Sachtleben Chemie Gmbh

Merck Patent Gmbh

Studiengesellschaft Kohle Mbh

Zimmer Aktiengesellschaft

Sachtleben Chomie Gmbh

Bernd Hirthe

Frank Pfluecker

Stephan John

Joern Beck

Gabriele Benkner

Ruediger Graf

Ulrich Thiele

Wolf-Dieter Griebler

Jochen Winkler

Wolfgang Schmidt

Bernd Proft

Gerhard Fink

Michael Wedler

Frank Pflücker

Elke Hirschberg

Andrea Otremba

Helke Sanger

Udo Blumenthal

Thorsten Bier

Klaus Hauschild

Kirsten Föhr

Heike Saenger

Heike SÄNGER

The invention relates to metal oxide particles and/or metal hydroxide particles, aftertreated with an organic phosphorus compound, process for the preparation thereof, and compositions comprising same.

Metal oxide particles aftertreated with organic phosphorus compounds

The present invention relates to nanoparticulate UV protectants which are obtainable by hydrothermal treatment of a nanoparticulate metal oxide and subsequent application of a silicon dioxide coating, and to the preparation and use thereof. The present invention furthermore relates to novel compositions, in particular for topical application, which are intended, in particular, for light protection of the skin and/or of the hair against UV radiation, and to the use thereof in the above-mentioned cosmetic application.

Nanoparticulate UV protectant with silicon dioxide coating

The present invention relates to particulate UV protection agents which are obtainable by hydrothermal treatment of a particulate metal oxide and subsequent application of a manganese oxide coating, and to the preparation and use thereof. The present invention furthermore relates to novel compositions, in particular for topical application, which are intended, in particular, for light protection of the skin and/or hair against UV radiation and free-radical-induced stress, and to the use thereof in the above-mentioned cosmetic application.

Particulate UV protection agent

Thermoplastic polymeric materials with high IR absorption are described, containing at least one inorganic metal phosphate of the general formula Me(PO)(OH), wherein Me consists of one or more elements from the group Cu, Fe, Mn, Sb, Zn, Ti, Ni, Co, V, Mg, Bi, Be, Al, Ce, Ba, Sr, Na, K, Ge, Ga, Ca, Cr, In or Sn, and wherein x and y are whole numbers and x=(1 . . . 18), y=(1 . . . 12) and z=(0.2 . . . 10), and the inorganic metal phosphate may optionally also contain water of crystallization.

Thermoplastic, polymeric materials providing high IR absorption, method for the production thereof, and use thereof

The invention relates to methods for producing cesium hydroxide solutions during which: cesium-containing ore is disintegrated with sulfuric acid while forming a cesium aluminum sulfate hydrate, which is poorly soluble at low temperatures; the formed cesium alum is separated away in the form of a solution from the solid ore residues; the aluminum is precipitated out of the cesium alum solution while forming a cesium sulfate solution; the formed cesium sulfate solution is reacted with barium hydroxide or stontium hydroxide while forming a cesium hydroxide solution, and; the formed cesium hydroxide solution is concentrated and purified.

Catalyst system consisting of a carrier and of a co-catalyst

The present invention comprises a new catalyst for the production of polyesters consisting essentially of a finely dispersed, large surface area titanium compound selected from hydrated TiO.sub.2 obtained by hydrolysis and having the composition yTiO.sub.2.zH.sub.2 O and from titanates having the composition (Me.sub.n O).sub.x.(TiO.sub.2).sub.y.(H.sub.2 O).sub.z, wherein Me is an alkaline earth metal or alkali metal. In addition, the present method comprises a process for the production of polyesters using this catalyst as an esterification or transesterification catalyst and as a polycondensation catalyst, whereby a phosphorous-oxygen-compound is added immediately before, during, or after the polycondensation.

Titanium-containing catalyst and process for the production of polyester

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Toenisvorst, Germany

Bernd Hirthe