US4159964A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Metal chelate catalyst and alkanolamine hydroxide on adsorptive support
Assignee: Honeywell UOP LLC
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Filing: 1978-07-28
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Granted: 1979-07-03
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Expires: 1998-07-28
Abstract
Abstract A catalytic composite comprising a metal chelate mercaptan oxidation catalyst and an alkanolamine hydroxide impregnated on a solid adsorptive support is disclosed.
Inventors
- 👤 Robert R. Frame
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 21:20
CPC Classifications
C; C10; C10G; C10G27/00; C10G27/04; C10G27/10; B; B01; B01J; B01J31/00; B01J31/02; B01J31/0234; B01J31/0235; B01J31/0239; B01J31/16; B01J31/1616; B01J31/18; B01J31/1805; B01J31/181; B01J31/1825; B01J31/183; B01J2531/00; B01J2531/02; B01J2531/0238; B01J2531/0241; B01J2531/025; B01J2531/80; B01J2531/84; B01J2531/845; B01J2540/00; B01J2540/30; B01J2540/32
Claims Analysis
Total Claims: 13
Claim 1
Independent Claim
51 words
A catalytic composite comprising a metal chelate mercaptan oxidation catalyst and an alkanolamine hydroxide impregnated on a solid adsorptive support, said alkanolamine hydroxide being represented by the structural formula ##STR3## wherein R is an alkylene radical containing up to about 3 carbon atoms and X is a hydroxyl radical or hydrogen.
Claim 2
Dependent Claim
51 words
A catalytic composite comprising a metal chelate mercaptan oxidation catalyst and an alkanolamine hydroxide impregnated on a solid adsorptive support, said alkanolamine hydroxide being represented by the structural formula ##STR3## wherein R is an alkylene radical containing up to about 3 carbon atoms and X is a hydroxyl radical or hydrogen.
Claim 3
Dependent Claim
28 words
The catalytic composite of claim 1 further characterized in that said metal chelate mercaptan oxidation catalyst comprises from about 0.1 to about 10 wt.% of said catalytic composite.
Claim 4
Dependent Claim
28 words
The catalytic composite of claim 1 further characterized in that said metal chelate mercaptan oxidation catalyst comprises from about 0.1 to about 2.0 wt.% of said catalytic composite.
Claim 5
Dependent Claim
20 words
The catalytic composite of claim 1 further characterized in that said metal chelate mercaptan oxidation catalyst is a metal phthalocyanine.
Claim 6
Dependent Claim
19 words
The catalytic composite of claim 1 further characterized in that said metal chelate mercaptan oxidation catalyst is cobalt phthalocyanine.
Claim 7
Dependent Claim
20 words
The catalytic composite of claim 1 further characterized in that said metal chelate mercaptan oxidation catalyst is cobalt phthalocyanine monosulfonate.
Claim 8
Dependent Claim
26 words
The catalytic composite of claim 1 further characterized in that said alkanolamine hydroxide component comprises from about 1 to about 50 wt.% of said catalytic composite.
Claim 9
Dependent Claim
26 words
The catalytic composite of claim 1 further characterized in that said alkanolamine hydroxide component comprises from about 5 to about 35 wt.% of said catalytic composite.
Claim 10
Dependent Claim
17 words
The catalytic composite of claim 1 further characterized in that said alkanolamine hydroxide is an ethanoltrialkylammonium hydroxide.
Claim 11
Dependent Claim
17 words
The catalytic composite of claim 1 further characterized in that said alkanolamine hydroxide is an alkanoltrimethylammonium hydroxide.
Claim 12
Dependent Claim
16 words
The catalytic composite of claim 1 further characterized in that said alkanolamine hydroxide is ethanoltrimethylammonium hydroxide.
Claim 13
Dependent Claim
18 words
The catalytic composite of claim 1 further characterized in that said solid adsorptive support is an activated charcoal.
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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) | 1982-07-02 | 1983-01-01 | 1983-07-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1986-07-02 | 1987-01-01 | 1987-07-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1990-07-02 | 1991-01-01 | 1991-07-03 | $7700.00 | Window Closed / Lapsed |