Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – From phenol – phenol ether – or inorganic phenolate
Reexamination Certificate
2007-07-17
2007-07-17
Boykin, Terressa (Department: 1711)
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
From phenol, phenol ether, or inorganic phenolate
C264S176100, C264S219000, C428S411100, C525S436000, C525S437000, C528S198000, C528S202000, C528S210000
Reexamination Certificate
active
10534706
ABSTRACT:
There are provided a polycarbonate copolymer (A) which has excellent light resistance and heat resistance and comprises an aromatic dihydroxy component comprising 5 to 95 mol % of fluorene-skeleton-containing dihydroxy compound (1) having a specific structure and 95 to 5 mol % of ordinary bisphenol type dihydroxy compound (2), the content of fluorene-9-one in the copolymer being not higher than 15 ppm; and a polycarbonate composition comprising 0.01 to 5 parts by weight of ultraviolet absorber (B) based on 100 parts by weight of the copolymer (A), and the composition comprising the copolymer.
REFERENCES:
patent: 0591962 (1993-10-01), None
patent: 59-12952 (1984-01-01), None
patent: 6-25401 (1994-02-01), None
patent: 06116383 (1994-04-01), None
patent: 7-52271 (1995-02-01), None
patent: 11-35815 (1999-02-01), None
patent: 11-174424 (1999-07-01), None
patent: 11-306823 (1999-11-01), None
patent: 2001-83489 (2001-03-01), None
Ikeda Koki
Matsui Manabu
Miyake Toshiyuki
Shuto Hiroshi
Tando Kazushi
Boykin Terressa
Teijin Chemicals Ltd.
Wenderoth , Lind & Ponack, L.L.P.
LandOfFree
Polycarbonate copolymer, resin composition, and molded article does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Polycarbonate copolymer, resin composition, and molded article, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Polycarbonate copolymer, resin composition, and molded article will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-3735659