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:
Aug. 31, 1993
Filed:
Sep. 03, 1991
David M Teegarden, Rochester, NY (US);
Robert J Perry, Pittsford, NY (US);
S Richard Turner, Pittsford, NY (US);
David R Fagerburg, Kingsport, TN (US);
Eastman Kodak Company, Rochester, NY (US);
Abstract
A process for the preparation of aromatic imide sulfide polymers and polymers produced. In the process, elemental sulfur is reacted with a compound having the general formula ##STR1## wherein Z.sup.1 is a direct link and Z.sup.2 is H, or Z.sup.1 has the general structure ##STR2## or Z.sup.1 and Z.sup.2 together complete a moiety having the general structure ##STR3## n= 0-4 . R.sup.1 is substituted or unsubstituted: aryl or heteroaryl. ##STR4## which R.sup.3 is an independently selected aryl group, m is an integer from 1 to 12, and j is an integer from 0 to 300.