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United States Patent

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United States Patent 3,562,680
Issue Date: February 9, 1971

Current U.S. Class: 8/127.51 ; 424/70.2; 8/127.5; 8/127.6
Current International Class: C07C 323/00 (20060101); C07C 323/25 (20060101); C07C 275/00 (20060101); C07C 275/14 (20060101); C07C 305/00 (20060101); C07C 305/06 (20060101)


For U.S. patent law, rules, and procedures see MPEP.

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