Detail of "6843-49-8"

Reference

Hydantoin compounds as antifoggants, print stabilizers, and speed enhancers for photothermographic elements

Hydantoin compounds as antifoggants, print stabilizers, and speed enhancers for photothermographic elements. Manganiello, Frank J.; Wei, Kwo-Tsair H.; Frank, William C. (Minnesota Mining and Mfg. Co., USA). Can. Pat. Appl. CA 2173185 AA 3 Nov 1996, 49 pp. (English). (Canada). CODEN: CPXXEB. CLASS: ICM: G03C001-498. ICS: G03C001-34. APPLICATION: CA 1996-2173185 1 Apr 1996. PRIORITY: US 1995-432983 2 May 1995. DOCUMENT TYPE: Patent CA Section: 74 (Radiation Chemistry, Photochemistry, and Photographic and Other Reprographic Processes) Hydantoin compds. represented by the formula I (R1, R2 = H, C1-20 alkyl, C1-20 alkenyl, C1-14 aryl, C1-14 aralkyl, C1-10 carboxyalkyl, C1-12 alkoxycarbonyl, C1-7 cycloalkyl, or carboxyl or R1 and R2 together may form a 5-, 6-, or 7-membered carbocyclic or heterocyclic ring; R3, R4 = H, C1-20 alkyl, C1-20 alkenyl, C1-14 aryl, C1-20 aralkyl, C1-7 cycloalkyl, hydroxyl, or carboxyl or R3 and R4 together may form a 5-, 6-, or 7-membered carbocyclic or heterocyclic ring) have been found to function as antifoggants and post-processing print stabilizers in photothermog. elements.Except for chemicals metioned above, 6843-49-8 and 57-41-0 are also used. .