Patent US3361873A successfully refreshed from Google Patents.
US3205588A
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Drying process and apparatus therefor for removing solids from liquid mixtures
Assignee: Leybold Anlagen Holding AG
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Filing: 1961-10-17
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Granted: 1965-09-14
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Expires: 1981-10-17
Abstract
No abstract record available.
Inventors
- 👤 Oetjen Georg-Wilhelm
- 👤 Nerge Wilhelm
- 👤 Eilenberg Hanns
- 👤 Fauser Friedrich
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 19:11
CPC Classifications
G; G21; G21F; G21F9/00; G21F9/04; G21F9/06; Y; Y10; Y10S; Y10S159/00; Y10S159/12; Y10S159/905
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
62 words
A PROCESS FOR CONVERTING FILTERABLE RADIOACTIVE WASTE PRODUCTS INCLUDED IN A LIQUID INTO A PERMANENT FORM CAPABLE OF BEING STORED AND TRANSPORTED, COMPRISING THE STEPS OF: FILTERING WITHIN AN EVACUABLE DRYING CHAMBER A LIQUID CONTAINING RADIOACTIVE WASTE PRODUCTS TO SEPARATE THE WASTE PRODUCTS FROM THE LIQUID IN THE FORM OF A FILTER RESIDUE; AND VACUUM FREEZE DRYING IN SITU THE FILTER RESIDUE
Claim 2
Dependent Claim
62 words
A PROCESS FOR CONVERTING FILTERABLE RADIOACTIVE WASTE PRODUCTS INCLUDED IN A LIQUID INTO A PERMANENT FORM CAPABLE OF BEING STORED AND TRANSPORTED, COMPRISING THE STEPS OF: FILTERING WITHIN AN EVACUABLE DRYING CHAMBER A LIQUID CONTAINING RADIOACTIVE WASTE PRODUCTS TO SEPARATE THE WASTE PRODUCTS FROM THE LIQUID IN THE FORM OF A FILTER RESIDUE; AND VACUUM FREEZE DRYING IN SITU THE FILTER RESIDUE
References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-09-13 | 1969-03-15 | 1969-09-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-09-13 | 1973-03-15 | 1973-09-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-09-13 | 1977-03-15 | 1977-09-14 | $7700.00 | Window Closed / Lapsed |