Process for separating a number of sheets into groups
US3963553A · kind A · utility
7Cited by
2References
9Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 11, 1974 |
| Grant date | Jun 15, 1976 |
| Priority date | — |
| Expiry date | Dec 11, 1994 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/24793
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
A process for separating a number of sheets into groups of sheets comprising coating an adhesive composition on an edge of a stack of the sheets and fanning the sheets. The adhesive composition contains a naphthalene sulfonic acid-formaldehyde condensation product and a water-soluble metal salt.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.