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:
Jun. 28, 1977
Filed:
Nov. 26, 1975
Applicant:
Inventors:
John F White, Cincinnati, OH (US);
Jerome C Bertrand, Cincinnati, OH (US);
Assignee:
Emery Industries, Inc., Cincinnati, OH (US);
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C09F / ; C09F / ; C11C / ;
U.S. Cl.
CPC ...
2604106 ; 2604 / ; 2604 / ; 2604 / ; 2604 / ; 2604 / ; 2604 / ; 2604 / ; 2604 / ; 2604 / ; 260487 ; 2604 / ; 2604 / ; 2604 / ;
Abstract
Ester products are obtained using an immobilized supported transition metal catalyst. Esters and polyesters having improved color and containing virtually no residual metal catalyst can be obtained with this process either by direct esterification or by ester interchange.