US2566925A
Expired / Lapsed
US
⏱️ 0.0 years remaining
One-phase antirust liquid containing triethanolamine metaborate, triethanolamine, and mixed monoricinoleate esters
Assignee: Millennium Petrochemicals Inc
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Filing: 1947-11-13
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Granted: 1951-09-04
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Expires: 1967-11-13
Abstract
No abstract record available.
Inventors
- 👤 Lloyd M Burghart
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 10:47
CPC Classifications
C; C23; C23F; C23F11/00; C23F11/08
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
205 words
A CONCENTRATED ONE-PHASE ANTI-CORROSIVE LIQUID SOLUTION SUITABLE FOR ADDITION TO WATER CONTAINED IN THE COOLING SYSTEM OF AN INTERNAL COMBUSTION ENGINE TO INHIBIT THE CORROSION THEREIN, THE SAID SOLUTION CONSISTING ESSENTIALLY OF AN ORGANIC SOLVENT WHICH CONSISTS ESSENTIALLYI OF FROM ABOUT 65 TO ABOUT 95% BY VOLUME OF AT LEAST ONE GLYCOL SELECTED FROM THE GROUP CONSISTING OF ETHYLENE GLYCOL AND PROPYLENE GLYCOL AND FROM ABOUT 5 TO ABOUT 35% BY VOLUME OF AT LEAST ONE MONOHYDRIC ALCOHOL SELECTED FROM THE GROUP CONSISTING OF I-PROPANOL, N-BUTANOL AND TERT.-BUTANOL, UP TO ABOUT 0.50 GM. OF WATER PER ML. OF GLYCOLMONOHYDRIC ALCOHOL SOLVENT, AND DISSOLVED THEREIN, FROM ABOUT 0.005 TO ABOUT 0.05 GM. OF AN ALKALI METAL NITRITE PER ML. OF GLYCOL-MONOHYDRIC ALCOHOL SOLVENT, FROM ABOUT 0.10 GM. TO ABOUT 1.00 GM. PER ML. OF GLYCOL-MONOHYDRIC ALCOHOL SOLVENT OF A METABORATE OF AT LEAST ONE AMINE SELECTED FROM THE GROUP CONSISTING OF THE ETHANOLAMINES, THE PROPANOLAMINES AND DIACETONEALKAMINE, FROM ABOUT 0.10 TO ABOUT 0.30 GM. PER GM. OF SAID METABORATE OF AT LEAST ONE AMINE SELECTED FROM THE GROUIP CONSISTING OF THE ETHANOLAMINES, THE PROPANOLAMINES AND DIACETONEALKAMINE, AND FROM ABOUT 0.15 GM. TO ABOUT 0.60 GM. OF MIXED ETHYLENE GLYCOL-GLYCEROL MONORICINOLEATES PER ML. OF GLYCOLMONOHYDRIC ALCOHOL SOLVENT.
Claim 2
Dependent Claim
205 words
A CONCENTRATED ONE-PHASE ANTI-CORROSIVE LIQUID SOLUTION SUITABLE FOR ADDITION TO WATER CONTAINED IN THE COOLING SYSTEM OF AN INTERNAL COMBUSTION ENGINE TO INHIBIT THE CORROSION THEREIN, THE SAID SOLUTION CONSISTING ESSENTIALLY OF AN ORGANIC SOLVENT WHICH CONSISTS ESSENTIALLYI OF FROM ABOUT 65 TO ABOUT 95% BY VOLUME OF AT LEAST ONE GLYCOL SELECTED FROM THE GROUP CONSISTING OF ETHYLENE GLYCOL AND PROPYLENE GLYCOL AND FROM ABOUT 5 TO ABOUT 35% BY VOLUME OF AT LEAST ONE MONOHYDRIC ALCOHOL SELECTED FROM THE GROUP CONSISTING OF I-PROPANOL, N-BUTANOL AND TERT.-BUTANOL, UP TO ABOUT 0.50 GM. OF WATER PER ML. OF GLYCOLMONOHYDRIC ALCOHOL SOLVENT, AND DISSOLVED THEREIN, FROM ABOUT 0.005 TO ABOUT 0.05 GM. OF AN ALKALI METAL NITRITE PER ML. OF GLYCOL-MONOHYDRIC ALCOHOL SOLVENT, FROM ABOUT 0.10 GM. TO ABOUT 1.00 GM. PER ML. OF GLYCOL-MONOHYDRIC ALCOHOL SOLVENT OF A METABORATE OF AT LEAST ONE AMINE SELECTED FROM THE GROUP CONSISTING OF THE ETHANOLAMINES, THE PROPANOLAMINES AND DIACETONEALKAMINE, FROM ABOUT 0.10 TO ABOUT 0.30 GM. PER GM. OF SAID METABORATE OF AT LEAST ONE AMINE SELECTED FROM THE GROUIP CONSISTING OF THE ETHANOLAMINES, THE PROPANOLAMINES AND DIACETONEALKAMINE, AND FROM ABOUT 0.15 GM. TO ABOUT 0.60 GM. OF MIXED ETHYLENE GLYCOL-GLYCEROL MONORICINOLEATES PER ML. OF GLYCOLMONOHYDRIC ALCOHOL SOLVENT.
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) | 1954-09-03 | 1955-03-05 | 1955-09-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-09-03 | 1959-03-05 | 1959-09-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-09-03 | 1963-03-05 | 1963-09-04 | $7700.00 | Window Closed / Lapsed |