Patents by Inventor Christopher Shaffer

Christopher Shaffer 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).

  • Publication number: 20200377751
    Abstract: Water-based compositions that are resistant to dirt pickup, efflorescence, tannin bleed-through and surfactant leaching are described. The water-based composition includes a latex or water-dispersible polymer and a non-VOC UV-VIS (preferably, ultraviolet) absorber as a dirt pickup resistance additive. Methods of making water-based compositions including a non-VOC UV-VIS absorber as an additive are also described.
    Type: Application
    Filed: June 24, 2020
    Publication date: December 3, 2020
    Inventors: Robert Sandoval, James Harris, Mary Jane Hibben, Andrew Balgeman, Christopher Shaffer, Glenn Frazee, Michael Wildman
  • Patent number: 10723908
    Abstract: Water-based compositions that are resistant to dirt pickup, efflorescence, tannin bleed-through and surfactant leaching are described. The water-based composition includes a latex or water-dispersible polymer and a non-VOC UV-VIS (preferably, ultraviolet) absorber as a dirt pickup resistance additive. Methods of making water-based compositions including a non-VOC UV-VIS absorber as an additive are also described.
    Type: Grant
    Filed: January 7, 2019
    Date of Patent: July 28, 2020
    Assignee: The Sherwin-Williams Company
    Inventors: Robert Sandoval, James Harris, Mary Jane Hibben, Andrew Balgeman, Christopher Shaffer, Glenn Frazee, Michael Wildman
  • Publication number: 20190211224
    Abstract: Water-based compositions that are resistant to dirt pickup, efflorescence, tannin bleed-through and surfactant leaching are described. The water-based composition includes a latex or water-dispersible polymer and a non-VOC UV-VIS (preferably, ultraviolet) absorber as a dirt pickup resistance additive. Methods of making water-based compositions including a non-VOC UV-VIS absorber as an additive are also described.
    Type: Application
    Filed: January 7, 2019
    Publication date: July 11, 2019
    Inventors: Robert Sandoval, James Harris, Mary Jane Hibben, Andrew Balgeman, Christopher Shaffer, Glenn Frazee, Michael Wildman
  • Publication number: 20190153808
    Abstract: A downhole tool for sealing a well includes a push ring; a first slip ring located adjacent to the push ring; a first wedge located adjacent to the first slip ring and configured to push the first slip ring and separate the first slip ring into parts; and a retaining mechanism configured to retain the first slip ring next to one of the push ring or the first wedge. The retaining mechanism is part of either (1) the first slip ring or (2) the one of the push ring or the first wedge, but not both.
    Type: Application
    Filed: September 19, 2018
    Publication date: May 23, 2019
    Inventors: John T. Hardesty, Raymond Christopher Shaffer
  • Patent number: 10196537
    Abstract: Water-based compositions that are resistant to dirt pickup, efflorescence, tannin bleed-through and surfactant leaching are described. The water-based composition includes a latex or water-dispersible polymer and a non-VOC UV-VIS (preferably, ultraviolet) absorber as a dirt pickup resistance additive. Methods of making water-based compositions including a non-VOC UV-VIS absorber as an additive are also described.
    Type: Grant
    Filed: August 1, 2017
    Date of Patent: February 5, 2019
    Assignee: THE SHERWIN-WILLIAMS COMPANY
    Inventors: Robert Sandoval, James Harris, Mary Jane Hibben, Andrew Balgeman, Christopher Shaffer, Glenn Frazee, Michael Wildman
  • Publication number: 20170327709
    Abstract: Water-based compositions that are resistant to dirt pickup, efflorescence, tannin bleed-through and surfactant leaching are described. The water-based composition includes a latex or water-dispersible polymer and a non-VOC UV-VIS (preferably, ultraviolet) absorber as a dirt pickup resistance additive. Methods of making water-based compositions including a non-VOC UV-VIS absorber as an additive are also described.
    Type: Application
    Filed: August 1, 2017
    Publication date: November 16, 2017
    Applicant: Valspar Sourcing, Inc.
    Inventors: Robert Sandoval, James Harris, Mary Jane Hibben, Andrew Balgeman, Christopher Shaffer, Glenn Frazee, Michael Wildman
  • Patent number: 7893249
    Abstract: Method for synthesis, deprotection, and/or purification of nucleic acid molecules, such as oligonucleotides comprising one or more ribonucleotides. Such nucleic acid molecules include siRNA, dsRNA, ribozymes, antisense, and aptamers.
