Patent US2976160A successfully refreshed from Google Patents.
US2976160A
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Emulsion concentrates
Assignee: Pure Oil Co
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Filing: 1958-11-14
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Granted: 1961-03-21
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Expires: 1978-11-14
Abstract
No abstract record available.
Inventors
- 👤 Ernest T Fronczak
- 👤 Paul R Chapman
- 👤 Elmer W Brennan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 21:18
CPC Classifications
A; A61; A61K; A61K8/00; A61K8/02; A61K8/04; A61K8/06; C; C09; C09K; C09K23/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
154 words
THE METHOD OF PREPARING A STABLE EMULSION-CONCENTRATE CAPABLE OF FORMING STABLE EMULSIONS UPON DILUTION WITH ABOUT 6-15 PARTS OF WATER PER PART OF CONCENTRATE COMPRISING MIXING AN ACIDIC EXTRACT OBTAINED BY THE SOLVENT EXTRACTION OF A MINERAL LUBRICATING OIL FRACTION WITH A SOLVENT SELECTED FROM THE GROUP CONSISTING OF PHENOL, FURFURAL, AND NITROBENZENE, WITH AN SOAP-FORMING FATTY ACID IN AN AMOUNT SUFFICIENT TO FORM A GEL UPON NEUTRALIZATION WITH AQUEOU-S ALKALI-METAL HYDROXIDE SOLUTION, NEUTRALIZING THE EXTRAC-ACID MIXTURE WITH SUFFICIENT AQUEOUS ALKALI-METAL HYDROXIDE SOLUTION OF SUFFICIENT CONCENTRATION OF FORM A GEL WITH A FREE ACIDITY OF NOT LESS THAN ABOUT 0.01 PERCENT BY WEIGHT OLEIC ACID EQUIVALENT, ADDING ADDITIONAL ACIDIC EXTRACT AND WATER TO PRODUCE AN EMULSION-CONCENTRATE CONTAINING NOT MORE THAN ABOUT 10 PERCENT BY WEIGHT OF FATTY ACID SOAP AND NOT MORE THAN ABOUT 49 PERCENT BY WEIGHT OF EXTRACT, AND HAVING AN ACIDITY OF 0.45 TO 0.65 PERCENT BY WEIGHT OLEIC ACID EQUIVALENT.
Claim 2
Independent Claim
154 words
THE METHOD OF PREPARING A STABLE EMULSION-CONCENTRATE CAPABLE OF FORMING STABLE EMULSIONS UPON DILUTION WITH ABOUT 6-15 PARTS OF WATER PER PART OF CONCENTRATE COMPRISING MIXING AN ACIDIC EXTRACT OBTAINED BY THE SOLVENT EXTRACTION OF A MINERAL LUBRICATING OIL FRACTION WITH A SOLVENT SELECTED FROM THE GROUP CONSISTING OF PHENOL, FURFURAL, AND NITROBENZENE, WITH AN SOAP-FORMING FATTY ACID IN AN AMOUNT SUFFICIENT TO FORM A GEL UPON NEUTRALIZATION WITH AQUEOU-S ALKALI-METAL HYDROXIDE SOLUTION, NEUTRALIZING THE EXTRAC-ACID MIXTURE WITH SUFFICIENT AQUEOUS ALKALI-METAL HYDROXIDE SOLUTION OF SUFFICIENT CONCENTRATION OF FORM A GEL WITH A FREE ACIDITY OF NOT LESS THAN ABOUT 0.01 PERCENT BY WEIGHT OLEIC ACID EQUIVALENT, ADDING ADDITIONAL ACIDIC EXTRACT AND WATER TO PRODUCE AN EMULSION-CONCENTRATE CONTAINING NOT MORE THAN ABOUT 10 PERCENT BY WEIGHT OF FATTY ACID SOAP AND NOT MORE THAN ABOUT 49 PERCENT BY WEIGHT OF EXTRACT, AND HAVING AN ACIDITY OF 0.45 TO 0.65 PERCENT BY WEIGHT OLEIC ACID EQUIVALENT.
References Cited (Backward Citations)
US2623017A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-03-20 | 1964-09-19 | 1965-03-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-03-20 | 1968-09-19 | 1969-03-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-03-20 | 1972-09-19 | 1973-03-21 | $7700.00 | Window Closed / Lapsed |