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.)
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.)
Solvay USA Inc
Original Assignee
Rhodia Inc
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
Application filed by Rhodia IncfiledCriticalRhodia Inc
Priority claimed from US497981Aexternal-prioritypatent/US3929904A/en
Priority to CA286,873ApriorityCriticalpatent/CA1028362A/fr
Application grantedgrantedCritical
Publication of CA1030983ApublicationCriticalpatent/CA1030983A/fr