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:
Jul. 19, 2005
Filed:
Feb. 16, 2001
Edwin Hugh Nungesser, Horsham, PA (US);
John Michael Friel, Warminster, PA (US);
Joseph David Tanzer, Fort Washington, PA (US);
Jerry William Washel, Harleysville, PA (US);
Edwin Hugh Nungesser, Horsham, PA (US);
John Michael Friel, Warminster, PA (US);
Joseph David Tanzer, Fort Washington, PA (US);
Jerry William Washel, Harleysville, PA (US);
Rohm and Haas Company, Philadelphia, PA (US);
Abstract
A number of stable opacifying mixtures are disclosed which contain specific combinations and levels of titanium dioxide, thickeners, and dispersants. These stable mixtures may be employed in a method of making paints using prepaints or as a conventional component in a coating such as a paint, or in other end-uses where opacifying pigments are employed.