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:
Apr. 11, 2017
Filed:
Dec. 06, 2010
Keith Douglas Campbell, Slatington, PA (US);
Shiying Zheng, Center Valley, PA (US);
Shafiq Nisarali Fazel, Allentown, PA (US);
Keith Douglas Campbell, Slatington, PA (US);
Shiying Zheng, Center Valley, PA (US);
Shafiq Nisarali Fazel, Allentown, PA (US);
AIR PRODUCTS AND CHEMICALS, INC., Allentown, PA (US);
Abstract
Substantially solvent-free aqueous polyurethane dispersions and methods of making and using the same are provided. The substantially solvent-free aqueous polyurethane dispersions are provided in a substantially solvent-free system of a prepolymer made by reacting at least one polyol, at least one polyisocyanate, at least one isocyanate-reactive compound comprising one or more ionic or potential ionic groups, and at least one isocyanate chain terminating agent.