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:
Feb. 05, 2013
Filed:
Oct. 09, 2007
Krzysztof Matyjaszewski, Pittsburgh, PA (US);
KE Min, Albany, CA (US);
Jung Kwon OH, Midland, MI (US);
James Spanswick, Wheaton, IL (US);
Nicolay V. Tsarevsky, Pittsburgh, PA (US);
Krzysztof Matyjaszewski, Pittsburgh, PA (US);
Ke Min, Albany, CA (US);
Jung Kwon Oh, Midland, MI (US);
James Spanswick, Wheaton, IL (US);
Nicolay V. Tsarevsky, Pittsburgh, PA (US);
Carnegie Mellon University, Pittsburgh, PA (US);
Abstract
Functional gel particle formed from a crosslinked polymeric network including a fraction of stable crosslinks and a second fraction of cleavable crosslinks are disclosed. Functional compounds may be chemically or physically encapsulated within and/or released from the gel particle by selective cleavage of the cleavable crosslinks. The functional compounds may be delivered and released to a pre-selected target site. Peripheral or other accessible functionality on the surface of the gel particle allows attachment of a surface reactive agent, thereby modifying one or more surface properties of the gel particle. Processes of preparing the gel particles and processes of delivering the functional compounds to a target site are also disclosed.