Helmut Zech — 7 Patents at Basf Se

Helmut Zech has been granted 7 US patents while listed as an inventor at Basf Se. The first was granted in 2010 and the most recent in June 2022. Helmut Zech ranks #680,018 of 4,157,543 US inventors in our database (top 16.4%). Patent records list Helmut Zech in Bad Dürkheim, DE.

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Showing 1–7 of 7 patents

Patent #	Title	Co-Inventors	Date
11358922	Process for preparing 4-chlorobenzyl propargyl ether	Daniel Saelinger, Philip Muelheims, Roland Goetz	2022-06-14
9278977	Process for manufacturing 5-chloromethyl-2,3-pyridine dicarboxylic acid anhydrides	Frederik Menges, Joachim Gebhardt, Michael Rack, Michael Keil, Rodney F. Klima +3 more	2016-03-08
9096570	Process for manufacturing substituted 3-pyridylmethyl ammonium bromides	Joachim Gebhardt, Frederik Menges, Michael Rack, Michael Keil, Jochen Schroeder +5 more	2015-08-04
8722893	Process for manufacturing 5-chloromethyl-2,3-pyridine dicarboxylic acid anhydrides	Frederik Menges, Joachim Gebhardt, Michael Rack, Michael Keil, Rodney F. Klima +3 more	2014-05-13
8629279	Process for manufacturing 5-formyl-pyridine-2,3-dicarboxylic acid esters	Michael Rack, Joachim Gebhardt, Frederik Menges, Michael Keil, Rodney F. Klima +3 more	2014-01-14
8563734	2-[1-cyanopropyl)carbamoyl]-5-chloromethyl nicotinic acids and the use thereof in manufacturing herbicidal imidazolinones	Frederik Menges, Joachim Gebhardt, Michael Rack, Michael Keil, Rodney F. Klima +3 more	2013-10-22
7847097	Method for production of 1-alkyl-3-phenyluracils	Joachim Gebhardt, Sandra Loehr, Michael Keil, Thomas Schmidt, Jan Hendrik Wevers +1 more	2010-12-07

Helmut Zech — 7 Patents

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