US3683030A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Alkylation of phenolic or thiophenolic compounds
Assignee: Universal Oil Products Co
•
Filing: 1969-07-14
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Granted: 1972-08-08
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Expires: 1989-07-14
Abstract
Abstract Alkylating a phenolic or thiophenolic compound with an alkylating agent in contact with a catalyst comprising silica, metal oxide and nitrogen-containing Lewis base.
Inventors
- 👤 Allen K Sparks
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 15:48
CPC Classifications
C; C07; C07C; C07C323/00; B; B01; B01J; B01J21/00; B01J21/12; B01J37/00; B01J37/02; B01J37/0201; B01J37/0203; C07C319/00; C07C319/02; C07C319/12; C07C37/00; C07C37/11; C07C37/14; C07C37/16; C07C41/00; C07C41/01; C07C41/18; C07C41/30
Claims Analysis
Total Claims: 18
Claim 1
Independent Claim
34 words
The improvement of claim 1 wherein said catalyst comprises from about 60 percent to about 90 percent by weight of silica and from about 5 percent to about 40 percent by weight of alumina.
Claim 2
Dependent Claim
1 words
ammonia;
Claim 3
Dependent Claim
26 words
alkylamines selected from the group consisting of methylamine, dimethylamine, trimethylamine, ethylamine, diethylamine, triethylamine, propylamine, dipropylamine, tripropylamine, butylamine, dibutylamine, tributylamine, pentylamine, dipentylamine, tripentylamine, hexylamine, dihexylamine and trihexylamine;
Claim 4
Dependent Claim
17 words
The improvement of claim 2 wherein said catalyst comprises silica, alumina and a heterocyclic nitrogen-containing Lewis base.
Claim 5
Dependent Claim
13 words
The improvement of claim 3 wherein said heterocyclic nitrogen-containing Lewis base is quinoline.
Claim 6
Dependent Claim
21 words
alkylenepolyamines having up to 4 alkylene groups of two to 10 carbon atoms each and from two to 5 nitrogen atoms;
Claim 7
Dependent Claim
11 words
alkanolamines selected from the group consisting of ethanolamine, diethanolamine and triethanolamine;
Claim 8
Dependent Claim
13 words
The improvement of claim 3 wherein said heterocyclic nitrogen-containing Lewis base is pyridine.
Claim 9
Dependent Claim
13 words
The improvement of claim 3 wherein said heterocyclic nitrogen-containing Lewis base is morpholine.
Claim 10
Dependent Claim
13 words
aminoalkyl alkanolamines in which each alkyl contains from two to 10 carbon atoms;
Claim 11
Dependent Claim
13 words
N-hydroxyalkyl-aminoalkyl alkanolamines in which each alkyl contains from two to 10 carbon atoms;
Claim 12
Dependent Claim
12 words
The process of claim 1 wherein said phenolic compound is a phenol.
Claim 13
Dependent Claim
11 words
The process of claim 7 wherein said phenolic compound is p-hydroxyanisole.
Claim 14
Dependent Claim
17 words
arylamines in which the aryl is an aromatic hydrocarbon nucleus of from one to three condensed rings;
Claim 15
Dependent Claim
2 words
phenylenediamines; and,
Claim 16
Dependent Claim
12 words
The process of claim 8 wherein said alkylating agent is tertiary-butyl alcohol.
Claim 17
Dependent Claim
1 words
cyclohexylamine.
Claim 18
Dependent Claim
11 words
The process of claim 8 wherein said alkylating agent is isobutylene.
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) | 1975-08-08 | 1976-02-07 | 1976-08-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-08-08 | 1980-02-07 | 1980-08-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-08-08 | 1984-02-07 | 1984-08-08 | $7700.00 | Window Closed / Lapsed |