Patents by Inventor James G. Shelnut

James G. Shelnut 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: 8338800
    Abstract: Disclosed are photoluminescent fibers containing photoluminescent phosphorescent materials and photoluminescent fluorescent materials which emit electromagnetic energies to give an emission signature. Also disclosed are the use of the inventive fibers, fabrics made therefrom, and objects containing the fiber.
    Type: Grant
    Filed: May 24, 2012
    Date of Patent: December 25, 2012
    Assignee: Performance Indicator, LLC
    Inventors: Timothy E. Bortz, Satish Agrawal, James G. Shelnut
  • Publication number: 20120237752
    Abstract: Disclosed are photoluminescent fibers containing photoluminescent phosphorescent materials and photoluminescent fluorescent materials which emit electromagnetic energies to give an emission signature. Also disclosed are the use of the inventive fibers, fabrics made therefrom, and objects containing the fiber.
    Type: Application
    Filed: May 24, 2012
    Publication date: September 20, 2012
    Applicant: Performance Indicator, LLC
    Inventors: Timothy E. Bortz, Satish Agrawal, James G. Shelnut
  • Patent number: 8207511
    Abstract: Disclosed are photoluminescent fibers containing photoluminescent phosphorescent materials and photoluminescent fluorescent materials whose emission signature lies partly or fully in the infrared region of the electromagnetic spectrum. Also disclosed are the use of the inventive fibers, fabrics made therefrom, and objects containing the fiber.
    Type: Grant
    Filed: June 5, 2009
    Date of Patent: June 26, 2012
    Assignee: Performance Indicator, LLC
    Inventors: Timothy E. Bortz, Satish Agrawal, James G. Shelnut
  • Patent number: 8053160
    Abstract: An imaging composition, article and method of imaging are disclosed. The imaging composition is energy sensitive such that upon application of a sufficient amount of energy to the composition a color or shade change is affected. The imaging composition is coated on an article to form an energy sensitive article, which may be used in marking work pieces.
    Type: Grant
    Filed: July 13, 2005
    Date of Patent: November 8, 2011
    Assignee: Rohm and Haas Electronic Materials LLC
    Inventors: Robert K. Barr, James T. Fahey, Corey O'Connor, James G. Shelnut
  • Patent number: 8048606
    Abstract: An imaging method is disclosed. An imaging composition is coated on a work piece followed by applying a sufficient amount of energy from a 3-D imaging system to form an image on the coated work piece. The image may be a logo or marker for alignment of parts.
    Type: Grant
    Filed: March 17, 2006
    Date of Patent: November 1, 2011
    Assignee: Rohm and Haas Electronic Materials LLC
    Inventors: Robert K. Barr, James T. Fahey, Corey O'Connor, James G. Shelnut
  • Patent number: 7977026
    Abstract: An imaging method is disclosed. An imaging composition is coated on a work piece followed by applying a sufficient amount of energy from a 3-D imaging system to form an image on the coated work piece. The image may be a logo or marker for alignment of parts.
    Type: Grant
    Filed: February 6, 2004
    Date of Patent: July 12, 2011
    Assignee: Rohm and Haas Electronic Materials LLC
    Inventors: Robert K. Barr, James T. Fahey, Corey O'Connor, James G. Shelnut
  • Patent number: 7749685
    Abstract: An imaging method is disclosed. An imaging composition is coated on a work piece followed by applying a sufficient amount of energy from a 3-D imaging system to form an image on the coated work piece. The image may be a logo or marker for alignment of parts.
    Type: Grant
    Filed: March 17, 2006
    Date of Patent: July 6, 2010
    Assignee: Rohm and Haas Electronic Materials LLC
    Inventors: Robert K. Barr, James T. Fahey, Corey O'Connor, James G. Shelnut
  • Patent number: 7693383
    Abstract: Provided are polymers comprising the condensation product of silicon-containing reactants. Also provided are compositions suitable for use in forming optical waveguides which include such polymers, as well as optical waveguides formed from such polymers. The polymers, compositions and optical waveguides have particular use in the formation of printed wiring boards having electrical and optical functionality.
    Type: Grant
    Filed: November 14, 2006
    Date of Patent: April 6, 2010
    Assignee: Rohm and Haas Electronics Materials
    Inventors: Hai Bin Zheng, Philip D. Knudsen, James G. Shelnut
  • Publication number: 20090302237
    Abstract: Disclosed are photoluminescent fibers containing photoluminescent phosphorescent materials and photoluminescent fluorescent materials whose emission signature lies partly or fully in the infrared region of the electromagnetic spectrum. Also disclosed are the use of the inventive fibers, fabrics made therefrom, and objects containing the fiber.
