Chemetall Gmbh

Chemtura Organometallics Gmbh

Chemtura Organometalics Gmbh

Jens Röder

Ulrich Wietelmann

Uwe Lischka

Ute Emmel

Andrea Kapries

Johannes Canisius

Matthias Wagner

Oliver Schumacher

Martin Steinbild

Alexander Murso

Hannes Vitze

Sebastian Lang

Liane Franke

Kay Papstein

Wolfram Lerner

Thorsten Nordhorn

This invention relates to low-viscosity, concentrated complex solutions containing magnesium, which are produced by reacting a magnesium alkoside with a carboxylic acid halogenide in a hydrocarbon-based solvent, and to a method for producing the same.

Low-viscosity, concentrated solutions of magnesium complexes for producing polymerization catalysts and method for producing the same

A concentrated solution of mixed alkaline-earth alkoxide compounds M(OCHR)(OR)and an aluminum compound Al(OCHR)(OR), in aprotic solvents, wherein M is an alkaline-earth metal selected from among Mg, Ca, Ba, Sr; OCHRis an alkoxide group comprising at least 3 and at most 40 C atoms and having a branch at the 2-position relative to the O-function, in other words Ris CHRR, wherein R, Rare alkyl groups C-Cindependently of each other; Ris an alkyl group having 2-15 C atoms that is either linear or has a branch at &#x2267;the 3-position; and the sum of x and y is a number between 0.01 and 0.8.

Concentrated solutions of alkaline-earth metal oxides in aprotic solvents and method for the production thereof

A coordination compound of an element of the boron group, the production of the compound and methods of using the compound as an additive, stabilizer, catalyst, co-catalyst, activator for catalyst systems, conductivity improver, and electrolyte.

Coordination compounds of the boron group

Water-free metal oxide colloids or metal oxide polymers of the formula [M(O)XX]n (1) in an aprotic, organic solvent or solvent mixture, wherein M is Si, Ge, Sn, Ti, Zr or Hf; and Xand Xare independently O, H, alkoxy (&#x2014;OR), wherein R represents an organo radical having 1-20 C-atoms, alkyl having 1-20 C atoms or aryl having 6-C atoms, wherein the alkyl- or aryl radicals an include one or several other halogen substituents, selected from the group of F, Cl, Br or I; and n is from 10-1.000.000.

Water-free metaloxide colloids and metal oxide polymers, method for the production thereof and use thereof

A diorganomagnesium-containing synthesis means, a method for its preparation and its use.

Method for preparing diorganomagnesium-containing synthesis means

A method for the production of water-free rare earth metal halogenides by reacting rare earth metal oxides with a halogentation agent.

Method for the production of water-free rare earth metal halogenides, synthesis mixtures containing water-free rare earth metal halogenides and use thereof

The present invention relates to catalytic compositions for esterification, transesterification and polycondensation reactions, a process for the catalysis of said reactions employing such catalytic compositions and polyesters or resins obtainable by this process.

Mixed catalytic composition

The present invention relates to catalytic compositions for esterification, transestrification and polycondensation reactions, a process for the catalysis of said reactions employing such catalytic compositions and polyesters for resins obtainable by this process.

Growing community of inventors

Frankfurt am Main, Germany

Jens Röder