Inventor · disambiguated record
Udo Gropp
Also filed as: GROPP UDO
17 granted patents·4 pending applications·128 citations·filing 1995–2013
91Inventor score
Top patents by PatentIndex Score
21 records- 0191US6977310B2Method for the continuous production of alkyl (meth)acrylatesROEHM GMBH·Filed 2002·Granted Dec 20, 2005·57 cites·18 claims
- 0290US7999130B2Methods for producing alkyl(meth)acrylatesEVONIK ROEHM GMBH·Filed 2006·Granted Aug 16, 2011·14 cites·22 claims
- 0387US7423173B2Method for producing alpha-hydroxycarboxylic acids and the esters thereofROEHM GMBH·Filed 2005·Granted Sep 9, 2008·11 cites·18 claims
- 0476US8802020B2Reactor for preparing hydrogen cyanide by the Andrussow processSCHAEFER THOMAS·Filed 2008·Granted Aug 12, 2014·4 cites·24 claims
- 0575US6469203B1Method for depolymerizing polymethylmethacrylateMETALLGESELLSCHAFT AG·Filed 1999·Granted Oct 22, 2002·20 cites·10 claims
- 0671US8143434B2Production by distillation of acetone cyanhydrin and method for producing methacrylic ester and subsequent productsGROPP UDO·Filed 2007·Granted Mar 27, 2012·2 cites·12 claims
- 0766US8334399B2Method for producing acetone cyanohydrin and the subsequent products thereof by specific coolingGROPP UDO·Filed 2007·Granted Dec 18, 2012·1 cites·17 claims
- 0864US5541284AMethod for processing crude polyoxymethyleneDEGUSSA·Filed 1995·Granted Jul 30, 1996·18 cites·13 claims
- 0956US8389762B2Method for purifying methacrylic acidGROPP UDO·Filed 2009·Granted Mar 5, 2013·0 cites·20 claims
- 1055US8889899B2Transesterification methodsACKERMANN JOCHEN·Filed 2006·Granted Nov 18, 2014·1 cites·12 claims
- 1154US8575388B2Method for producing methacrylic acidGROPP UDO·Filed 2009·Granted Nov 5, 2013·0 cites·19 claims
- 1250US9169194B2Metering ringSARTORELLI LORENZA·Filed 2013·Granted Oct 27, 2015·0 cites·17 claims
- 1348US8129559B2Process for preparing cyanohydrins and their use in the preparation of alkyl esters of methacrylic acidGROPP UDO·Filed 2007·Granted Mar 6, 2012·0 cites·27 claims
- 1447US8324424B2Method for the adsorptive purification of alkyl methacrylatesGROPP UDO·Filed 2007·Granted Dec 4, 2012·0 cites·14 claims
- 1545US8586779B2Method for producing methacrylic alkyl esters by way of azeotropic distillationGROPP UDO·Filed 2007·Granted Nov 19, 2013·0 cites·9 claims
- 1644US2009209781A1Process for preparing alpha-hydroxycarboxylic acidsEVONIK ROEHM GMBH·Filed 2007·Application pending·0 cites
- 1743US9637574B2Process and apparatus for preparing alkyl esters of methacrylic acidGROPP UDO·Filed 2007·Granted May 2, 2017·0 cites·3 claims
- 1843US2010069662A1Integrated process and apparatus for preparing esters of methacrylic acid from acetone and hydrocyanic acidEVONIK ROEHM GMBH·Filed 2007·Application pending·0 cites
- 1942US2010249449A1Method for amidating of nitrile in the presence of sulfuric acidEVONIK ROEHM GMBH·Filed 2008·Application pending·0 cites
- 2037US9458083B2Method for hydrolysing acetone cyanohydrinSELBACH ARNDT·Filed 2013·Granted Oct 4, 2016·0 cites·7 claims
- 2136US2012010430A1Metering ringSARTORELLI LORENZA·Filed 2010·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →