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.)
WR Grace and Co Conn
Original Assignee
WR Grace and Co Conn
Filing date
Publication date
Priority claimed from US05580103external-prioritypatent/US4044187B1/en
Application filed by WR Grace and Co ConnfiledCriticalWR Grace and Co Conn
Publication of AU1414276ApublicationCriticalpatent/AU1414276A/en
Publication of AU500418B2publicationCriticalpatent/AU500418B2/en
Application grantedgrantedCritical
Publication of AU500418CpublicationCriticalpatent/AU500418C/en