Patent · US Expired

Poly(cyclohexylenedimethylene terephthalate) copolyester molding compositions

US5804617A · kind A · utility

63Cited by
10References
39Claims
0Family size

Assignee

Inventors

Key dates

Filing dateFeb 20, 1997
Grant dateSep 8, 1998
Priority date
Expiry dateFeb 20, 2017

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T428/24496
  • WIPO fieldMacromolecular chemistry, polymers
  • WIPO sectorChemistry

Abstract

This invention relates to a molded object prepared from a copolyester having an inherent viscosity of 0.4 to 1.1 dL/g, PA1 wherein the acid component comprises repeat units from 90 to 40 mole % terephthalic acid and from 10 to 60 mole % of one or more additional dibasic acids selected from the group consisting of isophthalic acid, cyclohexanedicarboxylic acid, naphthalenedicarboxylic acid, diphenyldicarboxylic acid, and stilbenedicarboxylic acid; PA1 wherein the glycol component comprises repeat units from 1,4-cyclohexanedimethanol.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.