Patents by Inventor Bret Ja Chisholm

Bret Ja Chisholm 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: 8283432
    Abstract: A polymer that is a polysiloxane polymer has fluoroquinolone antibiotic groups, or pharmaceutically acceptable salts thereof, attached via linkers. The linkers may be hydrolytically labile thereby providing a manner of releasing the fluoroquinolone antibiotic from the polymer.
    Type: Grant
    Filed: October 28, 2011
    Date of Patent: October 9, 2012
    Assignee: NDSU Research Foundation
    Inventors: Shane Jeremy Stafslien, Bret Ja Chisholm, Alex J. Kugel
  • Patent number: 8278400
    Abstract: Polyamine cross-linked polysiloxanes, such as functionalized polysiloxane cross-linked with a polyalkylenepolyamine are described herein. The polyamine cross-linked polysiloxanes may be used in an antifouling composition to prevent biological fouling in marine environments.
    Type: Grant
    Filed: April 20, 2010
    Date of Patent: October 2, 2012
    Assignee: NDSU Research Foundation
    Inventors: Bret Ja Chisholm, Philip Boudjouk, Johnson Thomas, David Allen Christianson, Shane Jeremy Stafslien
  • Publication number: 20120046313
    Abstract: A polymer that is a polysiloxane polymer has fluoroquinolone antibiotic groups, or pharmaceutically acceptable salts thereof, attached via linkers. The linkers may be hydrolytically labile thereby providing a manner of releasing the fluoroquinolone antibiotic from the polymer.
    Type: Application
    Filed: October 28, 2011
    Publication date: February 23, 2012
    Inventors: Shane Jeremy Stafslien, Bret Ja Chisholm, Alex J. Kugel
  • Patent number: 8071706
    Abstract: A polymer that is a polysiloxane polymer has Levofloxacin groups, or pharmaceutically acceptable salts thereof, attached via linkers. The linkers may be hydrolytically labile thereby providing a manner of releasing the Levofloxacin from the polymer.
    Type: Grant
    Filed: February 10, 2009
    Date of Patent: December 6, 2011
    Assignee: NDSU Research Foundation
    Inventors: Shane Jeremy Stafslien, Bret Ja Chisholm, Alex J. Kugel
  • Publication number: 20110236343
    Abstract: Polysiloxane-based materials, which include metal species, are provided. The polysiloxane-based compositions and materials generally include (i) amino-functional polysiloxane material and (ii) a plurality of metal species distributed within the polymeric material. Polymer based compositions in which the amino-functional polysiloxane material includes quaternary ammonium groups, e.g., tetraalkyl ammonium groups, are examples of suitable materials which may be used to form the present compositions. The metal species, which may be in an oxidized and/or neutral state, may be bonded, coordinated, chelated, suspended, and/or dispersed within the polymeric material.
    Type: Application
    Filed: March 25, 2010
    Publication date: September 29, 2011
    Inventors: Bret Ja Chisholm, Partha Majumdar
  • Publication number: 20110195041
    Abstract: Provided are antimicrobial compositions including at least one biocide covalently bound to a polyurethane. The biocide moiety may comprise triclosan, a triclosan derivative, or a quaternary ammonium salt. Further provided are methods of reducing biofilm formation or microbial growth on a surface, the method including applying to the surface an antimicrobial composition including at least one biocide covalently attached to a polyurethane.
    Type: Application
    Filed: October 12, 2009
    Publication date: August 11, 2011
    Applicant: NDSU RESEARCH FOUNDATION
    Inventors: Bret Ja Chisholm, Dean C. Webster, Alexander John Kugel
  • Publication number: 20110171279
    Abstract: A family of polyethylenimine biocides of formula (I): wherein R1 is hydrogen, a branched ethylenimine, a tethered antimicrobial moiety, or a branched ethylenimine having a tethered antimicrobial moiety is described herein. The polyethylenimine biocides may be used in a variety of consumer products, coatings, coating compositions, and medical devices to prevent growth of microorganisms.
    Type: Application
    Filed: November 2, 2010
    Publication date: July 14, 2011
    Applicant: NDSU RESEARCH FOUNDATION
    Inventors: Bret Ja Chisholm, Shane J. Stafslien, Alexander John Kugel
  • Publication number: 20100204399
    Abstract: Polyamine cross-linked polysiloxanes, such as functionalized polysiloxane cross-linked with a polyalkylenepolyamine are described herein. The polyamine cross-linked polysiloxanes may be used in an antifouling composition to prevent biological fouling in marine environments.
    Type: Application
    Filed: April 20, 2010
    Publication date: August 12, 2010
    Inventors: Bret Ja Chisholm, Philip Boudjouk, Johnson Thomas, David Allen Christianson, Shane Jeremy Stafslien
  • Patent number: 7771833
    Abstract: Polyamine cross-linked polysiloxanes, such as functionalized polysiloxane cross-linked with a polyalkylenepolyamine are described herein. The polyamine cross-linked polysiloxanes may be used in an antifouling composition to prevent biological fouling in marine environments.
    Type: Grant
    Filed: May 8, 2006
    Date of Patent: August 10, 2010
    Assignee: NDSU Research Foundation
    Inventors: Bret Ja Chisholm, Philip Boudjouk, Johnson Thomas, David Allen Christianson, Shane Jeremy Stafslien
  • Publication number: 20100004202
    Abstract: A silsesquioxane cage structure has a general formula [R1SiO1.5]n, wherein, n is an integer greater than or equal to 4; each R1 is an amine-functional siloxy group, a quaternary ammonium-functional siloxy group, or a texturizing moiety. At least one R1 group may optionally be a quaternary ammonium-functional siloxy group. Compositions may be prepared from polymers and the silsesquioxane compounds.
