Ivan Orban

Process for the preparation of sterically hindered hydroxyphenylcarboxylic acid esters

Process for the preparation of polyaminotriazines

Process for the preparation of sterically hindered hydroxphenylcarboxylic acid esters

Process for the methylation of triazine compounds containing 2,2,6,6-tetramethylpiperidine groups

Solvent-free crystallization of pentaerythritol tetrakis-[3-(3,5-di-tert-butyl-4-hydroxyphenyl)propionate] and the novel alpha-crystalline form thereof

Process for the preparation of 2,2,6,6-tetramethyl-4-oxopiperidine

Verfahren zur herstellung von 2,2,6,6tetramethyl-4-oxo-piperidin

Process for the preparation of sterically hindered hydroxyphenyl carboxylic-acid esters

Azo coupling of 2-nitroanilines with 2,4,-disbustituted phenols

Ortho cyclohexyl, para hydroxy aralkanoic acid esters and amide antioxidants