Color imaging process > Chromatic image produced from achromatic reproduction image > Blue or brown print forming > Patents

Browse by:

Browse by Category: Main > Chemistry

Class Information
Number: 430/368
Name: Radiation imagery chemistry: process, composition, or product thereof > Color imaging process > Chromatic image produced from achromatic reproduction image > Blue or brown print forming
Description: Processes wherein a radiation sensitive iron compound containing medium is imaged to produce a blue or blue-like image, or a brown or brown-like image.

Patents under this class:

Patent Number	Title Of Patent	Date Issued
6348293	Radiographic film material exhibiting increased covering power and "colder" blue-black image tone	Feb. 19, 2002
6342338	Silver halide photographic material exhibiting increased covering power and "colder" blue-black image tone	Jan. 29, 2002
6083671	Photographic developer for direct production of equidensity images on a high contrast film	Jul. 4, 2000
5418116	Image toning of black-and-white images formed utilizing color dye forming couplers	May. 23, 1995
5314781	Process for developing blueprints utilizing ammonia developer containing sodium chlorite to reduce ammonia odor in the developed blueprint paper	May. 24, 1994
5108869	Diazo reprographic paper with substantially transparent, flexible polymeric sheet protective layer	Apr. 28, 1992
4117365	Continous photocathode for X-ray radiography having two-dimensional array of apertures	Sep. 26, 1978
3975563	Image transfer sheet material	Aug. 17, 1976