Patent · US Expired

Method of making a food or beverage container

US5103550A · kind A · utility

28Cited by
15References
56Claims
0Family size

Assignee

Inventors

Key dates

Filing dateDec 26, 1989
Grant dateApr 14, 1992
Priority date
Expiry dateDec 26, 2009

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T29/49986
  • WIPO fieldSurface technology, coating
  • WIPO sectorChemistry

Abstract

Disclosed is a food or beverage container or container panel comprised of an aluminum alloy body having an integral bottom and wall. An intermediate layer comprised of an aluminum oxide or aluminum hydroxide layer is bonded to the aluminum alloy body and a functionalized layer of an organo phosphonate, organo phosphinate or phosphate ester is bonded to the oxide or hydroxide layer. A polymer layer is bonded to the functionalized layer. The functionalized layer is comprised of the reaction product of phosphonic or phosphinic acid and/or phosphonic acid ester, for example.

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