Pressure sensitive manifold sheet
US4704379A · kind A · utility
11Cited by
4References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 3, 1986 |
| Grant date | Nov 3, 1987 |
| Priority date | — |
| Expiry date | Mar 3, 2006 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB41M5/132
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
A pressure sensitive manifold sheet characterized in that a chelate record material comprising an iron (III) compound and/or a vanadium compound, and an aromatic compound having at least one of hydroxyl group and mercapto group on the aromatic ring in combination therewith is used further in combination with an infrared absorbing organic compound.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.