Patent · US Expired

Cleaning method using a mixture containing wood chippings and, optionally, polyaspartic acid and/or a derivative of a polyaspartic acid

US6231680A · kind A · utility

2Cited by
5References
3Claims
0Family size

Assignee

Inventors

Key dates

Filing dateFeb 16, 2000
Grant dateMay 15, 2001
Priority date
Expiry dateFeb 16, 2020

Classification

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

Abstract

A method for cleaning a surface by flooding and thereby cleaning a surface contaminated with deposits with a mixture containing water, wood chippings, and optionally, polyaspartic acid or a derivative of a polyaspartic acid.

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