Polytrimethylene terephthalate composition particles and process for producing same
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Feb 19, 2008
Grant Date -
May 19, 2005
app pub date -
Mar 14, 2003
filing date -
Mar 18, 2002
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
Poly(trimethylene terephthalate) composition particles comprising 80% by weight or more of trimethylene terephthalate units based on the entire repeating units, having an intrinsic viscosity from 0.8 to 2 dl/g, and satisfying the following conditions (a) to (c): (a) the composition particles have a particle size of 3 mm or less and a weight of less than 1 mg/particle; (b) the composition particles have a terminal carboxyl group content of 25 meq/kg or less; and (c) the composition particles have a cyclic dimer content of 1.5% by weight or less.
First Claim
Family
International Classification(s)
Cited Art Landscape
Patent Citation Ranking
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