Patent · US Expired

Polyamide compositions

US4728548A · kind A · utility

2Cited by
5References
14Claims
0Family size

Assignee

Inventor

Key dates

Filing dateFeb 9, 1987
Grant dateMar 1, 1988
Priority date
Expiry dateFeb 9, 2007

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T428/31725
  • WIPO fieldMacromolecular chemistry, polymers
  • WIPO sectorChemistry

Abstract

A polyamide for use in fabrication of containers having good oxygen barrier properties and a high heat deflection temperature. The polyamides are prepared from benzylsuccinic acids and piperazines.

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