Patent · US Expired

Cleaning method

US6468359B2 · kind B2 · utility

0Cited by
5References
8Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMar 16, 2001
Grant dateOct 22, 2002
Priority date
Expiry dateMar 16, 2021

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC11D2111/14
  • WIPO fieldChemical engineering
  • WIPO sectorChemistry

Abstract

The invention relates to a method for cleaning a metallic or an enameled surface comprising flooding a metallic surface contaminated with deposits with a mixture comprising (i) water, (ii) chippings of woods selected from the group consisting of merantis, bongossis, mahoganies, sipos, khayas, lauans, and sapellis, and (iii) a member selected from the group consisting of polyaspartic acid, salts of polyaspartic acid, and polysuccinimide, and thereby cleaning the surface.

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