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.

Date of Patent:
Mar. 03, 2015

Filed:

Aug. 21, 2009
Applicants:

Manabu Norimatsu, Chiyoda-ku, JP;

Tomomitsu Onizawa, Chiyoda-ku, JP;

Seiichi Tanabe, Chiyoda-ku, JP;

Inventors:

Manabu Norimatsu, Chiyoda-ku, JP;

Tomomitsu Onizawa, Chiyoda-ku, JP;

Seiichi Tanabe, Chiyoda-ku, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C10C 3/02 (2006.01); G02B 1/04 (2006.01); C08K 5/5393 (2006.01);
U.S. Cl.
CPC ...
G02B 1/041 (2013.01); C08K 5/5393 (2013.01);
Abstract

A method of producing a molded article by melting a granule at a temperature of 280 to 380° C. and molding it, wherein the granule satisfies the following conditions (I) and (II): (I) when 100 parts by weight of the granule is cleaned with 100 parts by weight of a 1N nitric acid aqueous solution, the amount of an Fe compound eluted into the 1N nitric acid aqueous solution cleaning fluid is 1 to 100 ppb in terms of the Fe atom based on the granule; and (II) the granule comprises (A) 100 parts by weight of a polycarbonate resin (component a) and (B) 0.00010 to 0.5 parts by weight of a specific phosphorous-based compound (component b).


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