Inventor · disambiguated record
Helmut Zech
Also filed as: ZECH HELMUT
7 granted patents·21 citations·filing 2006–2018
77Inventor score
Top patents by PatentIndex Score
7 records- 0190US7847097B2Method for production of 1-alkyl-3-phenyluracilsBASF AG·Filed 2006·Granted Dec 7, 2010·15 cites·15 claims
- 0276US8722893B2Process for manufacturing 5-chloromethyl-2,3-pyridine dicarboxylic acid anhydridesMENGES FREDERIK·Filed 2009·Granted May 13, 2014·2 cites·2 claims
- 0375US8563734B22-[1-cyanopropyl)carbamoyl]-5-chloromethyl nicotinic acids and the use thereof in manufacturing herbicidal imidazolinonesMENGES FREDERIK·Filed 2009·Granted Oct 22, 2013·2 cites·14 claims
- 0473US8629279B2Process for manufacturing 5-formyl-pyridine-2,3-dicarboxylic acid estersRACK MICHAEL·Filed 2009·Granted Jan 14, 2014·2 cites·12 claims
- 0563US9278977B2Process for manufacturing 5-chloromethyl-2,3-pyridine dicarboxylic acid anhydridesBASF SE·Filed 2014·Granted Mar 8, 2016·0 cites·12 claims
- 0647US9096570B2Process for manufacturing substituted 3-pyridylmethyl ammonium bromidesGEBHARDT JOACHIM·Filed 2009·Granted Aug 4, 2015·0 cites·15 claims
- 0745US11358922B2Process for preparing 4-chlorobenzyl propargyl etherBASF SE·Filed 2018·Granted Jun 14, 2022·0 cites·16 claims
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →