Patent US4859571A successfully refreshed from Google Patents.
Patent JPS6434012A successfully refreshed from Google Patents.
US2898211A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of making hard butter
Assignee: EF Drew and Co Inc
•
Filing: 1955-08-18
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Granted: 1959-08-04
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Expires: 1975-08-18
Abstract
No abstract record available.
Inventors
- 👤 Barsky George
- 👤 Vigen K Babayan
- 👤 Bernard J Bahoshy
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 13:39
CPC Classifications
C; C11; C11C; C11C3/00; C11C3/04; C11C3/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
144 words
A METHOD OF MAKING A HARD BUTTER CONSISTING OF THE STEPS OF PROVIDING A GLYCERIDE OIL CONTAINING GLYCERIDES OF FATTY ACIDS HAVING 16-22 CARBON ATOMS, THE GLYCERIDES INCLUDING CONSTITUENTS MELTING ABOVE ABOUT 105* F., BELOW ABOUT 80* F. AND INTERMEDIATE SAID TEMPERATURES, HYDROGENATING SAID OIL TO AN IODINE VALUE OF ABOUT 40 TO 60 TO TRANSFORM LINOLEIC ACID THEREIN TO OLEIC ACID AND FORMING SOME ISOOLEATES, DISSOLVING SAID OIL IN A VOLATILE SOLVENT AT A PREDETERMINED TEMPERATURE, COOLING SAID SOLUTION TO A SUFFICIENTLY LOWER TEMPERATURE TO PRECIPITATE SAID HIGHEST MELTING CONSTITUENT, SEPARATING THE LIQUID PORTION, FUR THER COOLING SAID LIQUID PORTION TO PRECIPITATE A HARD BUTTER, AND SEPARATING SAID HARD BUTTER FROM THE MOTHER LIQUOR, MIXING SAID HIGHEST MELTING CONSTITUENT AND THE GLYCERIDE OIL FROM SAID MOTHER LIQUOR, INTERESTERIFYING SAID MIXTURE, MIXING SAID INTERESTERIFIED MIXTURE WITH SAID GLYCERIDE OIL AND REPEATING THE AFORESAID CYCLE.
Claim 2
Independent Claim
144 words
A METHOD OF MAKING A HARD BUTTER CONSISTING OF THE STEPS OF PROVIDING A GLYCERIDE OIL CONTAINING GLYCERIDES OF FATTY ACIDS HAVING 16-22 CARBON ATOMS, THE GLYCERIDES INCLUDING CONSTITUENTS MELTING ABOVE ABOUT 105* F., BELOW ABOUT 80* F. AND INTERMEDIATE SAID TEMPERATURES, HYDROGENATING SAID OIL TO AN IODINE VALUE OF ABOUT 40 TO 60 TO TRANSFORM LINOLEIC ACID THEREIN TO OLEIC ACID AND FORMING SOME ISOOLEATES, DISSOLVING SAID OIL IN A VOLATILE SOLVENT AT A PREDETERMINED TEMPERATURE, COOLING SAID SOLUTION TO A SUFFICIENTLY LOWER TEMPERATURE TO PRECIPITATE SAID HIGHEST MELTING CONSTITUENT, SEPARATING THE LIQUID PORTION, FUR THER COOLING SAID LIQUID PORTION TO PRECIPITATE A HARD BUTTER, AND SEPARATING SAID HARD BUTTER FROM THE MOTHER LIQUOR, MIXING SAID HIGHEST MELTING CONSTITUENT AND THE GLYCERIDE OIL FROM SAID MOTHER LIQUOR, INTERESTERIFYING SAID MIXTURE, MIXING SAID INTERESTERIFIED MIXTURE WITH SAID GLYCERIDE OIL AND REPEATING THE AFORESAID CYCLE.
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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) | 1962-08-03 | 1963-02-02 | 1963-08-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-08-03 | 1967-02-02 | 1967-08-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-08-03 | 1971-02-02 | 1971-08-04 | $7700.00 | Window Closed / Lapsed |