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Class 568/559 - With preservative or stabilizer


Subclass of Class 568 - Organic compounds -- part of the class 532-570 series
Definition: Products which contain the peroxy containing compound in
No. of patents: 34
Last issue date: 11/28/2006


NumberTitleIssue Date
7141702Process for the synthesis of α-substituted acroleins
The present invention provides an improved process for the synthesis of α-substituted acroleins from olefins by a tandem hydroformylation and Mannich reaction sequence in the presence of syngas and formaldehyde, wherein the two catalysts are segregated into two dif...
11/28/2006
7049474Water diluted cumene hydroperoxide solutions
The present invention provides for the use of water, rather than cumene, as a more environmentally acceptable diluent for purified cumene hydroperoxide (CHP) solutions. From 1 to about 6 weight percent water can be used to dilute purified CHP solutions, thus reducin...
05/23/2006
7005549Peracid precursors for antimicrobial use
This disclosure describes unique chemical structures for use as solid or concentrated chemical precursors to the production of peroxy acids when combined with hydrogen peroxide or a hydrogen peroxide precursor such as percarbonates or perborates. Peroxy acids (perac...
02/28/2006
6992225Organic peroxide heat stabilizer
The invention concerns a heat stabilizer of organic peroxides characterized in that it is an N-hetrocyclic compound which contains at least one nitroxyl radical with the N atom of the nitroxyl radical forming part of the ring. The invention also concerns a storage-s...
01/31/2006
6803436Transportable and safely packaged organic peroxide formulations comprising reactive phlegmatisers
The invention relates to a method to safely produce, handle and transport packaged organic peroxide formulations comprising a reactive phlegmatiser and to the use of such packaged material in polymerisation and polymer modification processes, particularly the high-p...
10/12/2004
6677466Method for stabilizing hydrogen peroxide
The invention relates to the use of one or more ଱-keto carboxylic acid esters and/or aldehyde carboxylic acid esters for stabilizing hydrogen peroxide during enzyme-catalyzed or metal-catalyzed oxidation reactions in organic synthesis, as well as fo...
01/13/2004
6291721Processes for the preparation of 2-arylvinyl alkyl ether and 1,4-diaryl-2-fluoro-2-butene compounds
An improved process for the preparation of 2-arylvinyl alkyl ether compounds of the structural formula I ##STR1## In addition, the present invention provides an improved process for the preparation of 1,4-diaryl-2-fluoro-2-butene compounds of the structur...
09/18/2001
5892128Temporarily inactivated benzoyl peroxide, processes for the production thereof, and the use thereof
Benzoyl peroxide is inactivated temporarily by compressing benzoyl peroxide desensitized by dimethyl phthalate to tablets....
04/06/1999
5852208Method of producing compounds containing acyloxyalkoxy groups from alcohols
A process of producing compounds containing an acyloxyalkoxy group from an alcohol consists of reacting the alcohol with a formaldehyde donor until a compound of the formula: R--O--CH2 (OCH2)X OR (V) is g...
12/22/1998
5654464Organic peroxide stabilization with cyclic ଱-diketone compounds
Organic peroxide compositions which contain a cyclic ଱-diketone compound to retard the rate of decomposition of the peroxide compound are disclosed....
08/05/1997
5488176Preparation of dialkyl peroxides
The present invention provides a process for the production of dialkyl peroxides by selective reaction of an alcohol and/or an olefin with a hydrogen peroxide at 70°-110° C. using an inorganic heteropoly and/or isopoly acid catalyst....
01/30/1996
5347055Oligomers of styrene as flegmatizers for organic peroxides
A flegmatizer, which is an oligomer of styrene or of styrene and at least one comonomer, is admixed with an organic peroxide to reduce the heat- and/or shock-sensitivity of the peroxide. The resulting composition can be employed to polymerize olefinic mon...
09/13/1994
5312997Surface-active pereoxides and their use
The present invention relates to surface-active peroxides which can be employed as emulsifying initiators for the preparation of low-electrolyte polymer dispersions having a low tendency to foam....
05/17/1994
5276202Organic peroxide compositions and process therefor
A substantially water-free, non-dusting and flowable composition comprising an organic peroxide, a hydrocarbyl phthalate, and at least one phlegmatization agent is provided wherein the phlegmatization agent is selected from the group consisting of a polye...
01/04/1994
5245084Mixture suited for crosslinking polymers and process for crosslinking polymers with extension of scorch time
The mixture consists of at least one organic peroxide, at least one hydroquinone derivative of the general formulae I and/or II and/or III ##STR1## wherein R and R1, which may be identical or different, stand for H or t-alkyl, and X stands...
09/14/1993
5202498Inhibiting color change in cumene hydroperoxide
Undesirable color change in freshly manufactured cumene hydroperoxide is inhibited by treatment comprising adding sodium hydroxide in an effective amount up to about 120 ppm and holding the treated cumene hydroperoxide at a temperature of about 50° C. to...
04/13/1993
4783278Concentrated liquid compositions containing a peroxygen compound
