Patents by Inventor Edward W. Rutter, Jr.

Edward W. Rutter, Jr. 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: 11881337
    Abstract: A novel polymer positive temperature coefficient (PPTC) material, device, and method of fabrication. One example of polymer positive temperature coefficient (PPTC) includes a polymer matrix, the polymer matrix comprising a first polymer. The PPTC material may further include a conductive filler, disposed in the polymer matrix; and at least one polymer filler, dispersed within the polymer matrix. The at least one polymer filler may comprise a second polymer, different from the first polymer, wherein the at least one polymer comprises a first melting temperature, and wherein the second polymer comprises a second melting temperature, the second melting temperature exceeding the first melting temperature by at least 20 C.
    Type: Grant
    Filed: November 23, 2018
    Date of Patent: January 23, 2024
    Assignee: Littelfuse Electronics (Shanghai) Co., Ltd.
    Inventors: Jianhua Chen, Chun-Kwan Tsang, Zhiyong Zhou, Yingsong Fu, Edward W. Rutter, Jr.
  • Patent number: 11309484
    Abstract: A device may include an inner layer comprising a polyvinylidene fluoride (PVDF) material. The device may also include a first interface layer, disposed on a first side of the inner layer, and a second interface layer, disposed on a second side of the inner layer. The first interface layer and the second interface layer may comprise a mixture of PVDF material and a scavenger component.
    Type: Grant
    Filed: January 13, 2019
    Date of Patent: April 19, 2022
    Assignee: Littelfuse, Inc.
    Inventors: Yuriy B. Matus, Martin Pineda, Edward W. Rutter, Jr.
  • Publication number: 20220013259
    Abstract: A novel polymer positive temperature coefficient (PPTC) material, device, and method of fabrication. One example of polymer positive temperature coefficient (PPTC) includes a polymer matrix, the polymer matrix comprising a first polymer. The PPTC material may further include a conductive filler, disposed in the polymer matrix; and at least one polymer filler, dispersed within the polymer matrix. The at least one polymer filler may comprise a second polymer, different from the first polymer, wherein the at least one polymer comprises a first melting temperature, and wherein the second polymer comprises a second melting temperature, the second melting temperature exceeding the first melting temperature by at least 20 C.
    Type: Application
    Filed: November 23, 2018
    Publication date: January 13, 2022
    Applicant: Littelfuse Electronics (Shanghai) Co., Ltd.
    Inventors: Jianhua Chen, Chun-Kwan Tsang, Zhiyong Zhou, Yingsong Fu, Edward W. Rutter, Jr.
  • Patent number: 10902983
    Abstract: A PPTC device is provided. The PPTC device may include a first electrode and a second electrode, disposed opposite the first electrode. The PPTC device may include a PPTC layer, disposed between the first electrode and the second electrode, the PPTC layer comprising a polymer matrix formed from a thermoplastic polyurethane (TPU) material.
    Type: Grant
    Filed: July 29, 2020
    Date of Patent: January 26, 2021
    Assignee: Littelfuse, Inc.
    Inventors: Edward W. Rutter, Jr., Yuriy B. Matus, Martin Pineda
  • Publication number: 20200357543
    Abstract: A PPTC device is provided. The PPTC device may include a first electrode and a second electrode, disposed opposite the first electrode. The PPTC device may include a PPTC layer, disposed between the first electrode and the second electrode, the PPTC layer comprising a polymer matrix formed from a thermoplastic polyurethane (TPU) material.
    Type: Application
    Filed: July 29, 2020
    Publication date: November 12, 2020
    Applicant: Littelfuse, Inc.
    Inventors: Edward W. Rutter, JR., Yuriy B. Matus, Martin Pineda
  • Patent number: 10784026
    Abstract: A PPTC device is provided. The PPTC device may include a first electrode and a second electrode, disposed opposite the first electrode. The PPTC device may include a PPTC layer, disposed between the first electrode and the second electrode, the PPTC layer comprising a polymer matrix formed from a thermoplastic polyurethane (TPU) material.
    Type: Grant
    Filed: January 20, 2019
    Date of Patent: September 22, 2020
    Assignee: Littelfuse, Inc.
    Inventors: Edward W. Rutter, Jr., Yuriy B. Matus, Martin Pineda
  • Publication number: 20200234857
    Abstract: A PPTC device is provided. The PPTC device may include a first electrode and a second electrode, disposed opposite the first electrode. The PPTC device may include a PPTC layer, disposed between the first electrode and the second electrode, the PPTC layer comprising a polymer matrix formed from a thermoplastic polyurethane (TPU) material.
