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:
Apr. 11, 1989
Filed:
Apr. 15, 1987
Applicant:
Inventors:
William R Darnell, Weber City, VA (US);
Winston J Jackson, Jr, Kingsport, TN (US);
Assignee:
Eastman Kodak Company, Rochester, NY (US);
Primary Examiner:
Int. Cl.
CPC ...
C08G / ;
U.S. Cl.
CPC ...
528271 ; 528206 ; 528207 ; 528220 ; 528364 ;
Abstract
A new process for preparing polyketones (1) from at least one aromatic compound and at least one aromatic, aliphatic, and/or cycloaliphatic dicarboxylic acid or (2) from at least one self-polymerizable aromatic monocarboxylic acid or (3) from a mixture of (1) and (2) is disclosed.