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:
May. 07, 1991
Filed:
May. 16, 1989
Kouji Ishihata, Sagamiha, JP;
Youichi Hironaka, Mihara, JP;
Hisanaga Shimizu, Mihara, JP;
Kazuo Kitamura, Mihara, JP;
Takeshi Imagawa, Mihara, JP;
Teijin Chemicals, Ltd., Tokyo, JP;
Abstract
A flame-retardant polycarbonate resin composition comprising 100 parts by weight of a polycarbonate resin and 0.001 to 5.0 parts by weight of at least one metal salt of an organic phosphoric acid ester represented by the following general formula [I] ##STR1## wherein R.sub.1 and R.sub.2, independently from each other, represent an alkyl or aryl group which is substituted or unsubstituted by halogen, at least one of R.sub.1 and R.sub.2 is an aryl group and when both R.sub.1 and R.sub.2 are aryl groups, they may be bonded to each other either directly or through an alkylene group or may form one fused ring, and M represents an alkali metal, and optionally 0.01 to 2.0 parts by weight of a micro-fibrous polytetrafluoroethylene.