WK

Willi Kreuder

Hoechst Gmbh: 17 patents #165 of 4,020Top 5%
CG Covion Organic Semiconductors Gmbh: 6 patents #3 of 29Top 15%
A& Aventis Research & Technologies Gmbh &: 3 patents #10 of 131Top 8%
Basf Se: 2 patents #5,851 of 13,826Top 45%
AG Axiva Gmbh: 2 patents #1 of 39Top 3%
CG Celanese Ventures Gmbh: 1 patents #26 of 50Top 55%
Merck: 1 patents #5,419 of 9,382Top 60%
Overall (All Time): #95,025 of 4,157,543Top 3%
36
Patents All Time

Issued Patents All Time

Showing 1–25 of 36 patents

Patent #TitleCo-InventorsDate
7252781 Solutions of polymer semiconductors Hubert Spreitzer, Heinrich Becker, Sybille Berg, Andreas Sauer 2007-08-07
7087787 Method for producing derivatives of 4-alkylsulfinyl methylarylene methanols Dirk Vanderzande, Joanes Gelan, Albert Jos Jan Marie VAN BREEMEN, Michael Van Der Borght, Laurence Lutsen +1 more 2006-08-08
7088757 Use of spiro compounds as laser dyes Nu Yu, Josef Salbeck 2006-08-08
6936683 Method of producing derivatives of polyarylene vinylene Dirk Vanderzande, Joanes Gelan, Albert Jos Jan Marie VAN BREEMEN, Michael Van Der Borght, Anna Issaris +2 more 2005-08-30
6653438 Conjugated polymers containing special fluorene structural elements with improved properties Hubert Spreitzer, Heinrich Becker Zum 2003-11-25
6638646 Substituted poly(arylenevinylenes), process for their preparation, and their use in electroluminescent elements Hubert Spreitzer, Heinrich Becker, Hermann Schenk, Nu Yu 2003-10-28
6605693 Triptycene polymers and copolymers Heinrich Becker, Josef Salbeck, Karl Heinz Weinfurtner 2003-08-12
6541602 Conjugated polymers containing 2,7 fluorenyl units with improved properties Hubert Spreitzer, Heinrich Becker 2003-04-01
6509507 Polymerizable biaryls, process for their preparation and their use Hubert Spreitzer, Heinrich Becker, Jochen Krause 2003-01-21
6509110 Triptycene derivatives and their use for opto-electronics applications, in particular as electroluminescent materials Josef Salbeck, Heinrich Becker, Karl Heinz Weinfurtner 2003-01-21
6476265 Method for producing aryl oligoamines Hubert Spreitzer, Heinrich Becker, Ute Neumann 2002-11-05
6458909 Aryl-substituted poly (p-arylene-vinylenes), process for their preparation and their use in electroluminescence components Hubert Spreitzer, Heinrich Becker, Harmannus Franciscus Maria Schoo, Robert J. C. E. Demandt 2002-10-01
6414431 Thin film electrode for planar organic light-emitting devices and method for its production Nu Yu, Hubert Spreitzer, Hermann Schenk, Heinrich Becker 2002-07-02
6361884 Partially conjugated polymers with spiro centers and their use as electro-luminescent materials Hubert Spreitzer 2002-03-26
6329082 Hetero-spiro compounds and their use as electroluminescence materials Donald Lupo, Josef Salbeck, Hermann Schenk, Thomas Stehlin 2001-12-11
6323373 Polymerizable biaryls, method for the production and use thereof Hubert Spreitzer, Heinrich Becker, Jochen Krause 2001-11-27
6316591 Ordered poly(arylene-vinylene) terpolymers, method for the production and the use thereof as electroluminescent materials Hans-Heinrich Horhold, Henning Rost, Annett HARTMANN 2001-11-13
6187224 Optical brightening agent Josef Salbeck 2001-02-13
6114490 Polymers comprising olig-p-phenylene units, a process for their preparation and their use Dieter Neher, Marcus Remmers 2000-09-05
6107447 Cholesteric phase-forming polymers, process for their preparation and their use Axel Schonfeld, Gordon Calundann 2000-08-22
5874179 Nitrogen-containing polymers as electroluminescent materials Hans-Heinrich Horhold, Henning Rost 1999-02-23
5859211 Conjugated polymers containing heterospiro atoms and their use as electroluminescence materials Donald Lupo, Josef Salbeck, Hermann Schenk, Thomas Stehlin 1999-01-12
5834064 Effect coatings whose perceived color depends on the viewing angle Erwin Dietz, Axel Schonfeld 1998-11-10
5814244 Polymers comprising triaylamine units as electroluminescence materials Hans-Heinrich Horhold, Henning Rost 1998-09-29
5763636 Polymers containing spiro atoms and methods of using the same as electroluminescence materials Hubert Spreitzer 1998-06-09