Process and composition for deinking dry toner electrostatic printed wastepaper
US5141598A · kind A · utility
16Cited by
7References
8Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 25, 1991 |
| Grant date | Aug 25, 1992 |
| Priority date | — |
| Expiry date | Apr 25, 2011 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02W30/64
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
A composition and method for deinking dry toner electrostatic printed wastepaper is disclosed. The composition comprises a combination of: (1) aliphatic petroleum distillates, (2) an alkylphenoxypoly-(ethyleneoxy) ethanol, and (3) an ethoxylated polyoxypropylene glycol. The method comprises administering a sufficient amount of this combination to a sample of electrostatic printed wastepaper for which treatment is desired.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.