Sulphur dioxide-liberating, sterilizing composition and method of using same
US4490330A · kind A · utility
2Cited by
5References
10Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 8, 1983 |
| Grant date | Dec 25, 1984 |
| Priority date | — |
| Expiry date | Feb 8, 2003 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA01N59/02
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
A composition which is capable of releasing sulphur dioxide in the presence of water over an extended period contains a sulphur dioxide-liberating compound and hydroquinone. The composition may also contain thio urea and/or a phosphate buffer. The compositions are used to sterilize soiled articles, such as surgical and sanitary dressings, which have been placed in temporary disposal units prior to permanent disposal.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.