GP

Gunter Puppel

KG Krupp Koppers Gmbh: 1 patents #59 of 124Top 50%
Overall (All Time): #3,887,223 of 4,157,543Top 95%
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Patent #TitleCo-InventorsDate
5055630 Process for making p-xylene with a purity of more than 99.8% by weight — 1991-10-08