Patent · US Expired

Polyesteramide from amino alcohol with improved gas barrier properties

US4855397A · kind A · utility

4Cited by
4References
5Claims
0Family size

Assignee

Inventors

Key dates

Filing dateNov 17, 1988
Grant dateAug 8, 1989
Priority date
Expiry dateNov 17, 2008

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC08G69/44
  • WIPO fieldMacromolecular chemistry, polymers
  • WIPO sectorChemistry

Abstract

Polyesteramide resins useful for forming containers having improved resistance to gas permeability comprising the reaction product of PA0 (A) a dicarboxylic acid corresponding to the structure ##STR1## wherein X is --O--, --S-- or ##STR2## n.sub.1 is 0 or 1 and R.sub.1 is an aromatic structure containing 6 to 15 carbons, and PA0 (B) An aminoalcohol corresponding to the formula ##STR3## where n.sub.2 is 0 or 1 and R.sub.2 is an alphatic structure of 1 to 12 carbons.

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