US3622564A
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Synthesis of glycose hydrocarbon sulfonate surfactants
Assignee: Phillips Petroleum Co
•
Filing: 1969-01-03
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Granted: 1971-11-23
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Expires: 1989-01-03
Abstract
Abstract Glycose hydrocarbonsulfonates useful as surfactants are prepared by reacting a glycose with a hydrocarbonsulfonyl halide in the presence of a tertiary amine.
Inventors
- 👤 Edmund T Kittleman
- 👤 Roy A Gray
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 11:15
CPC Classifications
C; C07; C07H; C07H13/00; C11; C11D; C11D1/00; C11D1/02; C11D1/12; C11D1/16; Y; Y10; Y10S; Y10S516/00; Y10S516/01; Y10S516/03
Claims Analysis
Total Claims: 10
Claim 1
Independent Claim
19 words
The process of claim 1 carried out at a temperature in the range of from -10* to 25* C.
Claim 2
Dependent Claim
14 words
The process of claim 1 carried out in the presence of a nonreactive diluent.
Claim 3
Dependent Claim
29 words
The process of claim 1 wherein there is employed a hydrocarbonsulfonyl halide wherein the hydrocarbon moiety is an alkyl or cycloalkyl radical containing from six to 25 carbon atoms.
Claim 4
Dependent Claim
29 words
The process of claim 1 wherein there is employed a hydrocarbonsulfonyl halide wherein the hydrocarbon moiety is an alkyl or cycloalkyl radical containing from 12 to 18 carbon atoms.
Claim 5
Dependent Claim
29 words
The process of claim 1 wherein there is employed a hydrocarbonsulfonyl halide wherein the hydrocarbon moiety is a straight chain alkyl radical containing from 12 to 18 carbon atoms.
Claim 6
Dependent Claim
24 words
The process of claim 1 wherein the hydrocarbonsulfonate employed is a 1-alkanesulfonyl halide with the alkane moiety containing from 12 to 18 carbon atoms.
Claim 7
Dependent Claim
11 words
The process of claim 1 wherein a nonreducing glycose is employed.
Claim 8
Dependent Claim
11 words
The process of claim 1 wherein the glycose employed is sucrose.
Claim 9
Dependent Claim
13 words
A process in accordance with claim 7 wherein a nonreducing glycose is employed.
Claim 10
Dependent Claim
13 words
A process in accordance with claim 7 wherein the glycose employed is sucrose.
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) | 1974-11-22 | 1975-05-24 | 1975-11-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-11-22 | 1979-05-24 | 1979-11-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-11-22 | 1983-05-24 | 1983-11-23 | $7700.00 | Window Closed / Lapsed |