Patents by Inventor Guangyu Xu

Guangyu Xu 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: 9096953
    Abstract: The embodiments of the invention relate to a system and method for making a biomolecule microarray comprising a spacer attachment module adapted to attach a linker to a substrate surface of the biomolecule microarray, a coupling module adapted to couple a molecule to the linker, the molecule being capable of forming a peptide bond and containing a protecting group that prevents the formation of the peptide bond, and a deprotection module adapted to create deprotection of the protecting group with a radiation exposure of about 1-50 mJ/cm2.
    Type: Grant
    Filed: September 29, 2006
    Date of Patent: August 4, 2015
    Assignee: INTEL CORPORATION
    Inventors: Narayan Sundararajan, John J. Rajasekaran, Guangyu Xu, Gunjan Tiwari, Edelmira Cabezas
  • Patent number: 8318427
    Abstract: Protective groups which may be cleaved with an activatable deprotecting reagents are employed to achieve a highly sensitive, high resolution, combinatorial synthesis of pattern arrays of diverse polymers. In preferred embodiments of the instant invention, the activatable deprotecting reagent is a photoacid generator and the protective groups are DMT for nucleic acids and tBOC for amino acids. This invention has a wide variety of applications and is particularly useful for the solid phase combinatorial synthesis of polymers.
    Type: Grant
    Filed: September 21, 2011
    Date of Patent: November 27, 2012
    Assignee: Affymetrix, Inc.
    Inventors: Robert G. Kuimelis, Glenn H. McGall, Martin J. Goldberg, Guangyu Xu
  • Publication number: 20120010108
    Abstract: Protective groups which may be cleaved with an activatable deprotecting reagents are employed to achieve a highly sensitive, high resolution, combinatorial synthesis of pattern arrays of diverse polymers. In preferred embodiments of the instant invention, the activatable deprotecting reagent is a photoacid generator and the protective groups are DMT for nucleic acids and tBOC for amino acids. This invention has a wide variety of applications and is particularly useful for the solid phase combinatorial synthesis of polymers.
    Type: Application
    Filed: September 21, 2011
    Publication date: January 12, 2012
    Applicant: Affymetrix, INC.
    Inventors: Robert G. Kuimelis, Glenn H. McGall, Martin J. Goldberg, Guangyu Xu
  • Patent number: 8062844
    Abstract: Protective groups which may be cleaved with an activatable deprotecting reagents are employed to achieve a highly sensitive, high resolution, combinatorial synthesis of pattern arrays of diverse polymers. In preferred embodiments of the instant invention, the activatable deprotecting reagent is a photoacid generator and the protective groups are DMT for nucleic acids and tBOC for amino acids. This invention has a wide variety of applications and is particularly useful for the solid phase combinatorial synthesis of polymers.
    Type: Grant
    Filed: January 21, 2011
    Date of Patent: November 22, 2011
    Assignee: Affymetrix, Inc.
    Inventors: Robert G. Kuimelis, Glenn H. McGall, Martin J. Goldberg, Guangyu Xu
  • Publication number: 20110124526
    Abstract: Protective groups which may be cleaved with an activatable deprotecting reagents are employed to achieve a highly sensitive, high resolution, combinatorial synthesis of pattern arrays of diverse polymers. In preferred embodiments of the instant invention, the activatable deprotecting reagent is a photoacid generator and the protective groups are DMT for nucleic acids and tBOC for amino acids. This invention has a wide variety of applications and is particularly useful for the solid phase combinatorial synthesis of polymers.
    Type: Application
    Filed: January 21, 2011
    Publication date: May 26, 2011
    Applicant: Affymetrix, INC.
    Inventors: Robert G. Kuimelis, Glenn H. McGall, Martin J. Goldberg, Guangyu Xu
  • Patent number: 7910312
    Abstract: Protective groups which may be cleaved with an activatable deprotecting reagents are employed to achieve a highly sensitive, high resolution, combinatorial synthesis of pattern arrays of diverse polymers. In preferred embodiments of the instant invention, the activatable deprotecting reagent is a photoacid generator and the protective groups are DMT for nucleic acids and tBOC for amino acids. This invention has a wide variety of applications and is particularly useful for the solid phase combinatorial synthesis of polymers.
