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Patent US2815288A successfully refreshed from Google Patents.
US2815288A
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Crystal purification
Assignee: Phillips Petroleum Co
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Filing: 1953-09-04
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Granted: 1957-12-03
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Expires: 1973-09-04
Abstract
No abstract record available.
Inventors
- 👤 Dwight L Mckay
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 17:39
CPC Classifications
A; A23; A23L; A23L2/00; A23L2/02; A23L2/08; A23L2/12; B; B01; B01D; B01D9/00; B01D9/0004; B01D9/0013; B01D9/004; B01D9/0059
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
54 words
THE PROCESS OF CONCENTRATING FRUIT JUICE WHICH COMPRISE FILTERING PULP FROM SAID JUICE; CHILLING THE DEPULPED JUICE SO AS TO CRYSTALLIZE WATER THEREIN; SEPARATING UNCRYSTALLIZED JUICE FROM SAID CRYSTALLIZED WATER; WASHING SAID PULP WITH A MINOR PORTION OF SAID UNCRYSTALLIZED JUICE AND COMBINING SAID WASHED PULP AND THE REMAINING PORTION OF SAID UNCRYSTALLIZED JUICE.
References Cited (Backward Citations)
US2187572A
Cited
US2221993A
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US2695323A
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US2617274A
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US2651665A
Cited
US2657555A
Cited
US2665316A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-12-02 | 1961-06-03 | 1961-12-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-12-02 | 1965-06-03 | 1965-12-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-12-02 | 1969-06-03 | 1969-12-03 | $7700.00 | Window Closed / Lapsed |