U.S. patents available from 1976 to present.
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Process for preparing phenyl esters of substituted acids

Patent 5235077 Issued on August 10, 1993. Estimated Expiration Date: Icon_subject March 25, 2011. 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 References

2073937

2659697

Inventors

Assignee

Application

No. 674498 filed on 03/25/1991

US Classes:

554/152, Another reactant is a carboxylic acid salt554/185The treating agent is organic

Examiners

Primary: Dees, Jose G.
Assistant: Carr, Deborah D.

Attorney, Agent or Firm

Foreign Patent References

  • 267047 EP. 05/19/1988
  • 0402047 EP. 12/19/1990
  • 0444742 EP. 09/19/1991

International Class

C07C 051/00

Abstract

An improved process for preparing phenyl esters of alkanoyloxyacetic acids in which phenyl chloroacetate is reacted with the salt of a carboxylic acid.

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