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| Number | Title | Issue Date |
| 8143455 | Process for preparing 2-hydroxyacetals and the corresponding 2-hydroxyalkanals What is described is a process for preparing 2-hydroxyacetals of the general formula in which R1 is hydrogen, a branched or unbranched C1-C12-alkyl radical, an electron-deficient, halogen-, NO2—, CN—, CF3—... | 03/27/2012 |
| 8143361 | EVM in solar modules The present invention relates to a solar module containing at least one layer made up of at least one α-olefin-vinyl acetate copolymer which has a vinyl acetate content of ≧40% by weight, based on the total weight of the α-olefin-vinyl acetate copolymer, and has... | 03/27/2012 |
| 8137430 | Calcium formate fertiliser The invention relates to a method for producing a formulation containing calcium formiate, to the formulation itself, and to the use thereof for producing a product, and the use thereof as a fertilizer. ... | 03/20/2012 |
| 8124813 | Method of producing 2-phenoxyacetals and the corresponding 2-phenoxy-carbaldehydes therefrom The invention relates to a novel process for preparing 2-phenoxyacetals and the corresponding 2-phenoxycarbaldehydes. These compounds are important intermediates for the preparation of active pharmaceutical ingredients. ... | 02/28/2012 |
| 8115018 | Process for brominating alkylthiophenes What is described is a process for brominating alkylthiophene, in which an alkylthiophene of the general formula (I) where R is a branched or unbranched alkyl radical having 1 to 12 carbon atoms is conta... | 02/14/2012 |
| 8114558 | Organic pigments for colour filters Use of pigments of the formula (I) containing melamine as guest compound and having a dispersion harshness of more than 250 as pigments for color filters for liquid-crystal displays. ... | 02/14/2012 |
| 8084526 | Silica-filled elastomeric compounds The present invention provides compositions containing halobutyl elastomers, at least one mineral filler and at least one oligomeric polyol compound or mixture of at least one oligomeric polyol compound and an additive which contains at least one hydroxyl group and ... | 12/27/2011 |
| 8071792 | High-purity vinylene carbonate and a method of purifying vinylene carbonate The present invention relates to the technical purification of vinylene carbonate (VC) by means of a simple thermal treatment with organic compounds which possess amidic nitrogen-hydrogen bonds, followed by a distillation and a melt crystallization. In this way VC o... | 12/06/2011 |
| 8071668 | Butyl rubber compounds comprising a three component mixed modifier system Rubber compounds containing a halobutyl elastomer, at least one additional elastomer, a mineral filler and at least a three component mixed modifier system comprising a silane compound, a phosphine compound and an additive containing at least one hydroxyl group and ... | 12/06/2011 |
| 8063125 | Fast-gelling plasticizer preparations The invention relates to fast-gelling plasticizer preparations comprising at least one aryl alkylsulfonate of the formula R1—SO2—O—R2 and at least one diol dibenzoate of the general formula R3C(O)O—Y—O(O)CR4... | 11/22/2011 |
| 8034961 | Process for stereoselectively reducing 4-aryl-4-oxobutanoic acid derivatives The present invention relates to a process for preparing stereoisomerically enriched 4-aryl-4-hydroxybutanoic acid derivatives by reducing 4-aryl-4-ketobutanoic acid derivatives in the presence of ruthenium-containing catalysts. ... | 10/11/2011 |
| 8030520 | Process for preparing organic compounds by a transition metal-catalysed cross-coupling reaction of an aryl-X, heteroaryl-X, cycloalkenyl-X or alkenyl-X compound with an alkyl, alkenyl, cycloalkyl or cycloalkenyl halide This invention relates to a process for preparing functionalized aryl, heteroaryl, cycloalkenyl, or alkenyl compounds, by a transition-metal-catalyzed cross-coupling reaction of a substituted or unsubstituted aryl-X, heteroaryl-X, cycloalkenyl-X or alkenyl-X compoun... | 10/04/2011 |
| 8026325 | Co-polymerization of an isoolefin with a halogenated co-monomer A co-polymer of isobutene and 4-bromo-3-methyl-1-butene formed by direct co-polymerization in a single-step process. A continuous process for forming the co-polymer preferably comprises periodic or semi-continuous addition of catalyst to a mixed monomer solution. Se... | 09/27/2011 |
