Patents by Inventor Shaoyi Jiang

Shaoyi Jiang has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 8404224
    Abstract: Cationic polymers hydrolyzable to zwitterionic polymers, monomers for making the cationic polymers, surfaces that include the polymers, therapeutic agent delivery systems that include the cationic polymers, methods for administering a therapeutic agent using the delivery systems, and methods for making and using the cationic polymers, monomers, surfaces, and therapeutic agent delivery systems.
    Type: Grant
    Filed: September 14, 2012
    Date of Patent: March 26, 2013
    Assignee: University of Washington
    Inventors: Shaoyi Jiang, Shengfu Chen, Zheng Zhang, Gang Cheng, Hong Xue, Louisa R. Carr
  • Publication number: 20130011363
    Abstract: Cationic polymers hydrolyzable to zwitterionic polymers, monomers for making the cationic polymers, surfaces that include the polymers, therapeutic agent delivery systems that include the cationic polymers, methods for administering a therapeutic agent using the delivery systems, and methods for making and using the cationic polymers, monomers, surfaces, and therapeutic agent delivery systems.
    Type: Application
    Filed: September 14, 2012
    Publication date: January 10, 2013
    Applicant: UNIVERSITY OF WASHINGTON
    Inventors: Shaoyi Jiang, Shengfu Chen, Zheng Zhang, Gang Cheng, Hong Xue, Louisa R. Carr
  • Patent number: 8349966
    Abstract: Marine coatings including cationic polymers hydrolyzable to nonfouling zwitterionic polymers, coated marine surfaces, and methods for making and using the marine coatings.
    Type: Grant
    Filed: May 14, 2010
    Date of Patent: January 8, 2013
    Assignee: University of Washington
    Inventors: Shaoyi Jiang, Hong Xue, Shengfu Chen
  • Publication number: 20120322939
    Abstract: Zwitterionic crosslinking agents, crosslinked zwitterionic hydrogels prepared from copolymerization of zwitterionic monomers with the zwitterionic crosslinking agent, methods for making crosslinked zwitterionic hydrogels, and devices that include and methods that use the crosslinked zwitterionic hydrogels.
    Type: Application
    Filed: May 3, 2012
    Publication date: December 20, 2012
    Applicant: University of Washington through its Center for Commercialization
    Inventors: Shaoyi Jiang, Hong Xue, Wei Yang, Louisa R. Carr
  • Publication number: 20120315239
    Abstract: Zwitterionic polymer and mixed charge copolymer bioconjugates, methods for making and using the bioconjugates.
    Type: Application
    Filed: May 3, 2012
    Publication date: December 13, 2012
    Applicant: University of Washington through its Center for Commercialization
    Inventors: Shaoyi Jiang, Andrew Keefe, Hong Xue
  • Publication number: 20120269870
    Abstract: Reversibly switchable polymers, surfaces that include the polymers, and methods for making and using the polymers and surfaces. The switchable polymers are non-fouling in their zwitterionic form and are antimicrobial in their cationic form.
    Type: Application
    Filed: April 23, 2012
    Publication date: October 25, 2012
    Applicant: University of Washington through its Center for Commercialization
    Inventors: Shaoyi Jiang, Zhiqiang Cao
  • Publication number: 20120259021
    Abstract: Zwitterionic block copolymers and zwitterionic conjugates that advantageously self-assemble into particles, particles assembled from the zwitterionic block copolymers and zwitterionic conjugates, pharmaceutical compositions that include the self-assembled particles, and methods for delivering therapeutic and diagnostic agents using the particles.
    Type: Application
    Filed: May 3, 2012
    Publication date: October 11, 2012
    Applicant: University of Washington through its Center for Commercialization
    Inventors: Shaoyi Jiang, Zhiqiang Cao, Hong Xue, Lei Zhang
  • Patent number: 8268301
    Abstract: Cationic polymers hydrolyzable to zwitterionic polymers, monomers for making the cationic polymers, surfaces that include the polymers, therapeutic agent delivery systems that include the cationic polymers, methods for administering a therapeutic agent using the delivery systems, and methods for making and using the cationic polymers, monomers, surfaces, and therapeutic agent delivery systems.
    Type: Grant
    Filed: November 19, 2008
    Date of Patent: September 18, 2012
    Assignee: University of Washington
    Inventors: Shaoyi Jiang, Shengfu Chen, Zheng Zhang, Gang Cheng, Hong Xue, Louisa R. Carr
  • Publication number: 20110282005
    Abstract: Super-low fouling sulfobetaine and carboxybetaine materials, super-low fouling surfaces and methods of making the surfaces coated with sulfobetaine and carboxybetaine materials, and devices having the super-low fouling surfaces.
    Type: Application
    Filed: December 8, 2010
    Publication date: November 17, 2011
    Applicant: UNIVERSITY OF WASHINGTON
    Inventors: Shaoyi Jiang, Shengfu Chen, Zheng Zhang, Yung Chang
  • Publication number: 20110195104
    Abstract: Cationic polymers hydrolyzable to zwitterionic polymers, monomers for making the cationic polymers, surfaces that include the polymers, and methods for making and using the cationic polymers and surfaces. The cationic polymers include counterions and/or hydrolyzable groups that release active agents.
