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.)
Seiwa Technological Laboratories Ltd
Resonac Holdings Corp
Original Assignee
Showa Denko KK
Seiwa Technological Laboratories Ltd
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 Showa Denko KK, Seiwa Technological Laboratories LtdfiledCriticalShowa Denko KK
Priority to CA 2043334priorityCriticalpatent/CA2043334C/fr
Publication of CA2043334A1publicationCriticalpatent/CA2043334A1/fr
Application grantedgrantedCritical
Publication of CA2043334CpublicationCriticalpatent/CA2043334C/fr