Peter Hardt

Process for the preparation of 4,4'-(phenylenediisopropyl)-bis-(2,6-dialkylanilines)

Process for the production of 4, 4'-(phenylene-diisopropyl)-bis(2, 6-dialkylanilines)

Process for the preparation of bismaleimides

Process for preparing gamma-butyrobetaine

Phenylene-di:isopropyl-bis:di:alkyl-phenyl isocyanate(s) with low toxicity

Process for the preparation of 4-substituted 2,6-dialkylanilines.

4,4'-methylene-bis-(3-chloro-2,6-dialkylphenylisocyanates)

4,4'-METHYLEN-BIS-(3-CHLORO-2,6-DIALKYLPHENYLISOCYANATES) AND POLYURETHANE SYSTEMS CONTAINING THE SAME

PROCESS FOR THE PRODUCTION OF GAMMA-BUTYROBETAINE

Verfahren zur herstellung von gamma-butyrobetain.