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
CA269,393A
Inventor
Ho-Sou Chen
Donald E. Polk
Original Assignee
Allied Chemical Corp
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Priority claimed from US00318146Aexternal-prioritypatent/US3856513A/en
Application filed by Allied Chemical CorpfiledCriticalAllied Chemical Corp
Priority to CA269,393ApriorityCriticalpatent/CA1012384A/en
Application grantedgrantedCritical
Publication of CA1012384ApublicationCriticalpatent/CA1012384A/en