DF

Dieter Freitag

BH Bayer Healthcare: 12 patents #10 of 594Top 2%
📍 Krefeld, MA: #1 of 1 inventorsTop 100%
Overall (1982): #91 of 81,411Top 1%
12
Patents 1982

Issued Patents 1982

Showing 1–12 of 12 patents

Patent #TitleCo-InventorsDate
4366276 Flame-resistant moulding materials based on thermoplastic aromatic polyesters and polyesters carbonates, a process for their production and their use in the production of moulded bodies Werner Nouvertne, Klaus Reinking, Peter Tacke, Frank Kleiner, Manfred Schmidt 1982-12-28
4362864 Process for the preparation of polyarylene sulphides Karsten-Josef Idel, Ludwig Bottenbruch, Josef Merten 1982-12-07
4348542 Process for the production of mixtures of alkylated aromatic hydroxy compounds Volker Serini, Rainer Neumann, Gerhard Friedhofen, Jürgen Heuser, Hans-Helmut Schwarz 1982-09-07
4342681 Use of organic silicon compounds in combination with oxetane compounds, dioxanes or tetrahydrofuranes for stabilizing and brightening polycarbonates which are free from phosphites and free from boric acid esters Karsten-Josef Idel, Wolfgang Cohnen 1982-08-03
4338429 Process for working up polycarbonates Volker Serini, John Goossens, Ludwig Bottenbruch 1982-07-06
4334053 Process for the preparation of aromatic polyesters and the use thereof for the production of injection molded articles, films and coatings Klaus Reinking, Karsten-Josef Idel, Harald Medem, Ludwig Bottenbruch 1982-06-08
4333809 Cross-linkable polycarbonate elastomers, a process for their preparation and use for packaging medicines Manfred Schreckenberg, Hans-Heribert Burgdorfer, Gunther Lehnert, Siegfried Adelmann, Hans Rudolph 1982-06-08
4331614 Aromatic polyphosphonates and a process for their production Manfred Schmidt, Ludwig Bottenbruch, Klaus Reinking, Harry Rohr, Hans-Dieter Block 1982-05-25
4328174 Aromatic polyester phosphonates Manfred Schmidt, Ludwig Bottenbruch, Klaus Reinking, Harry Rohr, Harald Medem 1982-05-04
4322520 Aromatic thermoplastic polyphosphonatocarbonate Manfred Schmidt, Ludwig Bottenbruch, Werner Nouvertne 1982-03-30
4322373 Process for the preparation of aromatic dicarboxylic acid dichlorides Manfred Schmidt 1982-03-30
4316980 Process for the preparation of tetramethylated bisphenol polycarbonates Karsten-Josef Idel, Volker Serini, Gerd Fengler 1982-02-23