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6191086 |
Cleaning composition and method for removing residues
Non-corrosive cleaning compositions that are aqueous based and useful for removing photoresist, plasma etch and CMP residues from a substrate. One preferred cleaning composition comprises: (i) a...
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6187729 |
Cleaning composition comprising solvating agent and rinsing agent
A liquid cleaning composition comprising a solvating agent and a rinsing agent, the ratio of the vapor pressure of said rinsing agent to the vapor pressure of said solvating agent being at least...
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6159917 |
Dry cleaning compositions containing hydrofluoroether
The invention provides dry cleaning compositions comprising hydrofluoroether, a cosolvent selected from the group consisting of glycol ethers, fluorocarbon surfactants, alkanols, and mixtures...
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6153575 |
Storage stabilized 1,2-dichloroethylene compositions
Describes a stabilized trans-1,2-dichloroethylene composition having a low concentration of aliphatic aldehyde hydrazone, optionally in combination with an epoxide. The aliphatic aldehyde hydrazone...
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6152149 |
Method of cleaning a cable using a brominated hydrocarbon and ester solution
A method of cleaning a power cable having a semi-conductive layer includes wiping the semi-conductive layer with a cleaning solution comprising a brominated hydrocarbon selected from the group...
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6133221 |
Fluorinated hydrobromocarbon solvent cleaning process and composition
A cleaning process suitable for both mild and aggressive applications employs non-flammable, non-corrosive and environmentally friendly, fluorinated hydrobromocarbon solvent based cleaning...
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6114293 |
Movie film cleaning process using halogenated hydrobromocarbon solvents
A process for cleaning movie film, and especially cellulose acetate based polymer film, without causing film damage, comprises immersing the film into a cleaning solvent composition which comprises...
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6113708 |
Cleaning of flat-panel display
A component (10 or 12) of a flat-panel display is cleaned with a fluid having a mole-fraction dominant constituent. The cleaning operation is performed by subjecting the component to the cleaning...
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6080799 |
Mixtures containing 1,1,1,3,3 pentafluorobutane
Mixtures containing 50 to 99% by weight of 1,1,1,3,3-pentafluorobutane and 1 to 50% by weight of at least one fluorohydrocarbon selected from 1,1,1,2-tetrafluoroethane,...
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6077819 |
Azeotropes of chlorofluoroethanes of the formula CF.sub.3 CC1.sub.2+x ub . F.s1-x with HF and manufacturing processes therewith
A process is disclosed for recovering HF from a product mixture comprising HF and at least one compound having the formula CF 3 CCl 2 +x F 1 -x (where x is 0 or 1). The process includes the steps...
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6071872 |
Cable cleaning solution comprising a brominated hydrocarbon and an ester
A cleaning solution including a brominated hydrocarbon and an ester. The cleaning solution is especially useful for cleaning high-voltage power cables prior to splicing.
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6063749 |
Stabilized alkyl bromide solvents containing dialkyl carbonates
This invention provides a stabilized alkyl bromide based solvent system that is useful for cleaning and degreasing a wide variety of metal objects. The solvent is stabilized with a stabilizer...
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6053952 |
Method of dry cleaning using a highly fluorinated organic liquid
The invention provides dry cleaning liquid formulations and methods for their use based on a highly fluorinated organic solvent which contains at least one hydrogen atom per molecule, in...
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6048833 |
Azeotrope and azeotrope-like compositions of 1-bromopropane and highly fluorinated hydrocarbons
This invention provides a solvent composition comprising 1-bromopropane and a decafluoropentane for use as a cleaning and degreasing solvent. Preferably the decafluoropentane consists essentially...
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6020299 |
Single phase cleaning fluid
Disclosed is a single phase mixture of about 1 to about 99 wt % of a compound having the general formula ##STR1## where "n" is 1 or 2 and about 0.1 to about 99 wt % of a liquid which can be a...
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5989456 |
Solvent composition
A solvent composition comprising dichloropentafluoropropane and (perfluorobutyl) methyl ether, wherein the ratios of the dichloropentafluoropropane and the (perfluorobutyl) methyl ether in the...
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5968882 |
Mixed solvent composition, and cleaning method and cleaning apparatus using the same
Disclosed herein is a nonflammable mixed solvent composition comprising a completely fluorinated organic compound and a partially fluorinated organic compound as essential components, wherein the...
