P

Inventor

DUGAL MARKUS

DE8 patents
⚠️ This page may combine multiple inventors who share the name “DUGAL MARKUS”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

BAYER MATERIALSCIENCE AG

4 patents
US7692042B2Apr 6, 2010

Process for preparing aniline

BAYER MATERIALSCIENCE AG10 citations80
US7435853B2Oct 14, 2008

Process for the production of di- and polyamines of the diphenylmethane series

BAYER MATERIALSCIENCE AG0 citations50
US7456303B2Nov 25, 2008

Catalyst

BAYER MATERIALSCIENCE AG0 citations48
US7271116B2Sep 18, 2007

Catalyst

BAYER MATERIALSCIENCE AG0 citations48

COVESTRO DEUTSCHLAND AG

2 patents
US10703713B2Jul 7, 2020

Process for preparing an isocyanate

COVESTRO DEUTSCHLAND AG3 citations65
US10807084B2Oct 20, 2020

Silica-based zinc catalysts, their preparation and use in the alkoxycarbonylation of amines

COVESTRO DEUTSCHLAND AG0 citations45

BAYER AG

1 patent
US6770765B2Aug 3, 2004

Catalyst

BAYER AG7 citations70

BAYER MATERIALSCIENCE LLC

1 patent
US7488850B2Feb 10, 2009

Process for removing compounds containing phenolic hydroxy groups from aromatic amines

BAYER MATERIALSCIENCE LLC0 citations46