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:
Oct. 25, 2005
Filed:
May. 22, 2003
Lan Cao, Arlington, MA (US);
Charles Howie Honeyman, Arlington, MA (US);
Kimberly L. Houde, Brighton, MA (US);
Andrew L. Loxley, Somerville, MA (US);
David D. Miller, Wakefield, MA (US);
Richard J. Paolini, Jr., Arlington, MA (US);
Tibyron Quinn, Medford, MA (US);
Michael L. Steiner, Methuen, MA (US);
Thomas H. Whitesides, Cambridge, MA (US);
Libing Zhang, Sharon, MA (US);
Lan Cao, Arlington, MA (US);
Charles Howie Honeyman, Arlington, MA (US);
Kimberly L. Houde, Brighton, MA (US);
Andrew L. Loxley, Somerville, MA (US);
David D. Miller, Wakefield, MA (US);
Richard J. Paolini, Jr., Arlington, MA (US);
Tibyron Quinn, Medford, MA (US);
Michael L. Steiner, Methuen, MA (US);
Thomas H. Whitesides, Cambridge, MA (US);
Libing Zhang, Sharon, MA (US);
E Ink Corporation, Cambridge, MA (US);
Abstract
An encapsulation material, intended for use in encapsulated electrophoretic displays, comprises the coacervation product of a polyanionic polymer having a vinyl main chain and a plurality of anionic groups bonded to the main chain, with a cationic or zwitterionic water-soluble polymer capable of forming an immiscible second phase on contact with the polyanionic polymer.