US3020161A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for removal of radionuclides from milk
Assignee: United States Atomic Energy Commission
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Filing: 1961-01-19
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Granted: 1962-02-06
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Expires: 1981-01-19
Abstract
No abstract record available.
Inventors
- 👤 Gopala K Murthy
- 👤 Jr Jeptha E Campbell
- 👤 Edmund B Masurovsky
- 👤 Locke F Edmondson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 15:25
CPC Classifications
A; A23; A23C; A23C9/00; A23C9/14; A23C9/146
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
135 words
A PROCESS FOR THE REMOVAL OF CATIONIC RADIONUCLIDES FROM A MILK COMPRISING DETERMINING THE PH AND THE CATIONIC COMPOSITION OF A MILK, ADJUSTING THE MILK TO A PH IN THE RANGE OF ABOUT FROM 5 TO 6 WITH AN EDIBLE ORGANIC ACID, CONTACTING A CATION-EXCHANGE RESIN WITH AN AQUEOUS SALT SOLUTION OF NON-RADIOACTIVE CATIONS IN PROPORTIONS SUBSTANTIALLY THE SAME AS DETERMINED FROM THE MILK TO BE PROCESSED AND AT A PH SUBSTANTIALLY THAT OF THE ACIDIFIED MILK UNTIL THE RESIN IS CHARGED, WASHING EXCESS SALTS FROM THE CHARGED RESIN, CONTACTING THE MILK WITH THE CHARGED TESIN TO REMOVE RADIOACTIVE CATIONS FROM THE MILK WHLE NON-RADIOACTIVE CATIONS REMAIN IN EQUILIBRIUM BETWEEN THE MILK AND ATHE CHARGEDF RESIN, AND RESTORING THE MILK TO ITS ORIGINAL PH TO GIVE AN ACCEPTABLE FLAVOURED MILK PRODUCT ESENTIALLY FREE OF RADIONUCLIDES.
Claim 2
Dependent Claim
135 words
A PROCESS FOR THE REMOVAL OF CATIONIC RADIONUCLIDES FROM A MILK COMPRISING DETERMINING THE PH AND THE CATIONIC COMPOSITION OF A MILK, ADJUSTING THE MILK TO A PH IN THE RANGE OF ABOUT FROM 5 TO 6 WITH AN EDIBLE ORGANIC ACID, CONTACTING A CATION-EXCHANGE RESIN WITH AN AQUEOUS SALT SOLUTION OF NON-RADIOACTIVE CATIONS IN PROPORTIONS SUBSTANTIALLY THE SAME AS DETERMINED FROM THE MILK TO BE PROCESSED AND AT A PH SUBSTANTIALLY THAT OF THE ACIDIFIED MILK UNTIL THE RESIN IS CHARGED, WASHING EXCESS SALTS FROM THE CHARGED RESIN, CONTACTING THE MILK WITH THE CHARGED TESIN TO REMOVE RADIOACTIVE CATIONS FROM THE MILK WHLE NON-RADIOACTIVE CATIONS REMAIN IN EQUILIBRIUM BETWEEN THE MILK AND ATHE CHARGEDF RESIN, AND RESTORING THE MILK TO ITS ORIGINAL PH TO GIVE AN ACCEPTABLE FLAVOURED MILK PRODUCT ESENTIALLY FREE OF RADIONUCLIDES.
References Cited (Backward Citations)
US2793953A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-02-05 | 1965-08-07 | 1966-02-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-02-05 | 1969-08-07 | 1970-02-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-02-05 | 1973-08-07 | 1974-02-06 | $7700.00 | Window Closed / Lapsed |