    Type: Application
    Filed: October 14, 2010
    Publication date: August 11, 2011
    Applicant: UNIVERSITY OF WASHINGTON
    Inventors: Shaoyi Jiang, Gang Cheng, Luo Mi, Hong Xue, Yuting Li
  • Publication number: 20110105712
    Abstract: Zwitterionic polymers having adhesive groups, methods for making the polymers, surfaces having the polymers grafted thereto and grafted therefrom, and methods for making and using the polymer-modified surfaces.
    Type: Application
    Filed: September 27, 2010
    Publication date: May 5, 2011
    Applicant: University of Washington Center for Commercialization
    Inventors: Shaoyi Jiang, Changlu Gao, Guozhu Li, Hong Xue, Norman David Brault, JR.
  • Publication number: 20110097277
    Abstract: Nanoparticles zwitterionic polymers grafted thereto or grafted therefrom, and methods for making and using the nanoparticles. Zwitterionic nanogels, and methods for making and using the nanogels.
    Type: Application
    Filed: November 8, 2010
    Publication date: April 28, 2011
    Applicant: University of Washington
    Inventors: Shaoyi Jiang, Guangwei Jia, Hong Xue, Wei Yang, Lei Zhang
  • Patent number: 7879444
    Abstract: Super-low fouling sulfobetaine and carboxybetaine materials, super-low fouling surfaces and methods of making the surfaces coated with sulfobetaine and carboxybetaine materials, and devices having the super-low fouling surfaces.
    Type: Grant
    Filed: January 28, 2008
    Date of Patent: February 1, 2011
    Assignee: University of Washington
    Inventors: Shaoyi Jiang, Shengfu Chen, Zheng Zhang, Yung Chang
  • Publication number: 20100247614
    Abstract: Hemostatic wound dressings that include cationic polymers and related hydrogels, methods for making and using the wound dressings.
    Type: Application
    Filed: May 14, 2010
    Publication date: September 30, 2010
    Applicant: WASHINGTON, UNIVERSITY OF
    Inventors: Shaoyi Jiang, Hong Xue, Gang Cheng
  • Publication number: 20100249267
    Abstract: Marine coatings including cationic polymers hydrolyzable to nonfouling zwitterionic polymers, coated marine surfaces, and methods for making and using the marine coatings.
    Type: Application
    Filed: May 14, 2010
    Publication date: September 30, 2010
    Applicant: WASHINGTON, UNIVERSITY OF
    Inventors: Shaoyi Jiang, Hong Xue, Shengfu Chen
  • Publication number: 20100099160
    Abstract: Dual-functional nonfouling surfaces and materials, methods for making dual-functional nonfouling surfaces and materials, and devices that include dual-functional nonfouling surfaces and materials. The dual-functional surfaces are nonfouling surfaces that resist non-specific protein adsorption and cell adhesion. The dual-functional surfaces and materials include covalently coupled biomolecules (e.g., target binding partners) that impart specific biological activity thereto. The surfaces and materials are useful in medical diagnostics, biomaterials and bioprocessing, tissue engineering, and drug delivery.
    Type: Application
    Filed: June 29, 2009
    Publication date: April 22, 2010
    Applicant: WASHINGTON, UNIVERSITY OF
    Inventors: Shaoyi Jiang, Zheng Zhang, Shengfu Chen, Hana Vaisocherova
  • Publication number: 20090259015
    Abstract: Nonfouling copolymers and hydrogels comprising positively charged repeating units or latent positively charged repeating units and negatively charged units or latent positively charged units.
    Type: Application
    Filed: February 9, 2009
    Publication date: October 15, 2009
    Applicant: WASHINGTON, UNIVERSITY OF
    Inventors: Shaoyi Jiang, Shengfu Chen
  • Publication number: 20090156460
    Abstract: Cationic polymers hydrolyzable to zwitterionic polymers, monomers for making the cationic polymers, surfaces that include the polymers, therapeutic agent delivery systems that include the cationic polymers, methods for administering a therapeutic agent using the delivery systems, and methods for making and using the cationic polymers, monomers, surfaces, and therapeutic agent delivery systems.
    Type: Application
    Filed: November 19, 2008
    Publication date: June 18, 2009
    Applicant: UNIVERSITY OF WASHINGTON
    Inventors: Shaoyi Jiang, Shengfu Chen, Zheng Zhang, Gang Cheng, Hong Xue, Louisa R. Carr
  • Publication number: 20080181861
    Abstract: Super-low fouling sulfobetaine and carboxybetaine materials, super-low fouling surfaces and methods of making the surfaces coated with sulfobetaine and carboxybetaine materials, and devices having the super-low fouling surfaces.
    Type: Application
    Filed: January 28, 2008
    Publication date: July 31, 2008
    Applicant: WASHINGTON, UNIVERSITY OF
    Inventors: Shaoyi Jiang, Shengfu Chen, Zheng Zhang