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:
Jan. 23, 1990
Filed:
May. 31, 1988
Applicant:
Inventors:
W Ronald Darnell, Weber City, VA (US);
Winston J Jackson, Jr, Kingsport, TN (US);
Assignee:
Eastman Kodak Company, Rochester, NY (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
C08G / ;
U.S. Cl.
CPC ...
528196 ; 528204 ;
Abstract
Disclosed are polycarbonates of cyclohexylhydroquinone having the recurring units: ##STR1## and copolycarbonates of cyclohexylhydroquinone having the recurring units: ##STR2## The polycarbonates and copolycarbonates of cyclohexylhydroquinone are characterized by their excellent solubility at high solids levels and absence of crystallization problems when used in solutions at high concentrations.