Inventor · disambiguated record
Andreas Perl
Also filed as: PERL ANDREAS
8 granted patents·3 pending applications·3 citations·filing 2007–2013
74Inventor score
Top patents by PatentIndex Score
11 records- 0171US8143434B2Production 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
- 0266US8334399B2Method for producing acetone cyanohydrin and the subsequent products thereof by specific coolingGROPP UDO·Filed 2007·Granted Dec 18, 2012·1 cites·17 claims
- 0350US9169194B2Metering ringSARTORELLI LORENZA·Filed 2013·Granted Oct 27, 2015·0 cites·17 claims
- 0448US8129559B2Process 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
- 0547US8324424B2Method for the adsorptive purification of alkyl methacrylatesGROPP UDO·Filed 2007·Granted Dec 4, 2012·0 cites·14 claims
- 0645US8586779B2Method for producing methacrylic alkyl esters by way of azeotropic distillationGROPP UDO·Filed 2007·Granted Nov 19, 2013·0 cites·9 claims
- 0743US9637574B2Process and apparatus for preparing alkyl esters of methacrylic acidGROPP UDO·Filed 2007·Granted May 2, 2017·0 cites·3 claims
- 0843US2010069662A1Integrated process and apparatus for preparing esters of methacrylic acid from acetone and hydrocyanic acidEVONIK ROEHM GMBH·Filed 2007·Application pending·0 cites
- 0942US2010249449A1Method for amidating of nitrile in the presence of sulfuric acidEVONIK ROEHM GMBH·Filed 2008·Application pending·0 cites
- 1037US9458083B2Method for hydrolysing acetone cyanohydrinSELBACH ARNDT·Filed 2013·Granted Oct 4, 2016·0 cites·7 claims
- 1136US2012010430A1Metering ringSARTORELLI LORENZA·Filed 2010·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →