Method of making a food or beverage container
US5103550A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Dec 26, 1989 |
| Grant date | Apr 14, 1992 |
| Priority date | — |
| Expiry date | Dec 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.