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Jean F. Fayard
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Cran-Gevrier, FR
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Patents Grants
last 30 patents
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Patent Grant
Thermographic recording compositions
Patent number
4,536,219
Issue date
Aug 20, 1985
Societe Anonyme: Aussedat-Rey
Claude R. Riou
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
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Patent Grant
Color developers and thermographic record compositions containing them
Patent number
4,482,378
Issue date
Nov 13, 1984
Societe Anonyme: Aussedat-Rey
Claude R. Riou
C07 - ORGANIC CHEMISTRY