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Primary Examiner: Schwartz, Gerald A.
Assistant Examiner:
Attorney: Jackson; H. G.

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Title: Process for the chlorination of aromatic isocyanide dichlorides

Abstract: This invention relates to a novel process for the preparation of 4-chloro-2-alkylphenylisocyanide dichlorides. More particularly, this invention relates to the chlorination of ortho substituted phenylisocyanide dichlorides exclusively in the para-position. The compounds are useful intermediates in the preparation of ixodicidal, insecticidal, ovicidal and chemosterilizing agents.

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Inventors: Brand, William Wayne (Hopewell, NJ, US)
Reger, David William (Trenton, NJ, US)

Application Number: 355119
Filing Date: 1973-04-27
Publication_date: 1976-01-13
Assignee: American Cyanamid Company (Stamford, CT)
Primary Class(es): 562/803
Other Classes:
US Patent Ref:
Other Refs: Other References: central Patents Index (Derwent Publications Ltd.) Weeks 9, 11 June 1971, Belgian Pat. No. 755,447.