Inventor

ZELLERHOFF ROBERT

DE6 patents

⚠️ This page may combine multiple inventors who share the name “ZELLERHOFF ROBERT”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

RUETGERSWERKE AG

3 patents

US4429172AJan 31, 1984

Process for the production of modified pitches and low boiling aromatics and olefins and use of said pitches

RUETGERSWERKE AG11 citations66

US5075416ADec 24, 1991

Novel process

RUETGERSWERKE AG4 citations57

US4900717AFeb 13, 1990

Recovery of 2,6-dialkyl-naphthalene isomers

RUETGERSWERKE AG3 citations55

RUTGERS KUREHA SOLVENTS GMBH

2 patents

US6107527AAug 22, 2000

Process for the production of hydroxy-aromatic substances

RUTGERS KUREHA SOLVENTS GMBH8 citations62

US5990357ANov 23, 1999

Process for the oxidation of isoalkylaromatic hydrocarbons, and catalyst for the execution of the process

RUTGERS KUREHA SOLVENTS GMBH5 citations53

(unassigned)

1 patent

US6166126ADec 26, 2000

Binder solutions for printing inks containing aromatic polymers with high softening points