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5948174 |
Hydrofluorocarbon-containing compositions and method for removing water from a solid surface
Compositions comprising a C 3 -C 10 hydrofluorocarbon, a cosolvent and a surface-active agent comprising at least one imidazoline, which can be used for removing water from a solid surface.
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5938859 |
Molecular level cleaning of contaminants from parts utilizing an environmentally safe solvent
The invention provides a solvent mixture including n-propyl bromide, a mixture of low boiling solvents and, preferably, a defluxing and/or ionics removing additive and/or at least one saturated...
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5916858 |
Liquid and method to clean metal masks for surface mounting technology
A method for washing metal masks using a cleaning liquid includes the steps of washing the metal masks before a solder printing process on printed circuit boards, washing the metal masks at least...
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5897809 |
Decafluoropentane compositions
Azeotropic or azeotrope-like compositions comprising effective amounts of 1,1,1,2,3,4,4,5,5,5-decafluoropentane and cyclohexane or 1,1,1,2,3,4,4,5,5,5-decafluoropentane, cyclohexane and acetone to...
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5895793 |
Fluorine-containing hydrocarbon composition
A fluorine-containing hydrocarbon composition comprising the following (1) and (2), wherein the proportions of (1) and (2) in the composition are such that (1) is 100 parts by weight, and (2) is...
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5885366 |
Method for washing oily soil from objects
A washing method for removing oily soil from an object stained therewith by contacting the object with a non-flammable washing agent composition comprising 0.001 to 30 parts of a fluorine-free...
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5868799 |
Surfactants and drying and drycleaning compositions which utilize said surfactants
Novel surfactants and drying, drycleaning and soil repellency compositions containing such surfactants which utilize such surfactants. The surfactants are fluorine containing quaternary ammonium...
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5863884 |
Silicone and adhesive removal composition
A composition as a strong surfactant such as a fluorosurfactant for breaking down the adhesive bond and removing cured silicone and other adhesives. The fluorosurfactant demonstrates improved...
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5858953 |
Stabilized 1-bromopropane composition
A 1-bromopropane composition is disclosed, which stays stable even under the condition that it is repeatedly used at high temperatures over an extended period of time as in vapor degreasing. The...
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5851435 |
Cleaning composition containing benzotrifluoride
Disclosed is a cleaning composition of about 80 to about 99 wt % benzotrifluoride, about 1 to about 20 wt % monohydric alkanol from C 1 to C 4 , and up to about 20 wt % of a fluorocarbon having...
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5851436 |
Nonafluoromethoxybutane compositions
Compositions of nonafluoromethoxybutane and cyclopentane, nonafluoromethoxybutane and cyclohexane; nonafluoromethoxybutane, cyclopentane and acetone, nonafluoromethoxybutane, cyclohexane and...
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5851977 |
Nonflammable organic solvent compositions
Describes nonflammable organic solvent compositions comprising 1,2-dichloroethylene and a halocarbon different than 1,2-dichloroethylene. The 1,2-dichloroethylene consists essentially of...
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5827454 |
Mixed solvent composition
A mixed solvent composition, for cleaning electronic components, which consists essentially of dichloropentafluoropropane and 1,1,1,2,3,4,4,5,5,5-decafluoropentane.
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5824634 |
Cleaning compositions with decafluoropentane and acetone
Cleaning compositions comprising an acyclic aliphatic hydrofluorocarbon represented by the formula: C x H y F 2x +2-y where x equals 4, 5 or 6, y equals 1, 2 or 3 with the proviso that when x...
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5824162 |
Molecular level cleaning of contaminates from parts utilizing an environmentally safe solvent
The present invention provides a solvent mixture comprising n-propyl bromide, a mixture of terpenes and a mixture of low boiling solvents, and a method for cleaning an article (e.g., an electrical,...
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5801136 |
Stabilized solvents and method for cleaning metallic, electrical and plastic substrates utilizing environmentally safe solvent materials
A stabilized, environmentally-safe solvent mixture and method for using the mixture are provided. The solvent mixture has an ozone depletion factor of less than 0.08. The mixture includes about...
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5759985 |
Compositions for the stabilization of bromochloromethane
A combination of stabilizers and bromochloromethane are used as a cleaning composition in which the bromochloromethane is stabilized against decomposition and the release of bromine into the...
