Inventor
SIEGERT HERMANN
DE18 patents
⚠️ This page may combine multiple inventors who share the name “SIEGERT HERMANN”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
ROEHM GMBH
4 patentsUS6979432B2Dec 27, 2005
Hydrogen cyanide synthesis process
ROEHM GMBH35 citations92
US6977310B2Dec 20, 2005
Method for the continuous production of alkyl (meth)acrylates
ROEHM GMBH57 citations92
US6743407B2Jun 1, 2004
Hydrogen cyanide synthesis process
ROEHM GMBH34 citations92
US4673730AJun 16, 1987
Method for recovering aromatic polyethers
ROEHM GMBH2 citations62
MAY ALEXANDER
4 patentsUS8975440B2Mar 10, 2015
Method for producing a carboxylic acid amide from a carbonyl compound and hydrocyanic acid
MAY ALEXANDER2 citations60
US8569539B2Oct 29, 2013
Process for preparing alpha-hydroxycarboxylic esters
MAY ALEXANDER2 citations60
US9289752B2Mar 22, 2016
Catalyst for reacting carboxylic acid nitriles
MAY ALEXANDER0 citations50
US8334406B2Dec 18, 2012
Process for preparing carboxamides by hydrolysis carboxylic acid nitriles in the presence of a catalyst comprising manganese dioxide
MAY ALEXANDER1 citations49
EVONIK ROEHM GMBH
3 patentsUS7999130B2Aug 16, 2011
Methods for producing alkyl(meth)acrylates
EVONIK ROEHM GMBH14 citations82
US7714165B2May 11, 2010
Method for the continuous production of unsaturated carboxylic acid anhydrides
EVONIK ROEHM GMBH7 citations71
US7928251B2Apr 19, 2011
Process for preparing tetramethyl glycolide
EVONIK ROEHM GMBH2 citations62
BROELL DIRK
3 patentsUS8791296B2Jul 29, 2014
Process for preparing methacrylic acid
BROELL DIRK3 citations59
US8337671B2Dec 25, 2012
Method for purifying polymerizable compounds
BROELL DIRK3 citations59
US8084640B2Dec 27, 2011
Method for the continuous production of unsaturated carboxylic acid anhydrides
BROELL DIRK6 citations59