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.)
Dairen Chemical Corp
Original Assignee
Dairen 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
Application filed by Dairen Chemical CorpfiledCriticalDairen Chemical Corp
Priority claimed from EP93305164Aexternal-prioritypatent/EP0646559B1/de
Publication of DE69316893D1publicationCriticalpatent/DE69316893D1/de
Application grantedgrantedCritical
Publication of DE69316893T2publicationCriticalpatent/DE69316893T2/de