Patent US3878074A successfully refreshed from Google Patents.
US3878074A
Expired / Lapsed
US
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Vinylation of aromatic compounds
Assignee: Universal Oil Products Co
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Filing: 1973-07-26
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Granted: 1975-04-15
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Expires: 1993-07-26
Abstract
Abstract Aromatic compounds are vinylated by reaction with an ethylenic compound in the presence of certain metallic compounds and an organic solvent, the mixture being photocatalyzed by exposure to the emission from a light source having a wave length less than about 4,000A.
Inventors
- 👤 Paul H Reichenbacher
- 👤 Theresa M Forsythe
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 06:25
CPC Classifications
B; B01; B01J; B01J19/00; B01J19/08; B01J19/12; B01J19/122; B01J19/123; C; C07; C07C; C07C67/00; C07C67/28; C07C67/293; C07C67/30; C07C67/333; C07C67/343; C07D; C07D311/00; C07D311/02; C07D311/04; C07D311/06; C07D311/08; C07D311/10; Y; Y02; Y02P; Y02P20/00; Y02P20/50; Y02P20/582
Claims Analysis
Total Claims: 14
Claim 1
Independent Claim
14 words
A PROCESS FOR THE PHOTOCATALYTIC VIYLATION OF AN AROMATIC COMPOUND POSSESSING THE GENERIC FORMULA:
Claim 2
Dependent Claim
14 words
A PROCESS FOR THE PHOTOCATALYTIC VIYLATION OF AN AROMATIC COMPOUND POSSESSING THE GENERIC FORMULA:
Claim 3
Dependent Claim
43 words
The process as set forth in claim 1 in which said reaction conditions include a temperature in the range of from about 20* to about 200* C. and a Pressure in the range of from atmospheric to about 2,000 pounds per square inch.
Claim 4
Dependent Claim
17 words
The process as set forth in claim 1 in which said light source is ultra violet light.
Claim 5
Dependent Claim
31 words
The process as set forth in claim 1 in which said salt of a metal of Group VIII is palladium acetylacetonate and said salt of a transition metal is copper acetate.
Claim 6
Dependent Claim
21 words
The process as set forth in claim 1 in which said salt of a metal of Group VIII in platinum acetylacetonate.
Claim 7
Dependent Claim
21 words
The process as set forth in claim 1 in which said salt of a metal of Group VIII is palladium acetate.
Claim 8
Dependent Claim
22 words
The process as set forth in claim 1 in which said aromatic compound is phenol and said ethylenic compound is methyl acrylate.
Claim 9
Dependent Claim
22 words
The process as set forth in claim 1 in which said aromatic compound is benzene and said ethylenic compound is methyl acrylate.
Claim 10
Dependent Claim
21 words
The process as set forth in claim 1 in which said aromatic compound is benzene and said ethylenic compound is acrylonitrile.
Claim 11
Dependent Claim
22 words
The process as set forth in claim 1 in which said aromatic compound is benzene and said ethylenic compound is allyl acetate.
Claim 12
Dependent Claim
22 words
The process as set forth in claim 1 in which said aromatic compound is benzene and said ethylenic compound is vinyl acetate.
Claim 13
Dependent Claim
19 words
The process as set forth in claim 1 further characterized in that said metal salts are carboxylates or acetylacetonates.
Claim 14
Dependent Claim
20 words
The process as set forth in claim 1 further characterized in that said Group VIII metal is platinum or palladium.
References Cited (Backward Citations)
US2384085A
Cited
US3701722A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1978-04-14 | 1978-10-14 | 1979-04-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1982-04-14 | 1982-10-14 | 1983-04-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1986-04-14 | 1986-10-14 | 1987-04-15 | $7700.00 | Window Closed / Lapsed |