Inventor · disambiguated record
Peter Kirchner
Also filed as: KIRCHNER PETER
4 granted patents·227 citations·filing 1974–1993
79Inventor score
Top patents by PatentIndex Score
4 records- 0196US5087739ACirculation process for the production of aliphatic and cycloaliphatic diisocyanatesHUELS CHEMISCHE WERKE AG·Filed 1991·Granted Feb 11, 1992·165 cites·15 claims
- 0290US5360931AContinuous multi-stage process for the preparation of (cyclo) aliphatic diisocyanatesHUELS CHEMISCHE WERKE AG·Filed 1993·Granted Nov 1, 1994·48 cites·25 claims
- 0356US4986932AStabilizer system for polyolefins comprised of monocarboxylic acid esters of a piperidinol and a benzophenone or benzotriazoleHUELS CHEMISCHE WERKE AG·Filed 1988·Granted Jan 22, 1991·12 cites·14 claims
- 0436US3952040AUrea derivative containing isocyanate groupsVEBA CHEMIE AG·Filed 1974·Granted Apr 20, 1976·2 cites·3 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →