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:
Nov. 17, 1998
Filed:
Aug. 23, 1996
Applicant:
Inventors:
Toshihiko Chen, Tokyo, JP;
Yoshiaki Nakamura, Tokyo, JP;
Tetsunori Sato, Tokyo, JP;
Yoshiyuki Morikawa, Tokyo, JP;
Assignee:
Tohto Kasei Co., Inc., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08G / ;
U.S. Cl.
CPC ...
528102 ; 528103 ; 528104 ; 524114 ; 524373 ; 524374 ; 525107 ; 525109 ; 525115 ; 525423 ; 525430 ; 525438 ; 525442 ; 525449 ; 525396 ; 525463 ; 525522 ; 525534 ;
Abstract
A fire-retardant compound including bromine indicated by general formula (1), wherein the end group X and Y are comprised by A or B shown in formula (2), and the said fire-retardant compound is a mixture of the composition including 15 to 30% of X=Y=A, the composition including 40 to 60% of X=A and Y=B and the composition including 20 to 35% of X=Y=B, and degree of polymerization n is indicated by an integral number from 0 to 30, and a flame-retarded thermoplastic resin including said fire-retardant compound. ##STR1##