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.:

US 7303819 B1

PDF
Full Text
Expired
Date of Patent:
Dec. 04, 2007

Filed:

Mar. 09, 2005
Applicant:

Richard W. Brotzman, Jr., Naperville, IL (US);

Inventor:

Richard W. Brotzman, Jr., Naperville, IL (US);

Assignee:

Nanophase Technologies Corporation, Romeoville, IL (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B32B 5/16 (2006.01);
U.S. Cl.
CPC ...
Abstract

A surface treated particle comprising a plurality of inorganic, metallic, semi-metallic, and/or metallic oxide particles and a star-graft copolymer with looped and/or linear polymeric structure on a star-graft copolymer, obtainable by a heterogeneous polymerization reaction in the particle surface proximity, encapsulating at least a portion of said particles and a method for making the same. The surface treatment comprises: Si (w, x, y, z), where: w, x, y, and z are mole percent tetrafunctional, trifunctional, difunctional, and monofunctional monomeric units, respectively. Product(s) per se, defined as surface treated ZnO and/or TiO2, and the use of the product(s) per se in personal care formulations are excluded.


Find Patent Forward Citations

Brotzman, Jr., Richard. (2007). Surface treatment of nanoparticles to control interfacial properties and method of manufacture (U.S. Patent No. 7303819). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/7303819

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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