GP

Gerhard Pfahler

Hoechst Gmbh: 4 patents #40 of 606Top 7%
Overall (1994): #6,343 of 165,921Top 4%
4
Patents 1994

Issued Patents 1994

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
5356967 6-aryl-6H-dibenzo[c,e][1,2]oxaphosphorine stabilizers for plastics Manfred Bohshar, Hans-Jerg Kleiner 1994-10-18
5331034 Process for reducing the discoloration of a plastic molding composition at the processing temperature Georg Schmailzl 1994-07-19
5298541 Aryl phosphonites, a process for their production and their use for stabilizing plastics Manfred Bohshar, Hans-Jerg Kleiner 1994-03-29
5281640 Diarylphosphinous acid aryl esters, a process for their preparation and their use for stabilizing plastics Dieter Regnat, Manfred Bohshar, Hans-Jerg Kleiner 1994-01-25