Inventor
DUBOIS DONALD W
US19 patents
⚠️ This page may combine multiple inventors who share the name “DUBOIS DONALD W”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
PPG INDUSTRIES INC
15 patentsUS4720334AJan 19, 1988
Diaphragm for electrolytic cell
PPG INDUSTRIES INC65 citations96
US4293394AOct 6, 1981
Electrolytically producing chlorine using a solid polymer electrolyte-cathode unit
PPG INDUSTRIES INC47 citations92
US5192401AMar 9, 1993
Diaphragm for use in chlor-alkali cells
PPG INDUSTRIES INC22 citations91
US4680101AJul 14, 1987
Electrolyte permeable diaphragm including a polymeric metal oxide
PPG INDUSTRIES INC38 citations90
US5683749ANov 4, 1997
Method for preparing asbestos-free chlor-alkali diaphragm
PPG INDUSTRIES INC33 citations89
US4315805AFeb 16, 1982
Solid polymer electrolyte chlor-alkali process
PPG INDUSTRIES INC22 citations82
US4666573AMay 19, 1987
Synthetic diaphragm and process of use thereof
PPG INDUSTRIES INC19 citations80
US5567298AOct 22, 1996
Method of operating chlor-alkali cells
PPG INDUSTRIES INC10 citations73
US4448662AMay 15, 1984
Solid polymer electrolyte chlor-alkali electrolytic cell
PPG INDUSTRIES INC8 citations73
US4364815ADec 21, 1982
Solid polymer electrolyte chlor-alkali process and electrolytic cell
PPG INDUSTRIES INC18 citations73
US5030403AJul 9, 1991
Method for making polymeric fibrils
PPG INDUSTRIES INC12 citations72
US4248680AFeb 3, 1981
Electrolytic process and apparatus
PPG INDUSTRIES INC18 citations70
US4336123AJun 22, 1982
Electrolytic apparatus utilizing a transition metal-graphite intercalation compound cathode
PPG INDUSTRIES INC2 citations62
US4329216AMay 11, 1982
Electrolytic cell utilizing a transition metal-graphite intercalation compound cathode
PPG INDUSTRIES INC3 citations62
US4617196AOct 14, 1986
Method for treating cathode
PPG INDUSTRIES INC1 citations52
PPG IND OHIO INC
4 patentsUS6299939B1Oct 9, 2001
Method of preparing a diaphragm for an electrolytic cell
PPG IND OHIO INC19 citations92
US6296745B1Oct 2, 2001
Method of operating chlor-alkali electrolytic cells
PPG IND OHIO INC19 citations92
US6059944AMay 9, 2000
Diaphragm for electrolytic cell
PPG IND OHIO INC24 citations90
US7465412B2Dec 16, 2008
Calcium hypochlorite composition
PPG IND OHIO INC22 citations89