US2943945A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Corrosion prevention
Assignee: Eureka Chemical Co
•
Filing: 1959-05-13
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Granted: 1960-07-05
•
Expires: 1979-05-13
Abstract
No abstract record available.
Inventors
- 👤 Lawrence G Saywell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 03:38
CPC Classifications
C; C23; C23F; C23F11/00; C23F11/08
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
150 words
THE METHOD OF MAKING A CORROSION CONTROL COMPOSITION COMPRISING HEATING ABOUT 1,000 POUNDS OF WOOL FAT TO A TEMPERATURE OF ABOUT 140*F., ADDING THERETO ABOUT 1 1/2 GALLONS OF DIETHYLENE GLYCOL MONOETHYL ETHER AND ABOUT 1 QUART OF AN AOIL SOLUBLE NON-IONIC TYPE DETERGENT, ADDING TO SAID MIXTURE A SLURRY CONTAINING ABOUT 65 TO 75 POUNDS OF CALCIUM HYDROZIDE, ABOUT 60 GALLONS OF DIESEL OIL, AND 2 1/2 GALLONS OF WATER, RAISING THE TEMPERATURE TO ABOUT 165*F., ADDING ABOUT 60 GALLONS OF DIESEL OIL, HEATING THE MIXTURE TO A TEMPERATURE OF ABOUT 185* TO 198* F. FOR SEVERAL HOURS, THEREUPON ADDING 200 POUNDS OF PINE OIL, ABOUT 50 TO 80 POUNDS OF HEAVY FUEL OIL AND ABOUT 140 GALLONS OF DIESEL OIL, MAINTAINING SAID TEMPERATURE FOR ABOUT AN ADDITIONAL HOUR, ADDING ABOUT 4 POUNDS OF AN AMINE TYPE CORROSION INHIBITOR AND 2 1/2 GALLONS OF DICHLOROPENTANE AND COOLING THE MIXTURE.
Claim 2
Independent Claim
150 words
THE METHOD OF MAKING A CORROSION CONTROL COMPOSITION COMPRISING HEATING ABOUT 1,000 POUNDS OF WOOL FAT TO A TEMPERATURE OF ABOUT 140*F., ADDING THERETO ABOUT 1 1/2 GALLONS OF DIETHYLENE GLYCOL MONOETHYL ETHER AND ABOUT 1 QUART OF AN AOIL SOLUBLE NON-IONIC TYPE DETERGENT, ADDING TO SAID MIXTURE A SLURRY CONTAINING ABOUT 65 TO 75 POUNDS OF CALCIUM HYDROZIDE, ABOUT 60 GALLONS OF DIESEL OIL, AND 2 1/2 GALLONS OF WATER, RAISING THE TEMPERATURE TO ABOUT 165*F., ADDING ABOUT 60 GALLONS OF DIESEL OIL, HEATING THE MIXTURE TO A TEMPERATURE OF ABOUT 185* TO 198* F. FOR SEVERAL HOURS, THEREUPON ADDING 200 POUNDS OF PINE OIL, ABOUT 50 TO 80 POUNDS OF HEAVY FUEL OIL AND ABOUT 140 GALLONS OF DIESEL OIL, MAINTAINING SAID TEMPERATURE FOR ABOUT AN ADDITIONAL HOUR, ADDING ABOUT 4 POUNDS OF AN AMINE TYPE CORROSION INHIBITOR AND 2 1/2 GALLONS OF DICHLOROPENTANE AND COOLING THE MIXTURE.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-07-05 | 1964-01-04 | 1964-07-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-07-05 | 1968-01-04 | 1968-07-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-07-05 | 1972-01-04 | 1972-07-05 | $7700.00 | Window Closed / Lapsed |