Toner for use in developing electrostatic images
US4997739A · kind A · utility
48Cited by
1References
13Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 6, 1990 |
| Grant date | Mar 5, 1991 |
| Priority date | — |
| Expiry date | Feb 6, 2010 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S526/934
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A toner for developing electrostatic images is disclosed which comprises a coloring agent, a styrene homopolymer or copolymer with a vinyl monomer or moners, and polypropylene in an amount between about 0.02 and 40 parts by weight per 100 parts by weight of the styrene homopolymer or copolymer.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.