Inventor
SIMMONS ROBERT B
14 patents
⚠️ This page may combine multiple inventors who share the name “SIMMONS ROBERT B”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
PPG INDUSTRIES INC
13 patentsUS5089127AFeb 18, 1992
Chemical feed apparatus
PPG INDUSTRIES INC87 citations92
US4297333AOct 27, 1981
Method of decomposing hypochlorite ion in a basic solution
PPG INDUSTRIES INC35 citations92
US4747978AMay 31, 1988
Calcium hypochlorite compositions
PPG INDUSTRIES INC59 citations91
US4959208ASep 25, 1990
Active agent delivery device
PPG INDUSTRIES INC47 citations90
US5049385ASep 17, 1991
Solid halogen-containing composition and method for producing same
PPG INDUSTRIES INC21 citations81
US4170539AOct 9, 1979
Diaphragm having zirconium oxide and a hydrophilic fluorocarbon resin in a hydrophobic matrix
PPG INDUSTRIES INC20 citations81
US4170537AOct 9, 1979
Method of preparing a diaphragm having a gel of a hydrous oxide of zirconium in a porous matrix
PPG INDUSTRIES INC23 citations81
US4253935AMar 3, 1981
Method of preparing a diaphragm having a gel of a hydrous oxide or zirconium in a porous matrix
PPG INDUSTRIES INC13 citations73
US4170538AOct 9, 1979
Diaphragm having zirconium and magnesium compounds in a porous matrix
PPG INDUSTRIES INC12 citations73
US5106559AApr 21, 1992
Solid halogen-containing composition and method for producing same
PPG INDUSTRIES INC16 citations72
US4040934AAug 9, 1977
Bipolar electrolyzer having silicon laminate backplate
PPG INDUSTRIES INC10 citations71
US4483715ANov 20, 1984
Method for removing dibasic calcium hypochlorite scale
PPG INDUSTRIES INC0 citations48
US4483842ANov 20, 1984
Method for removing dibasic calcium hypochlorite scale
PPG INDUSTRIES INC0 citations37