Inventor

KOELBL GERHARD

DE9 patents

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

EVONIK ROEHM GMBH

5 patents

US9611204B2Apr 4, 2017

Method of regulating the water content in a continuous method for producing methacrolein

EVONIK ROEHM GMBH4 citations71

US9994507B2Jun 12, 2018

Optimized method for producing methacrolein

EVONIK ROEHM GMBH4 citations70

US9816703B2Nov 14, 2017

Recirculation and disposal of aqueous catalyst solutions in amine catalytic processes

EVONIK ROEHM GMBH5 citations69

US8049030B2Nov 1, 2011

Method for producing (meth)acrylates

EVONIK ROEHM GMBH2 citations59

US8039664B2Oct 18, 2011

Method for producing butanediol dimethacrylates

EVONIK ROEHM GMBH0 citations48

KOESTNER MARTIN

1 patent

US8426637B2Apr 23, 2013

Process for preparation of high purity methacrylic acid

KOESTNER MARTIN7 citations77

KNEBEL JOACHIM

1 patent

US8686181B2Apr 1, 2014

Method for producing ethylene glycol dimethacrylate

KNEBEL JOACHIM2 citations57

SCHMITT BARDO

1 patent

US8674133B2Mar 18, 2014

Method for continuously producing alkylamino(meth)acrylamides

SCHMITT BARDO2 citations57

ZHANG ZHENGFENG

1 patent

US9290431B2Mar 22, 2016

Process for preparation of highly pure, non-yellowing methacrylic acid

ZHANG ZHENGFENG0 citations42