US4124531A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Catalytic composite for the treatment of sour petroleum distillates
Assignee: Honeywell UOP LLC
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Filing: 1977-01-03
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Granted: 1978-11-07
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Expires: 1997-01-03
Abstract
Abstract A catalytic composite comprising a solid adsorptive support impregnated with a polynuclear aromatic sulfonic acid and a metal phthalocyanine is disclosed. The catalytic composite is particularly useful as a catalyst of improved activity stability for the treatment of sour petroleum distillates.
Inventors
- 👤 Robert R. Frame
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 11:31
CPC Classifications
C; C10; C10G; C10G27/00; C10G27/04; C10G27/10
Claims Analysis
Total Claims: 11
Claim 1
Independent Claim
68 words
A catalytic composite for the treatment of sour petroleum distillate comprising a solid adsorptive support impregnated with from about 0.1 to about 25 wt. % polynuclear aromatic sulfonic acid and from about 0.1 to about 10 wt. % metal phthalocyanine in which the metal is selected from the group consisting of magnesium, titanium, hafnium, vanadium, tantalum, molybdenum, maganese, iron, cobalt, nickel, platinum, palladium, copper, silver, zinc and tin.
Claim 2
Dependent Claim
68 words
A catalytic composite for the treatment of sour petroleum distillate comprising a solid adsorptive support impregnated with from about 0.1 to about 25 wt. % polynuclear aromatic sulfonic acid and from about 0.1 to about 10 wt. % metal phthalocyanine in which the metal is selected from the group consisting of magnesium, titanium, hafnium, vanadium, tantalum, molybdenum, maganese, iron, cobalt, nickel, platinum, palladium, copper, silver, zinc and tin.
Claim 3
Dependent Claim
17 words
The catalytic composite of claim 1 further characterized in that said adsorptive support is an activated charcoal.
Claim 4
Dependent Claim
19 words
The catalytic composite of claim 1 further characterized in that said polynuclear aromatic sulfonic acid is a naphthalenesulfonic acid.
Claim 5
Dependent Claim
19 words
The catalytic composite of claim 1 further characterized in that said polynuclear aromatic sulfonic acid is a naphthalenedisulfonic acid.
Claim 6
Dependent Claim
23 words
The catalytic composite of claim 1 further characterized in that said polynuclear aromatic sulfonic acid is an amino substituted polynuclear aromatic sulfonic acid.
Claim 7
Dependent Claim
23 words
The catalytic composite of claim 1 further characterized in that said polynuclear aromatic sulfonic acid is a hydroxy substituted polynuclear aromatic sulfonic acid.
Claim 8
Dependent Claim
18 words
The catalytic composite of claim 1 further characterized in that said metal phthalocyanine is a sulfonated metal phthalocyanine.
Claim 9
Dependent Claim
18 words
The catalytic composite of claim 1 further characterized in that said metal phthalocyanine is a carboxylated metal phthalocyanine.
Claim 10
Dependent Claim
16 words
The catalytic composite of claim 1 further characterized in that said metal phthalocyanine is cobalt phthalocyanine.
Claim 11
Dependent Claim
16 words
The catalytic composite of claim 1 further characterized in that said metal phthalocyanine is vanadium phthalocyanine.
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) | 1981-11-06 | 1982-05-08 | 1982-11-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1985-11-06 | 1986-05-08 | 1986-11-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1989-11-06 | 1990-05-08 | 1990-11-07 | $7700.00 | Window Closed / Lapsed |