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:
Oct. 29, 2013
Filed:
Oct. 01, 2012
Ryuuji Uchimura, Kitakyushu, JP;
Kazuyuki Takahashi, Chigasaki, JP;
Kenji Tsuruhara, Kitakyushu, JP;
Tomonari Yokoyama, Ashigarashimo-gun, JP;
Ryuuji Uchimura, Kitakyushu, JP;
Kazuyuki Takahashi, Chigasaki, JP;
Kenji Tsuruhara, Kitakyushu, JP;
Tomonari Yokoyama, Ashigarashimo-gun, JP;
Mitsubishi Chemical Corporation, Tokyo, JP;
Mitsubishi Engineering Plastics Corporation, Tokyo, JP;
Abstract
To provide a polycarbonate resin composition having improved flame retardancy and moldability. A polycarbonate resin having a ratio of the melt viscosity ηmeasured at 300° C. at a shear rate of 10 secto the melt viscosity ηmeasured at 300° C. at a shear rate of 1000 sec(η/η) of at least 3 and at most 8, a branch parameter G=[η]/[η]lin of at least 0.80 and at most 0.94, and a pencil hardness of at least HB.