    Type: Application
    Filed: February 11, 2009
    Publication date: January 7, 2010
    Inventors: Bret Ja Chisholm, Partha Majumdar
  • Publication number: 20090215762
    Abstract: A polymer that is a polysiloxane polymer has Levofloxacin groups, or pharmaceutically acceptable salts thereof, attached via linkers. The linkers may be hydrolytically labile thereby providing a manner of releasing the Levofloxacin from the polymer.
    Type: Application
    Filed: February 10, 2009
    Publication date: August 27, 2009
    Inventors: Shane Jeremy Stafslien, Bret Ja Chisholm, Alex J. Kugel
  • Publication number: 20080181862
    Abstract: Functionalized cross-linked polysiloxanes, such as quaternary ammonium terminated cross-linked polyalkylsiloxanes are described herein. The functionalized cross-linked polysiloxanes may be used in an antifouling composition to prevent biological fouling in aqueous and/or marine environments.
    Type: Application
    Filed: January 7, 2008
    Publication date: July 31, 2008
    Inventors: Bret Ja Chisholm, Partha Majumdar, Shane J. Stafslien, Philip Boudjouk
  • Publication number: 20080145545
    Abstract: Disclosed herein are high refractive index coating compositions containing a functionalized metal oxide nanoparticle and sulfur-containing polymerizable components. The composition can be prepared into optical articles via curing processes.
    Type: Application
    Filed: December 15, 2006
    Publication date: June 19, 2008
    Inventors: Bret Ja Chisholm, James Edward Pickett
  • Patent number: 7312290
    Abstract: Curable formulations comprising: (a) at least one multifunctional acrylate having a functionality of at least two, (b) at least one mono-acrylate monomer, (c) at least one heteroatom-containing diacrylate, wherein the heteroatom is sulfur or selenium; and (d) a curing agent, have been discovered. The curable formulations show promise as precursors to high refractive index materials suitable for use in light management devices and other optical devices. In addition the novel curable formulations are useful for producing coatings, which may be useful in forming display films, in particular brightness enhancing display films.
    Type: Grant
    Filed: September 24, 2004
    Date of Patent: December 25, 2007
    Assignee: General Electric Company
    Inventors: Bret Ja Chisholm, James Edward Pickett
  • Patent number: 7294657
    Abstract: A composition comprising a phenylthioethylacrylate, a multifunctional (meth)acrylate, a curing agent, wherein the phenylthioethylacrylate comprises less than about 400 parts per million tin and less than about 2 percent by weight of the corresponding phenylthioethanol. The composition may further comprise at least one unsaturated acid.
    Type: Grant
    Filed: March 7, 2005
    Date of Patent: November 13, 2007
    Assignee: General Electric Company
    Inventors: Daniel Robert Olson, Dennis Joseph Coyle, Christian Andrew Huntley, Bret Ja Chisholm, Paul Michael Smigelski, Jr., Alvin Un-Teh Chen
  • Patent number: 7271283
    Abstract: Disclosed herein are high refractive index monomers that are curable by ultraviolet light. These monomers may be a component of curable compositions useful in the preparation of optical articles. Also disclosed is a method of synthesizing the monomers.
    Type: Grant
    Filed: July 21, 2004
    Date of Patent: September 18, 2007
    Assignee: General Electric Company
    Inventors: Bret Ja Chisholm, Paul Michael Smigelski, Jr., James Edward Pickett
  • Patent number: 7169375
    Abstract: Disclosed is a method of preparing treated metal oxide nanoparticles from sols prepared from metal alkoxides and organosilanes. The treated nanoparticles are useful high refractive index additives in the manufacture of optical articles.
    Type: Grant
    Filed: August 29, 2003
    Date of Patent: January 30, 2007
    Assignee: General Electric Company
    Inventor: Bret Ja Chisholm
  • Patent number: 7087659
    Abstract: A curable composition includes a multifunctional (meth)acrylate; a substituted or unsubstituted arylether (meth)acrylate monomer; and a polymerization initiator. The compositions exhibit high refractive indices and, upon polymerization, the compositions provide films having excellent thermomechanical properties.
    Type: Grant
    Filed: April 21, 2004
    Date of Patent: August 8, 2006
    Assignee: General Electrical
    Inventors: Bret Ja Chisholm, Anne Herrmann
  • Patent number: 7045558
    Abstract: A radiation curable composition comprises a heterocyclic acrylate or heterocyclic methacrylate. The composition is curable to make an optical management article such as an optical management coating on a substrate. A method of making an optical management article, comprises forming a radiation curable composition comprising the heterocyclic acrylate or heterocyclic methacrylate on a substrate and curing the composition to form the optical management article.
    Type: Grant
    Filed: August 29, 2003
    Date of Patent: May 16, 2006
    Assignee: General Electric Company
    Inventors: Bret Ja Chisholm, James Edward Pickett
  • Patent number: 6998425
    Abstract: The present invention is directed to curable acrylate coating compositions and coated articles resulting therefrom. The curable acrylate coating composition comprises at least two polyfunctional acrylate derivatives, at least one photoinitiator and at least one nanoscale filler.
    Type: Grant
    Filed: December 23, 2003
    Date of Patent: February 14, 2006
    Assignee: General Electric Company
    Inventors: Bret Ja Chisholm, James Norman Cawse, Chris Anthony Molaison, Michael Jorlath Brennan, Jr.