Basf Aktiengesellschaft

Leland Stanford Junior University

Marcos Gomez

Helmut Meffert

Axel Sanner

Zhenan Bao

Richard Baur

Werner Bertleff

Peter Erk

Peter Spang

Michael Kerber

Frauke Richter

Tilman C Rock

Shuhong Liu

A method of patterning the surface of a substrate with at least one organic semiconducting compound including:

Patterning crystalline compounds on surfaces

Incorporation of crosslinked polyvinylpyrrolidone in a specific particle composition as a disintegrant in compact particulate laundry detergents or cleaning products, such a particle composition and the compact particulate laundry detergents themselves, a process for preparing such a compact particulate laundry detergents or cleaning products, and a process for preparing specific particle compositions.

Use of cross-linked polyvinylpyrrolidone as a disintegrant in compact, particulate detergents and cleaning agents

The use is described of particulate, water-insoluble and scarcely swellable polymers of ethylenically unsaturated monomers, which polymers contain, copolymerized, at least 20% by weight, based on the total weight of the monomers, of at least one &agr;,&bgr;-monoethylenically unsaturated monocarboxylic acid having from 3 to 6 carbons as filter aid for filtering aqueous liquids. Subject-matter of the invention are also water-insoluble, scarcely swellable polymers (popcorn polymers) that contain, copolymerized, &agr;,&bgr;-monoethylenically unsaturated carboxylic acids and styrene or styrene derivatives, and also a process for their preparation.

Particulate polymers as filter aids

Growing community of inventors

Ludwigshafen, Germany

Marcos Gomez