Victoria Sayer has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
Abstract: A process for recycling a coloured thermoplastic material comprising an absorbed disperse dye comprises contacting the optionally comminuted coloured thermoplastic material with a caustic wash and recovering an at least partly colour-modified thermoplastic composition from the caustic wash.
Type:
Grant
Filed:
December 5, 2005
Date of Patent:
March 26, 2013
Assignee:
Colormatrix Europe Limited
Inventors:
Mark Frost, Fuquan Zeng, Victoria Sayer
Abstract: A process for recycling a coloured thermoplastic material comprising an absorbed disperse dye comprises contacting the optionally comminuted coloured thermoplastic material with a caustic wash and recovering an at least partly colour-modified thermoplastic composition from the caustic wash.
Type:
Application
Filed:
December 5, 2005
Publication date:
September 24, 2009
Inventors:
Mark Frost, Fuquan Zeng, Victoria Sayer
© 2024 Justia
