Aromatic polycarbonate resin, process for producing the...

Details Aromatic polycarbonate resin, process for producing the... Aromatic polycarbonate resin, process for producing the...

2006-09-26

2006-09-26

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, C359S642000, C528S198000, C558S268000

Reexamination Certificate

active

07112644

ABSTRACT:
The present invention relates to an aromatic polycarbonate resin which comprises repetitive units originating in residual groups of a 2,2-bis(4-hydroxyphenyl)adamantane compound and a 1,3-bis(4-hydroxyphenyl)adamantane compound having a substituent on an aromatic ring and which is excellent in a transparency, a heat resistance and a mechanical strength and has a good moldability and a production process for the aromatic polycarbonate resin described above in which the adamantane compounds described above are reacted with a carbonic ester-forming compound. Further, it relates to an aromatic polycarbonate resin which is excellent in an optical characteristic and an optical part prepared by molding the same.

REFERENCES:
patent: 3516969 (1970-06-01), Hoagland et al.
patent: 3594427 (1971-07-01), Moore et al.
patent: 6222001 (2001-04-01), Day et al.
patent: 6291631 (2001-09-01), Lemmon et al.
patent: 7-216077 (1995-08-01), None

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