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 date | Feb 16, 2000 |
| Grant date | May 15, 2001 |
| Priority date | — |
| Expiry date | Feb 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.