PT

Petrus W. H. L. Tjan

Shell Oil Compny: 2 patents #1,477 of 4,423Top 35%
Overall (All Time): #2,373,354 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4201659 Process for the preparation of gas oil Pieter B. Kwant, Dirk Kanbier, Mohammed Akbar 1980-05-06
4200519 Process for the preparation of gas oil Pieter B. Kwant, Dirk Kanbier, Mohammed Akbar 1980-04-29