Fast drying, film forming iodine release solution
US5660823A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Jun 12, 1996 |
| Grant date | Aug 26, 1997 |
| Priority date | — |
| Expiry date | Jun 12, 2016 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61L2300/404
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
This invention relates to a fast drying iodine complex solution having film forming capability and skin substantivity which solution consists essentially of: PA1 (a) between 1 and 25 wt % polyvinyl pyrrolidone/iodine (PVP/I) complex; PA1 (b) between 5 and 15 wt % vinyl pyrrolidone/vinyl acetate copolymer (PVP/VA); PA1 (c) between 0.5 and 1.5 wt % non-plasticizing polyethylene glycol (PEG); PA1 (d) between 35 and 75 wt % C.sub.1 to C.sub.4 alkanol; PA1 (e) between 12 and 35 wt % deionized water and PA1 (f) between 0 and 2.5 wt % of 1-vinyl-3-(E)-ethylidene pyrrolidone, based on total composition. The invention also relates to the method of preparing the film forming solution which has a drying time of less than 5 minutes.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.