PP

Philippe Pichat

SS Societe Chimique Des Charbonnages S.A.: 1 patents #6 of 10Top 60%
Overall (1982): #38,350 of 81,411Top 50%
1
Patents 1982

Issued Patents 1982

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4344925 Ozone whitening of synthetic gypsum Robert Sinn, Michel Neil 1982-08-17