WK

Walter Knobel

SA Sandoz Ag: 3 patents #174 of 1,103Top 20%
DA Davy International Ag: 2 patents #6 of 22Top 30%
📍 Kerpen, DE: #18 of 128 inventorsTop 15%
Overall (All Time): #1,066,116 of 4,157,543Top 30%
5
Patents All Time

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
4443223 Composition and method for improving the fastness of direct and reactive dyeings on cellulose-containing substrates Bruno Kissling, Tibor Robinson 1984-04-17
4410652 Reaction products useful for improving the wetfastness of direct and reactive dyes on cellulosic substrates Tibor Robinson, Bruno Kissling 1983-10-18
4314891 Process for reconcentrating moist glycol 1982-02-09
4273620 Process for reconcentrating moist glycol 1981-06-16
4247290 Process for dyeing mixed elastomeric and non-elastomeric fibers Karl Zeller 1981-01-27