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ULTRASTABLE

Ultrastable Color History

Ultrastable Color Systems, founded by long-time Carbro printer Richard Kauffman and Charles Berger, who developed the Archival Color "Permanent Color Print" for Polaroid, began the commercial manufacture of four-color carbon pigment films in 1992.

The Ultrastable process featured a non-toxic sensitizer that replaced the carcinogenic dichromate chemistry that had been used to make carbon prints since the mid-19th century. The UltraStable color print was assembled from four layers of light-stable color pigments and had a predicted display life of several hundred years. By comparison, Kodak’s chromogenic color prints, for example, would show noticeable fading after only 3 years of display. UltraStable soon became the world-wide standard for fine art photographic printmakers including Gerard Aniere in London, Marc Bruhat in Paris and Tod Gangler in Seattle.

New York Times Article:

http://www.nytimes.com/1992/12/06/style/camera-color-almost-too-good-to-be-true.html?pagewanted=2&src=pm