In general, inorganic or organic peroxyacids are unstable in the presence of a nonionic surfactant, so that it was not feasible to contemplate storing liquid compositions containing both components. It has now been discovered that storable compositions co...
11/08/1988
4734135Method for manufacture of aqueous suspension of solid organic peroxide
An aqueous suspension of a solid organic peroxide is produced by mixing a solid organic peroxide having a difference of at least 5° C. between the melting point and the thermal decomposition temperature thereof with a protective colloid, a surface active...
03/29/1988
4450302Peroxide blends
Disclosed are novel blends of peroxides that have melting points of about 5° C. and lower. The blends consist essentially of (1) t-butyl cumyl peroxide, (2) bis(଱-t-butylperoxyisopropyl)benzene, and (3) dicumyl peroxide....
05/22/1984
4403994Bleaching agents
The present invention relates to the provision in solid form of the magnesium salt of certain aromatic, cycloaliphatic or conjugated aliphatic compounds containing a peroxycarboxylic acid group and a carboxylate group, and optionally also an alkyl, carbox...
09/13/1983
4401835Method for preparing small sized benzoyl peroxide crystals
A method for the preparation of benzoyl peroxide in crystalline form, which crystals may range in size below 10 microns, comprises forming a first solution of the benzoyl peroxide in a precipitate promoting material, adding the first solution to a second ...
08/30/1983
4376218Organic peroxide compositions
A solid organic peroxide composition comprises from 50% to below 70% by weight of a solid organic peroxide, such as benzoyl peroxide, at least 10% preferably at least 15% of a liquid desensitizer such as a liquid ester of phthalic acid, benzoic acid or ph...
03/08/1983
4299718Process for preparing mixtures of peroxides
A process for preparing peroxidic mixtures, more particularly mixtures of ketone peroxides useful as polymerization initiators for unsaturated polyester resins, is disclosed. The process comprises in situ peroxidation of one or more ketone compounds with ...
11/10/1981
4297298Method of preparing stable dilute solutions of aliphatic carboxylic peracids, and the resulting solutions
The invention relates to the preparation of dilute solutions of aliphatic rboxylic peracids. In a first step, a concentrated solution of aliphatic peracid is prepared from the corresponding acid or anhydride and concentrated hydrogen peroxide in the prese...
10/27/1981
4287135Stabilized diperoxyalkanedioic acids and aromatic peroxycarboxylic acids
Diperoxyalkanedioic acids and aromatic peroxycarboxylic acids are prepared by reacting a dialkanoic acid or an aromatic carboxylic acid with hydrogen peroxide in sulfuric acid and then producing a desensitizing agent for the peracid in situ by adding alka...
09/01/1981
4255277Storage stable peroxide paste composition
A stable and non-separating catalyst paste comprising a diacyl peroxide; a minor proportion of water; a finely divided calcium carbonate in an amount sufficient to prevent the composition from physically separating into its components; the remainder, if a...
03/10/1981
4230889Desensitized solution of dihydroperoxycyclohexane
1,1-dihydroperoxycyclohexane is desensitized by dissolving it in water, an alcohol, an ester or ketoether. The solution can be handled safely. 1,1-dihydroperoxycyclohexane may be used as an initiator in polymerizing ethylenically unsaturated compounds....
10/28/1980
4219674Peroxide initiators
Mixtures active as initiators for radical polymerization reactions comprising (1) from 1 to 99% by weight of a substituted diphenyl ethane; and (2) from 99 to 1% by weight of an organic peroxide, and a process for desensitizing organic peroxides....
08/26/1980
4134850Bleaching composition
The present invention provides bleaching or detergent compositions containing a cycloaliphatic peroxyacid of general formula: ##STR1## WHEREIN O ࣘm ࣘ5, O ࣘn ࣘ5 and N+mࣙ 1, And mono or diethylenically unsaturated derivatives thereof, and processe...
01/16/1979
4129517Aqueous peroxy-containing concentrate
A stable aqueous peroxy-containing concentrate containing by weight of the concentrate 1 to 60 percent of perglutaric acid; 1 to 50 percent of hydrogen peroxide; 0.01 to 2 percent of a stabilizing agent for the perglutaric acid and hydrogen peroxide; and ...
12/12/1978
3986976Ketone peroxide compositions
Safe ketone peroxide compositions are provided utilizing a novel solvent system which boils smoothly over a wide range of temperatures....
10/19/1976
3956396Safe diacyl peroxide solution compositions
A safe peroxide solution composition consisting essentially of a diacyl peroxide having 1-5 carbon atoms in each aliphatic group and an aliphatic hydrocarbon, ketone, ester, ether, or alcohol characterized by a vapor pressure substantially that of the per...
05/11/1976
3945941Hazard reduction for bulk shipment quantities of aqueous tertiary butyl hydroperoxide
A minor amount of a radical trap, that is, an organic compound readily reacting with an organic radical, when combined with a polyolefin having a melt index of from about 0.2 to about 10, can be associated with 70 per cent tertiary butyl hydroperoxide (co...
03/23/1976
3932528Process for the separation of dihydroperoxides
Dihydroperoxides of dialkylaromatic hydrocarbons are separated in high yield from an aqueous alkaline solutions of hydroperoxides containing the dihydroperoxides by adding 0.01 to 1 % by weight of a compound having a nitrogen base, such as ammonia and aro...
01/13/1976
 
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