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.)
PPG Industries Inc
Original Assignee
Pittsburgh Plate Glass Co
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 Pittsburgh Plate Glass CofiledCriticalPittsburgh Plate Glass Co
Priority to ES221029ApriorityCriticalpatent/ES221029A3/en
Publication of ES221029A3publicationCriticalpatent/ES221029A3/en
Method of heating glass in a restricted zone, characterized by applying a solution comprising colloidal graphite and an alkali metal carboxyalkyl cellulose to the restricted area of the glass and passing electric current through the graphite to heat it and heat the glass adjacent thereto. (Machine-translation by Google Translate, not legally binding)
ES221029A1955-04-091955-04-09A method of producing multiple vidrian units (Machine-translation by Google Translate, not legally binding)
ExpiredES221029A3
(en)