Assignee
GROPP UDO
DE·8 granted patents·3 citations·filing 2007–2009
Top patents by PatentIndex Score
8 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
- 0356US8389762B2Method for purifying methacrylic acidGROPP UDO·Filed 2009·Granted Mar 5, 2013·0 cites·20 claims
- 0454US8575388B2Method for producing methacrylic acidGROPP UDO·Filed 2009·Granted Nov 5, 2013·0 cites·19 claims
- 0548US8129559B2Process 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
- 0647US8324424B2Method for the adsorptive purification of alkyl methacrylatesGROPP UDO·Filed 2007·Granted Dec 4, 2012·0 cites·14 claims
- 0745US8586779B2Method for producing methacrylic alkyl esters by way of azeotropic distillationGROPP UDO·Filed 2007·Granted Nov 19, 2013·0 cites·9 claims
- 0843US9637574B2Process and apparatus for preparing alkyl esters of methacrylic acidGROPP UDO·Filed 2007·Granted May 2, 2017·0 cites·3 claims
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