Axel Nissen

Manufacture of higher ketones

Chroman derivatives and stabilized polypropylene composition

Preparation of citral

Preparation of aliphatic carbonyl compounds

Manufacture of a catalyst composition containing zinc and nickel or cobalt

Preparation of higher unsaturated ketones

Process for the production of citral

CHROMAN DERIVATIVES, METHOD FOR THEIR PREPARATION, THEIR USE AS STABILIZING AGENTS IN ORGANIC MATERIALS, AND ORGANIC MATERIALS CONTAINING THESE STABILIZING AGENTS

Manufacture of carbonyl compounds

Aldol condensation and hydrogenation process using a catalyst of nickel and cobalt together with zinc oxide and another metal of groups VIII, IIb, IIIa, IVa and Va of the periodic table