    Type: Grant
    Filed: December 7, 2009
    Date of Patent: February 22, 2011
    Assignee: Sirna Therapeutics, Inc.
    Inventors: Keith Bowman, Christopher Shaffer, Chandra Vargeese
  • Publication number: 20100261890
    Abstract: The present invention features novel compositions, linkers, derivatized solid supports, and methods for the efficient solid phase synthesis of oligonucleotides, including RNA, DNA, RNA-DNA chimeras, and analogs thereof.
    Type: Application
    Filed: June 10, 2010
    Publication date: October 14, 2010
    Inventors: CHANDRA VARGEESE, CHRISTOPHER SHAFFER, WEIMIN WANG
  • Patent number: 7777023
    Abstract: The present invention features novel compositions, linkers, derivatized solid supports, and methods for the efficient solid phase synthesis of oligonucleotides, including RNA, DNA, RNA-DNA chimeras, and analogs thereof.
    Type: Grant
    Filed: October 14, 2005
    Date of Patent: August 17, 2010
    Assignee: Sirna Therapeutics, Inc.
    Inventors: Chandra Vargeese, Christopher Shaffer, Weimin Wang
  • Publication number: 20100197901
    Abstract: Method for synthesis, deprotection, and/or purification of nucleic acid molecules, such as oligonucleotides comprising one or more ribonucleotides. Such nucleic acid molecules include siRNA, dsRNA, ribozymes, antisense, and aptamers.
    Type: Application
    Filed: December 7, 2009
    Publication date: August 5, 2010
    Applicant: SIRNA THERAPEUTICS, INC.
    Inventors: KEITH BOWMAN, CHRISTOPHER SHAFFER, CHANDRA VARGEESE
  • Patent number: 7655790
    Abstract: Method for synthesis, deprotection, and/or purification of nucleic acid molecules, such as oligonucleotides comprising one or more ribonucleotides. Such nucleic acid molecules include siRNA, dsRNA, ribozymes, antisense, and aptamers.
    Type: Grant
    Filed: January 12, 2005
    Date of Patent: February 2, 2010
    Assignee: Sirna Therapeutics, Inc.
    Inventors: Chandra Vargeese, Christopher Shaffer, Keith Bowman
  • Publication number: 20060229799
    Abstract: A system and method for standardizing fleet data and for enabling users of the system and method to selectively retrieve and report one participating fleet's standardized fleet data values in comparative relation to that of other participating fleets.
    Type: Application
    Filed: March 31, 2005
    Publication date: October 12, 2006
    Applicant: Utilimarc, Inc.
    Inventors: Thomas Nimmo, Christopher Shaffer
  • Publication number: 20060036090
    Abstract: The present invention features novel compositions, linkers, derivatized solid supports, and methods for the efficient solid phase synthesis of oligonucleotides, including RNA, DNA, RNA-DNA chimeras, and analogs thereof.
    Type: Application
    Filed: October 14, 2005
    Publication date: February 16, 2006
    Applicant: Sirna Therapeutics, Inc.
    Inventors: Chandra Vargeese, Christopher Shaffer, Weimin Wang
  • Patent number: 6995259
    Abstract: The present invention features novel compositions, linkers, derivatized solid supports, and methods for the efficient solid phase synthesis of oligonucleotides, including RNA, DNA, RNA-DNA chimeras, and analogs thereof.
    Type: Grant
    Filed: June 22, 2001
    Date of Patent: February 7, 2006
    Assignee: Sirna Therapeutics, Inc.
    Inventors: Chandra Vargeese, Christopher Shaffer, Weimin Wang
  • Publication number: 20050215777
    Abstract: Method for synthesis, deprotection, and/or purification of nucleic acid molecules, such as oligonucleotides comprising one or more ribonucleotides. Such nucleic acid molecules include siRNA, dsRNA, ribozymes, antisense, and aptamers.
    Type: Application
    Filed: January 12, 2005
    Publication date: September 29, 2005
    Applicant: Sirna Therapeutics, Inc.
    Inventors: Chandra Vargeese, Christopher Shaffer, Keith Bowman