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:
Jan. 13, 2009
Filed:
Sep. 22, 2006
Lan Cao, Arlington, MA (US);
David Miller, Wakefield, MA (US);
Eric H. Klingenberg, Emmaus, PA (US);
Shafiq N. Fazel, Allentown, PA (US);
Jared Bender, Coplay, PA (US);
Lan Cao, Arlington, MA (US);
David Miller, Wakefield, MA (US);
Eric H. Klingenberg, Emmaus, PA (US);
Shafiq N. Fazel, Allentown, PA (US);
Jared Bender, Coplay, PA (US);
E Ink Corporation & Air Products and Chemical, Inc., Cambridge, MA (US);
Abstract
A polyurethane is formed from an isocyanate and a polyester diol having a molecular weight less than about 2000, or a polyester diol comprising two polyester diol segments connected by a steric hindrance group, each of the polyester diol segments having a molecular weight less than about 2000. The polyurethane is useful as a binder in electro-optic displays, and in components used to form such displays.