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US 4,229,559 AGranted
Novel bis(half ester) and compositions containing the same
AssigneeUnion Carbide Corporation
InventorsRobert J. Cotter, Hugh C. Gardner
Life of this patent
Estimating the term…
Abstract
This invention is directed to a half ester characterized by the following empirical formula: ##STR1## wherein n is a number having an average value of 1.7 to 2, and m is equal to 2-n. Also described herein is a composition comprising said half ester, maleic anhydride and an ethylenically unsaturated monomer, wherein at least 75 mole percent of the half ester is in the maleate form.
Claims6
A half ester characterized by the following empirical formula:
- ##STR5## wherein n is a number having an average value of 1.7 to 2 and m is equal to 2-n.
A composition comprising
- (a) a half ester characterized by the following empirical formula:
- ##STR6## wherein n is a number having an average value of 1.7 to 2, and m is equal to 2-n,
- (b) maleic anhydride, and
- (c) an ethylenically unsaturated monomer, wherein 75 mole percent of the half ester (I) is in the maleate form.
1 more element
Dependencies are inferred from the claim text.