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US5094768A Expired / Lapsed US ⏱️ 0.0 years remaining

Liquid compositions for refrigeration systems containing boron compositions

Assignee: Mycogen Plant Science Inc
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Filing: 1990-03-30
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Granted: 1992-03-10
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Expires: 2010-03-30
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Abstract

Abstract This invention relates to a composition comprising: (A) a major amount of a fluorine-containing hydrocarbon containing one or two carbon atoms; and (B) a minor amount of at least one soluble boron-containing composition prepared by reacting a boron source with a monohydroxy alcohol, an alkylene glycol, a polyoxyalkylene glycol, hydrocarbyloxyalkylene glycol, a hydrocarbylcarbonyl polyoxyalkylene glycol, a hydroxy amine, or mixtures of two or more thereof, provided that the boron-containing composition is substantially free of hydroxyl groups. The present invention provides compositions which are useful in refrigerators or air conditioners including auto, home and industrial air conditioners. The invention provides boron-containing compositions which are compatible with fluorine-containing hydrocarbons used in refrigerators and air conditioners.

Inventors

  • 👤 Scott T. Jolley

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-05 22:59
CPC Classifications
C; C10; C10M; C10M105/00; C09; C09K; C09K5/00; C09K5/02; C09K5/04; C09K5/041; C09K5/044; C09K5/045; C10M105/08; C10M105/32; C10M105/34; C10M105/38; C10M105/40; C10M105/42; C10M105/50; C10M105/54; C10M105/56; C10M105/58; C10M105/78; C10M107/00; C10M107/20; C10M107/30; C10M107/32; C10M107/34; C10M111/00; C10M111/04; C10M139/00; C10M171/00; C10M171/008; C09K2205/00; C09K2205/24; C10M2203/00; C10M2203/003; C10M2207/00; C10M2207/28; C10M2207/281; C10M2207/2815; C10M2207/282; C10M2207/283; C10M2207/2835; C10M2207/284; C10M2207/2845; C10M2207/286; C10M2207/287; C10M2207/2875; C10M2207/288; C10M2207/2885; C10M2207/289; C10M2207/2895; C10M2207/30; C10M2207/301; C10M2207/302; C10M2207/304; C10M2209/00; C10M2209/10; C10M2209/103; C10M2209/1033; C10M2209/104; C10M2209/1045; C10M2209/105; C10M2209/1055; C10M2209/106; C10M2209/1065; C10M2209/107; C10M2209/1075; C10M2209/108; C10M2209/1085; C10M2209/109; C10M2209/1095; C10M2211/00; C10M2211/02; C10M2211/022; C10M2211/04; C10M2211/0406; C10M2211/042; C10M2211/0425; C10M2211/044; C10M2211/0445; C10M2211/06; C10M2215/00; C10M2215/02; C10M2215/023; C10M2215/16; C10M2215/20; C10M2215/206; C10M2215/24; C10M2215/26; C10M2215/265; C10M2219/00; C10M2219/08; C10M2219/082; C10M2219/084; C10M2227/00; C10M2227/06; C10M2227/061; C10M2227/0615; C10M2227/062; C10M2227/0625; C10N; C10N2040/00; C10N2040/30; C10N2040/32; C10N2040/34; C10N2040/36; C10N2040/38; C10N2040/40; C10N2040/42; C10N2040/44; C10N2040/50

