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:
Sep. 21, 1993
Filed:
May. 13, 1992
Applicant:
Inventors:
Hideo Sawada, Tsukuba, JP;
Masaharu Nakayama, Tsuchiura, JP;
Assignee:
Nippon Oil and Fats Cp., Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08G / ;
U.S. Cl.
CPC ...
528377 ; 252500 ;
Abstract
A hetero-aromatic polymer containing a fluoroalkyl group is a novel polymer and has a polymerization degree of 5 to 5000, the polymer including the following structural unit represented by the general formula (I) of: ##STR1## (wherein R stands for a hydrogen atom or an alkyl group having 1 to 25 carbon atoms, X stands for a sulfur atom, an imino or an oxygen atom, and n is an integer of from 1 to 9.)