Hot-melt moisture indicator material for disposable articles
US5035691A · kind A · utility
44Cited by
16References
7Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 28, 1990 |
| Grant date | Jul 30, 1991 |
| Priority date | — |
| Expiry date | Jun 28, 2010 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61L15/26
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
Polyester-based hot-melt moisture indicator material for disposable articles containing a polyester, a carboxylic acid and an acid-base indicator.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.