JF

Jan Freriks

Shell Oil Compny: 5 patents #661 of 4,423Top 15%
Overall (All Time): #1,049,188 of 4,157,543Top 30%
5
Patents All Time

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
6107442 Outdoor durable coating compositions and acid functional polyester resins and polyglycidyl esters thereof usable therefor Ronald Petrus Clemens Van Gaalen, Gregory John Hitchings, Petrus G. Kooijmans 2000-08-22
5952459 Polymeric amines Antonius A. Broekhuis 1999-09-14
5811198 Acid functional and epoxy functional polyester resins Petrus G. Kooijmans, Gerrit G. Rosenbrand, Marianne Angele Walravens 1998-09-22
5739213 Acid functional and epoxy functional polyester resins Petrus G. Kooijmans, Gerrit G. Rosenbrand, Marianne Angele Walravens 1998-04-14
5480960 Process for the preparation of an acid functional polyester resin Pieter Groenveld, Petrus G. Kooijmans, Werner T. Raudenbush 1996-01-02