    Type: Grant
    Filed: July 16, 2010
    Date of Patent: March 22, 2011
    Assignee: Affymetrix, Inc.
    Inventors: Robert G. Kuimelis, Glenn H. McGall, Martin J. Goldberg, Guangyu Xu
  • Publication number: 20110015098
    Abstract: Protective groups which may be cleaved with an activatable deprotecting reagents are employed to achieve a highly sensitive, high resolution, combinatorial synthesis of pattern arrays of diverse polymers. In preferred embodiments of the instant invention, the activatable deprotecting reagent is a photoacid generator and the protective groups are DMT for nucleic acids and tBOC for amino acids. This invention has a wide variety of applications and is particularly useful for the solid phase combinatorial synthesis of polymers.
    Type: Application
    Filed: July 16, 2010
    Publication date: January 20, 2011
    Applicant: Affymetrix, INC.
    Inventors: Robert G. Kuimelis, Glenn H. McGall, Martin J. Goldberg, Guangyu Xu
  • Patent number: 7862996
    Abstract: Protective groups which may be cleaved with an activatable deprotecting reagent are employed to achieve a highly sensitive, high resolution, combinatorial synthesis of pattern arrays of diverse polymers. In preferred embodiments of the instant invention, the activatable deprotecting reagent is a photoacid generator and the protective groups are DMT for nucleic acids and tBOC for amino acids. This invention has a wide variety of applications and is particularly useful for the solid phase combinatorial synthesis of polymers.
    Type: Grant
    Filed: December 28, 2006
    Date of Patent: January 4, 2011
    Assignee: Affymetrix, Inc.
    Inventors: Robert G. Kuimelis, Glenn H. McGall, Martin J. Goldberg, Guangyu Xu
  • Publication number: 20100240555
    Abstract: The embodiments of the invention relate to a system and method for making a biomolecule microarray comprising a spacer attachment module adapted to attach a linker to a substrate surface of the biomolecule microarray, a coupling module adapted to couple a molecule to the linker, the molecule being capable of forming a peptide bond and containing a protecting group that prevents the formation of the peptide bond, and a deprotection module adapted to create deprotection of the protecting group with a radiation exposure of about 1-50 mJ/cm2.
    Type: Application
    Filed: September 29, 2006
    Publication date: September 23, 2010
    Inventors: Narayan Sundararajan, John J. Rajasekaran, Guangyu Xu, Gunjan Tiwari, Edelmira Cabezas
  • Patent number: 7704668
    Abstract: The invention provides positive-acting chemically-amplified photoresist compositions that can provide excellent lithographic performance as well as significantly enhanced storage stability. In one aspect, photoresist compositions are provided that comprise a solvent that is free of hydroxy groups (i.e. non-hydroxylic solvent), a resin binder and a photoactive compound that exhibits enhanced and long-term solubility in the solvent. In a further aspect, resists are provided that are formulated in a hydroxyl-containing solvent such as ethyl lactate and that contains a sulfonium salt photoactive compound that includes a sulfonate counter anion that can provide enhanced storage stability for the resist.
    Type: Grant
    Filed: August 4, 1998
    Date of Patent: April 27, 2010
    Assignee: Rohm and Haas Electronic Materials LLC
    Inventors: James F. Cameron, James Michael Mori, George W. Orsula, Guangyu Xu, Yoshihiro Yamamoto
  • Publication number: 20080108149
    Abstract: Methods for fabricating dense arrays of polymeric molecules in a highly multiplexed manner are provided using semiconductor-processing-derived methods and electrochemically generated reagents. Advantageously, the methods are adaptable to the synthesis of a variety of polymeric compounds. For example, arrays of peptides, polymers joined by peptide bonds, nucleic acids, and polymers joined by phosphodiester bonds may be fabricated in a highly multiplexed manner.
