WP

Werner Pfaff

Hoechst Gmbh: 5 patents #756 of 4,020Top 20%
NA Novartis Ag: 1 patents #2,882 of 5,128Top 60%
NF Novartis Finance: 1 patents #94 of 193Top 50%
SA Syngenta Crop Protection Ag: 1 patents #315 of 703Top 45%
Overall (All Time): #652,897 of 4,157,543Top 20%
8
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
8552222 Chemical process for the production of haloalkenone ethers David Anthony Jackson, Florian Schleth, Devender Singh Negi 2013-10-08
6124493 Process for the preparation of o-chloromethyl-phenylglyoxylic acid derivatives Jean-Marie Assercq, Hans-Dieter Schneider, Albert Pfiffner 2000-09-26
5756811 Process for the preparation of o-chloromethyl-phenylglyoxylic acid derivatives Jean-Marie Assercq, Hans-Dieter Schneider, Albert Pfiffner 1998-05-26
4339436 .alpha.-Amylase inhibitor from a streptomycete and process for its preparation Volker Oeding, Laszlo Vertesy, Hans-Ludwig Weidenmuller 1982-07-13
4282318 .alpha.-Amylase inhibitor from a streptomycete and process for its preparation Volker Oeding, Laszlo Vertesy, Hans-Ludwig Weidenmuller 1981-08-04
4226764 .alpha.-Amylase inhibitor from a streptomycete and process for its preparation Volker Oeding, Laszlo Vertesy, Hans-Ludwig Weidenmuller 1980-10-07
4221815 Benzoic acids, their derivatives and process for preparing them Rudi Weyer, Volker Hitzel, Karl Geisen 1980-09-09
4181658 Certain nicotinamido-n-benzoic acid derivatives Volker Hitzel, Rudi Weyer, Karl Geisen 1980-01-01