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. 20, 1989
Filed:
May. 27, 1988
Applicant:
Inventors:
Yoichiro Nagai, Yamato, JP;
Hideyuki Matsumoto, Kiryu, JP;
Assignee:
Mitsui Toatsu Chemicals, Incorporated, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07F / ; C07F / ; C07F / ;
U.S. Cl.
CPC ...
556430 ; 556413 ; 556414 ; 556422 ; 556428 ; 423324 ; 423325 ; 423341 ; 423344 ; 423347 ;
Abstract
There is here disclosed a ladder polysilane represented by the general formula (I): ##STR1## wherein n is a positive integer, and R is a halogen atom, a hydrogen atom, a hydroxyl group, an alkyl group, an alkenyl group, an aryl group or an alkoxy group having 20 or less carbon atoms, and the alkyl, alkenyl, aryl or alkoxy group may contain a functional group such as --COOH, --SO.sub.3 H, --NH.sub.2, --NO.sub.2, --NCO, --F, --Cl, --BR, --I or --OH. In addition, a method for preparing the aforesaid ladder polysilane is also disclosed here.