Inventor
STEWART KEVIN J
US26 patents
⚠️ This page may combine multiple inventors who share the name “STEWART KEVIN J”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
TRANSITIONS OPTICAL INC
10 patentsUS6150430ANov 21, 2000
Process for adhering a photochromic coating to a polymeric substrate
TRANSITIONS OPTICAL INC271 citations99
US6025026AFeb 15, 2000
Process for producing an adherent polymeric layer on polymeric substrates and articles produced thereby
TRANSITIONS OPTICAL INC297 citations99
US7258437B2Aug 21, 2007
Photochromic multifocal optical article
TRANSITIONS OPTICAL INC29 citations92
US6998072B2Feb 14, 2006
Photochromic polymerizable compositions
TRANSITIONS OPTICAL INC30 citations92
US6916537B2Jul 12, 2005
Articles having a photochromic polymeric coating
TRANSITIONS OPTICAL INC28 citations92
US7911676B2Mar 22, 2011
Photochromic optical articles prepared with reversible thermochromic materials
TRANSITIONS OPTICAL INC9 citations84
US7666331B2Feb 23, 2010
Photochromic article
TRANSITIONS OPTICAL INC9 citations84
US7666510B2Feb 23, 2010
Optical elements that include curable film-forming compositions containing blocked isocyanate adhesion promoters
TRANSITIONS OPTICAL INC4 citations63
US11084236B2Aug 10, 2021
Method for preparing an optical element which colors in a non-uniform linear pattern
TRANSITIONS OPTICAL INC1 citations58
US9304330B2Apr 5, 2016
Experiential optical device
TRANSITIONS OPTICAL INC1 citations52
IBM
6 patentsUS5618751AApr 8, 1997
Method of making single-step trenches using resist fill and recess
IBM152 citations96
US5041358AAug 20, 1991
Negative photoresist and use thereof
IBM58 citations96
US5059512AOct 22, 1991
Ultraviolet light sensitive photoinitiator compositions, use thereof and radiation sensitive compositions
IBM27 citations92
US5115095AMay 19, 1992
Epoxy functional organosilicon polymer
IBM7 citations74
US5110711AMay 5, 1992
Method for forming a pattern
IBM9 citations74
US5098816AMar 24, 1992
Method for forming a pattern of a photoresist
IBM10 citations74
PPG IND OHIO INC
5 patentsUS6506488B1Jan 14, 2003
Aminoplast resin photochromic coating composition and photochromic articles
PPG IND OHIO INC188 citations98
US6432544B1Aug 13, 2002
Aminoplast resin photochromic coating composition and photochromic articles
PPG IND OHIO INC187 citations98
US5961892AOct 5, 1999
Polyalkoxylated naphthopyrans
PPG IND OHIO INC108 citations97
US7410691B2Aug 12, 2008
Photochromic optical article
PPG IND OHIO INC73 citations94
US7465415B2Dec 16, 2008
Photochromic materials derived from ring-opening monomers and photochromic initiators
PPG IND OHIO INC31 citations92