Method for using urea hydrochloride
US5672279A · kind A · utility
47Cited by
13References
5Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 25, 1994 |
| Grant date | Sep 30, 1997 |
| Priority date | — |
| Expiry date | Apr 25, 2014 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC02F2103/42
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
A method to remove the build-up of water-insoluble metal salts on surfaces, and a method to lower the solids content of industrial liquids that contain water-insoluble metal salts using urea hydrochloride or its equivalent. Also disclosed is a method to use urea hydrochloride or an equivalent strong acid/weak base salt as acid replacements for a variety of purposes.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.