| 8026314 | Plasticizer preparations The present invention relates to plasticizer preparations based on triacetin with short gel time, and to their use, and to polyvinyl chloride preparations. ... | 09/27/2011 |
| 8022255 | Process for preparing ketones from alpha-oxo carboxylates and aryl bromides A process for preparing ketones of the general formula (III) where R is an optionally substituted carbocyclic aromatic radical having 6 to 24 carbon atoms or an optionally substituted alky... | 09/20/2011 |
| 8003830 | Method for improving the color number of trimethylolpropane The present invention relates to a method for the production of trimethylolpropane with a low color number by treatment with activated carbon. ... | 08/23/2011 |
| 7999122 | Method of purifying vinylene carbonate The present invention relates to the industrial purification of vinylene carbonate (VC). It was found that it is advantageous to subject the VC to be purified, before the purifying distillation, to a simple thermal treatment with organic compounds which have ... | 08/16/2011 |
| 7977431 | Dithiocarbamic esters The present invention relates to dithiocarbamic esters, their preparation and their use for regulating the degree of polymerization during the polymerization of monomers, such as during the polymerization of chloroprene to give polychloroprene, and during the polyme... | 07/12/2011 |
| 7960491 | Isoolefin-diolefin production process and apparatus therefore In an isoolefin-diolefin rubber production process (e.g. a butyl rubber production process), the cold rubber slurry produced in the reaction vessel is transported from the reaction vessel to the flash tank during which time the cold slurry may be expressed to separa... | 06/14/2011 |
| 7943694 | Crosslinkable compositions, thermoplastic elastomers obtainable therefrom and their use Crosslinkable compositions based on at least one copolyester as thermoplastic elastomer and on α-olefin-vinyl acetate copolymers having a vinyl acetate content of ≧40% by weight, where the compositions comprise a peroxide as crosslinking initiator. The present in... | 05/17/2011 |
| 7931873 | Isoolefin-diolefin production process and apparatus therefore In an isoolefin-diolefin rubber production process (e.g. a butyl rubber production process), the cold rubber slurry produced in the reaction vessel is transported from the reaction vessel to the flash tank during which time the cold slurry may be expressed to separa... | 04/26/2011 |
| 7915336 | Crosslinkable compositions, thermoplastic elastomers obtainable therefrom and their use Crosslinkable compositions based on polyamide and on α-olefin-vinyl acetate copolymers, where the compositions comprise a crosslinking initiator, and also a co-crosslinking agent, and crosslinkable compositions based on polyamides and on α-olefin-vinyl acetate cop... | 03/29/2011 |
| 7915333 | Butyl rubber ionomer nanocomposites The invention relates to nanocomposites and processes for making nanocomposites comprising butyl rubber ionomers having at least 3.5 mol % of repeating units derived from a multiolefin monomer, such as isoprene. More particularly, the invention relates to butyl rubb... | 03/29/2011 |
| 7888515 | Method for the production of N,N-carbonyldiazoles The present invention relates to an improved process for preparing N,N′-carbonyldiazoles by reacting azoles with phosgene. ... | 02/15/2011 |
| 7847126 | Process for preparing tertiary phosphines The invention relates to a process for synthesizing tertiary phosphines by reacting halophosphines with organomagnesium compounds in the presence of copper compounds and optionally of salts. ... | 12/07/2010 |
| 7847096 | 4-aminophenylmorpholinone derivatives and their preparation The invention relates to novel aminophenylmorpholinone derivates (I) in which S represents an optionally substituted morpholinone radical, to a process for their preparation and to their use. ... | 12/07/2010 |
| 7847000 | Silica-filled elastomeric compounds The present invention provides a composition comprising at least one halobutyl elastomer, at least one mineral filler and at least one protected thiol modifier. In another aspect the present invention provides a process which comprises mixing a halobutyl elastomer w... | 12/07/2010 |
