Inventor

ARMBRUST RALPH

DE3 patents

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

LANXESS DEUTSCHLAND GMBH

1 patent

US7211701B2May 1, 2007

Preparation of trimethylolpropane

LANXESS DEUTSCHLAND GMBH32 citations90

BAYER AG

1 patent

US6933409B1Aug 23, 2005

Amination of aromatic hydrocarbons and heterocyclic analogs thereof

BAYER AG10 citations71

ARMBRUST RALPH

1 patent

US8137430B2Mar 20, 2012

Calcium formate fertiliser

ARMBRUST RALPH3 citations54