HZ

Hendricus Franciscus Zirkzee

GE: 4 patents #8,224 of 36,430Top 25%
Overall (All Time): #1,036,021 of 4,157,543Top 25%
5
Patents All Time

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
7122613 Method for the production of polycarbonates Rudy Francois Alain Jos Peemans, Eugène Theodorus Wilhelmus Maria Schipper, Jan Henk Kamps 2006-10-17
6620902 Process for preparing polycarbonate and apparatus for preparing polycarbonate Tomoaki Shimoda, Akio Ikeda, Takato Kimura, Ken Tamada, Hans-Peter Brack +3 more 2003-09-16
6340736 Method and apparatus for the production of polycarbonates with brine recycling Nicolaas Petrus Maria Coenen, Jan Gerritsen, Rolf Grootveld, Martin Herke Oyevaar, Raimund Frans Vandenbussche 2002-01-22
6228973 Method for preparing high molecular weight polycarbonate Patrick Joseph McCloskey, Timothy Brydon Burnell, Paul Michael Smigelski, Jr., Johan Pieter Anna Heuts 2001-05-08
5929151 Ketone polymer-epoxy blend compositions Gerrijt De Wit 1999-07-27