Inventor
WRIGHT RICHARD F
US25 patents
⚠️ This page may combine multiple inventors who share the name “WRIGHT RICHARD F”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
MEAD CORP
20 patentsUS4440846AApr 3, 1984
Photocopy sheet employing encapsulated radiation sensitive composition and imaging process
MEAD CORP242 citations98
US4399209AAug 16, 1983
Transfer imaging system
MEAD CORP407 citations98
US4416966ANov 22, 1983
Capsular imaging system comprising decolorizing agent
MEAD CORP92 citations96
US4903991AFeb 27, 1990
Document security system
MEAD CORP32 citations92
US4482624ANov 13, 1984
Photosensitive material employing encapsulated radiation sensitive composition and process for improving sensitivity by sequestering oxygen
MEAD CORP27 citations91
US4448516AMay 15, 1984
Developer roll
MEAD CORP55 citations91
US4622282ANov 11, 1986
Photographic method for forming images on plain paper
MEAD CORP22 citations81
US4365018ADec 21, 1982
Imaging element and an imaging technique
MEAD CORP25 citations79
US4865943ASep 12, 1989
Method for forming images using free flowing photosensitive microcapsules
MEAD CORP15 citations74
US4788124ANov 29, 1988
Thermal recording method and material
MEAD CORP15 citations74
US4687725AAug 18, 1987
Method for forming relief images and photosensitive material useful therein
MEAD CORP17 citations74
US5053309AOct 1, 1991
Color image-forming process
MEAD CORP15 citations73
US4842981AJun 27, 1989
Imaging system
MEAD CORP12 citations73
US4533615AAug 6, 1985
Abrasion development
MEAD CORP14 citations73
US4675269AJun 23, 1987
Free particle abrasion development of imaging sheets employing photosensitive microcapsules
MEAD CORP10 citations72
US4578340AMar 25, 1986
Free particle abrasion development of imaging sheets employing photosensitive microcapsules
MEAD CORP15 citations72
US4816371AMar 28, 1989
Negative-working imaging method employing encapsulated photohardenable compositions
MEAD CORP6 citations63
US5153634AOct 6, 1992
Imaging system
MEAD CORP4 citations62
US4476213AOct 9, 1984
Non-aqueous silver halide diffusion imaging system
MEAD CORP1 citations47
US4507381AMar 26, 1985
Non-aqueous silver halide diffusion imaging system
MEAD CORP0 citations36
POLAROID CORP
3 patentsUS3933594AJan 20, 1976
Method and device for determining the concentration of a substance in a fluid
POLAROID CORP53 citations93
US3936357AFeb 3, 1976
Method and device for determining the concentration of a substance in a fluid
POLAROID CORP34 citations89
US4106861AAug 15, 1978
Reduced haze photochromic systems
POLAROID CORP15 citations72