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公开(公告)号:JP4886148B2
公开(公告)日:2012-02-29
申请号:JP2001587023
申请日:2001-05-23
Applicant: 帝人株式会社
IPC: C08G64/06 , C08G64/40 , C08J5/00 , C08J5/18 , C08K3/00 , C08L69/00 , C08L101/00 , G11B7/253 , G11B11/105
CPC classification number: C08G64/403
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2.Manufacturing method and optical disk substrate of polycarbonate composition pellets 有权
Title translation: 空值-
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公开(公告)号:JP3971383B2
公开(公告)日:2007-09-05
申请号:JP2003534493
申请日:2001-10-02
Applicant: 帝人株式会社
IPC: C08L69/00 , A44B5/02 , B29C33/60 , C08K5/06 , C08K5/10 , C08K5/1515 , G11B7/24 , G11B7/253 , G11B7/26
CPC classification number: A44B5/02 , A44D2201/00 , C08K5/1515 , Y10T24/364 , C08L69/00
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公开(公告)号:JP4951192B2
公开(公告)日:2012-06-13
申请号:JP2002526954
申请日:2001-09-07
Applicant: 帝人株式会社
CPC classification number: C08G64/307
Abstract: A polycarbonate having excellent color and stability and a production process therefor.In the production of a polycarbonate by melt polycondensing a dihydroxy compound and a carbonic acid diester in the presence of an ester exchange catalyst, the each content of an aldehyde group in the dihydroxy compound and the carbonic acid diester is reduced to 3x10-6 equivalent/mol or less.
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公开(公告)号:JP4617042B2
公开(公告)日:2011-01-19
申请号:JP2001500708
申请日:2000-05-24
Applicant: 帝人株式会社
IPC: C08L69/00 , C08K5/00 , C08K5/06 , C08K5/101 , C08K5/103 , C08K5/13 , C08K5/156 , C08K5/1565 , C08K5/17 , C08K5/42 , C08K5/50 , C08K5/526 , C08K5/53 , G11B7/253
CPC classification number: C08L69/00 , C08K5/0008 , C08K5/06 , C08K5/101 , C08K5/103 , C08K5/13 , C08K5/156 , C08K5/1565 , C08K5/17 , C08K5/42 , C08K5/50 , C08K5/526 , C08K5/53 , G11B7/2534 , C08L2666/16
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