Cellular cellulosic wiping material
US4940631A · kind A · utility
5Cited by
4References
16Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 28, 1988 |
| Grant date | Jul 10, 1990 |
| Priority date | — |
| Expiry date | Jul 28, 2008 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/249981
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
The invention relates to a cellular cellulosic wiping material consisting of a cellular cellulosic substrate covered on at least one side with an expanded latex foam obtained from an aqueous latex composition having a viscosity of between 2500 and 3500 mPa.s, measured at 20.degree. C. under 65% humidity, and giving a foam density of between 250 and 400 g/l.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.