Starch bound paper
US4378271A · kind A · utility
57Cited by
6References
1Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 10, 1980 |
| Grant date | Mar 29, 1983 |
| Priority date | — |
| Expiry date | Oct 10, 2000 |
Classification
- Technology area (CPC D)Textiles; Paper
- CPC primaryD21H17/68
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
Non-asbestos alternatives to starch-bound asbestos papers comprise a matrix of unfired ball clay which is reinforced by vitreous fibres derived from wool-form materials and by organic web-forming fibres, the whole being bound together by hydrolysed starch.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.