N-(2-Fluoro-4-halo-5-substituted phenyl) hydantoins
Patent 4427438 Issued on January 24, 1984. Estimated Expiration Date: 
May 28, 2002. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.
May 28, 2002. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.Patent References3134663 InventorsAssigneeApplicationNo. 06/383293 filed on 05/28/1982US Classes:504/278, Plural chalcogens bonded directly to ring carbons of the diazole ring548/321.1, Benzene ring bonded directly to the diazole ring564/52The benzene ring is part of a substituent which contains oxygenExaminersPrimary: Schwartz, Richard A.Attorney, Agent or FirmInternational ClassesA01N 43/48 (20060101)A01N 43/50 (20060101) C07D 233/72 (20060101) C07C 205/43 (20060101) C07C 205/26 (20060101) C07C 205/00 (20060101) C07D 233/00 (20060101) Foreign Application Priority Data1981-05-29 JPAbstractA composition comprising an N-(2-fluoro-4-halo-5-substituted phenyl) hydantoin of the formula: ##STR1## wherein X is a chlorine atom or a bromine atom and R1 and R2 are, same or different, each a C1 -C4 alkyl group, a cyclopropyl group, a C3 -C4 alkenyl group or a C3 -C4 alkynyl group and an inert carrier, which is useful as a herbicide.Other References
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