Compositions for bleaching pulps and their use
US10683613B2 · kind B2 · utility
1Cited by
5References
9Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jun 6, 2014 |
| Grant date | Jun 16, 2020 |
| Priority date | — |
| Expiry date | Mar 25, 2036 |
Classification
- Technology area (CPC D)Textiles; Paper
- CPC primaryD21H21/30
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
Compositions suitable for use in the bleaching of pulps may include one or more particulate alkaline earth metal oxides or alkaline earth metal hydroxides or mixtures thereof, and one or more pitch control additives. The compositions may be suitable for use in a pulp preparation or a papermaking process. A method for the bleaching of pulps may include providing the composition.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.