US3575885A
Expired / Lapsed
US
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Supported cuprous halide absorbents and methods for their preparation
Assignee: ExxonMobil Technology and Engineering Co
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Filing: 1965-03-01
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Granted: 1971-04-20
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Expires: 1985-03-01
Abstract
Abstract SUPPORTED ACTIVE CUPROUS HALIDE SORBENTS ARE PREPARED BY CONTACTING A CUPROUS HALIDE SOLUTION WITH A POROUS, PARTICULATE SUPPORT, SUCH AS SILICA AND/OR ALUMINA TO IMPREGNATE THE CUPROUS HALIDE THEREIN, THEN CONTACTING THE IMPREGNATED SUPPORT WITH A SUITABLE LIGAND, SUCH AS BUTADIENE, TO FORM A INSOLUBLE COMPLEX WITHIN THE PORES OF THE SUPPORT, AND ACTIVATING THE SORBENT BY DECOMPLEXING THE COMPLEX.
Inventors
- 👤 Edward Allen Hunter
- 👤 Marnell Albin Segura
- 👤 William Lambert Senn Jr
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 07:51
CPC Classifications
B; B01; B01J; B01J20/00; B01J20/02; B01J20/06; B01J20/08; B01J20/0203; B01J20/0233; B01J20/0237; B01J20/0274; B01J20/0288; B01J20/10; B01J20/22; B01J20/223; B01J20/26; B01J20/261; B01J20/262; B01J20/264; B01J20/265; B01J20/267; B01J20/28; B01J20/28014; B01J20/28016; B01J20/28019; B01J20/28054; B01J20/28057; B01J20/28069; B01J20/28078; B01J20/28095; B01J20/28097; B01J20/30; B01J20/3071; B01J20/3078; B01J20/32; B01J20/3202; B01J20/3204; B01J20/3231; B01J20/3234; B01J20/3236; B01J20/3242; B01J20/3244; B01J20/3265; B01J20/3268; B01J20/327; B01J20/3272; B01J20/3276; B01J20/328; B01J20/3282; B01J20/3289; B01J2220/00; B01J2220/40; B01J2220/42
Claims Analysis
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References Cited (Backward Citations)
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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) | 1974-04-19 | 1974-10-19 | 1975-04-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-04-19 | 1978-10-19 | 1979-04-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-04-19 | 1982-10-19 | 1983-04-20 | $7700.00 | Window Closed / Lapsed |