PH

Per E. A. Hansson

W& W. R. Grace &: 4 patents #44 of 433Top 15%
Overall (All Time): #1,306,034 of 4,157,543Top 35%
4
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
4689374 Water soluble polyamidoaminepolyamine having weight average molecular weight of at least 5.times.10.sup.5 Felek Jachimowicz 1987-08-25
4566943 Wet strength material Felek Jachimowicz 1986-01-28
4526936 Process for the preparation of polymeric amine containing products Felek Jachimowicz 1985-07-02
4513121 Wet strength material Felek Jachimowicz 1985-04-23