P

Inventor

KITCHIN JONATHAN P

GB18 patents
⚠️ This page may combine multiple inventors who share the name “KITCHIN JONATHAN P”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

MINNESOTA MINING & MFG

14 patents
US5135842AAug 4, 1992

Thermal dye bleach construction

MINNESOTA MINING & MFG40 citations92
US5314795AMay 24, 1994

Thermal-dye-bleach construction comprising a polymethine dye and a thermal carbanion-generating agent

MINNESOTA MINING & MFG34 citations91
US4705745ANov 10, 1987

Photographic materials and color proofing system

MINNESOTA MINING & MFG42 citations91
US4581325AApr 8, 1986

Photographic elements incorporating antihalation and/or acutance dyes

MINNESOTA MINING & MFG43 citations91
US4515888AMay 7, 1985

Cyanine dyes for sensitizing silver halide emulsions to infrared radiation and photographic elements including them

MINNESOTA MINING & MFG23 citations81
US5266452ANov 30, 1993

Photographic element containing a thermal dye bleach system

MINNESOTA MINING & MFG16 citations73
US4777118AOct 11, 1988

Process for the formation of high contrast negative images and silver halide photographic element

MINNESOTA MINING & MFG12 citations73
US5324627AJun 28, 1994

Tetra-alkylammonium phenylsulfonylacetate thermal-dye-bleach agents

MINNESOTA MINING & MFG10 citations72
US4814827AMar 21, 1989

Photographic color proofing apparatus

MINNESOTA MINING & MFG7 citations72
US4746593AMay 24, 1988

Silver halide radiation-sensitive photographic materials

MINNESOTA MINING & MFG14 citations72
US4472497ASep 18, 1984

White light handleable photographic materials

MINNESOTA MINING & MFG7 citations70
US4526860AJul 2, 1985

Photographic process

MINNESOTA MINING & MFG6 citations62
US5384237AJan 24, 1995

Quaternary-ammonium phenylsulfonylacetate thermal-dye-bleach agents

MINNESOTA MINING & MFG3 citations61
US4824770AApr 25, 1989

Continuous tone color imaging using laser or light emitting diode sources

MINNESOTA MINING & MFG3 citations60

3M INNOVATIVE PROPERTIES CO

3 patents

ENGLE LORI P

1 patent