Werner Schaefer — 8 Patents at Hoechst Gmbh

Werner Schaefer has been granted 8 US patents while listed as an inventor at Hoechst Gmbh. The first was granted in 1987 and the most recent in March 1999. Werner Schaefer ranks #600,572 of 4,157,543 US inventors in our database (top 14.4%). Patent records list Werner Schaefer in Kronberg, DE.

Issued Patents All Time

Showing 1–8 of 8 patents

Patent #	Title	Co-Inventors	Date
5880193	Dispersants for pigment concentrates	Fritz Berke, Volker Schrenk, Manfred Scheiba, Guenter Hahn	1999-03-09
5032458	Polyester film	Hermann Dallmann, Wolfgang Gawrisch, Hartmut Hensel	1991-07-16
4921670	Process for producing polyester film containing a slip agent	Hermann Dallmann, Lothar Bothe, Guenther Crass	1990-05-01
4902138	Measuring component concentration in a gas blend	Heinz-Dieter Goeldner, Bertold Horn, Thomas Liedtke, Wolf-Ruediger Marx	1990-02-20
4801640	Polyester film having improved abrasion resistance manufactured from particle-filled polyester having nucleating agent dispersed therein	Hermann Dallmann, Wolfgang Gawrisch, Hartmut Hensel	1989-01-31
4751139	Biaxially oriented film having high scratch and abrasion resistance	Hartmut Hensel, Hermann Dallmann	1988-06-14
4746703	Oriented plastic film having specific surface topography	Hermann Dallmann, Walter Seifried, Siegfried Janocha, Harmut Hensel	1988-05-24
4682031	Infrared gas analyzer	Walter Fabinski	1987-07-21

Werner Schaefer — 8 Patents

Issued Patents All Time

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