Process for the preparation of crystalline copolyesters
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Feb 16, 1993
Grant Date -
N/A
app pub date -
Apr 18, 1991
filing date -
Apr 18, 1991
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
Disclosed is a process for the preparation of crystalline copolyesters from substantially amorphous, diethylene glycol-containing copolyesters wherein the a zeolite is incorporated in the substantially amorphous copolyester to promote crystallization upon heating a particulate form of the resulting copolyester at crystallizing effective temperatures.
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