US3094419A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Liquid food treating process
Assignee: University of Minnesota Twin Cities
•
Filing: 1959-12-21
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Granted: 1963-06-18
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Expires: 1979-12-21
Abstract
No abstract record available.
Inventors
- 👤 Singer Leon
- 👤 Wallace D Armstrong
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 07:24
CPC Classifications
B; B01; B01J; B01J39/00; B01J39/02; A; A23; A23C; A23C7/00; A23C7/04; A23C7/043
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
49 words
A METHOD FOR REDUCTION OF THE CONCENTRATION OF CATIONIC RADIOACTIVE STRONTIUM ISOTOPES IN LIQUID FOODSTUFFS WHICH COMPRISES INTIMATELY CONTACTING THE LIQUID WITH A SOLID FINELY DIVIDED RELATIVELY INSOLUBLE CALCIUM CONTAINING CHEMICALLY MODIFIED NATURALLY OCCURING MINERAL BONE MATERIAL POSSESSING CATIONIC EXCHANGE PROPERTIES AND THEN SEPARATING THE LIQUID FROM THE SOLID.
Claim 2
Independent Claim
49 words
A METHOD FOR REDUCTION OF THE CONCENTRATION OF CATIONIC RADIOACTIVE STRONTIUM ISOTOPES IN LIQUID FOODSTUFFS WHICH COMPRISES INTIMATELY CONTACTING THE LIQUID WITH A SOLID FINELY DIVIDED RELATIVELY INSOLUBLE CALCIUM CONTAINING CHEMICALLY MODIFIED NATURALLY OCCURING MINERAL BONE MATERIAL POSSESSING CATIONIC EXCHANGE PROPERTIES AND THEN SEPARATING THE LIQUID FROM THE SOLID.
References Cited (Backward Citations)
US2204072A
Cited
US2616847A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-06-17 | 1966-12-17 | 1967-06-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-06-17 | 1970-12-17 | 1971-06-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-06-17 | 1974-12-17 | 1975-06-18 | $7700.00 | Window Closed / Lapsed |