Title: Catalysts for reaction of carboxylic acids with polyepoxides

Abstract: Improved products and reaction conditions for preparing the same result from the reaction at elevated temperatures using a combination of a trisubstituted phosphine and a soluble chromium compound as catalyst for reacting a polyepoxide with carboxylic acids composed essentially of a dicarboxylic acid, an ethylenically unsaturated monocarboxylic acid and, optionally, a saturated monocarboxylic acid.

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Inventors: Bogan, Gary W. (Lake Jackson, TX, US)

Application Number: 839970
Filing Date: 1977-10-06
Publication_date: 1979-02-27
Assignee: The Dow Chemical Company (Midland, MI)
Primary Class(es): 528/89 525/502, 525/507, 525/508, 525/531, 525/533, 528/111.3, 528/115, 528/365
Other Classes:
US Patent Ref:

3256226	Jun, 1966	Fekete	260/836.
3466259	Sep, 1969	Jernigan	260/836.
3564074	Feb, 1971	Swisher	260/836.
3634542	Jan, 1972	Dowd	260/836.
3720592	Mar, 1973	Mani	260/836.
3810825	Mar, 1974	Mani	260/836.
3810826	Mar, 1974	Mani	260/836.
3933935	Jan, 1976	Zachariades	260/836.

Other Refs: 871767

Jun, 1961	GB.

Primary Examiner: Lieberman, Paul
Assistant Examiner:
Attorney: