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| Number | Title | Issue Date |
| 7968753 | Method for the production of organic peroxides by means of a microreaction technique The invention provides a process for efficient and reliable preparation of organic peroxides, preferably dialkyl peroxides, peroxycarboxylic acids, peroxycarboxylic esters, diacyl peroxides, peroxycarbonate esters, peroxydicarbonates, ketone peroxides and perketals ... | 06/28/2011 |
| 7153888 | Stabilization of benzoyl peroxide in solution The stabilization of benzoyl peroxide for extended periods of time is disclosed. The stabilized solution contains from between 0.5% and 20% organic peroxide and a stabilizer for preventing degradation of said peroxide in the solution. ... | 12/26/2006 |
| 7087693 | Polymerization process involving diacyl peroxides The invention relates to a process to make and use specific diacyl peroxides in polymerization reactions. The peroxides are produced and used in a polymerization process within a short timeframe in order to overcome stability issues associated with them. ... | 08/08/2006 |
| 7053161 | Method for producing organic peroxides and their use in the radical polymerization of monomers A process for producing organic peroxide initiators useful in the polymerization of ethylenically unsaturated monomers. The process for making the organic peroxides includes forming an aqueous emulsion of the organic peroxide. The organic peroxide is dispersed as sm... | 05/30/2006 |
| 6911561 | Compositions including fluorinated peroxides, methods of making, and the use thereof Methods of making compositions including fluorinated peroxides are disclosed. The compositions are useful, for example, for reacting with organic compounds. In one embodiment, novel peroxides are provided. ... | 06/28/2005 |
| 6395937 | Synthesis of diacyl peroxide in carbon dioxide This invention relates to a process for the synthesis of diacyl peroxide by contacting acyl halide and peroxide complex in liquid or supercritical carbon dioxide.... | 05/28/2002 |
| 6187894 | Perfluoropolyether acylperoxides and process for their preparation Perfluoroether acylperoxides having an average equivalent weight in the range of 350-5000, and of the following formulae: Y'--(CF2 --CF(CF3)O)m --(CX'FO)n --CF2 CO--O--O--CO--CF2 --(OCX'F)n... | 02/13/2001 |
| 5962746 | Process for preparing peroxides A process for the faster manufacturing of hydrocarbon, fluorocarbon and chlorocarbon acyl peroxides is disclosed wherein a hydroxide, a peroxide and an acyl halide are reacted under continuous vigorous agitation conditions so as to bring the reaction to s... | 10/05/1999 |
| 5831131 | Process for preparing peroxides A process for the faster manufacturing of hydrocarbon, fluorocarbon and chlorocarbon acyl peroxides is disclosed wherein a hydroxide, a peroxide and an acyl halide are reacted under continuous vigorous agitation conditions so as to bring the reaction to s... | 11/03/1998 |
| 5654464 | Organic 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 |
| 5523466 | Diacylperoxide esters Disclosed is a diacylperoxide vinyl ester of the general formula I ##STR1## in which R is an alkylene residue which can be straight-chained, branched or cyclic and which can contain 2 to 10 C atoms or R is an aryl residue, suitable for copolymerizati... | 06/04/1996 |
| 5462692 | Stable solid acetylperoxyborate compounds Stable, solid acetyl peroxyborate compounds which are active oxygen-containing compounds derived from acetic acid and boron-oxygen compounds. The compounds of the invention have a peracetic acid content which can be liberated instantly and directly in wat... | 10/31/1995 |
| 5312997 | Surface-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 |
| 5258465 | Polymeric peroxide, polymerization initiator and method for production of block copolymer An ester type polymeric peroxide; has a peroxide group of the formula (I): ##STR1## a group of the formula (I') ##STR2## a group of the formula (II) ##STR3## wherein X stands for one member selected from the group consisting of --CH | 11/02/1993 |
| 5087738 | Multifunctional cyclobutarene peroxide polymerization initiators Multifunctional cyclobutarene peroxide polymerization initiators comprising at least one cyclobutarene moiety linked through the aromatic ring to at least one peroxide containing group which catalyze free radical polymerizations, as well as participate in... | 02/11/1992 |
| 5068454 | Polyfluoroalkanoyl peroxide A polyfluoroalkanoyl peroxide has the formula (I) ##STR1## wherein n1 and n2 each represent an integer of 0 to 8 and n1 plus n2 is 1 or larger.... | 11/26/1991 |
| 5034485 | Multifunctional cyclobutarene peroxide polymerization initiators Multifunctional cyclobutarene peroxide polymerization initiators comprising at least one cyclobutarene moiety linked through the aromatic ring to at least one peroxide containing group which catalyze free radical polymerizations, as well as participate in... | 07/23/1991 |
| 5012010 | T-ethyl-1,5-dimethylhexylperoxy acid esters A novel peracid ester represented by the general formula (I): ##STR1## is useful as a polymerization initiator for vinyl chloride monomer, a curing agent for unsaturated polyester resin or a crosslinking agent for polymers.... | 04/30/1991 |
| 4859800 | Phenoxyacetate peracid precursors A perhydrolysis system is provided which includes peroxyacid precursors and a source of peroxygen. Upon dissolution in water these compositions provide high yields of a novel peroxyacid having the structure ##STR1## where R is hydrogen or an alkyl of... | 08/22/1989 |
