Inventor
ALFS HELMUT
DE6 patents
Patents
6 patentsUS4461916AJul 24, 1984
Process for the production of p-tert-octyl phenol by catalytic alkylation of phenol
HUELS CHEMISCHE WERKE AG15 citations68
US4414125ANov 8, 1983
Alkali metal or amine salts of a mixture of 2- and 3-alkyladipic acids as corrosion inhibitors
HUELS CHEMISCHE WERKE AG11 citations68
US4236033ANov 25, 1980
Process for the manufacture of p-alkylphenols
HUELS CHEMISCHE WERKE AG8 citations67
US4211506AJul 8, 1980
Method and apparatus for the metered conveying of pulverulent solids
HUELS CHEMISCHE WERKE AG14 citations67
US4168390ASep 18, 1979
Process for continuous alkylation of phenol using ion exchange resins
HUELS CHEMISCHE WERKE AG10 citations67
US4162365AJul 24, 1979
Liquid phase air oxidation process for making phthalic acids
HUELS CHEMISCHE WERKE AG5 citations60