Hexion Inc.

Momentive Specialty Chemicals Inc.

Evonik Degussa Gmbh

Hexion Research Belgium Sa

Prasad Muppa

Ron Postma

Caspar Schoolderman

Bart Van Den Berg

Holger Wiederhold

Stefan Bernhardt

Mark Kapellen

Sandra Rens

Kostas Stoitsas

Hans Rausch

Jörg Schallenberg

Juergen Stock

Jürgen Stock

Paul Haesakkers

Jorg Schallenberg

Sandra Rens Van Der Lee

Hans-Martin Rausch

Bart B Van Den Berg

Caspa Schoolderman

Kostas Stoisas

The invention relates to a process for the manufacture of epichlorohydrin ('ECH')

Process for the manufacture of epichlorohydrin

The invention relates to a process for the manufacture of a 1,2-epoxide by catalytic oxidation of a terminal olefin with hydrogen peroxide wherein the catalytic oxidation is performed in a biphasic system comprising an organic phase and an aqueous reaction medium, wherein a water-soluble manganese complex is used as oxidation catalyst, wherein a terminal olefin is used with a solubility at 20&#xb0; C. of at least 0.01 to 100 g in 1 liter water, and wherein the molar ratio of terminal olefin to hydrogen peroxide is in the range of from 1:0.1 to 1:2.

Process for the manufacture of a 1,2-epoxide

The invention relates to a process for the manufacture of an epoxyethyl carboxylate or glycidyl carboxylate, including reacting a vinyl carboxylate or an allyl carboxylate using an oxidant and a water-soluble manganese complex in an aqueous reaction medium, and the water-soluble manganese complex comprises an oxidation catalyst, characterized in that the water-soluble manganese complex is a mononuclear species of the general formula (I) [LMnX]Y (I), or a binuclear species of the general formula (II): [LMn(&#x3bc;-X)MnL]Y(II), wherein Mn is a manganese; L is a ligand and each L is independently a polydentate ligand, each X is independently a coordinating species and each &#x3bc;-X is independently a bridging coordinating species, Y is a non-coordinating counter ion, and wherein the epoxidation is carried out at a pH in the range of from 1.0 to 7.0.

Manufacture of an epoxyethyl carboxylate or glycidyl carboxylate

Processes are provided for the formation of an epoxyethyl ether or a glycidyl ether. In one embodiment, a process is provided for the manufacture of an epoxyethyl ether or glycidyl ether including reacting a vinyl ether or an allyl ether with an oxidant in the presence of a water-soluble manganese complex in an aqueous reaction medium, wherein the water-soluble manganese complex comprises an oxidation catalyst, characterized in that the water-soluble manganese complex is a mononuclear complex of the general formula (I): [LMnX]Y (I), or a binuclear complex of the general formula (II): [LMn(&#x3bc;-X)MnL](Y)(II), wherein Mn is a manganese; L or each L independently is a polydentate ligand, each X independently is a coordinating species and each &#x3bc;-X independently is a bridging coordinating species, Y is a non-coordinating counter ion, and wherein the epoxidation is carried out at a pH in the range of fromto. The invention also relates to epoxyethyl ethers.

Manufacture of an epoxyethyl ethers or glycidyl ethers

Apparatus and processes are provided for forming epoxide compounds. In one embodiment, a process for the manufacture of an epoxide is provided including adding an oxidant, a water-soluble manganese complex and a terminal olefin to form a multiphasic reaction mixture, reacting the terminal olefin with the oxidant in the multiphasic reaction mixture having at least one organic phase in the presence of the water-soluble manganese complex, separating the reaction mixture into the at least one organic phase and an aqueous phase, and reusing at least part of the aqueous phase. The invention is also related to a device for performing the above process.

Process for the manufacture of a 1,2-epoxide and a device for carrying out said process

Apparatus and methods are provided for forming and processing multiphasic systems. In one embodiment, the invention provides a process for the manufacture of an epoxide, including reacting an olefinically unsaturated compound with an oxidant in the presence of a buffer component and a water-soluble manganese complex disposed in an aqueous phase having a first pH level in a first multiphasic system, adjusting the pH of the aqueous phase to a second pH level less than the first pH level, isolating at least a portion of the aqueous phase from the first multiphasic system, adjusting the pH of the at least a portion of the aqueous phase to a third pH level greater than the second pH level, and introducing the at least a portion of the aqueous phase into a second multiphasic system.

Apparatus and methods to preserve catalyst activity in an epoxidation process

Processes and compositions are provided for epoxidizing an olefinically unsaturated compound. In one embodiment, a process is provided for reacting an olefinically unsaturated compound with an oxidant in the presence of a catalyst at acidic conditions, wherein the catalyst is activated prior to the reaction at a pH that is higher than the pH during the reaction.

Epoxidation process

A process for the manufacture of propylene oxide ('PO') by catalytic oxidation of propylene with an oxidant wherein the catalytic oxidation is performed in an aqueous reaction medium, comprising water with less than 10% by volume of cosolvents, wherein a water-soluble manganese complex is used as oxidation catalyst, characterized in that the water-soluble manganese complex is a mononuclear species of the general formula (I):[LMnX]Y &#x2003;&#x2003;(I)or a binuclear species of the general formula (II):[LMn(&#x3bc;-X)MnL]Y&#x2003;&#x2003;(II)wherein Mn is a manganese; L or each L independently is a polydentate ligand, each X independently is a coordinating species and each &#x3bc;-X independently is a bridging coordinating species, whereas Y is an non-coordinating counterion, and wherein the catalytic oxidation is carried out at a pH in the range of from 1.5 to 6.0.

Process for the manufacture of propylene oxide

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Vondelingenplaat, Netherlands

Prasad Muppa