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
Pittsburgh Plate Glass Co
Publication date
Application grantedgrantedCritical
Publication of CA554286ApublicationCriticalpatent/CA554286A/en
Basically substituted esters of phenothiazine-10-carboxylic acid, and acid addition salts of such esters, and process for preparing such esters and salts