Inventor · disambiguated record
Hans-Jurgen Ehrich
Also filed as: EHRICH HANS J · EHRICH HANS-JUERGEN
5 granted patents·100 citations·filing 1975–1988
81Inventor score
Files withSCHERING AG5
Top patents by PatentIndex Score
5 records- 0191US4248632ASolution and process for the activation of surfaces for metallizationSCHERING AG·Filed 1979·Granted Feb 3, 1981·61 cites·2 claims
- 0260US4285991AMethod for producing printed circuitsSCHERING AG·Filed 1980·Granted Aug 25, 1981·18 cites·17 claims
- 0349US4262085AProcess for preparation of metal patterns on insulating carrier materialsSCHERING AG·Filed 1979·Granted Apr 14, 1981·11 cites·9 claims
- 0435US4299672ABath and process for galvanic separation of palladium-nickel alloysSCHERING AG·Filed 1975·Granted Nov 10, 1981·5 cites·4 claims
- 0534US4966786AConditioning means for printed circuitsSCHERING AG·Filed 1988·Granted Oct 30, 1990·5 cites·6 claims
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