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.)
I N T CO Ltd
NIPPON G C INDUSTRY Co Ltd
Sumitomo Chemical Co Ltd
Original Assignee
I N T CO Ltd
NIPPON G C INDUSTRY Co Ltd
Nippon Steel 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 I N T CO Ltd, NIPPON G C INDUSTRY Co Ltd, Nippon Steel CorpfiledCriticalI N T CO Ltd
Priority to CA 2024457priorityCriticalpatent/CA2024457C/fr
Publication of CA2024457A1publicationCriticalpatent/CA2024457A1/fr
Application grantedgrantedCritical
Publication of CA2024457CpublicationCriticalpatent/CA2024457C/fr