US5705087A
Expired / Lapsed
US
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Fuel system icing inhibitor and deicing composition
Assignee: NAVY UNITED STATES NAVY THE, Secretary of
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Filing: 1996-05-31
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Granted: 1998-01-06
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Expires: 2016-05-31
Abstract
Abstract This invention pertains to hydrocarbon fuel composition and deicing composition prepared with a compound selected from the group consisting of acetals, ketals, esters, derivatives thereof and mixtures thereof; and a process for deicing a substrate using the noted deicing composition.
Inventors
- 👤 George W. Mushrush
- 👤 Dennis Hardy
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 23:30
CPC Classifications
C; C09; C09K; C09K3/00; C09K3/18; C09K3/185
Claims Analysis
Total Claims: 20
Claim 1
Independent Claim
105 words
A deicing composition comprising an effective amount of a compound to depress freezing point of a mixture of said deicing composition and any ice, said compound is selected from the group consisting of acetals, ketals, esters, derivatives of the acetals, derivatives of the ketals, derivatives of the esters and mixtures thereof, said compound has weight average molecular weight of from 50 to 350 and is a reaction product of a hydroxy compound of 2 to 6 hydroxy groups with an aldehyde of 1 to 7 carbon atoms, or a ketone of 3 to 7 carbon atoms, or an acid of 1 to 7 carbon atoms.
Claim 2
Dependent Claim
105 words
A deicing composition comprising an effective amount of a compound to depress freezing point of a mixture of said deicing composition and any ice, said compound is selected from the group consisting of acetals, ketals, esters, derivatives of the acetals, derivatives of the ketals, derivatives of the esters and mixtures thereof, said compound has weight average molecular weight of from 50 to 350 and is a reaction product of a hydroxy compound of 2 to 6 hydroxy groups with an aldehyde of 1 to 7 carbon atoms, or a ketone of 3 to 7 carbon atoms, or an acid of 1 to 7 carbon atoms.
Claim 3
Dependent Claim
17 words
The deicing composition according to claim 1, wherein said compound contains from 4 to 12 carbon atoms.
Claim 4
Dependent Claim
19 words
The deicing composition of claim 1, wherein said compound has solubility in water of at least 30 volume percent.
Claim 5
Dependent Claim
20 words
The deicing composition of claim 1, wherein said compound has solubility in water of from 30 to 55 volume percent.
Claim 6
Dependent Claim
19 words
The deicing composition of claim 1, wherein said compound has weight average molecular weight of from 104 to 260.
Claim 7
Dependent Claim
26 words
The deicing composition according to claim 1, wherein said compound is a reaction product of glycerol with acetone, or glycerol with acetaldehyde, or glycerol with formaldehyde.
Claim 8
Dependent Claim
26 words
The deicing composition according to claim 1, wherein said compound is a reaction product of trimethylolpropane with acetone, or trimethylolpropane with acetaldehyde, or trimethylolpropane with formaldehyde.
Claim 9
Dependent Claim
51 words
The deicing composition according to claim 1, wherein said compound is a reaction product of a first reactant selected from the group consisting of glycerol, trimethylolpropane, pentaerythritol, and mixtures thereof, and a second reactant selected from the group consisting of formic acid, acetic acid, propanoic acid, butyric acid and pentanoic acid.
Claim 10
Dependent Claim
33 words
The deicing composition of claim 1, wherein said compound is selected from the group consisting of 2,2-Dimethyl-1,3-dioxolane-4-methanol; 2-Methyl-1,3-dioxolane-4-methanol; 1,3-Dioxolane-4-methanol; Glyceryl tri-n-butyrate; 1,2:3,4-Di-o-isopropylidene-D-galactopyranose; 1,2:3,5-Di-o-isopropylidene-D-xylofuranose; (2,2,3-trimethyl- 1,3!dioxan-5-yl)-methanol; (2,5-dimethyl- 1,3!dioxan-5-yl)-methanol;(5,methyl- 1,3!dioxan-5-yl)-methanol; 2,4,8,10-Tetraoxaspiro 5,5!-undecane; and mixtures thereof.
Claim 11
Dependent Claim
94 words
A process for deicing a substrate comprising applying to said substrate a composition comprising a compound selected from the group consisting of acetals, ketals, esters, derivatives of the acetals, derivatives of the ketals, derivatives of the esters and mixtures thereof, the compound has weight average molecular weight of from 50 to 350 and is a reaction product of a hydroxy compound of 2 to 6 hydroxy groups with an aldehyde of 1 to 7 carbon atoms, or a ketone of 3 to 7 carbon atoms, or an acid of 1 to 7 carbon atoms.
Claim 12
Dependent Claim
94 words
A process for deicing a substrate comprising applying to said substrate a composition comprising a compound selected from the group consisting of acetals, ketals, esters, derivatives of the acetals, derivatives of the ketals, derivatives of the esters and mixtures thereof, the compound has weight average molecular weight of from 50 to 350 and is a reaction product of a hydroxy compound of 2 to 6 hydroxy groups with an aldehyde of 1 to 7 carbon atoms, or a ketone of 3 to 7 carbon atoms, or an acid of 1 to 7 carbon atoms.
Claim 13
Dependent Claim
15 words
The process according to claim 10, wherein said compound contains 4 to 12 carbon atoms.
Claim 14
Dependent Claim
30 words
The process according to claim 10, wherein said compound is selected from the group consisting of acetals, ketals, esters, which have solubility in water of at least 30 volume percent.
Claim 15
Dependent Claim
20 words
The process according to claim 10, wherein the compound has solubility in water of from 30 to 55 volume percent.
Claim 16
Dependent Claim
19 words
The process according to claim 10, wherein the compound has weight average molecular weight of from 104 to 260.
Claim 17
Dependent Claim
25 words
The process according to claim 10, wherein the compound is a reaction product of glycerol with acetone, or glycerol with acetaldehyde, or glycerol with formaldehyde.
Claim 18
Dependent Claim
25 words
The process according to claim 10, wherein the compound is a reaction product of trimethylolpropane with acetone, or trimethylolpropane with acetaldehyde, or trimethylolpropane with formaldehyde.
Claim 19
Dependent Claim
50 words
The process according to claim 10, wherein the compound is a reaction product of a first reactant selected from the group consisting of glycerol, trimethylolpropane, pentaerythritol, and mixtures thereof, and a second reactant selected from the group consisting of formic acid, acetic acid, propanoic acid, butyric acid and pentanoic acid.
Claim 20
Dependent Claim
34 words
The process of claim 10, wherein the compound is selected from the group consisting of 2,2-Dimethyl-1,3-dioxolane-4-methanol; 2-Methyl-1,3-dioxolane-4-methanol; 1,3 -Dioxolane-4-methanol; Glyceryl tri-n-butyrate; 1,2:3,4-Di-o-isopropylidene-D-galactopyranose; 1,2:3,5-Di-o-isopropylidene-D-xylofuranose; (2,2,3-trimethyl- 1,3!dioxan-5-yl)-methanol; (2,5-dimethyl- 1,3!dioxan-5-yl)-methanol; (5,methyl- 1,3!dioxan-5-yl)-methanol; 2,4,8,10-Tetraoxaspiro 5,5!-undecane; and mixtures thereof.
References Cited (Backward Citations)
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