    Type: Application
    Filed: October 23, 2006
    Publication date: May 8, 2008
    Inventors: Narayan Sundararajan, John J. Rajasekaran, Guangyu Xu
  • Publication number: 20070161778
    Abstract: Protective groups which may be cleaved with an activatable deprotecting reagent are employed to achieve a highly sensitive, high resolution, combinatorial synthesis of pattern arrays of diverse polymers. In preferred embodiments of the instant invention, the activatable deprotecting reagent is a photoacid generator and the protective groups are DMT for nucleic acids and tBOC for amino acids. This invention has a wide variety of applications and is particularly useful for the solid phase combinatorial synthesis of polymers.
    Type: Application
    Filed: December 28, 2006
    Publication date: July 12, 2007
    Applicant: Affymetrix, INC.
    Inventors: Robert Kuimelis, Glenn McGall, Martin Goldberg, Guangyu Xu
  • Patent number: 7053198
    Abstract: In some embodiment of the invention, methods are provided for the synthesis of polymer arrays. In one embodiment, a reactive polymer and a photo acid generator is used for the photodirected polymer array synthesis.
    Type: Grant
    Filed: December 6, 2002
    Date of Patent: May 30, 2006
    Assignee: Affymetrix, Inc.
    Inventors: Martin Goldberg, Guangyu Xu
  • Publication number: 20050244755
    Abstract: In one embodiment of the invention, methods for synthesizing polymers on a substrate are provided. The method includes the steps of coupling a monomer into exposed areas of a substrate in positive-tone application of a photoresist, or coupling a monomer into unexposed areas of a substrate in negative-tone application of a photoresist, where at least one area of the substrate is coated with the photoresist.
    Type: Application
    Filed: July 11, 2005
    Publication date: November 3, 2005
    Applicant: Affymetrix, INC.
    Inventors: Guangyu Xu, Martin Goldberg
  • Publication number: 20050164258
    Abstract: Protective groups which may be cleaved with an activatable deprotecting reagents are employed to achieve a highly sensitive, high resolution, combinatorial synthesis of pattern arrays of diverse polymers. In preferred embodiments of the instant invention, the activatable deprotecting reagent is a photoacid generator and the protective groups are DMT for nucleic acids and tBOC for amino acids. This invention has a wide variety of applications and is particularly useful for the solid phase combinatorial synthesis of polymers.
    Type: Application
    Filed: December 22, 2004
    Publication date: July 28, 2005
    Applicant: Affymetrix, INC.
    Inventors: Martin Goldberg, Robert Kuimelis, Glenn McGall, Nineveh Parker, Guangyu Xu
  • Publication number: 20040109935
    Abstract: In some embodiment of the invention, methods are provided for the synthesis of polymer arrays. In one embodiment, a reactive polymer and a photo acid generator is used for the photodirected polymer array synthesis.
    Type: Application
    Filed: December 6, 2002
    Publication date: June 10, 2004
    Applicant: Affymetrix, INC.
    Inventors: Martin Goldberg, Guangyu Xu
  • Publication number: 20040110133
    Abstract: In some embodiment of the invention, methods are provided for the synthesis of polymer arrays. In one embodiment, a chemically amplified polymer matrix is used for the synthesis of polymer arrays.
    Type: Application
    Filed: December 6, 2002
    Publication date: June 10, 2004
    Applicant: Affymetrix, INC.
    Inventors: Guangyu Xu, Martin Goldberg
  • Publication number: 20040023247
    Abstract: In one embodiment of the invention, surface properties of a microarray are examined to detect manufacturing failure. The surface properties may be determined using FTIR.
    Type: Application
    Filed: December 5, 2002
    Publication date: February 5, 2004
    Applicant: Affymetrix, INC.
    Inventors: Guangyu Xu, Martin Goldberg
  • Publication number: 20040023367
    Abstract: In one embodiment of the invention, methods for synthesizing polymers on a substrate are provided. The method includes the steps of coupling a monomer into exposed areas of a substrate in positive-tone application of a photoresist, or coupling a monomer into unexposed areas of a substrate in negative-tone application of a photoresist, where at least one area of the substrate is coated with the photoresist.
    Type: Application
    Filed: December 5, 2002
    Publication date: February 5, 2004
    Applicant: Affymetrix, INC.
    Inventors: Guangyu Xu, Martin Goldberg