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. 06, 1997
Filed:
May. 01, 1995
Michio Kobayashi, Sakai, JP;
Daicel Chemical Industries, Ltd., Osaka, JP;
Abstract
A flame-retardant (C) of a nuclearly alkylated aromatic phosphoric acid ester of the following formula (I) and a fluororesin (D) such as polytetrafluoroethylene are added to 100 parts by weight of a mixture of thermoplastic resins comprising an aromatic polycarbonate (A) and a styrenic resin (B) comprising at least a rubber-modified styrenic resin: ##STR1## wherein (i) at least one of R.sup.1 to R.sup.4 is either a 2,3-, a 3,4-, or 3,5-dialkylphenyl group, each alkyl group having 1 to 3 carbon atoms, A is a phenylene group, n denotes an integer of 0 to 5, and R.sup.1 to R.sup.4 contain both the dialkylphenyl group and a monoalkylphenyl group; or (ii) at least one of R.sup.1 to R.sup.4 is a phenyl group substituted with 1 to 5 alkyl groups each having 1 to 4 carbon atoms, A is 1,3-phenylene group and n denotes an integer of 1 to 5. The flame-retardant (C) may be a mixture of the compound (i) and the compound (ii).