← Back to Patent Explorer
US4159964A Expired / Lapsed US ⏱️ 0.0 years remaining

Metal chelate catalyst and alkanolamine hydroxide on adsorptive support

Assignee: Honeywell UOP LLC
•
Filing: 1978-07-28
•
Granted: 1979-07-03
•
Expires: 1998-07-28
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

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.

References Cited (Backward Citations)

US2744854A Cited
US2978404A Cited
US4003827A Cited
US4028269A Cited
US4033860A Cited
US4070271A Cited
US4121997A Cited
US4124494A Cited

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

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag