Gerd Ehrmann — 14 Patents at Basf Se

Gerd Ehrmann has been granted 14 US patents while listed as an inventor at Basf Se. The first was granted in 1990 and the most recent in January 2011. Gerd Ehrmann ranks #332,869 of 4,157,543 US inventors in our database (top 8.0%). Patent records list Gerd Ehrmann in Deidesheim, DE.

Issued Patents All Time

Showing 1–14 of 14 patents

Patent #	Title	Co-Inventors	Date	Approx Value ⓘ
7868053	Expandable polystyrene granulates with a bi- or multi-modal molecular-weight distribution	Klaus Hahn, Joachim Ruch, Markus Allmendinger, Bernhard Schmied, Jan Holoch +1 more	2011-01-11
7776244	Method for producing expandable polystyrene	Franz-Josef Dietzen, Bernhard Schmied, Martin Laun, Klaus Hahn, Joachim Ruch +3 more	2010-08-17
7045082	Production of foam webs from high-temperature-resistant polysulfones or polyether sulfones	Franz-Josef Dietzen, Dietrich Scherzer, Joachim Queisser, Swen Ruck, Wolfgang Kratzmuller	2006-05-16	$846,000
6727291	Preparation of expandable propylene polymer beads	Christian Maletzko, Klaus Hahn, Isidor de Grave, Franz-Josef Dietzen	2004-04-27	$142,000
6703431	Flexible open-celled microcellular polymer foams	Franz-Josef Dietzen, Hans-Joachim Hähnle, Serguei Evsioukov, Gunnar Schornick, Rüdiger Funk	2004-03-09	$708,000
6521672	Open-cell particulate foams	Guiscard Glück, Franz-Josef Dietzen, Klaus Hahn	2003-02-18	$440,000
6498232	Method for coagulating plastics dispersions using a device with shearing elements	Norbert Güntherberg, Jurgen Hofmann, Alexander Ludwig, Hartmut Heinen, Peter Barghoorn +4 more	2002-12-24	$514,000
6476089	Expandable olefin bead polymers	Christian Maletzko, Klaus Hahn, Isidor de Grave, Franz-Josef Dietzen	2002-11-05	$310,000
6448300	Expandable olefin bead polymers	Christian Maletzko, Klaus Hahn, Isidor de Grave, Franz-Josef Dietzen	2002-09-10	$407,000
6444714	Method for producing expandable polystyrene particles	Guiscard Glück, Franz-Josef Dietzen, Klaus Hahn	2002-09-03	$291,000
6420442	Flame-proofed polystyrene foamed materials	Franz-Josef Dietzen, Guiscard Glück, Gerhard Turznik, Gerhard Alicke, Klaus Hahn +2 more	2002-07-16	$638,000
5744505	Prefoamed polyolefin beads produced by extrusion	Joachim Fischer, Franz-Josef Dietzen, Isidoor De Grave, Jens Rieger	1998-04-28
5091126	Preparation of expandable granules, and the production of foams therefrom	Heinz Weber, Franz-Josef Dietzen, Eckhard Nintz, Hans D. Zettler	1992-02-25
4940629	Fiber reinforced thermoplastic integral skin foams and manufacture thereof	Heinz Weber, Gerhard Bleckmann, Gerhard Dembek, Gerhard Heinz, Lothar Schlemmer	1990-07-10

Gerd Ehrmann — 14 Patents

Issued Patents All Time

Patent Widget