Inventor
DUFFER PAUL F
9 patents
Patents
9 patentsUS4606946AAug 19, 1986
Method of applying interleaving material to glass sheets
PPG INDUSTRIES INC9 citations73
US4568605AFeb 4, 1986
Acidified powdered interleaving
PPG INDUSTRIES INC9 citations73
US4530889AJul 23, 1985
Acidified powdered interleaving
PPG INDUSTRIES INC10 citations73
US4529648AJul 16, 1985
Method of applying interleaving material to glass sheets
PPG INDUSTRIES INC10 citations73
US4489106ADec 18, 1984
Two step interleaving method
PPG INDUSTRIES INC15 citations73
US4487807ADec 11, 1984
Mixed acid stain inhibitor
PPG INDUSTRIES INC9 citations73
US4447496AMay 8, 1984
Organotin surface treatment and interleaving material for glass sheets
PPG INDUSTRIES INC10 citations73
US4360544ANov 23, 1982
Organotin surface treatment and interleaving material for glass sheets
PPG INDUSTRIES INC10 citations73
US4254046AMar 3, 1981
Method for making dimethyltin difluoride
PPG INDUSTRIES INC10 citations72