JC

Johannes E. L. Claassens

SB Stamicarbon B.V.: 1 patents #194 of 427Top 50%
Overall (All Time): #4,097,293 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
4291170 Preparation of delta-keto-esters Sijbrandus E. Schaafsma, Johannes H. A. Hofman 1981-09-22