Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
CA815976A
Inventor
L. Michaud Andre
J. Mas Robert
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Fabriques de Produits Chimiques de Thann et de Mulhouse
Original Assignee
Fabriques de Produits Chimiques de Thann et de Mulhouse
Publication date
Application grantedgrantedCritical
Publication of CA815976ApublicationCriticalpatent/CA815976A/en