POLYHYDROXYALKANOATE CONTAINING UNIT WITH THIENYL STRUCTURE IN THE SIDE CHAIN, PROCESS FOR ITS PRODUCTION, CHARGE CONTROL AGENT, TONER BINDER AND TONER WHICH CONTAIN THIS POLYHYDROXYALKANOATE, AND IMAGE-FORMING METHOD AND IMAGE-FORMING APPARATUS WHICH MAKE USE OF THE TONER
US6777153B2 · kind B2 · utility
24Cited by
12References
40Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 26, 2002 |
| Grant date | Aug 17, 2004 |
| Priority date | — |
| Expiry date | Aug 28, 2022 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S435/877
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A polyhydroxyalkanoate characterized by having in the molecule a unit represented by Chemical Formula (1): wherein n may assume any one integral value within the range of from 1 to 8.Also disclosed are a process for producing the polyhydroxyalkanoate by the use of a microorganism having the ability to produce the polyhydroxyalkanoate and accumulate it in the bacterial body; a charge control agent, a toner binder and a toner which contain this polyhydroxyalkanoate; and an image-forming method and an image-forming apparatus which make use of the toner.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.