Claims Analysis

Total Claims: 40
Claim 1
Independent Claim 71 words
A composition, comprising: (A) a major amount of a fluorohydrocarbon containing one or two carbon atoms; and (B) a minor amount of at least one soluble boron-containing composition prepared by reacting a boron source with a monohydroxy alcohol, an alkylene glycol, a polyoxyalkylene glycol, hydrocarbyloxyalkylene glycol, a hydrocarbylcarbonyl polyoxyalkylene glycol, a hydroxy amine, or mixtures of two or more thereof, provided that the boron-containing composition is substantially free of hydroxyl groups.
Claim 2
Dependent Claim 71 words
A composition, comprising: (A) a major amount of a fluorohydrocarbon containing one or two carbon atoms; and (B) a minor amount of at least one soluble boron-containing composition prepared by reacting a boron source with a monohydroxy alcohol, an alkylene glycol, a polyoxyalkylene glycol, hydrocarbyloxyalkylene glycol, a hydrocarbylcarbonyl polyoxyalkylene glycol, a hydroxy amine, or mixtures of two or more thereof, provided that the boron-containing composition is substantially free of hydroxyl groups.
Claim 3
Dependent Claim 12 words
The composition of claim 1 wherein the boron source is boric acid.
Claim 4
Dependent Claim 17 words
The composition of claim 1 wherein the monohydroxy alcohol has from 1 to about 12 carbon atoms.
Claim 5
Dependent Claim 19 words
The composition of claim 1, wherein the alkylene glycol is ethylene glycol, diethylene glycol, neopentyl glycol and tripropylene glycol.
Claim 6
Dependent Claim 23 words
The composition of claim 1 wherein the polyoxyalkylene glycol is a polyoxyethylene glycol, polyoxypropylene glycol, or a glycol containing oxyethylene and oxypropylene groups.
Claim 7
Dependent Claim 33 words
The composition of claim 1 wherein the hydrocarbyl terminated polyoxyalkylene glycol is a alkyl terminated polyoxyethylene, polyoxypropylene glycol or mixtures thereof wherein the alkyl group contains from 1 to about 16 carbon atoms.
Claim 8
Dependent Claim 55 words
The composition of claim 1, wherein the hydroxyamine is represented by the formula ##STR10## wherein b is zero or one, each R 2 is independently a hydrocarbylene group; R 5 is a hydrocarbyl group; and a is a number from zero to 50 provided that at least one a is a number greater than zero.
Claim 9
Dependent Claim 29 words
The composition of 1 wherein the boron-containing composition is prepared from a mixture of an N-alkyl alkanolamine and an alkyl terminated polyoxyethylene glycol or polyoxypropylene glycol, or mixtures thereof.
Claim 10
Dependent Claim 29 words
The composition of 1 wherein the boron-containing composition is prepared from a mixture of an N-alkyl alkanolamine and an alkyl terminated polyoxyethylene glycol or polyoxypropylene glycol, or mixtures thereof.
Claim 11
Dependent Claim 41 words
The composition of 1 wherein the boron-containing composition is formed by reacting the boron source with an amount of the mixture of an alkyl terminated polyoxyalkylene glycol and an N-alkyl alkanolamine which provides three hydroxyl groups for every one boron atom.
Claim 12
Dependent Claim 41 words
The composition of 1 wherein the boron-containing composition is formed by reacting the boron source with an amount of the mixture of an alkyl terminated polyoxyalkylene glycol and an N-alkyl alkanolamine which provides three hydroxyl groups for every one boron atom.
Claim 13
Dependent Claim 32 words
The composition of claim 1 wherein (A) is present from about 70 to about 99% by weight and (B) is present from about 1 to about 30% by weight of the composition.
Claim 14
Dependent Claim 19 words
The composition of claim 1, further comprising: (C) at least one polyoxyalkylene glycol or at least one carboxylic ester.
Claim 15
Dependent Claim 43 words
The composition of claim 11 wherein (A) is present in an amount from 70 to 98.9% by weight, (B) is present in an amount from 0.1 to 29% by weight, and (C) is present in an amount from 1 to 29.9% by weight.
Claim 16
Dependent Claim 106 words
A composition, comprising: (A) a major amount of a fluorohydrocarbon containing one or two carbon atoms; and (B) a minor amount of at least one soluble boron-containing composition represented by one of the formulae: ##STR11## wherein m is a number from zero to 50; wherein n is zero or one; wherein each R 1 is independently a hydrocarbyloxy group, a hydrocarbyl oxyalkylene group, a hydrocarbylcarbonyl polyoxyalkylene, or two R 1 groups taken together form ##STR12## wherein each R 2 is independently a hydrocarbylene group; wherein R 3 is a hydrocarbyl group or a hydrocarbylcarbonyl group; and wherein p is a number from 1 to about 50.
Claim 17
Dependent Claim 106 words
A composition, comprising: (A) a major amount of a fluorohydrocarbon containing one or two carbon atoms; and (B) a minor amount of at least one soluble boron-containing composition represented by one of the formulae: ##STR11## wherein m is a number from zero to 50; wherein n is zero or one; wherein each R 1 is independently a hydrocarbyloxy group, a hydrocarbyl oxyalkylene group, a hydrocarbylcarbonyl polyoxyalkylene, or two R 1 groups taken together form ##STR12## wherein each R 2 is independently a hydrocarbylene group; wherein R 3 is a hydrocarbyl group or a hydrocarbylcarbonyl group; and wherein p is a number from 1 to about 50.
Claim 18
Dependent Claim 11 words
The composition of claim 13 wherein the fluorohydrocarbon (A) is 1,1,1,2-tetrafluoroethane.
Claim 19
Dependent Claim 115 words
