Electrostatic reproduction process employing novel transfer paper
US3933489A · kind A · utility
7Cited by
12References
9Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Feb 21, 1974 |
| Grant date | Jan 20, 1976 |
| Priority date | — |
| Expiry date | Feb 21, 1994 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03G7/0066
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
Electrostatic reproduction processes utilizing papers which have a surface resistivity of not more than 0.9-3 .times. 10.sup.11 IPC ohmn/square at a relative humidity of 25 percent and a surface resistivity of not more than 25-60 .times. 10.sup.11 IPC ohms/square at a relative humidity of 10 percent.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.