WEIDMANN, ULRICH (Total 162 Patents Found)

Compounds of the general formulae (I) and (II): where R 1 , R 2 and R 3 each independently of one another are H; C1-17 alkyl; C 3-12 cycloalkyl, optionally substituted by C 1-4 alkyl groups; C 4-20 cycloalkyl-alkyl, optionally substituted by C 1-4 alkyl groups; C 6-10 , aryl, optionally substituted by 1-3 C 1-4 alky...
Compounds of the general formulae (I) and (II): where R 1 , R 2 and R 3 each independently of one another are H; C 1-17 alkyl; C 3-12 cycloalkyl, optionally substituted by C 1-4 alkyl groups; C 4-20 cycloalkyl-alkyl, optionally substituted by C 1-4 alkyl groups; C 6-10 , aryl, optionally substituted by 1-3 C 1-4 alky...
A process for impregnating an electrical coil which comprises a winding comprising two or more layers consisting of more than one turn of an electrically conducting wire-form material with a polymer material which electrically insulates the individual turns of the wire-form material from one another with the aid of a t...
La présente invention concerne des composés dérivés de la boroxine, par exemple la tripropargylboroxine, la préparation desdits composés et leur utilisation comme ignifugeant dans des résines polymères, en particulier dans des résines polymères thermodurcissables....
Composición de resina epoxídica que comprende: (a) una resina epoxídica líquida a temperatura ambiente que tiene en promedio más de un grupo 1,2-epóxido en la molécula; (b) un sistema de endurecedor-acelerador que consiste esencialmente en un endurecedor de tipo polioxialquilenamina; y (c) un modificador de impa...
Composition comprising as component A) a 1-imidazoly[mothyl-substituted 2-naphthol compound of the general formula (I) where R1, R2 and R3 each independently of one another are H; C1-17alkyl; C3-12cycloalkyl, optionally substituted by C1-4alkyl groups; C4-2ocycloalkyl-alkyl, optionally substituted by C1-4alkyl groups; ...
MASAS FLUIDAS DE EPOXIRRESINA CONTENIENDO A) UNA EPOXIRRESINA AROMATICA O CICLOALIFATICA CON MAS DE UN GRUPO EPOXI 1,2 POR TERMINO MEDIO EN LA MOLECULA, B) UN ENDURECEDOR PARA LA EPOXIRESINA EN CANTIDAD SUFICIENTE PARA QUE SE ENDUREZCA, C) UN INTERMEDIARIO DE VISCOSIDAD, Y D) U OXIDO DE ALUMINIO ESTRATIFICADO CON UN SI...
Composición que comprende como componente A) un compuesto de 2-naftol sustituido con 1-imidazolilmetilo de la fórmula general (I) en la que R1, R2 y R3 son cada uno independientemente entre sí H; alquilo C1-17; cicloalquilo C3-12, opcionalmente sustituido por grupos alquilo C1-4; cicloalquil-C4-20-alquilo, opcionalm...
A process for impregnating an electrical coil which comprises a winding comprising two or more layers consisting of more than one turn of an electrically conducting wire-form material with a polymer material which electrically insulates the individual turns of the wire-form material from one another with the aid of a t...
The instant invention relates to epoxy resin compositions comprising an epoxy resin, a block copolymer having at least one block predominantly composed of methyl methacrylate units or a core shell component and a hardener of the polyoxyalkyleneamine type. The epoxy materials cured from these compositions have high impa...
Compounds of the general formulae (I) and (II): where R1, R2 and R3 each independently of one another are H; C1-17alkyl; C3-12cycloalkyl, optionally substituted by C1-4alkyl groups; C4-20cycloalkyl-alkyl, optionally substituted by C1-4alkyl groups; C6-10, aryl, optionally substituted by 1-3 C1-4alkyl groups, -CN, Hal, ...
Compuestos de fórmulas generales (I) y (II): en las que R1, R2 y R3 son cada una independientemente de la otra H; alquilo C1-17; cicloalquilo C3-12, opcionalmente sustituido por grupos alquilo C1-4; cicloalquil-alquilo C4-20, opcionalmente sustituido por grupos alquilo C1-4; arilo C6-10, opcionalmente sustituido por 1...