    Type: Application
    Filed: January 20, 2019
    Publication date: July 23, 2020
    Applicant: LITTELFUSE, INC.
    Inventors: Edward W. Rutter, JR., Yuriy B. Matus, Martin Pineda
  • Publication number: 20200227622
    Abstract: A device may include an inner layer comprising a polyvinylidene fluoride (PVDF) material. The device may also include a first interface layer, disposed on a first side of the inner layer, and a second interface layer, disposed on a second side of the inner layer. The first interface layer and the second interface layer may comprise a mixture of PVDF material and a scavenger component.
    Type: Application
    Filed: January 13, 2019
    Publication date: July 16, 2020
    Applicant: Littelfuse, Inc.
    Inventors: Yuriy B. Matus, Martin Pineda, Edward W. Rutter, JR.
  • Publication number: 20170004946
    Abstract: Conductive composite compositions and circuit protection devices including a conductive composite composition are disclosed. The conductive composite composition includes a polymer material, a plurality of conductive particles, and a high melting point additive. The high melting point additive comprises at least 1% of the conductive composite, by volume of the total composition. The circuit protection device includes a body portion comprising a conductive composite composition, the conductive composite composition comprising a polymer material, a plurality of conductive particles, and at least 1%, by volume, of a high melting point additive loaded in the polymer material, and leads extending from the body portion, the leads arranged and disposed to electrically couple the circuit protection device to an electrical system. Also provided is a method of forming a conductive composite.
    Type: Application
    Filed: June 30, 2015
    Publication date: January 5, 2017
    Applicant: Tyco Electronics Corporation
    Inventors: Edward W. Rutter, JR., Ann O. Banich, Jaydip Das, Chun-Kwan Tsang, Kavitha Bharadwaj, Ting Gao, Jianhua Chen, James Toth
  • Patent number: 8629294
    Abstract: Borate esters, boron-comprising dopants, and methods of fabricating boron-comprising dopants are provided herein. In an embodiment, a borate ester comprises boron and silicon wherein the boron is linked to the silicon by alkyl groups that are bonded via ester bonds with both the boron and the silicon. A method of fabricating a boron-comprising dopant comprises providing a borate and transesterifying the borate using a polyol-substituted silicon monomer.
    Type: Grant
    Filed: August 25, 2011
    Date of Patent: January 14, 2014
    Assignee: Honeywell International Inc.
    Inventors: Richard A. Spear, Edward W. Rutter, Jr., Lea M. Metin, Helen X. Xu
  • Publication number: 20130048918
    Abstract: Borate esters, boron-comprising dopants, and methods of fabricating boron-comprising dopants are provided herein. In an embodiment, a borate ester comprises boron and silicon wherein the boron is linked to the silicon by alkyl groups that are bonded via ester bonds with both the boron and the silicon. A method of fabricating a boron-comprising dopant comprises providing a borate and transesterifying the borate using a polyol-substituted silicon monomer.
    Type: Application
    Filed: August 25, 2011
    Publication date: February 28, 2013
    Applicant: HONEYWELL INTERNATIONAL INC.
    Inventors: Richard A. Spear, Edward W. Rutter, JR., Lea M. Metin, Helen X. Xu
  • Patent number: 6878500
    Abstract: Compositions and methods for the removal of patterned photodefinable materials, such as photoresists and/or photoimageable dielectric materials, from substrates are provided. Such compositions and methods are useful in the manufacture of electronic devices. Methods of reworking electronic device substrates by removing patterned photodefinable material from an underlying organic film are also provided.
    Type: Grant
    Filed: April 5, 2003
    Date of Patent: April 12, 2005
    Assignee: Marlborough,
    Inventors: Edward W. Rutter, Jr., Cuong Manh Tran, Edward C. Orr
  • Patent number: 6749765
    Abstract: Disclosed are compositions and methods for providing substantially planarized surfaces in the manufacture of electronic devices. Also disclosed are compositions and methods for protecting apertures in the manufacture of electronic devices.
    Type: Grant
    Filed: March 27, 2002
    Date of Patent: June 15, 2004
    Assignee: Shipley Company, L.L.C.