    Type: Application
    Filed: June 5, 2009
    Publication date: December 10, 2009
    Inventors: Timothy E. BORTZ, Satish AGRAWAL, James G. SHELNUT
  • Patent number: 7615335
    Abstract: An imaging method is disclosed. An imaging composition is coated on a work piece followed by applying a sufficient amount of energy from a 3-D imaging system to form an image on the coated work piece. The image may be a logo or marker for alignment of parts.
    Type: Grant
    Filed: March 17, 2006
    Date of Patent: November 10, 2009
    Assignee: Rohm & Haas Electronic Materials LLC
    Inventors: Robert K. Barr, James T. Fahey, Corey O'Connor, James G. Shelnut
  • Patent number: 7615130
    Abstract: Provided are methods of forming a printed circuit board having optical functionality. The methods involve: (a) providing a first, printed circuit board substrate; (b) forming an optical waveguide structure comprising a clad and a core structure on a second substrate separate from the printed circuit board substrate, wherein the optical waveguide structure comprises a silicon-containing material; (c) separating the optical waveguide structure from the second substrate; and (d) affixing the optical waveguide structure to the printed circuit board substrate. The invention has particular applicability in the electronics and optoelectronics industries for the formation of hybrid printed circuit boards.
    Type: Grant
    Filed: August 19, 2005
    Date of Patent: November 10, 2009
    Assignee: Rohm and Haas Electronic Materials LLC
    Inventors: James G. Shelnut, Matthew L. Moynihan, Nicola Pugliano, Philip D. Knudsen
  • Patent number: 7270932
    Abstract: Imaging compositions and methods of using the compositions are disclosed. The imaging compositions are sensitive to low levels of energy such that upon application of the low levels of energy the compositions change color or shade. The compositions may be used in methods of marking.
    Type: Grant
    Filed: February 6, 2004
    Date of Patent: September 18, 2007
    Assignee: Rohm and Haas Electronic Materials LLC
    Inventors: Robert K. Barr, James T. Fahey, Corey O'Connor, James G. Shelnut, John J. Piskorski
  • Patent number: 7251404
    Abstract: Provided is a dry-film suitable for use in forming an optical component. The dry-film includes a carrier substrate having a front surface and a back surface. A negative-working photoimageable polymeric layer is disposed over the front surface of the carrier substrate, and includes a photoactive component and units of the formula (RSiO1.5), wherein R is a substituted or unsubstituted organic group. In each of the units, R is free of hydroxy groups. The units include units of the formula (R1SiO1.5) and (R2SiO1.5), wherein R1 is a substituted or unsubstituted aliphatic group and R2 is a substituted or unsubstituted aromatic group. A protective cover layer is disposed over the front surface or back surface of the carrier substrate. Also provided are methods of forming optical devices with dry-films. The invention finds particular applicability in the optoelectronics industry.
    Type: Grant
    Filed: December 22, 2005
    Date of Patent: July 31, 2007
    Assignee: Rohm and Haas Electronic Materials LLC
    Inventors: James G. Shelnut, Matthew L. Moynihan, Luke W. Little
  • Patent number: 7251405
    Abstract: Provided is a dry-film suitable for use in forming an optical component. The dry-film includes a carrier substrate having a front surface and a back surface. A non-photoimageable, thermally curable polymeric layer is provided over the front surface of the carrier substrate. The polymeric layer includes a thermally active component and units of the formula (RSiO1.5), wherein R is a substituted or unsubstituted organic group. A protective cover layer is disposed over the front or back surface of the carrier substrate. Also provided are methods of forming optical devices with dry-films. The invention finds particular applicability in the optoelectronics industry.
    Type: Grant
    Filed: December 22, 2005
    Date of Patent: July 31, 2007
    Assignee: Rohm and Haas Electronic Materials LLC
    Inventors: James G. Shelnut, Matthew L. Moynihan, Luke W. Little
  • Patent number: 7072565
    Abstract: Provided are compositions which include a polymer, having units of the formula (RSiO1.5), wherein R is a substituted or unsubstituted organic group, and a plurality of functional end groups. A first component is provided for altering the solubility of the composition in a dried state upon activation. A second component contains a plurality of functional groups chosen from epoxides, oxetanes, vinyl ethers and combinations thereof. The second component is present in an effective amount to improve flexibility of the composition in a dried state before and after activation. Also provided are flexible optical waveguides, methods of forming flexible optical waveguides and electronic devices that include a flexible optical waveguide.
