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Class 570/110 - Acyclic nitro containing preservative or stabilizer


Subclass of Class 570 - Organic compounds -- part of the class 532-570 series
Definition: Composition wherein the preservative or stabilizer contains
No. of patents: 32
Last issue date: 10/30/2007


NumberTitleIssue Date
7288211Hydrofluorocarbon blown foam and method for preparation thereof
The invention relates to the addition of α-methyl styrene, isobutanol and/or isopropanol to reduce vapor pressure, improve k-factor, enhance the solubility of the blowing agent in the premix and/or improve the processing characteristics of polyurethane and polyisoc...
10/30/2007
6350395Stabilizer composition
A stabilizer composition comprising a) an N-alkyl morpholine and b) a straight-chain or cyclic aliphatic amine containing no hetroatoms other than N with a boiling point of at least 150° C. The stabilizer composition is useful for stabilizing a halogenat...
02/26/2002
5959165Method and composition for inhibiting decomposition of 1,1,1,2,3,3-hexafluoropropane and 1,1,1,3,3-pentafluoropropane
(1) At least one nitro compound and (2) at least one member selected from the group consisting of an aromatic hydrocarbon and an alicyclic unsaturated hydrocarbon are added to 1,1,1,2,3,3-hexafluoropropane (HFC236ea) or 1,1,1,3,3-pentafluoropropane (HFC24...
09/28/1999
5928431Composition based on stabilized methylene chloride which can be used for degreasing metals
The invention relates to a composition based on stabilized methylene chloride composed essentially of at least one 1,2-epoxyalkane and of at least one acetal, and preferably no nitroalkane. The composition according to the invention can be used for degreasing,...
07/27/1999
5739090Composition based on stabilized methylene chloride which can be used for degreasing metals
The invention relates to a composition based on stabilized methylene chloride composed essentially of at least one 1,2-epoxyalkane and of at least one acetal, and no nitroalkane. The composition according to the invention can be used for degreasing, clean...
04/14/1998
5696306Decomposition inhibitor for hydrogen- and fluorine-containing halogenated hydrocarbons and method of inhibiting decomposition using same
A decomposition inhibitor for hydrochlorofluorocarbons and hydrofluorocarbons (HCFCs/HFCs) which comprises at least one member of the class consisting of organic acid-amine mixtures, fluorine-free halogenated hydrocarbons, carboxylic acid esters, nitrile ...
12/09/1997
5124503Dichlorotrifluoroethane stabilized to minimize hydrolysis thereof
The present invention provides stabilized compositions comprising dichlorotrifluoroethane and effective stabilizing amounts of alkanol having 4 or 5 carbon atoms, nitroalkane having 1 to 3 carbon atoms, and a third component of 1,2-epoxyalkane having 2 to...
06/23/1992
4992604Stabilized 1,1,1-trichloroethane compositions
1,1,1-Trichloroethane (viz., methylchloroform) is stabilized with from about 2 to about 4 percent by weight 1,3-dioxolane, from about 0.25 to about 0.5 percent by weight butylene oxide, from about 0.25 to about 2 percent by weight nitromethane, from about...
02/12/1991
4956017Non-volatile 1,1,1-trichloroethane inhibitors
A solvent, 1,1,1-trichloroethane, is stabilized against corrosion by the addition of a non-volatile polyether or complex polyether having an average molecular weight of from about 550 to about 8500. A painting formulation is prepared using the stabilized ...
09/11/1990
4861926Stabilized 1,1,1-trichloroethane compositions
Stabilized 1,1,1-trichloroethane compositions containing an epoxide compound such as epoxybutane, a nitro compound such as nitromethane, a furan compound such as 2-methylfuran, and methyl acetate. These compositions are suitable for the degreasing of meta...
08/29/1989
4795837Stabilized compositions of 1,1,1-trichloroethane
A stabilized composition of 1,1,1-trichloroethane comprising an epoxide compound, a nitro compound, and a furan compound....
01/03/1989
4783560Stabilized compositions of 1,1,1-trichloroethane
Stabilized compositions of 1,1,1-trichloroethane containing a mixture of two dialkoxyalkanes such as dimethoxymethane and 1,2-dimethoxyethane and at least one acid acceptor such as epoxybutane, and, if appropriate, a nitrated derivative such as nitrometha...
11/08/1988
4608448Process for producing 2,5-dichloro-p-xylene
Reaction of ferric chloride with 2-chloro-p-xylene yields dichloro-p-xylene having a high ratio of 2,5-dichloro-p-xylene isomer to 2,3-dichloro-p-xylene isomer....
08/26/1986
4597890Solvent blend for removing flux residues
Stable methylchloroform solvent compositions in combination with from about 3 to about 5 volume percent of 2-butanol and from about 1 to about 3 volume percent of 3-methyl-1-butyn-3-ol have been shown to be superior solvents for removing flux from circuit...
07/01/1986
4394284Stabilized methylchloroform composition
A nitroalkane-free inhibitor system for methylchloroform has been formulated which contains dioxane, an alkylene oxide, and 3-butyn-1-ol. The stabilizer amounts to about 4 to 6% by volume of the stabilized methylchloroform composition. The stabilized comp...
