Patent US3348908A successfully refreshed from Google Patents.
US3348908A
Expired / Lapsed
US
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Simplified preparations of copper halide adsorbents
Assignee: ExxonMobil Technology and Engineering Co
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Filing: 1964-01-31
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Granted: 1967-10-24
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Expires: 1984-01-31
Abstract
No abstract record available.
Inventors
- 👤 Robert B Long
- 👤 Fred A Caruso
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 05:30
CPC Classifications
B; B01; B01J; B01J20/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
163 words
A SOLUTION PROCESS FOR PREPARING AN ACTIVE, HIGH LARGE PORE POROSITY, SOLID CUPROUS HALIDE ADSORBENT SELECTED FROM THE GROUP CONSISTING OF CUPROUS CHLORIDE AND CUPROUS BROMIDE WHICH COMPRISES: (A) SLOWLY ADDING A LIQUID ACID SOLUTION OF A CUPROUS HALIDE SALT SELECTED FROM THE GROUP CONSISTING OF CUCL AND CUBR IN A CONCENTRATED AQUEOUS HYDROHALOGEN ACID, CORRESPONDING TO THE HALOGEN OF SAID DISSOLVED CUPROUS HALIDE SALT, TO A LARGER VOLUME OF A LIQUID SOLUTION OF A COMPLEXING MATERIAL, WHICH FORMS A STABLE INSOLUBLE COMPLEX WITH SAID CUPROUS HALIDE SALT HAVING A RATIO OF COPPER TO COMPLEXING MATERIAL GREATER THAN 1:1, DISSOLVED IN A MATERIAL SELECTED FROM THE GROUP CONSISTING OF WATER, C1 TO C10+ ALCOHOLS, C2 TO C8 WATER-SOLUBLE ETHERS, WATERSOLUBLE ESTERS AND CAUSTIC SOLUTIONS, WHICH COMPLEX PRECIPITATES OUT OF SOLUTION UPON FORMATION THEREOF AS INSOLUBLE COMPLEX PARTICLES; (B) SEPARATING SAID PRECIPITATE OF SAID INSOLUBLE CUPROUS HALIDE COMPLEX PARTICLES; AND (C) DISSOCIATING SAID COMPLEX PARTICLES TO OBTAIN THE ACTIVE, HIGH LARGE PORE POROSITY ADSORBENT.
Claim 2
Dependent Claim
163 words
A SOLUTION PROCESS FOR PREPARING AN ACTIVE, HIGH LARGE PORE POROSITY, SOLID CUPROUS HALIDE ADSORBENT SELECTED FROM THE GROUP CONSISTING OF CUPROUS CHLORIDE AND CUPROUS BROMIDE WHICH COMPRISES: (A) SLOWLY ADDING A LIQUID ACID SOLUTION OF A CUPROUS HALIDE SALT SELECTED FROM THE GROUP CONSISTING OF CUCL AND CUBR IN A CONCENTRATED AQUEOUS HYDROHALOGEN ACID, CORRESPONDING TO THE HALOGEN OF SAID DISSOLVED CUPROUS HALIDE SALT, TO A LARGER VOLUME OF A LIQUID SOLUTION OF A COMPLEXING MATERIAL, WHICH FORMS A STABLE INSOLUBLE COMPLEX WITH SAID CUPROUS HALIDE SALT HAVING A RATIO OF COPPER TO COMPLEXING MATERIAL GREATER THAN 1:1, DISSOLVED IN A MATERIAL SELECTED FROM THE GROUP CONSISTING OF WATER, C1 TO C10+ ALCOHOLS, C2 TO C8 WATER-SOLUBLE ETHERS, WATERSOLUBLE ESTERS AND CAUSTIC SOLUTIONS, WHICH COMPLEX PRECIPITATES OUT OF SOLUTION UPON FORMATION THEREOF AS INSOLUBLE COMPLEX PARTICLES; (B) SEPARATING SAID PRECIPITATE OF SAID INSOLUBLE CUPROUS HALIDE COMPLEX PARTICLES; AND (C) DISSOCIATING SAID COMPLEX PARTICLES TO OBTAIN THE ACTIVE, HIGH LARGE PORE POROSITY ADSORBENT.
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) | 1970-10-23 | 1971-04-24 | 1971-10-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-10-23 | 1975-04-24 | 1975-10-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-10-23 | 1979-04-24 | 1979-10-24 | $7700.00 | Window Closed / Lapsed |