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
CA685260A
Inventor
Kohlstaedt Erwin
H. Klingler Karl
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.)
CHEMIEWERK HOMBURG ZWEIGNIEDER-LASSUNG DER DEGUSSA
Original Assignee
CHEMIEWERK HOMBURG ZWEIGNIEDER-LASSUNG DER DEGUSSA
Publication date
Application grantedgrantedCritical
Publication of CA685260ApublicationCriticalpatent/CA685260A/en