RK

Robertus J. C. Koster

The Procter & Gamble: 4 patents #2,952 of 10,133Top 30%
📍 Grimbergen, BE: #9 of 72 inventorsTop 15%
Overall (All Time): #1,308,816 of 4,157,543Top 35%
4
Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
4470923 Detergent composition containing low levels of amine oxides 1984-09-11
4391726 Detergent composition containing low levels of amine oxides 1983-07-05
4372882 Detergent composition containing low level of substituted polyamines Volker Six, Peter Hale 1983-02-08
4285841 Highly concentrated fatty acid containing liquid detergent compositions Christian R. Barrat, Jean Wevers 1981-08-25