    Inventors: Edward W. Rutter, Jr., Peter Trefonas, III, Edward K. Pavelchek
  • Patent number: 6610609
    Abstract: Disclosed are compositions and methods for improving compatibility of imaging layers with dielectric layers. Also disclosed are methods of reducing or eliminating poisoning of photoresists during electronic device manufacture.
    Type: Grant
    Filed: May 2, 2001
    Date of Patent: August 26, 2003
    Assignee: Shipley Company, L.L.C.
    Inventors: Edward W. Rutter, Jr., Leo L. Linehan
  • Patent number: 6461717
    Abstract: Disclosed are compositions and methods for providing substantially planarized surfaces in the manufacture of electronic devices. Also disclosed are compositions and methods for protecting apertures in the manufacture of electronic devices.
    Type: Grant
    Filed: April 24, 2000
    Date of Patent: October 8, 2002
    Assignee: Shipley Company, L.L.C.
    Inventors: Edward W. Rutter, Jr., Peter Trefonas, III, Edward K. Pavelchek
  • Patent number: 6319835
    Abstract: Disclosed are compositions useful for removing antireflective compositions from a substrate. Also disclosed are methods of removing antireflective compositions from a substrate using such compositions.
    Type: Grant
    Filed: February 25, 2000
    Date of Patent: November 20, 2001
    Assignee: Shipley Company, L.L.C.
    Inventors: Javad J. Sahbari, Edward W. Rutter, Jr., Jeffrey M. Calvert
  • Patent number: 6083661
    Abstract: Photodefineable cyclobutarene compositions are disclosed. These polymer compositions are useful in composites, laminates, membranes, films, adhesives, coatings, and electronic applications such as multichip modules and printed circuit boards. An example of such photodefineable cyclobutarene compositions is a mixture of a photosensitive agent such as 2,6-bis(4-azidobenzylidene)-4-methylcyclohexanone and a cyclobutarene such as oligomeric divinyltetramethyldisiloxane bisbenzocyclobutane.
    Type: Grant
    Filed: August 15, 1994
    Date of Patent: July 4, 2000
    Assignee: The Dow Chemical Company
    Inventors: Frank L. Oaks, Eric S. Moyer, Edward W. Rutter, Jr., Robert F. Harris
  • Patent number: 5882836
    Abstract: A photocurable formulation containing a partially polymerized DVS resin formed by heating DVS monomer (1,3-bis(2-bicyclo?4.2.0!octa-1,3,5-trien-3-ylethenyl)-1,1,3,3-tetramethyl disiloxane) in a solvent at an initial concentration of DVS monomer in the solvent of from about 12 to about 32 weight percent. This photocurable formulation may be used as an interlayer dielectric to fabricate thin film multichip modules.
    Type: Grant
    Filed: June 5, 1995
    Date of Patent: March 16, 1999
    Assignee: The Dow Chemical Company
    Inventors: Pamela S. Foster, Ernest L. Ecker, Edward W. Rutter, Jr., Eric S. Moyer
  • Patent number: 5854302
    Abstract: A process for forming a partially polymerized DVS resin comprising heating DVS monomer (1,3-bis(2-bicyclo?4.2.0!octa-1,3,5-trien-3-ylethenyl)-1,1,3,3-tetramethyl disiloxane) in a solvent at a concentration of DVS monomer in the solvent such that:(a) the DVS resin, when applied and polymerized in a thin layer on a solid substrate does not craze; and(b) the DVS resin, is rendered photocurable by the addition of at least one photosensitive agent in an amount sufficient to convert the mixture to an organic-insoluble solid upon exposing the mixture to photon radiation and the film retention upon development with a solvent is at least 50 percent. The DVS resin may be used as an interlayer dielectric to fabricate thin film multichip modules.
    Type: Grant
    Filed: April 14, 1994
    Date of Patent: December 29, 1998
    Assignee: The Dow Chemical Company
    Inventors: Pamela S. Foster, Ernest L. Ecker, Edward W. Rutter, Jr., Eric S. Moyer
  • Patent number: 5585450
    Abstract: An oligomerized cyclobutarene containing 80 weight percent or more of oligomers of a degree of polymerization of three or more.
    Type: Grant
    Filed: June 5, 1995
    Date of Patent: December 17, 1996
    Assignee: The Dow Chemical Company
    Inventors: Frank L. Oaks, Eric S. Moyer, Edward W. Rutter, Jr., Robert F. Harris