Liquid-dispensing pouch
US4820435A · kind A · utility
51Cited by
7References
5Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | May 2, 1988 |
| Grant date | Apr 11, 1989 |
| Priority date | — |
| Expiry date | May 2, 2008 |
Classification
- Technology area (CPC D)Textiles; Paper
- CPC primaryD06F39/024
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
A liquid-dispensing pouch is provided that has a nonwoven wall which permits repeated releases of the liquid from within the pouch when the wall is wetted on its outer surface with a solvent for the liquid, but prevents seepage of the liquid from within the pouch when the outer surface of the wall is dry.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.