Microfibrillated oxycellulose dispersions
US5580974A · kind A · utility
7Cited by
3References
17Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 11, 1995 |
| Grant date | Dec 3, 1996 |
| Priority date | — |
| Expiry date | Apr 11, 2015 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61Q17/02
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
Microfibrillated oxycellulose suitable for use as a carrier in agricultural, cosmetic, and topical and transdermal drug products, and as a binder and disintegrant in the making of tablets, is prepared by the oxidation of cellulosic materials with persulfate salts in water, with or without the presence of an aqueous inorganic acid, or in glacial or aqueous acetic acid.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.