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US 4,774,344 AGranted
2,2-bis-phenol dioxolanes monomers
AssigneeAmoco Corporation
InventorDonald R. Kelsey
Life of this patent
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Abstract
Described herein are novel monomers, polyketals derived from such monomer, improved process for the production of such monomers and a process for producing the polyketals.
Claims6
A compound of the formula:
- ##STR22## wherein R' is hydrogen or --C(O)R"', wherein R"' is aryl or an alkyl group containing from 1 to about 20 carbon atoms, R" is independently selected from the group consisting of hydrogen, alkyl, aryl, arylalkyl containing up to about 20 carbon atoms, E is selected from the group consisting of a single bond and a double bond.
A compound of the formula:
- ##STR23## or the carboxylic acid esters thereof.
A compound of the fomrula:
- ##STR24## or the carboxylic acid esters thereof.
A compound of the formula:
- ##STR25## or the carboxylic acid esters thereof.
A compound of the formula:
- ##STR26## or the carboxylic acid esters thereof.
A compound of the formula:
- ##STR27## or the carboxylic acid esters thereof.
Dependencies are inferred from the claim text.