Polyester processes for the preparation of toner
US5486444A · kind A · utility
10Cited by
6References
32Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 29, 1994 |
| Grant date | Jan 23, 1996 |
| Priority date | — |
| Expiry date | Aug 29, 2014 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03G9/08793
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A process for the preparation of a crosslinked polyester which comprises the reaction of a diol or a mixture of diols and a diacid, a mixture of diacids or their diesters and a polyhydric alcohol monomer to provide a polyhydroxy functional polyester resin precursor, and subsequently reacting said polyhydroxy functional polyester precursor resin with a dianhydride or diepoxy functional crosslinking component.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.