Inventor
WELTON WRIGHT M
US4 patents
Patents
4 patentsUS4738938AApr 19, 1988
Melting and vacuum refining of glass or the like and composition of sheet
PPG INDUSTRIES INC115 citations95
US4886539ADec 12, 1989
Method of vacuum refining of glassy materials with selenium foaming agent
PPG INDUSTRIES INC76 citations94
US4794860AJan 3, 1989
Foam control method for vacuum refining of glassy materials
PPG INDUSTRIES INC47 citations89
US4780122AOct 25, 1988
Vacuum refining of glass or the like with enhanced foaming
PPG INDUSTRIES INC35 citations89