Patent US3282702A successfully refreshed from Google Patents.
US3282702A
Expired / Lapsed
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Process for removing hydrogen peroxide from liquids
Assignee: Union Carbide Corp
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Filing: 1963-07-16
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Granted: 1966-11-01
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Expires: 1983-07-16
Abstract
No abstract record available.
Inventors
- 👤 Heinz R Schreiner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 08:57
CPC Classifications
A; A23; A23L; A23L2/00; A23L2/70; A23L2/76; A23B; A23B2/00; A23B2/70; A23B2/725; A23B2/729; A23B2/783; A23C; A23C9/00; A23C9/12; A23C9/1203; A23C9/1213; A23L2/84; C; C02; C02F; C02F1/00; C02F1/72; C02F1/722; C12; C12H; C12H1/00; C12H1/003
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
103 words
A PROCESS FOR REMOVING HYDROGEN PEROXIDE FROM A LIQUID CONTAINING HYDROGEN PEROXIDE WHICH PROCESS COMPRISES (1) CONTACTING SAID LIQUID WITH AN ENZYMATICALLYACTIVE, WATER-INSOLUBLE, CATALYST COMPOSITION CONSISTING ESSENTIALLY OF CATALASE BONDED TO A NORMALLY SOLID, WATERINSOLUBLE POLYMERIC CARRIER HAVING AT LEAST ONE ELECTROPHILIC FUNCTIONAL GROUP CAPABLE OF REPLACING AN ACTIVE HYDROGEN ATOM IN AN AMINO GROUP TO FORM A CARBON-TONITROGEN LINKAGE, SAID CATALYST BEING CHEMICALLY BONDED TO SAID POLYMERIC CARRIER VIA A COVALENT LINKAGE FORMED FROM NUCLEOPHILIC FUNCTIONAL GROUPS ON THE PROTEIN MOIETY OF THE CATALASE AND THE ELECTROPHILIC FUNCTIONAL GROUPS ON THE POLYMERIC CARRIER AND (2) SEPARATING THE LIQUID FROM THE CATALYST COMPOSITION.
Claim 2
Dependent Claim
103 words
A PROCESS FOR REMOVING HYDROGEN PEROXIDE FROM A LIQUID CONTAINING HYDROGEN PEROXIDE WHICH PROCESS COMPRISES (1) CONTACTING SAID LIQUID WITH AN ENZYMATICALLYACTIVE, WATER-INSOLUBLE, CATALYST COMPOSITION CONSISTING ESSENTIALLY OF CATALASE BONDED TO A NORMALLY SOLID, WATERINSOLUBLE POLYMERIC CARRIER HAVING AT LEAST ONE ELECTROPHILIC FUNCTIONAL GROUP CAPABLE OF REPLACING AN ACTIVE HYDROGEN ATOM IN AN AMINO GROUP TO FORM A CARBON-TONITROGEN LINKAGE, SAID CATALYST BEING CHEMICALLY BONDED TO SAID POLYMERIC CARRIER VIA A COVALENT LINKAGE FORMED FROM NUCLEOPHILIC FUNCTIONAL GROUPS ON THE PROTEIN MOIETY OF THE CATALASE AND THE ELECTROPHILIC FUNCTIONAL GROUPS ON THE POLYMERIC CARRIER AND (2) SEPARATING THE LIQUID FROM THE CATALYST COMPOSITION.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-10-31 | 1970-05-02 | 1970-11-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-10-31 | 1974-05-02 | 1974-11-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-10-31 | 1978-05-02 | 1978-11-01 | $7700.00 | Window Closed / Lapsed |