CH

Colin Hewlett

TG The Halcon Sd Group: 2 patents #13 of 37Top 40%
Overall (All Time): #2,344,960 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4698187 Preparation of carboxylic acid anhydrides 1987-10-06
4559183 Preparation of carboxylic acid anhydrides 1985-12-17