Patent · US Expired

Method, apparatus, and reactant for removal of paint and epoxies from metallic beverage containers using microorganisms

US5085999A · kind A · utility

8Cited by
0References
16Claims
0Family size

Assignee

Inventors

Key dates

Filing dateAug 31, 1989
Grant dateFeb 4, 1992
Priority date
Expiry dateAug 31, 2009

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY02P10/20
  • WIPO fieldBiotechnology
  • WIPO sectorChemistry

Abstract

A method of removing coatings, such as paint, epoxy resin, comestible polymeric coatings, from the surface of metallic containers, such as aluminum beverage cans, is disclosed. The metallic surfaces of containers are contacted with a mixture of bacteria and nutrient medium. The bacteria used are capable of removing paint, epoxy resins, and coatings from metallic surfaces, and are preferably ATCC #53922 bacteria. Also disclosed is an apparatus suitable for use in the invention, and further described is a reagent for paint removal from beverage cans.

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