The composition of claim 13 wherein each R 1 is independently a hydrocarbyloxy group having from 1 to about 18 carbon atoms; a hydrocarbyl terminated polyoxyethylene having from 2 to about 20 oxyalkylene groups and from 1 to about 18 carbon atoms in the hydrocarbyl group; a hydrocarbyl carbonyl polyoxyalkylene having from 2 to about 20 oxyalkylene groups and from 1 to about 18 carbon atoms in the hydrocarbyl group, or two R 1 groups taken together form ##STR13## wherein each R 2 is independently a hydrocarbylene group having 1 to about 10 carbon atoms; R 3 is a hydrocarbyl group having 1 to about 18 carbon atoms; and p is 1 to about 30.
Claim 20
Dependent Claim 111 words
The composition of claim 13 wherein each R 1 is independently a straight-chain alkyloxy group having from 1 to about 10 carbon atoms, a branched-chain alkyloxy group having from 3 to about 16 carbon atoms, an alkyl terminated oxyethylene group, oxypropylene group, or mixtures thereof wherein the alkyl group contains from 1 to about 16 carbon atoms; or wherein two R 1 groups taken together form ##STR14## wherein R 3 is an alkyl group having from 1 to about 18 carbon atoms or an alkyl carbonyl group having 1 to about 18 carbon atoms in the alkyl group and wherein each p is independently a number from 1 to about 30.
Claim 21
Dependent Claim 16 words
The composition of claim 13 wherein each R 2 is independently an ethylene or propylene group.
Claim 22
Dependent Claim 9 words
The composition of claim 13 wherein n equals zero.
Claim 23
Dependent Claim 9 words
The composition of claim 13 wherein n equals one.
Claim 24
Dependent Claim 14 words
The composition of claim 13 wherein the boron-containing composition is represented by Formula I.
Claim 25
Dependent Claim 77 words
The composition of claim 20 wherein one R 1 is an alkyl terminated polyoxyethylene, polyoxypropylene or mixtures thereof, wherein the alkyl group contains from 1 to about 16 carbon atoms; and the other R 1 groups taken together form a ##STR15## group wherein each R 2 is independently an ethylene or propylene group R 3 is an alkyl group having from 1 to about 4 carbon atoms and p is a number from 1 to about 30.
Claim 26
Dependent Claim 14 words
The composition of claim 13 wherein the boron-containing composition is represented by Formula II.
Claim 27
Dependent Claim 14 words
The composition of claim 13 wherein the boron-containing composition is represented by Formula III.
Claim 28
Dependent Claim 32 words
The composition of claim 13 wherein (A) is present from about 70 to about 99% by weight and (B) is present from about 1 to about 30% by weight of the composition.
Claim 29
Dependent Claim 19 words
The composition of claim 13, further comprising: (C) at least one polyoxyalkylene glycol or at least one carboxylic ester.
Claim 30
Dependent Claim 43 words
The composition of claim 25 wherein (A) is present in an amount from 70 to 98.9% by weight, (B) is present in an amount from 0.1 to 29% by weight, and (C) is present in an amount from 1 to 29.9% by weight.
Claim 31
Dependent Claim 94 words
A composition, comprising: (A) a major amount of a fluorohydrocarbon containing one or two carbon atoms; and (B) a minor amount of a boron-containing composition of the formula ##STR16## wherein R is a straight-chain alkyl group having from 1 to about 8 carbon atoms or a branched-chain alkyl group having from 3 to about 16 carbon atoms, n is 1 to about 50, each R 2 is independently an alkylene group having from 2 to about 8 carbon atoms, and R 3 is an alkyl group having from 1 to about 8 carbon atoms.
Claim 32
Dependent Claim 94 words
A composition, comprising: (A) a major amount of a fluorohydrocarbon containing one or two carbon atoms; and (B) a minor amount of a boron-containing composition of the formula ##STR16## wherein R is a straight-chain alkyl group having from 1 to about 8 carbon atoms or a branched-chain alkyl group having from 3 to about 16 carbon atoms, n is 1 to about 50, each R 2 is independently an alkylene group having from 2 to about 8 carbon atoms, and R 3 is an alkyl group having from 1 to about 8 carbon atoms.
Claim 33
Dependent Claim 11 words
The composition of claim 27 wherein the fluorohydrocarbon (A) is 1,1,1,2-tetrafluoroethane.
Claim 34
Dependent Claim 45 words
The composition of claim 27 wherein R is an methyl, ethyl, butyl, iso-octyl, iso-deoyl or iso-dodecyl group, n is about 2 to about 20, each R 2 is independently an ethylene or propylene group, and R 3 is a methyl, ethyl, propyl or butyl group.
Claim 35
Dependent Claim 32 words
The composition of claim 27 wherein (A) is present from about 70 to about 99% by weight and (B) is present from about 1 to about 30% by weight of the composition.
Claim 36
Dependent Claim 19 words
The composition of claim 27, further comprising: (C) at least one polyoxyalkylene glycol or at least one carboxylic ester.
Claim 37
Dependent Claim 43 words
The composition of claim 31 wherein (A) is present in an amount from 70 to 98.9% by weight, (B) is present in an amount from 0.1 to 29% by weight, and (C) is present in an amount from 1 to 29.9% by weight.
Claim 38
Dependent Claim 17 words
A method of lubricating metal parts comprising contacting the metal parts with the composition of claim 1.
Claim 39
Dependent Claim 17 words
A method of lubricating metal parts comprising contacting the metal parts with the composition of claim 13.
Claim 40
Dependent Claim 17 words
A method of lubricating metal parts comprising contacting the metal parts with the composition of claim 27.

References Cited (Backward Citations)

US2550113A Cited
US4068706A Cited
GB1474048A Cited
US4428854A Cited
US4623475A Cited
US4755316A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1995-03-10 1995-09-09 1996-03-10 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1999-03-10 1999-09-09 2000-03-10 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 2003-03-10 2003-09-09 2004-03-10 $7700.00 Window Closed / Lapsed

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