The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Nov. 12, 1991
Filed:
Dec. 07, 1989
Niles R Rosenquist, Evansville, IN (US);
Edgar E Bostick, Mt. Vernon, IN (US);
General Electric Company, Mt. Vernon, IN (US);
Abstract
Linear polyester are branched by transesterification with resins having repeating or recurring polymer chain units of the formula: ##STR1## wherein m, n and p are each independent integers of 0 or 1; R represents hydrocarbyl; and E represents alkylene containing from 1 to 15 carbon atoms, inclusive, halogen- substituted alkylene of 1 to 15 carbon atoms, inclusive, alkylene of 1 to 15 carbon atoms, inclusive, substituted with a --COOR group where R is as previously defined, or alkylene having 1 to 15 carbon atoms substituted with a monovalent group of the formula: ##STR2## wherein X represents one of hydrogen, hydrocarbyl or ##STR3## wherein R is as defined above; provided there is at least one moiety present, containing an R group.