Patent US3776106A successfully refreshed from Google Patents.
Patent US3056647A successfully refreshed from Google Patents.
US3056647A
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Method for preparing granular gels
Assignee: United Kingdom Atomic Energy Authority
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Filing: 1957-06-10
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Granted: 1962-10-02
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Expires: 1977-06-10
Abstract
No abstract record available.
Inventors
- 👤 Colin B Amphlett
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 12:17
CPC Classifications
B; B01; B01J; B01J39/00; B01J39/08; B01J39/12; B01J39/09
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
103 words
A METHOD OF PREPARING A GEL HAVING A LARGE AREAW FOR CATION-EXCHANGE COMPRISING THOROUGHLY MIXING TOGETHER A SOLUTION CONTAINING CATIONS OF A METAL SELECTED FROM THE GROUP CONSISTING OF TITANIUM, ZIRCONIUM, HAFNIUM, AND THORIUM, AND A SOLUTION CONTAINING ANIONS SELECTED FROM THE GROUP CONSISTING OF PHOSPHATE, ARSENATE, MOLYBDATE, AND TUNGSTATE IONS TO FORM A GEL, REPEATEDLY WASHING THE GEL WITH WATER TO FLOCCULATE THE GEL, DRYING THE FLOCCULATED GEL AT A TEMPERATURE BELOW 100*C. AND ABOVE THE FREEZING POINT OF WATER TO FORM A GRANULAR PRODUCT, AND TREATING THE GRANULAR PRODUCT WITH WATER TO BREAK DOWN THE GRANULES TO A STABLE SIZE DISTRIBUTION.
Claim 2
Independent Claim
103 words
A METHOD OF PREPARING A GEL HAVING A LARGE AREAW FOR CATION-EXCHANGE COMPRISING THOROUGHLY MIXING TOGETHER A SOLUTION CONTAINING CATIONS OF A METAL SELECTED FROM THE GROUP CONSISTING OF TITANIUM, ZIRCONIUM, HAFNIUM, AND THORIUM, AND A SOLUTION CONTAINING ANIONS SELECTED FROM THE GROUP CONSISTING OF PHOSPHATE, ARSENATE, MOLYBDATE, AND TUNGSTATE IONS TO FORM A GEL, REPEATEDLY WASHING THE GEL WITH WATER TO FLOCCULATE THE GEL, DRYING THE FLOCCULATED GEL AT A TEMPERATURE BELOW 100*C. AND ABOVE THE FREEZING POINT OF WATER TO FORM A GRANULAR PRODUCT, AND TREATING THE GRANULAR PRODUCT WITH WATER TO BREAK DOWN THE GRANULES TO A STABLE SIZE DISTRIBUTION.
References Cited (Backward Citations)
US1935178A
Cited
US2157511A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-10-01 | 1966-04-02 | 1966-10-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-10-01 | 1970-04-02 | 1970-10-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-10-01 | 1974-04-02 | 1974-10-02 | $7700.00 | Window Closed / Lapsed |