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.)
Nor Am Chemical Co
Original Assignee
Nor Am Chemical Co
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 US06/535,650external-prioritypatent/US4606478A/en
Priority claimed from EP84306205Aexternal-prioritypatent/EP0159433B1/en
Application filed by Nor Am Chemical CofiledCriticalNor Am Chemical Co
Publication of ES8506419A1publicationCriticalpatent/ES8506419A1/es
Publication of ES536208A0publicationCriticalpatent/ES536208A0/es