HE

Hans-Jurgen Ehrich

SC Schering: 5 patents #587 of 2,442Top 25%
Overall (All Time): #1,062,486 of 4,157,543Top 30%
5
Patents All Time

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
4966786 Conditioning means for printed circuits Hartmut Mahlkow 1990-10-30
4299672 Bath and process for galvanic separation of palladium-nickel alloys Jorg Wahnelt 1981-11-10
4285991 Method for producing printed circuits Klaus Gedrat, Hartmut Mahlkow, Joachim Wolff 1981-08-25
4262085 Process for preparation of metal patterns on insulating carrier materials Hartmut Mahlkow 1981-04-14
4248632 Solution and process for the activation of surfaces for metallization Wolfgang Clauss, Hartmut Mahlkow 1981-02-03