US3132095A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for the separation of an acid from a non-acidic component
Assignee: Filmfabrik Wolfen VEB
•
Filing: 1960-11-16
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Granted: 1964-05-05
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Expires: 1980-11-16
Abstract
No abstract record available.
Inventors
- 👤 Wolf Friedrich
- 👤 Baschmann Reinhard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 08:22
CPC Classifications
B; B01; B01J; B01J47/00; B01J47/12
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
84 words
A PROCESS FOR THE SEPARATION OF AN ACID FROM A NON-ACIDIC COMPONENT PRESENT IN MOLECULAR DISPERSION IN A SOLUTION WITH SAID ACID, WHICH COMPRISES SUBJECTING THE SOLUTION TO A DIFFUSION PROCESS THROUGH AT LEAST ONE MEMBRANE CONSISTING OF AN ANION-EXCHANGING RESIN OF THE TYPE BEING A MEMBER SELECTED FROM THE GROUP CONSISTING OF CONDENSATION AND POLYMERIZATION RESINS INTO WHICH AMINO GROUPS HAVE BEEN INCORPORATED, SAID DIFFUSION PROCESS BEING CONDUCTED IN THE ABSENCE OF AN ELECTRIC POTENTIAL BEING APPLIED WITH ATTENDANT ELECTROLYSIS IN THE SOLUTION.
Claim 2
Dependent Claim
84 words
A PROCESS FOR THE SEPARATION OF AN ACID FROM A NON-ACIDIC COMPONENT PRESENT IN MOLECULAR DISPERSION IN A SOLUTION WITH SAID ACID, WHICH COMPRISES SUBJECTING THE SOLUTION TO A DIFFUSION PROCESS THROUGH AT LEAST ONE MEMBRANE CONSISTING OF AN ANION-EXCHANGING RESIN OF THE TYPE BEING A MEMBER SELECTED FROM THE GROUP CONSISTING OF CONDENSATION AND POLYMERIZATION RESINS INTO WHICH AMINO GROUPS HAVE BEEN INCORPORATED, SAID DIFFUSION PROCESS BEING CONDUCTED IN THE ABSENCE OF AN ELECTRIC POTENTIAL BEING APPLIED WITH ATTENDANT ELECTROLYSIS IN THE SOLUTION.
Claim 3
Dependent Claim
63 words
THE PROCESS ACCORDING TO CLAIM 1, WHEREIN THE MEMBRANE CONSISTS OF AN ANION EXCHANGE RESIN CONSISTING OF A COPOLYMERIZATION PRODUCT OF A MONOMER SELECTED FROM THE GROUP CONSISTING OF STYRENE, CHLOROSTYRENE, ALKYL STYRENE AND ALKOXY STYRENE, AS BASIC CONSTITUENTS, AND A CROSS LINKING AGENT SELECTED FROM THE GROUP CONSISTING OF DIVINYL BENZENE AND BUTADIENE, SAID POLYMERIZATION PRODUCT BEING SUBJECTED TO CHLOROMETHYLATION AND AMINATION.
References Cited (Backward Citations)
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US2276210A
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US2405456A
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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) | 1967-05-05 | 1967-11-04 | 1968-05-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-05-05 | 1971-11-04 | 1972-05-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-05-05 | 1975-11-04 | 1976-05-05 | $7700.00 | Window Closed / Lapsed |