Process for preparing fluorinated alkyl carboxylate esters

Organic compounds -- part of the class 532-570 series – Organic compounds – Carboxylic acid esters

Reexamination Certificate

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C560S226000

Reexamination Certificate

active

07579498

ABSTRACT:
A process for preparing fluorinated alkyl carboxylate esters comprises reaction of a silver carboxylate or silver carboxylate precursor, such as silver (I) iodide with a fluorinated alkyl iodide and a carboxylic acid. Preferably the fluorinated alkyl iodide has the general formula CF3(CF2)nCH2CH2I, wherein n is an integer in the range of from 1 to 29 and the carboxylic acid is acetic acid, acrylic acid or methacrylic acid.

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Winter et al.; Photopolymerized Acrylate Copolymer Films with Surfaces Enriched in Sulfur Pentafluoride (-SF5) Chemistry; Chem. Mater. 1999, 11, 3044-3049; American Chemical Society; published on Web Oct. 15, 1999.

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