07/19/1983
4378303Azeotropic solvent composition
An azeotropic solvent composition comprising about 64.6 to 89.0% by weight of tetrachlorodifluoroethane, about 3.7 to 34.2% by weight of an alcohol having carbon atoms of 1 to 5 and about 1.2 to 7.3% by weight of nitroethane....
03/29/1983
4356038Stabilization of chlorinated aliphatic hydrocarbons and use of stabilized composition in cleaning articles
A solvent composition for cleaning metal and other articles which comprises 1,1,1-trichloroethane having dissolved therein a stabilizing amount of a mixture of stabilizing components comprising (i) tertiary butanol (ii) nitromethane and (iii) 1-or 2-nitro...
10/26/1982
4327232Cyclopropane ring-containing compounds as inhibitor components in methylchloroform
A stabilized methylchloroform solvent useful in degreasing operations in which the alkylene oxide stabilizer component normally employed is replaced by a tricyclic or quadricyclic compound containing a fused cyclopropane ring....
04/27/1982
4324757Halogenated hydrocarbons inhibited against denickelification with lower alkylcyanide compounds
Metal alloys containing nickel are protected from denickelification upon exposure to halogenated hydrocarbons at elevated temperatures by the addition of a lower alkylcyanide in minor proportions to the halogenated hydrocarbon....
04/13/1982
4231968Stabilization of 1,1,1-trichloroethane
Addition of 0.2-2 weight % of 2-methyl-2,3-epoxypropanol-(1), and preferably also 0.2-2% of methyl tert-butyl ether, produces highly stabilized 1,1,1-trichloroethane....
11/04/1980
4189397Stabilization of 1,1,1-trichloroethane compositions against metal-induced decomposition with a polyalkylene glycol monoalkyl ether
1,1,1-trichloroethane is stabilised against metal-induced decomposition by incorporating a polyalkylene glycol monoalkyl ether....
02/19/1980
4152359Stabilized 1,1,1-trichloroethane
A stabilized 1,1,1-trichloroethane containing, as stabilizer, from 0.1% to 1% by weight of 2,3-epoxy-1-propanol, 1% to 3% by weight of 1,4-dioxane, and 0.1% to 0.5% by weight of butylene 1,2-oxide....
05/01/1979
4115461Stabilized 1,1,1-trichloroethane composition
1,1,1-Trichloroethane is stabilized for use as a replacement for trichloroethylene in vapor degreasing applications by employing from about 3.6 to about 7.6 volume percent based on the total composition of the following components in 1,1,1-trichloroethane...
09/19/1978
4069265Stabilization of 1,1,1-trichloroethane with a four component system
A stabilized 1,1,1-trichloroethane composition containing, as stabilizer therefor, a mixture consisting of a nitrile, 1,4-dioxane, and nitromethane....
01/17/1978
4018837Stabilized methylchloroform
A stable 1,1,1-trichloroethane composition containing 1,1,1-trichloroethane and, as the essential acid acceptor, 0.25 to 1 weight percent of a C4-8 monoepoxide, epichlorohydrin or a mixture of such epoxides and, as the essential stabilizer agai...
04/19/1977
4016215Stabilization of 1,1,1-trichloroethane
1,1,1-TRICHLOROETHANE IS STABILIZED AGAINST DECOMPOSITION INITIATED BY CONTACT WITH IRON BY THE USE OF A COMBINATION OF STYRENE OXIDE, PHENYL GLYCIDYL ETHER OR MIXTURES THEREOF WITH A SECOND CONVENTIONAL STABILIZER OF AN ALCOHOL, A NITRO COMPOUND OR A CYC...
04/05/1977
3989640Corrosion inhibitor composition
A combination of corrosion inhibitors which act synergistically to prevent corrosion in compositions containing a chlorinated hydrocarbon and a substantially large amount of water....
11/02/1976
3974230Stabilized 1,1,1-trichloroethane
1,1,1-trichloroethane containing as the essential metal stabilizers (1) from 3.5 to 6 volume percent of (a) a mixture of 3-methyl-1-butyn-3-ol ##EQU1## and tertiary amyl alcohol ##EQU2## wherein said 3-methyl-1-butyn-3-ol is present in at least ...
08/10/1976
3960746Azeotrope-like compositions of methanol, nitromethane and trichlorotrifluoroethane
Azeotrope-like compositions comprising from 5.0 to 6.3 weight percent of methanol, from 0.05 to 0.6 weight percent of nitromethane and from 93.1 to 94.95 weight percent of 1,1,2-trichloro-1,2,2-trifluoroethane, the compositions being useful for cleaning p...
06/01/1976
3959397Stabilization of 1,1,1-trichloroethane with a three component system
A stabilized 1,1,1-trichloroethane composition containing, as stabilizer therefor, a mixture consisting of a nitrile, 1,4-dioxane, and nitromethane....
05/25/1976
3957893Stabilization of methyl chloroform
The tendency for methyl chloroform to decompose in the presence of metals, particularly aluminum, is inhibited by a stabilizer mixture comprising an epoxide, a nitroalkane and either propylene glycol mono-methyl ether, dioxepane or a mixture thereof....
05/18/1976
3935287Stabilized methyl chloroform
The tendency for methyl chloroform to decompose in the presence of metals, particularly aluminum, is inhibited by a stabilizer mixture comprising an epoxide, a nitroalkane, trioxane and either propylene glycol mono-methyl ether, dioxepane or a mixture the...
01/27/1976
 
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