Inventor
HELBER MARGARET J
US37 patents
⚠️ This page may combine multiple inventors who share the name “HELBER MARGARET J”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
EASTMAN KODAK CO
31 patentsUS6885026B1Apr 26, 2005
Organic element for electroluminescent devices
EASTMAN KODAK CO21 citations92
US6527977B2Mar 4, 2003
Liquid crystalline filter dyes for imaging elements
EASTMAN KODAK CO30 citations92
US6355386B1Mar 12, 2002
Liquid crystalline filter dyes for imaging elements
EASTMAN KODAK CO35 citations92
US6214499B1Apr 10, 2001
Liquid crystalline filter dyes for imaging elements
EASTMAN KODAK CO29 citations92
US6180295B1Jan 30, 2001
Liquid crystalline filter dyes for imaging elements
EASTMAN KODAK CO23 citations92
US6558880B1May 6, 2003
Thermally developable imaging materials containing heat-bleachable antihalation composition
EASTMAN KODAK CO20 citations91
US6699629B1Mar 2, 2004
Process survivable indicia on foam core imaging supports
EASTMAN KODAK CO14 citations84
US6361932B1Mar 26, 2002
Photographic material having enhanced light absorption
EASTMAN KODAK CO16 citations84
US5213956AMay 25, 1993
Solid particle dispersions of filter dyes for photographic elements
EASTMAN KODAK CO19 citations82
US7147938B2Dec 12, 2006
Organic element for electroluminescent devices
EASTMAN KODAK CO18 citations81
US5451494ASep 19, 1995
Photographic elements containing acyl substituted oxonol dyes
EASTMAN KODAK CO19 citations76
US7074503B2Jul 11, 2006
Organic element for electroluminescent devices
EASTMAN KODAK CO10 citations74
US6620581B1Sep 16, 2003
Photographic material having enhanced light absorption
EASTMAN KODAK CO12 citations74
US5965333AOct 12, 1999
Thermal recording element
EASTMAN KODAK CO8 citations74
US6245255B1Jun 12, 2001
Liquid crystalline filter dyes for imaging elements
EASTMAN KODAK CO7 citations72
US6093510AJul 25, 2000
Liquid crystalline filter dyes for imaging elements
EASTMAN KODAK CO7 citations72
US5260179ANov 9, 1993
Photographic elements containing imine dyes
EASTMAN KODAK CO11 citations71
US5399690AMar 21, 1995
Filter dyes for photographic elements
EASTMAN KODAK CO4 citations63
US5283165AFeb 1, 1994
Pyrrolinone dyes
EASTMAN KODAK CO2 citations63
US7544425B2Jun 9, 2009
Organic element for electroluminescent devices
EASTMAN KODAK CO6 citations62
US7445736B2Nov 4, 2008
Embossed indicia on foam core imaging media
EASTMAN KODAK CO3 citations62
US7118812B2Oct 10, 2006
Organic element for electroluminescent devices
EASTMAN KODAK CO3 citations62
US7070868B2Jul 4, 2006
Organic element for electroluminescent devices
EASTMAN KODAK CO3 citations62
US6746807B1Jun 8, 2004
Thermally bleachable filter dye compositions comprising benzothiazine-dioxide arylidene dyes and base precursors for use in a photothermographic element
EASTMAN KODAK CO2 citations58
US6730462B1May 4, 2004
Thermally bleachable yellow filter dye compositions barbituric acid arylidene dyes and base precursors
EASTMAN KODAK CO2 citations58
US6558888B1May 6, 2003
Imaging materials containing novel benzothiazine dyes
EASTMAN KODAK CO2 citations57
US7208233B2Apr 24, 2007
Organic element for electroluminescent devices
EASTMAN KODAK CO0 citations51
US5466813ANov 14, 1995
Imine dye and photographic elements containing same
EASTMAN KODAK CO1 citations50
US5464736ANov 7, 1995
Photographic elements containing particular sensitizing dyes
EASTMAN KODAK CO1 citations50
US6881840B2Apr 19, 2005
Benzothiazine dyes for imaging elements
EASTMAN KODAK CO0 citations47
US6743573B1Jun 1, 2004
Black and white silver halide display elements having good light stability
EASTMAN KODAK CO0 citations39
GLOBAL OLED TECHNOLOGY LLC
4 patentsUS7951450B2May 31, 2011
Red color filter element
GLOBAL OLED TECHNOLOGY LLC3 citations63
US7837780B2Nov 23, 2010
Green color filter element
GLOBAL OLED TECHNOLOGY LLC3 citations63
US7999451B2Aug 16, 2011
Blue color filter element
GLOBAL OLED TECHNOLOGY LLC0 citations52
US7973902B2Jul 5, 2011
Display with RGB color filter element sets
GLOBAL OLED TECHNOLOGY LLC1 citations52