A polyhydroxyalkanoate (PHA) comprised of two kinds of units, a 3-hydroxybutyrate (3HB) unit and a 3-hydroxyhexanoate (3HHx) unit is used as a binder resin. This provides a binder resin which is biodegradable and can more highly contribute to the conservation of natural environment....http://www.google.com.au/patents/US6828074?utm_source=gb-gplus-sharePatent US6828074 - Binder resin containing polyhydroxyalkanoate, toner containing the binder resin, and image-forming method and image-forming apparatus which make use of the toner
