOL, DIETHYLENE GLYCOL, TREITHYLENE GLYCOL, PROPYLENE GLYCOL AND GLYCEROL AND, AS AN INHIBITOR, A CORROSION INHIBITING AMOUNT OF AN ORGANOSILICON POLYMER THAT CONSISTS ESSENTIALLY OF: (A) FROM 10 TO 90 PARTS BY WEIGHT OF SILOXANE GROUPS REPRESENTED BY THE FORMULA:
Claim 2
Dependent Claim
69 words
AN IMPROVED CORROSION-INHIBITED ALCOHOL ANTI-FREEZE COMPOSITION FOR USE IN THE COOLING SYSTEMS OF INTERNAL COMBUSTION ENGINES COMPRISING AN ALCOHOL SELECTED FROM THE GROUP CONSISTING OF METHANOL, EHTANOL, PROPANOL, ETHYLENE GLYCOL, DIETHYLENE GLYCOL, TREITHYLENE GLYCOL, PROPYLENE GLYCOL AND GLYCEROL AND, AS AN INHIBITOR, A CORROSION INHIBITING AMOUNT OF AN ORGANOSILICON POLYMER THAT CONSISTS ESSENTIALLY OF: (A) FROM 10 TO 90 PARTS BY WEIGHT OF SILOXANE GROUPS REPRESENTED BY THE FORMULA:
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) | 1969-04-25 | 1969-10-25 | 1970-04-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-04-25 | 1973-10-25 | 1974-04-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-04-25 | 1977-10-25 | 1978-04-26 | $7700.00 | Window Closed / Lapsed |