Mass treatment of cellulosic materials
US5208072A · kind A · utility
9Cited by
12References
19Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 13, 1991 |
| Grant date | May 4, 1993 |
| Priority date | — |
| Expiry date | Nov 13, 2011 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07C43/11
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
This invention provides a process for deacidifying paper by contacting the paper with hydrocarbon or halocarbon solutions of certain magnesium and/or zinc alkoxyalkoxides which may have been treated with carbon dioxide to yield low viscosity solutions.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.