Lowering of the pH of textile processing solutions by adding urea sulfate as a pH adjusting agent
US5234466A · kind A · utility
28Cited by
6References
8Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 24, 1992 |
| Grant date | Aug 10, 1993 |
| Priority date | — |
| Expiry date | Jul 24, 2012 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC02F2103/42
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
A method for the adjustment of pH in textile processing solutions that includes the use of urea sulfate or other strong acid in the presence of a weak base.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.