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.)
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PPG Industries Inc
Original Assignee
PPG Industries Inc
Filing date
Publication date
Priority claimed from US05/494,688external-prioritypatent/US4097438A/en
Application filed by PPG Industries IncfiledCriticalPPG Industries Inc
Application grantedgrantedCritical
Publication of AU485619B2publicationCriticalpatent/AU485619B2/en
Publication of AU8021875ApublicationCriticalpatent/AU8021875A/en