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).
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Patent number: 8338800Abstract: 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: GrantFiled: May 24, 2012Date of Patent: December 25, 2012Assignee: Performance Indicator, LLCInventors: Timothy E. Bortz, Satish Agrawal, James G. Shelnut
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Publication number: 20120237752Abstract: 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: ApplicationFiled: May 24, 2012Publication date: September 20, 2012Applicant: Performance Indicator, LLCInventors: Timothy E. Bortz, Satish Agrawal, James G. Shelnut
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Patent number: 8207511Abstract: 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: GrantFiled: June 5, 2009Date of Patent: June 26, 2012Assignee: Performance Indicator, LLCInventors: Timothy E. Bortz, Satish Agrawal, James G. Shelnut
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Patent number: 8053160Abstract: 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: GrantFiled: July 13, 2005Date of Patent: November 8, 2011Assignee: Rohm and Haas Electronic Materials LLCInventors: Robert K. Barr, James T. Fahey, Corey O'Connor, James G. Shelnut
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Patent number: 8048606Abstract: 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: GrantFiled: March 17, 2006Date of Patent: November 1, 2011Assignee: Rohm and Haas Electronic Materials LLCInventors: Robert K. Barr, James T. Fahey, Corey O'Connor, James G. Shelnut
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Patent number: 7977026Abstract: 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: GrantFiled: February 6, 2004Date of Patent: July 12, 2011Assignee: Rohm and Haas Electronic Materials LLCInventors: Robert K. Barr, James T. Fahey, Corey O'Connor, James G. Shelnut
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Patent number: 7749685Abstract: 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: GrantFiled: March 17, 2006Date of Patent: July 6, 2010Assignee: Rohm and Haas Electronic Materials LLCInventors: Robert K. Barr, James T. Fahey, Corey O'Connor, James G. Shelnut
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Patent number: 7693383Abstract: 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: GrantFiled: November 14, 2006Date of Patent: April 6, 2010Assignee: Rohm and Haas Electronics MaterialsInventors: Hai Bin Zheng, Philip D. Knudsen, James G. Shelnut
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Publication number: 20090302237Abstract: 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: ApplicationFiled: June 5, 2009Publication date: December 10, 2009Inventors: Timothy E. BORTZ, Satish AGRAWAL, James G. SHELNUT
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Patent number: 7615130Abstract: 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: GrantFiled: August 19, 2005Date of Patent: November 10, 2009Assignee: Rohm and Haas Electronic Materials LLCInventors: James G. Shelnut, Matthew L. Moynihan, Nicola Pugliano, Philip D. Knudsen
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Patent number: 7615335Abstract: 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: GrantFiled: March 17, 2006Date of Patent: November 10, 2009Assignee: Rohm & Haas Electronic Materials LLCInventors: Robert K. Barr, James T. Fahey, Corey O'Connor, James G. Shelnut
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Patent number: 7270932Abstract: 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: GrantFiled: February 6, 2004Date of Patent: September 18, 2007Assignee: Rohm and Haas Electronic Materials LLCInventors: Robert K. Barr, James T. Fahey, Corey O'Connor, James G. Shelnut, John J. Piskorski
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Patent number: 7251405Abstract: 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: GrantFiled: December 22, 2005Date of Patent: July 31, 2007Assignee: Rohm and Haas Electronic Materials LLCInventors: James G. Shelnut, Matthew L. Moynihan, Luke W. Little
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Patent number: 7251404Abstract: 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: GrantFiled: December 22, 2005Date of Patent: July 31, 2007Assignee: Rohm and Haas Electronic Materials LLCInventors: James G. Shelnut, Matthew L. Moynihan, Luke W. Little
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Patent number: 7072564Abstract: 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: GrantFiled: November 19, 2004Date of Patent: July 4, 2006Assignee: Rohm and Haas Electronic Materials LLCInventors: James G. Shelnut, Matthew L. Moynihan
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Patent number: 7072565Abstract: 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: GrantFiled: April 14, 2005Date of Patent: July 4, 2006Assignee: Rohm and Haas Electronic Materials LLCInventors: James G. Shelnut, Nicola Pugliano, Matthew L. Moynihan, Hai Bin Zheng, Daniel E. Lundy, Nathan Pawlowski
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Patent number: 7072563Abstract: 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: GrantFiled: November 19, 2004Date of Patent: July 4, 2006Assignee: Rohm and Haas Electronic Materials LLCInventors: James G. Shelnut, Nicola Pugliano, Matthew L. Moynihan, Hai Bin Zheng, Daniel E. Lundy, Nathan Pawlowski
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Patent number: 7024093Abstract: 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: GrantFiled: December 2, 2003Date of Patent: April 4, 2006Assignee: Shipley Company, LLCInventors: James G. Shelnut, Matthew L. Moynihan, Omari Patterson
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Patent number: 6944945Abstract: 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: GrantFiled: May 12, 2000Date of Patent: September 20, 2005Assignee: Shipley Company, L.L.C.Inventors: Charles R. Shipley, Robert L. Goldberg, James G. Shelnut
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Patent number: 6899829Abstract: 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: GrantFiled: November 30, 2001Date of Patent: May 31, 2005Assignee: Shipley Company, L.L.C.Inventors: James G. Shelnut, Wade Sonnenberg, Patrick J. Houle