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5756002 |
Cleaning solvents containing benzotrifluoride and fluorinated compounds
A cleaning solvent comprising (A) about 3 to about 20 wt % of a fluorinated compound selected from the group consisting of (1) fluorocarbons having the general formula C m H n F 2m +2-n ...
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5750488 |
Fluorinated cleaning solvents
Cleaning compositions contain one or more fluorinated chemical and one or more acetal. The cleaning compositions have good volatility, low flammability, low toxicity, good cleaning ability, and do...
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5744436 |
Azeotropic compositions containing perfluorinated cycloaminoether
An azeotropic composition includes a perfluorinated cycloaminoether and an organic solvent.
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5707954 |
Stabilized brominated alkane solvent
A stabilized solvent composition which is comprised of: a solvent portion which includes at least 90 wt % n-propyl bromide; and a 1,4-dioxane-free stabilizer system which includes...
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5683978 |
Saturated linear polyfluorohydrocarbons in cleaning compositions
The compounds CF 3 CHFCHFCF 2 CF 3 , CF 3 CH 2 CHFCF 2 CF 3 , CF 3 CHFCH 2 CF 2 CF 3 , CF 3 CHFCHFCF 2 CF 2 CF 3 , CF 3 CH 2 CHFCF 2 CF 2 CF 3 , CF 3 CHFCH 2 CF 2 CF 2 CF 3 , CF...
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5679632 |
Movie film cleaning solvent comprising n-propylbromide
This invention relates to a solvent system and process for cleaning cellulose triacetate polymer camera film. The solvent system comprises n-propyl bromide and a mix of an alkyl bromide in which...
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5674825 |
Difluoromethoxy-2,2,2-trifluoroethane compositions and methods of use
The present invention relates to new uses of difluoromethoxy-2,2,2-trifluoroethane (E245) or of compositions which contain difluoromethoxy-2,2,2-trifluoroethane together with a further solvent...
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5667594 |
Cleaning method with solvent
A cleaning solvent composition that is made by either blending aliphatic fluorohydrocarbon as expressed by the general formula C n F m H 2n +2-m (wherein, n and m are a positive integral...
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5665266 |
Azeotropic and azeotrope-like compositions with HCL and halocarbon
The present invention discloses azeotropic or azeotrope-like compositions which include HCl that can be employed in a distillation or an extractive distillation process for separating HCl from...
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5654263 |
Ternary mixtures of solvents and their use for removing oily substances
Ternary mixtures, particularly suitable for removing oily substances having both an hyrogenated and fluorinated or mixed basis, essentially consisting of: (a) water; (b) terbutanol; (c) a...
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5648017 |
Azeotropic and azeotrope-like compositions of 1,1,2,2-tetrafluoroethane and (iso) butane
The azeotropic compositions of 1,1,2,2-tetrafluoroethane and 1,1-difluoroethane and the azeotropic and azeotropic-like composition of 1,1,2,2-tetrafluoroethane and one of,...
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5648325 |
Mixed solvent composition with 1-H-perfluorohexane, methanol or ethanol, and optionally a hydrocarbon
An azeotropic composition consisting of 89.2 wt % of 1,1,1,2,2,3,3,4,4,5,5,6,6-tridecafluorohexane and 10.8 wt % of methanol and an azeotropic composition consisting of 91.1 wt % of...
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5635098 |
Azeotropic and azeotrope-like compositions of a hexafluoropropane and C5 hydrocarbon
This invention relates to compositions that include at least one hydrocarbon and at least one fluorinated species. Such compositions may be used as refrigerants, cleaning agents, expansion agents...
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5632928 |
Azeotrope (like) compositions with octafluorobutane, optionally chlorinated, and either perfluorodimethylcyclobutane or perfluorohexane
Azeotrope and azeotropic-like compositions of the following are provided: (a) Chlorotetrafluorethane with an effective amount of polybutene; (b) Chlorohexafluoropane with an effective amount...
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5624596 |
Composition with pentafluoroethane, difuoromethane, and a C4-C9 hydrocarbon
This invention relates to compositions that include at least one hydrocarbon and at least one fluorinated species. Such compositions may be used as refrigerants, cleaning agents, expansion agents...
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5607912 |
Hydrochlorofluorocarbon azeotropic or azeotropic-like mixture
A hydrochlorofluorocarbon azeotropic or azeotropic-like mixture comprising at least one member selected from the group consisting of hydrogen-containing fluoropropanes of the formula I: CH a Cl...
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