US3846236A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and apparatus for dialysis
Assignee: Wisconsin Alumni Research Foundation
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Filing: 1971-10-22
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Granted: 1974-11-05
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Expires: 1991-10-22
Abstract
Abstract 1. THE METHOD OF OXYGENATION OF A LIQUID BY DIALYSIS WITH A LIQUID CONTAINING HYDROGEN PEROXIDE COMPRISING THE TEPS OF SEPARATING THE LIQUID TO BE OXYGENATED FROM THE HYDROGEN PEROXIDE SOLUTION WITH A SEMI-PERMEABLE MEMBRANE WHICH IS WETTABLE BY THE LIQUIDS AND WHICH EMBODIES A CATALYTIC AGENT WHICH CONVERSTS H2O2 TO H2O AND O2 DURING PASSAGE OF THE H2O2 THERETHROUGH, WHEREBY OXYGEN IS RELEASED AT THE SURFACE OF THE MEMBRANE IN CONTACT WITH THE LIQUID TO BE OXYGENATED.
Inventors
- 👤 S Updike
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 15:07
CPC Classifications
A; A61; A61M; A61M1/00; A61M1/14; A61M1/16; A61M1/1698; A61M1/1621; A61M1/1629; B; B01; B01D; B01D61/00; B01D61/24; B01D61/243; B01D69/00; B01D69/02; B01D69/14; B01D69/141; B01D69/145; B01D71/00; B01D71/06; B01D71/08; B01D71/12; A61M1/36; A61M1/3687; A61M2202/00; A61M2202/02; A61M2202/0225; A61M2202/04; A61M2202/0468; A61M2202/0476; Y; Y10; Y10S; Y10S128/00; Y10S128/03
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
77 words
THE METHOD OF OXYGENATION OF A LIQUID BY DIALYSIS WITH A LIQUID CONTAINING HYDROGEN PEROXIDE COMPRISING THE TEPS OF SEPARATING THE LIQUID TO BE OXYGENATED FROM THE HYDROGEN PEROXIDE SOLUTION WITH A SEMI-PERMEABLE MEMBRANE WHICH IS WETTABLE BY THE LIQUIDS AND WHICH EMBODIES A CATALYTIC AGENT WHICH CONVERSTS H2O2 TO H2O AND O2 DURING PASSAGE OF THE H2O2 THERETHROUGH, WHEREBY OXYGEN IS RELEASED AT THE SURFACE OF THE MEMBRANE IN CONTACT WITH THE LIQUID TO BE OXYGENATED.
Claim 2
Independent Claim
77 words
THE METHOD OF OXYGENATION OF A LIQUID BY DIALYSIS WITH A LIQUID CONTAINING HYDROGEN PEROXIDE COMPRISING THE TEPS OF SEPARATING THE LIQUID TO BE OXYGENATED FROM THE HYDROGEN PEROXIDE SOLUTION WITH A SEMI-PERMEABLE MEMBRANE WHICH IS WETTABLE BY THE LIQUIDS AND WHICH EMBODIES A CATALYTIC AGENT WHICH CONVERSTS H2O2 TO H2O AND O2 DURING PASSAGE OF THE H2O2 THERETHROUGH, WHEREBY OXYGEN IS RELEASED AT THE SURFACE OF THE MEMBRANE IN CONTACT WITH THE LIQUID TO BE OXYGENATED.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1977-11-04 | 1978-05-06 | 1978-11-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-11-04 | 1982-05-06 | 1982-11-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-11-04 | 1986-05-06 | 1986-11-05 | $7700.00 | Window Closed / Lapsed |