US2628194A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process of and apparatus for regenerating ion exchangers
Assignee: Permutit Co
•
Filing: 1950-12-28
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Granted: 1953-02-10
•
Expires: 1970-12-28
Abstract
No abstract record available.
Inventors
- 👤 Martin E Gilwood
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 06:59
CPC Classifications
B; B01; B01J; B01J49/00; B01J49/80; B01J49/85; Y; Y10; Y10T; Y10T436/00; Y10T436/12
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
72 words
A PROCESS OF OPERATING A HYDROGEN ION EXCHANGER CONTAINING A BED OF HYDROGEN ION EXCHANGE MATERIAL THROUGH WHICH A LIQUID CONTAINING DISSOLVED SALTS IS FLOWED WHICH COMPRISES TAPPING OFF A SMALL STREAM OF THE LIQUID FROM THE INTERIOR OF THE BED AT A POINT UPSTREAM AND SPACED FROM THE POINT AT WHICH THE MAIN EFFUENT LEAVES THE BED, MEASURING THE ACIDITIES OF THE TWO LIQUIDS, AND REGENERATING THE BED WHEN THE MEASURED
Claim 2
Dependent Claim
72 words
A PROCESS OF OPERATING A HYDROGEN ION EXCHANGER CONTAINING A BED OF HYDROGEN ION EXCHANGE MATERIAL THROUGH WHICH A LIQUID CONTAINING DISSOLVED SALTS IS FLOWED WHICH COMPRISES TAPPING OFF A SMALL STREAM OF THE LIQUID FROM THE INTERIOR OF THE BED AT A POINT UPSTREAM AND SPACED FROM THE POINT AT WHICH THE MAIN EFFUENT LEAVES THE BED, MEASURING THE ACIDITIES OF THE TWO LIQUIDS, AND REGENERATING THE BED WHEN THE MEASURED
References Cited (Backward Citations)
US1145509A
Cited
US1701331A
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US2003760A
Cited
US2209487A
Cited
US2351648A
Cited
GB569660A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-02-10 | 1956-08-11 | 1957-02-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-02-10 | 1960-08-11 | 1961-02-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-02-10 | 1964-08-11 | 1965-02-10 | $7700.00 | Window Closed / Lapsed |