HZ

Hans Zengel

AI Akzona Incorporated: 5 patents #1 of 88Top 2%
AN Akzo N.V.: 4 patents #1 of 56Top 2%
📍 Kleinwallstadt, DE: #1 of 1 inventorsTop 100%
Overall (1982): #207 of 81,411Top 1%
9
Patents 1982

Issued Patents 1982

Showing 1–9 of 9 patents

Patent #TitleCo-InventorsDate
4357447 Polymere N-halogenamide auf basis von acryl-und methacrylamid Manfred Bergfeld, Rainer Zielke 1982-11-02
4356289 Polymeric N-halogenoamides on the basis of acrylamide and methacrylamide Manfred Bergfeld, Rainer Zielke 1982-10-26
4346233 Process for the preparation of ureas Manfred Bergfeld, Rainer Zielke 1982-08-24
4342707 Process for the preparation of bis-N-chloramides Manfred Bergfeld 1982-08-03
4332601 Method for making silica fibers Arno Wegerhoff, Walter Brodowski, Heinz Beck, Ernst Seeberger, Gerhard Steenken +1 more 1982-06-01
4332600 Method for making silica fibers Arno Wegerhoff, Walter Brodowski, Heinz Beck, Ernst Seeberger, Gerhard Steenken +1 more 1982-06-01
4317947 Process for the preparation of nitrosobenzene Manfred Bergfeld 1982-03-02
4316031 Process for the preparation of 2-mercaptobenzothiazole Manfred Bergfeld, Heinz Praetorius 1982-02-16
4314089 Process for the preparation of nitrosobenzene Manfred Bergfeld, Werner Klostermeier 1982-02-02