HZ

Helmut Zecha

AP Air Products Polymers: 2 patents #9 of 37Top 25%
WA Wacker Chemie Ag: 2 patents #434 of 1,324Top 35%
Overall (All Time): #992,414 of 4,157,543Top 25%
5
Patents All Time

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
9650507 Method for producing vinyl ester polymers having specifically settable dispersity and low polydispersity Hans-Peter Weitzel 2017-05-16
8586686 Process for preparing vinyl acetate-ethylene copolymers by means of emulsion polymerization Gerhard Kogler 2013-11-19
7649067 Process of making a vinyl ester based polymer latex composition Holger Kuenstle 2010-01-19
6794466 Shear thinning vinyl acetate based polymer latex composition, especially for adhesives Rudolf Weissgerber, Francis Peter Petrocelli 2004-09-21
6552115 Vinyl acetate based polymer latex composition, especially for adhesives Rudolf Weissgerber, Frank Geiger 2003-04-22