The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Mar. 26, 2013
Filed:
Dec. 05, 2005
Applicants:
Mark Frost, Buxton, GB;
Fuquan Zeng, Cowling, GB;
Victoria Sayer, St. Helens, GB;
Inventors:
Assignee:
Colormatrix Europe Limited, Knowsley, GB;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08J 11/04 (2006.01);
U.S. Cl.
CPC ...
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.