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. 12, 2008
Filed:
Dec. 24, 2003
Hatsuhiko Harashina, Fuji, JP;
Shinya Yamada, Fuji, JP;
Hatsuhiko Harashina, Fuji, JP;
Shinya Yamada, Fuji, JP;
Polyplastics Co., Ltd., Tokyo, JP;
Abstract
A flame-retardant resin composition comprises a base resin (A), an organic phosphorus compound (B) having a unit represented by the following formula (1a), and a flame-retardant auxiliary (C). Wherein Ar represents an aromatic hydrocarbon ring or a nitrogen-containing aromatic heterocycle; Xrepresents an oxygen atom or a sulfur atom; Yand Yare the same or different and each represents a hydrocarbon group, an alkoxy group, an aryloxy group, or an aralkyloxy group; Zrepresents an alkylene group, or a nitrogen-containing bivalent group corresponding to an alkylamine; Yand Ymay bind to each other, and Yand Ytogether with the adjacent phosphorus atom may form a ring; 'a' denotes 0 or 1; and 'b' denotes an integer of 1 to 6.