Inventor
GRASSHOFF JURGEN M
US14 patents
Patents
14 patentsUS5667943ASep 16, 1997
Process for thermochemical generation of acid and for thermal imaging, and imaging medium for use therein
POLAROID CORP34 citations96
US5534393AJul 9, 1996
Process for thermochemical generation of acid and for thermal imaging
POLAROID CORP36 citations96
US5401619AMar 28, 1995
Process for thermochemical generation of acid and for thermal imaging, and imaging medium for use therein
POLAROID CORP43 citations96
US5395736AMar 7, 1995
Process for generation of acid and for imaging, and imaging medium for use therein
POLAROID CORP35 citations96
US5278031AJan 11, 1994
Process for thermochemical generation of squaric acid and for thermal imaging, and imaging medium for use therein
POLAROID CORP46 citations96
US5578424ANov 26, 1996
Process for generation of unbuffered super-acid and for imaging
POLAROID CORP22 citations92
US5453345ASep 26, 1995
Imaging medium
POLAROID CORP27 citations92
US5445917AAug 29, 1995
Imaging medium
POLAROID CORP20 citations92
US5334489AAug 2, 1994
Process for generation of squaric acid and for imaging, and imaging medium for use therein
POLAROID CORP24 citations92
US5534388AJul 9, 1996
Process for generation of acid and for imaging, and imaging medium for use therein
POLAROID CORP7 citations74
US6242154B1Jun 5, 2001
Process and composition for generation of acid
POLAROID CORP6 citations73
US6110638AAug 29, 2000
Process and composition for generation of acid
POLAROID CORP7 citations73
US5914213AJun 22, 1999
Process and composition for generation of acid
POLAROID CORP12 citations73
US6307085B1Oct 23, 2001
Process and composition for generation of acid
POLAROID CORP2 citations62