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| Number | Title | Issue Date |
| 7361792 | Process and catalyst for producing hydroperoxides A process and catalyst for preparing organic hydroperoxides by oxidizing hydrocarbon compounds in the presence of an oxygen-containing gas and a catalyst containing a transition metal on a solid support. ... | 04/22/2008 |
| 7335798 | Method of producing cumene hydroperoxide The specification provides a method of producing cumene hydroperoxide by continuous aqueous-emulsion oxidation at a high temperature and pressure in a cascade of reactors, wherein the process is conducted in the presence of a mixture of an aqueous solution of an amm... | 02/26/2008 |
| 7335797 | Process for the synthesis of cumene hydroperoxide This invention refers to a process for the synthesis of cumene hydroperoxide and to the product thus obtained. More in particular, this invention refers to a process for the production of cumene hydroperoxide by oxidating cumene with oxygen, where this proces... | 02/26/2008 |
| 7102035 | Removal of dialkyl ethers from dialkyl peroxides A process is disclosed for reducing the concentration of a dialkyl ether in a mixture comprising the dialkyl ether and a dialkyl peroxide wherein the process comprises treating said mixture with a strong acid. ... | 09/05/2006 |
| 6956137 | Singlet oxygen oxidation of organic substrates The invention relates to a method for oxidizing organic substrates using 1O2 in which hydrophobic organic substrates that react with 1O2 are added to an organic solvent in the presence of a heterogeneous or homogeneous cat... | 10/18/2005 |
| 6956136 | Method of producing cumene hydroperoxide The specification provides a method of producing cumene hydroperoxide by continuous aqueous-emulsion oxidation at a high temperature and pressure in a cascade of reactors, wherein the process is conducted in the presence of a mixture of an aqueous solution of an amm... | 10/18/2005 |
| 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 |
| 6700024 | Process for preparing organic hydroperoxides A process for preparing organic hydroperoxides, which process comprises: (a) oxidation of an organic compound to obtain reaction product containing organic hydroperoxide, (b) contacting at least part of the organic hydroperoxide containing reaction pro... | 03/02/2004 |
| 6610768 | Cross-linking compositions This application relates to compositions of cross-linking peroxides which have excellent storage stability, without exudation of peroxide taking place, which contain the organic peroxide in a high concentration, and which are easily blendable with a rubbe... | 08/26/2003 |
| 6515088 | "Living" free radical polymerization process A new class of "living" free radical initiators that are based on alkylperoxydiarylborane and its derivatives and that may be represented by the general formula. R--[O--O--B--$c;1 (--$c;2)]n wherein n is from 1 to 4, R is... | 02/04/2003 |
| 6486360 | Singlet oxygen oxidation of organic substrates The invention relates to a method for oxidizing organic substrate by using 1 O2. According to the inventive method, organic substrates that react with 1 O2 are mixed with 30-70% H2 O2 in water, ... | 11/26/2002 |
| 6420502 | Living free radical initiators based on alkylperoxydiarylborane derivatives and living free radical polymerization process A new class of "living" free radical initiators that are based on alkylperoxydiarylborane and its derivatives and that may be represented by the general formula. R--[O--O--B-$c;1 (-$c;2)]n wherein n is from 1 to 4, R is a... | 07/16/2002 |
| 6399836 | Preparation of di-tertiary-peroxides A process for the di-tertiary-peroxide synthesis, wherein the condensation reaction between a tertiary hydroperoxide and a tertiary alcohol is carried out in the presence of an acid catalyst, constituted by a compound having a mono-sulphonated aromatic ri... | 06/04/2002 |
| 6294689 | Methods for removing catalyst after oxidation of hydrocarbons This invention relates to oxidative methods for controlling the oxidation of a class of compounds, including hydrocarbons, such as cyclohexane for example, alcohols, such as cyclohexanol for example, ketones, such as cyclohexanone for example, and peroxid... | 09/25/2001 |
| 6225510 | Preparation of di-t-alkyl peroxides and t-alkyl hydroperoxides from n-alkyl ethers A process for production of a t-alkyl peroxide compound includes the steps of: a) reacting an n-alkyl t-alkyl ether with a reactant mixture comprising an acid catalyst and a compound of the formula RO2 H (I) where R is H or t-alkyl, provided that ... | 05/01/2001 |
| 6143927 | Methods for removing catalyst after oxidation of hydrocarbons This invention relates to methods for controlling the oxidation of hydrocarbons to intermediate oxidation products, such as adipic acid for example, by removing the catalyst from the reaction mixture, outside the reaction zone, after the oxidation has tak... | 11/07/2000 |
| 6054625 | Heteropolyacids as catalysts for a synthesis of ketone peroxides The process of preparing geminal dihydroperoxy alkyl peroxides and 1,1-dihydroperoxydialkyl peroxides, which comprises reacting an aqueous composition comprising a ketone with hydrogen peroxide in the presence of a heteropolyacid.... | 04/25/2000 |
| 6034280 | Process for the production of 2,5-dimethyl-2,5-di-t-butylperoxy-hexane 2,5-dimethyl-2,5-di-t-butylperoxy-hexane is produced by reacting 2,5-dimethyl-1,5-hexadiene with t-butylhydroperoxide under acid catalysis in the presence of an electron pair acceptor Lewis acid in a substantially anhydrous solvent. If one uses technical ... | 03/07/2000 |
| 5914013 | Selective thermal and photooxidation of hydrocarbons in zeolites by oxygen A process for selective thermal oxidation or photooxidation of hydrocarbons adsorbed onto zeolite matrices. A highly selective thermal oxidation and photooxidation of unsubstituted or alkyl substituted alkanes, alkenes, aromatics and cycloalkyls in solven... | 06/22/1999 |
