Mass treatment of cellulosic materials
US5104997A · kind A · utility
10Cited by
18References
15Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 20, 1990 |
| Grant date | Apr 14, 1992 |
| Priority date | — |
| Expiry date | Dec 20, 2010 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/31993
- 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.