    Type: Grant
    Filed: April 14, 2005
    Date of Patent: July 4, 2006
    Assignee: Rohm and Haas Electronic Materials LLC
    Inventors: James G. Shelnut, Nicola Pugliano, Matthew L. Moynihan, Hai Bin Zheng, Daniel E. Lundy, Nathan Pawlowski
  • Patent number: 7072563
    Abstract: Provided are compositions suitable for use in forming a flexible optical waveguide. The compositions include a polymer, having units of the formula (RSiO1.5), wherein R is a substituted or unsubstituted organic group, and a plurality of functional end groups. A first component is provided for altering the solubility of the composition in a dried state upon activation. A second component contains a plurality of functional groups chosen from hydroxy, amino, thiol, sulphonate ester, carboxylate ester, silyl ester, anhydride, aziridine, methylolmethyl, silyl ether, and combinations thereof. The second component is present in an effective amount to improve flexibility of the composition in a dried state before and after activation. Also provided are flexible optical waveguides, methods of forming flexible optical waveguides and electronic devices that include a flexible optical waveguide.
    Type: Grant
    Filed: November 19, 2004
    Date of Patent: July 4, 2006
    Assignee: Rohm and Haas Electronic Materials LLC
    Inventors: James G. Shelnut, Nicola Pugliano, Matthew L. Moynihan, Hai Bin Zheng, Daniel E. Lundy, Nathan Pawlowski
  • Patent number: 7072564
    Abstract: Provided are compositions suitable for use in forming a flexible optical waveguide. The compositions include a polymer that has units of the formula (R1SiO1.5) and (R22SiO), wherein R1 and R2 are the same or different, and are substituted and/or unsubstituted organic groups, and wherein the (R22SiO) units are present in an amount of 14 wt % or more based on the polymer; and a plurality of functional end and/or internal groups. Also included is a component for altering the solubility of the composition upon activation. The solubility of the composition in a dried state is alterable upon activation of the component such that the composition is developable in an aqueous developer solution. Also provided are flexible optical waveguides, methods of forming flexible optical waveguides and electronic devices that include a flexible optical waveguide.
    Type: Grant
    Filed: November 19, 2004
    Date of Patent: July 4, 2006
    Assignee: Rohm and Haas Electronic Materials LLC
    Inventors: James G. Shelnut, Matthew L. Moynihan
  • Patent number: 7024093
    Abstract: Provided are methods of forming optical waveguides. The methods involve: (a) forming over a substrate a layer of a photodefinable composition; (b) exposing a portion of the layer to actinic radiation; (c) developing the exposed layer to form a waveguide core structure; and (d) heating the waveguide core structure to a temperature and for a time effective to reflow the structure such that it becomes at least partially rounded in cross-section. Also provided are optical waveguides formed from the described methods and electronic devices including one or more of the optical waveguides.
    Type: Grant
    Filed: December 2, 2003
    Date of Patent: April 4, 2006
    Assignee: Shipley Company, LLC
    Inventors: James G. Shelnut, Matthew L. Moynihan, Omari Patterson
  • Patent number: 6944945
    Abstract: A method for manufacture of a circuit board and the board formed by the novel method. The method comprises selective plating of metallic reinforcing members, solder mount pads, signal and interconnections sequentially. The resultant board is desirably free of glass fiber reinforcement.
    Type: Grant
    Filed: May 12, 2000
    Date of Patent: September 20, 2005
    Assignee: Shipley Company, L.L.C.
    Inventors: Charles R. Shipley, Robert L. Goldberg, James G. Shelnut
  • Patent number: 6899829
    Abstract: A conductive polymer colloidal composition that selectively forms a coating on a non-conductive surface. The conductive polymer colloidal composition is composed of a polymer and a sulfonate dopant. The conductive polymer colloidal composition may also contain conductive colloidal particles such as conductive carbon or metal salt particles, oxidants, stabilizers, and preservatives. The conductive polymer colloidal composition may be employed to selectively coat the non-conductive parts of printed wiring boards such that a uniform metal layer can be deposited on the conductive polymer coat. In addition to a uniform metal layer being formed over the conductive polymer, adhesion between the metal layer and the printed wiring board is improved.
    Type: Grant
    Filed: November 30, 2001
    Date of Patent: May 31, 2005
    Assignee: Shipley Company, L.L.C.
    Inventors: James G. Shelnut, Wade Sonnenberg, Patrick J. Houle