| 5703245 | Process for reducing water and polar impurities in imido-alkanpercarboxylic acids Process for reducing the content of water in imido-alkanpercarboxylic acids comprising heating a suspension of imido-alkanpercarboxylc acid in water up to the complete solid melting and subsequent separation of the organic phase from the aqueous phase and... | 12/30/1997 |
| 5703242 | Preparation of solutions of imido-alkancarboxylic acids suitable for peroxidation processes Purification process of imido-alkancaboxylic acids from contaminants represented by acid-carboxylic, lactam or aminoacids and water comprising: A) Preparation of the imido-alkancarboxylic acid precursor by reaction of an anhydride a1) or the corresponding acid... | 12/30/1997 |
| 5489699 | Unsaturated peroxide compositions, polymeric-peroxides derived therefrom and their uses Novel unsaturated peroxide compositions of Structure A, R--Q--X--R1 A [Where the R--Q-- grouping contains a polymerizable carbon-carbon double bond, --X-- is a direct bond or a connecting diradical and --R1 | 02/06/1996 |
| 5488179 | Ditertiary butyl peroxide preparation from tertiary butyl hydroperoxide Disclosed is a method of selective preparation of ditertiary butyl peroxide from tertiary butyl hydroperoxide and t-butanol which comprises reacting said tertiary butyl hydroperoxide and t-butanol over a Beta-zeolite catalyst under hydroperoxide conversio... | 01/30/1996 |
| 5488178 | Ditertiary butyl peroxide preparation from tertiary butyl hydroperoxide Disclosed is a method of selective preparation of ditertiary butyl peroxide from tertiary butyl hydroperoxide and t-butanol which comprises reacting said tertiary butyl hydroperoxide and t-butanol over a solid acid catalyst selected from: a) an acidic mon... | 01/30/1996 |
| 5488176 | Preparation 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 |
| 5487818 | Process for separating phthalimido-peroxycaproic acid from solutions in organic solvents A process for separating phthalimido-peroxycaproic acid (PAP) from solutions in organic solvents, wherein the organic solvents have a solubility in water equal to or lower to 10% by weight, is provided. The process employs the following steps: (a) dispers... | 01/30/1996 |
| 5453548 | Purification of ditertiary butyl peroxide A process for the separation of ditertiary butyl peroxide form tertiary butanol is provided which includes the step of dehydrating the tertiary butanol to isobutylene and water.... | 09/26/1995 |
| 5420357 | Preparation of dialkyl peroxides The present invention provides a process for the production of dialkyl peroxides by reaction of an alcohol and/or an olefin with an organic hydroperoxide, using a solid acidic zeolite catalyst.... | 05/30/1995 |
| 5371298 | Preparation of dialkyl peroxides The present invention provides a process the production of dialkyl peroxides by reaction of an alcohol and/or an olefin with an organic hydroperoxide, using an acidic resin catalyst, especially a highly cross-linked hydrophobic acidic resin catalyst.... | 12/06/1994 |
| 5345009 | Conjoint production of ditertiary butyl peroxide and tertiary butyl alcohol from tertiary butyl hydroperoxide A method for conjointly preparing tertiary butyl alcohol and ditertiary butyl peroxide wherein a solution of a tertiary butyl hydroperoxide feedstock in tertiary butyl alcohol is charged to a hydroperoxide decomposition reaction zone containing a catalyti... | 09/06/1994 |
| 5319146 | Alkyl peroxides and uses The invention relates to a compound having the Formula (I) ##STR1## in which n=1, 2, 3 or 4 and m=1, 2, 3, 4, 5, 6, 7 or 8. The invention also relates to a method for the preparation of the above-described compound by bringing a cycloalkyl hydroperox... | 06/07/1994 |
| 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 |
| 5312998 | Integrated process for the production of ditertiary butyl peroxide An integrate process is provided for the production of ditertiary butyl peroxide wherein isobutane oxidate containing tertiary butyl alcohol and tertiary butyl hydroperoxide is reacted in the presence of an aqueous acidic catalyst, the reaction mixture is... | 05/17/1994 |
| 5288919 | Preparation of dialkyl peroxides The present invention provides a process for the production of dialkyl peroxides by reaction of an alcohol and/or an olefin with an organic hydroperoxide, using an inorganic heteropoly and/or isopoly acid catalyst.... | 02/22/1994 |
| 5276202 | Organic 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 |
| 5270271 | Initiator suspensions, their preparation and use A process for the preparation of an aqueous suspension of a solid free-radical forming initiator, a plant for the preparation, an initiator suspension and use of the suspension in polymerization of ethylenically unsaturated monomers. The process for the p... | 12/14/1993 |
| 5245084 | Mixture 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 |
| 5154912 | O17 isotopic peroxides The peroxides which include the O17 isotope, especially the hydrogen peroxides and peroxides and hydroperoxides prepared therefrom, are well adapted as nonradioactive labeled compounds for use in the medicinal and biological arts.... | 10/13/1992 |
| 5149883 | Preparation of aliphatic dihydroperoxides This invention relates to an improved process for preparing dihydroperoxyalkanes and, particularly, dimethyldihydroperoxyhexane. The improvement resides in utilizing a tetrahydrofuran derivative which is a liquid as a feedstock. This feedstock then is rea... | 09/22/1992 |
| 5104910 | Combustion-modified polyurethane foam Described herein is an isocyanate-reactive compound containing at least one linkage of the formula: --X--X-- wherein X is independently in each occurrence --NR--, --S--, or --O--; R is independently in each occurrence hydrogen, C1-10 alkyl, aryl, or... | 04/14/1992 |
