US3049430A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Extraction of water from foodstuffs
Assignee: Individual
•
Filing: 1961-10-11
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Granted: 1962-08-14
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Expires: 1981-10-11
Abstract
No abstract record available.
Inventors
- 👤 Anderson Martin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 16:52
CPC Classifications
A; A23; A23B; A23B7/00; A23B7/02; A23B7/03; A23B2/00; A23B2/90; A23B2/91; A23B4/00; A23B4/03; A23B4/037
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
84 words
A PROCESS FOR THE DEHYDRATION OF FROZEN AND UNFROZEN FOODSTUFFS OF SOLID CONSISTENCY, SAID FOODSTUFFS HAVING AN ESSENTIAL STRUCTURE SUBSTANTIALLY UNALTERED BY DEHYDRATION, SAID PROCESS INCLUDING THE STEPS OF EXTRACTING FROM SAID FOODSTUFFS THE WATER CONTAINED THEREIN WITH A SOLVENT COMPRISING LIQUID AMMONIA, SAID EXTRACTION BEING PERFORMED AT TEMPERATURES NOT GREATER THAN THE BOILING POINT OF LIQUID AMMONIA UNDER OPERATING CONDITIONS, AND THE SEPARATION OF SAID SOLVENT FROM SAID FOODSTUFFS, WHEREBY WATER, AND ICE AS PRESENT, ARE EXTRACTED FROM SAID FOODSTUFFS IN AMMONIACAL SOLUTION.
Claim 2
Dependent Claim
84 words
A PROCESS FOR THE DEHYDRATION OF FROZEN AND UNFROZEN FOODSTUFFS OF SOLID CONSISTENCY, SAID FOODSTUFFS HAVING AN ESSENTIAL STRUCTURE SUBSTANTIALLY UNALTERED BY DEHYDRATION, SAID PROCESS INCLUDING THE STEPS OF EXTRACTING FROM SAID FOODSTUFFS THE WATER CONTAINED THEREIN WITH A SOLVENT COMPRISING LIQUID AMMONIA, SAID EXTRACTION BEING PERFORMED AT TEMPERATURES NOT GREATER THAN THE BOILING POINT OF LIQUID AMMONIA UNDER OPERATING CONDITIONS, AND THE SEPARATION OF SAID SOLVENT FROM SAID FOODSTUFFS, WHEREBY WATER, AND ICE AS PRESENT, ARE EXTRACTED FROM SAID FOODSTUFFS IN AMMONIACAL SOLUTION.
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) | 1965-08-13 | 1966-02-12 | 1966-08-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-08-13 | 1970-02-12 | 1970-08-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-08-13 | 1974-02-12 | 1974-08-14 | $7700.00 | Window Closed / Lapsed |