Friedrich Dr. Vogel

Terpolymers, their use in hair treatment agents and hair treatment agents containing these terpolymers

Tercopolymers, their use in hair treatment compositions and hair treatment compositions containing them

Semiconductor electric circuit device with plural-layer aluminum base metallization

Use of selectively hydrogenated styrene/butadiene copolymers in cosmetic and pharmaceutical compositions

Polymers of oxyalkylated unsaturated quaternary ammonium salts, their preparation and their use

Adjustable voltage divider produced by hybrid technology

Preparation of 3-methyl-1-vinylimidazolium chlorides

Process for the manufacture of copolymers of maleic acid alkyl mono-esters and vinyl alkyl ethers

Preparation of copolymers of monoalkyl maleates and vinyl alkyl ethers

Copolymers, use thereof as hair fixatives and hair fixatives containing same