| 4803228 | Unsaturated aromatic peroxides and their use in pharmaceutical and cosmetic compositions A peroxide having an aromatic radical and an unsaturated group has the formula ##STR1## wherein R represents linear or branched, mono- or polyunsaturated alkenyl having 5 to 21 carbon atoms or cycloalkenyl having 5 to 10 carbon atoms, n is 1 or ... | 02/07/1989 |
| 4782189 | Process for the continuous preparation of lauroyl peroxide The invention provides an improvement for the continuous preparation of lauroyl peroxide in the absence of organic solvents from crude lauroyl chloride, aqueous sodium hydroxide solution and hydrogen peroxide by continuously adding the reaction components... | 11/01/1988 |
| 4634551 | Bleaching compounds and compositions comprising fatty peroxyacids salts thereof and precursors therefor having amide moieties in the fatty chain This invention relates to bleaching compounds and compositions that provide effective and efficient surface bleaching of textiles over a wide range of bleach solution temperatures. The bleaching compounds of the invention yield a peroxyacid with a polar a... | 01/06/1987 |
| 4552563 | Composition for the alkaline bleaching of textiles containing peroxyamine A composition for the alkaline bleaching of textiles during washing comprising a washing product and at least one peroxide derivative of the general formula: ##STR1## where R1, R2, R3, and R4 are hydrogen, ... | 11/12/1985 |
| 4520133 | Monohydroxy-benzoyl peroxide and compositions for treating acne Monohydroxy-benzoyl peroxide of the formula ##STR1## possesses both antibacterial and comedolytic activity and is useful in compositions for the treatment of acne.... | 05/28/1985 |
| 4403994 | Bleaching 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 |
| 4385008 | Bleaching agent 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... | 05/24/1983 |
| 4376218 | Organic 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 |
| 4337213 | Controlled crystallization diperoxyacid process Diperoxyacids are unstable compounds, and processes for their production have normally provided relatively low product throughputs per reactor vessel volume. The present invention is a method for making diperoxyacids in which formation of the diperoxyacid... | 06/29/1982 |
| 4304882 | Polymer from peroxy compounds containing acylating groups Polymers of the formula [(An.sbsb.1 -R-Dn.sbsb.2)v Pn.sbsb.3 ]w Zn.sbsb.4 where A is a peroxy-containing group; R is a 2-4 valent aliphatic, cycloaliphatic or aromatic radical; P is a polyv... | 12/08/1981 |
| 4299718 | Process 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 |
| 4279831 | 2-Chloro-2-alkyl substituted asymmetrical diacyl peroxides Dialkyl diacyl peroxides in which the alpha carbon atom of one of the alkyl groups is secondary and substituted by chloro and alkyl. The compounds are useful as polymerization initiators of ethylenically unsaturated monomers such as vinyl chloride.... | 07/21/1981 |
| 4155937 | Novel polymerization initiators Benzoyl peroxide compounds containing reactive substituents are used to initiate the formation of telechelic polymers.... | 05/22/1979 |
| 4154695 | Bleaching composition The invention provides bleaching and detergent compositions containing a diacyl peroxide of general formula ROOR1 in which R represents a phthaloyl radical and R1 a radical such that ROOR1, ROOR and R1 OOR1... | 05/15/1979 |
| 4151106 | Process for the preparation of uniform, stable diacyl peroxide composition A process for the preparation of uniform, stable diacyl peroxide compositions is disclosed. The process comprises reacting the corresponding acyl chloride with hydrogen peroxide in an alkaline aqueous medium in the presence of a desensitizing agent.... | 04/24/1979 |
| 4145505 | Cross-linkable organopolysiloxane compositions and a process for cross-linking organopolysiloxanes Cross-linkable organopolysiloxane compositions are disclosed, consisting essentially of an organopolysiloxane and bis(o-chlorobenzoyl)peroxide.... | 03/20/1979 |
| 4097536 | Preparation of a bleach The present invention provides a process for producing diphthaloyl peroxide comprising the steps of reacting particulate phthalic anhydride with aqueous hydrogen peroxide in a mobile slurry or paste and thereafter separating diphthaloyl peroxide from the ... | 06/27/1978 |
| 4093664 | Bis halogenated phenoxyalkanoates and the method of making same Compounds useful as plant growth regulators having the formula: ##STR1## WHEREIN X and X' are each halogens, R and R' are each alkyl groups containing from 1 to 4 carbon atoms and n and n' each have a value from 1 to 5. Method of preparing said compo... | 06/06/1978 |
| 4083877 | Preparation of a peroxide The present invention provides a process for making diphthaloyl peroxide by reacting phthalic anhydride with aqueous hydrogen peroxide at a pH controlled to between pH 8 and 10, preferably pH 8.8 to 9.2 and a low temperature preferably maintained at 0° t... | 04/11/1978 |
| 3986974 | Aroyl-N-hydroxyformimidoyl halides as bleach activators Aroyl-N-hydroxyformimidoyl halides of the formula: ##EQU1## wherein Ar represents a substituted or unsubstituted aryl radical and X is halogen, are bleach activators of high strength and good activity at low temperatures in peroxygen salt bleach comp... | 10/19/1976 |
| 3986971 | 2,4-Diisocyanato-6-halo-s-triazines as peroxygen bleach activators Diisocyanate halotriazine compounds of the formula: ##SPC1## Wherein X is a halogen atom are bleach activators which have high bleaching activity at low temperatures in peroxygen salt bleach compositions and do not appreciably change the shade of cotton d... | 10/19/1976 |
