Inventor
KNOX CAROL L
US15 patents
⚠️ This page may combine multiple inventors who share the name “KNOX CAROL L”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
PPG IND OHIO INC
5 patentsUS6531076B2Mar 11, 2003
Photochromic organic resin composition
PPG IND OHIO INC195 citations98
US7465415B2Dec 16, 2008
Photochromic materials derived from ring-opening monomers and photochromic initiators
PPG IND OHIO INC31 citations92
US9861719B2Jan 9, 2018
Microporous material
PPG IND OHIO INC2 citations70
US10857252B2Dec 8, 2020
Microporous material
PPG IND OHIO INC0 citations49
US9546326B2Jan 17, 2017
Fluid emulsion purification processes using microporous materials having filtration and adsorption properties
PPG IND OHIO INC1 citations48
PPG INDUSTRIES INC
4 patentsUS5356983AOct 18, 1994
Particulate ammonium phosphate of small size
PPG INDUSTRIES INC15 citations72
US5227416AJul 13, 1993
Intumescent flame retardant composition
PPG INDUSTRIES INC11 citations72
US5185103AFeb 9, 1993
Intumescent flame retardant composition
PPG INDUSTRIES INC14 citations71
US5130349AJul 14, 1992
Intumescent flame retardant composition
PPG INDUSTRIES INC6 citations71
TRANSITIONS OPTICAL INC
3 patentsUS7465414B2Dec 16, 2008
Photochromic article
TRANSITIONS OPTICAL INC62 citations97
US7261843B2Aug 28, 2007
Photochromic optical article
TRANSITIONS OPTICAL INC42 citations92
US7907346B2Mar 15, 2011
Photochromic materials and photochromic compositions and articles including the same
TRANSITIONS OPTICAL INC16 citations84