| 7868100 | Halogenated terpolymers of isobutylene, diolefin monomer and styrenic monomer A halogenated butyl polymer having improved properties, the butyl polymer derived from a monomer mixture comprising a C4 to C8 monoolefin monomer, a C4 to C14 multiolefin monomer and a styrenic monomer with a catalyst syst... | 01/11/2011 |
| 7851577 | Polymerization process using zinc halide initiators A cationic polymerization process for isoolefins using a zinc halide initiator. The zinc halide initiator is added to a solution of the isoolefin in a suitable solvent, preferably a halocarbon solvent. Polymerization reactions are normally conducted at temperatures ... | 12/14/2010 |
| 7820845 | Preparation of phosphorus-containing propoxylation products by using aluminium trichloride The invention describes a process for preparing propoxylated, phosphorus-containing compounds using aluminium chloride catalyst. ... | 10/26/2010 |
| 7803941 | Process for preparing ring-fluorinated aromatics The present invention relates to an improved process for preparing ring-fluorinated aromatics of the general formula (I) by a halogen exchange reaction (halex reaction) of a plurality of halogen substituents in one stage in... | 09/28/2010 |
| 7776768 | Phthalate-free isocyanurate preparations The present invention relates to novel low-monomer-content, low-viscosity preparations composed of isocyanurates which contain isocyanate groups and of phthalate-free plasticizers, to their use as adhesion promoters for coating compositions based on plasticized poly... | 08/17/2010 |
| 7741391 | Silica-filled elastomeric compounds The present invention relates to silica-filled halogenated butyl elastomers, such as bromobutyl elastomers (BIIR). Further, the present invention also relates to bromobutyl elastomers with improved scorch safety. ... | 06/22/2010 |
| 7718827 | Process for the ruthenium-catalysed oxidation of alcohols by means of hypochlorite The present invention relates to a process for preparing aldehydes or ketones using an alkali metal hypochlorite or an alkaline earth metal hypochlorite in the presence of a ruthenium catalysts. ... | 05/18/2010 |
| 7709644 | Process for the enantiomeric enrichment of cis-8-benzyl-7,9-dioxo-2,8-diazabicyclo[4.3.0]nonane The present invention relates to a process for the enantiomeric enrichment of cis-8-benzyl-7,9-dioxo-2,8-diazabicyclo[4.3.0]nonane with the aid of continuous countercurrent chromatography, which is also described as SMB chromatography (SMB=simulated moving bed).... | 05/04/2010 |
| 7683217 | Process for preparing monomethylhydrazine The present invention relates to a process for preparing monomethylhydrazine by methylating hydrazine or hydrazinium hydrochloride or hydrazinium dihydrochloride with methyl chloride and/or a methano/HCl mixture, characterized in that the reaction mixture formed in ... | 03/23/2010 |
| 7682444 | Process for preparing pigments Process for preparing pigments of the formula (I) or tautomeric structures thereof and their hydrates, containing melamine as guest, characterized in that a mixture of the azobarbituric mono-cation salt (II) and the azobarb... | 03/23/2010 |
| 7671217 | Method for the decarboxylation of dicarboxylic acids The invention relates to a method for the thermal decarboxylation of dicarboxylic acids, in particular to 3,4-ethylene dioxythiophene-2,5-dicarboxylic acid as an educt. According to said method the educt is used in solid form and/or the reaction is carried out in th... | 03/02/2010 |
| 7662480 | Butyl ionomer having improved surface adhesion A butyl rubber ionomer having improved adhesion to substrates whose surfaces have polar functional groups. Examples of such substrate materials include stainless steel, glass, mylar or Teflon®. The adhesion of the butyl rubber ionomer to the substrate is at least 2... | 02/16/2010 |
| 7649033 | Filled elastomeric compounds and methods for preparing same The invention provides a process for preparing a filled halobutyl elastomer, which includes mixing a halobutyl elastomer with at least one mineral filler that has been reacted with at least one organic compound containing at least one basic nitrogen-containing group... | 01/19/2010 |
