Process for producing aromatic-aliphatic copolycarbonate
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Aug 7, 2001
Grant Date -
May 31, 2001
app pub date -
Nov 30, 2000
filing date -
Nov 30, 1999
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A process for producing an aromatic-aliphatic copolycarbonate which is excellent in impact resistance and heat resistance and has large Abbe number, small photoelasticity constant, and excellent color tone. The process comprises conducting polycondensation in a reactor made of a stainless steel comprising at least 12 wt % nickel, at least 22 wt % chromium, and at least 50 wt % iron.
First Claim
Family
International Classification(s)
Cited Art Landscape
Patent Citation Ranking
Advertisement
Advertisement
Advertisement
Recipient Email Address
Recipient Email Address
Comment
Recipient Email Address
Add to Portfolio(s)
To add this patent to one, or more, of your portfolios, simply click the add button.
This Patent is in these Portfolios:
Add to additional portfolios:
Last Refreshed On:
Changes done successfully