Inventor
CRAWFORD ROGER A
15 patents
⚠️ This page may combine multiple inventors who share the name “CRAWFORD ROGER A”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
PPG INDUSTRIES INC
13 patentsUS4895759AJan 23, 1990
Saturating grade paper
PPG INDUSTRIES INC28 citations92
US4297333AOct 27, 1981
Method of decomposing hypochlorite ion in a basic solution
PPG INDUSTRIES INC35 citations92
US5030286AJul 9, 1991
High solids aqueous silica slurry
PPG INDUSTRIES INC51 citations91
US4263051AApr 21, 1981
Soft-settling silica flatting agent
PPG INDUSTRIES INC43 citations86
US4193851AMar 18, 1980
Silica gels and their formation by electrolysis of silicate solutions
PPG INDUSTRIES INC20 citations81
US4095994AJun 20, 1978
Soft-settling fluosilicate-treated silica flatting agent
PPG INDUSTRIES INC7 citations73
US4894241AJan 16, 1990
Halophor composition
PPG INDUSTRIES INC7 citations72
US4782078ANov 1, 1988
Halophor biocidal compositions
PPG INDUSTRIES INC9 citations72
US4390512AJun 28, 1983
Process for producing calcium hypochlorite
PPG INDUSTRIES INC8 citations71
US4328200AMay 4, 1982
Process for producing calcium hypochlorite
PPG INDUSTRIES INC15 citations71
US4844899AJul 4, 1989
Halophor composition
PPG INDUSTRIES INC2 citations61
US4693894ASep 15, 1987
Halophor composition
PPG INDUSTRIES INC4 citations61
US4818532AApr 4, 1989
Bromophor composition
PPG INDUSTRIES INC1 citations51