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. 20, 2010
Filed:
Aug. 18, 2004
Applicants:
Mei LI, Mars, PA (US);
Qiping Zhong, Cupertino, CA (US);
Srikanth Raghunathan, Irwin, PA (US);
Inventors:
Assignee:
NGX, Inc., Pittsburgh, PA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C09C 1/02 (2006.01);
U.S. Cl.
CPC ...
Abstract
In one embodiment the invention is a hydrophobic nano-talc composition that is the reaction product of nano-talc with an ammonium, pyridinium or phosponium salt. The composition is characterized by a carbon content of about 5 to about 25 wt %. The compositions are useful in preparing nano-talc/polymer composites. In another embodiment, the invention is a process for preparing a nano-talc composition of the invention.