Process and composition for deinking dry toner electrostatic printed wastepaper
US5302242A · kind A · utility
6Cited by
9References
8Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 20, 1992 |
| Grant date | Apr 12, 1994 |
| Priority date | — |
| Expiry date | Apr 20, 2012 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02W30/64
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
A process and composition for deinking dry toner electrostatic printed wastepaper is disclosed. The composition comprises a combination of at least two of the following components: (a) aliphatic petroleum distillates, (b) an alkylphenoxypoly-(ethyleneoxy) ethanol and (c) an ethoxylated polyoxypropylene glycol. The process comprises administering a sufficient amount of the composition to a sample of electrostatic printed wastepaper for which treatment is desired.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.