Patents by Inventor Seong-Su Kim

Seong-Su Kim 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).

  • Process for the preparation of hybrid mesoporous molecular sieve silicas from amine surfactants
    Patent number: 6800266
    Abstract: Hybrid mesoporous molecular sieve silica compositions which have intergrown wormhole domains and lamellar or hexagonal domains and prepared from mixtures of water soluble silicate precursors and amine surfactant templates through a neutralization reaction are described. The silica compositions are stable above 600° C.
    Type: Grant
    Filed: January 18, 2001
    Date of Patent: October 5, 2004
    Assignee: Board of Trustees of Michigan State University
    Inventors: Thomas J. Pinnavaia, Thomas R. Pauly, Seong-Su Kim
  • Etching solution for multiple layer of copper and molybdenum and etching method using the same
    Publication number: 20040118814
    Abstract: An etching solution for a multiple layer of copper and molybdenum includes: about 5% to about 30% by weight of a hydrogen peroxide; about 0.5% to about 5% by weight of an organic acid; about 0.2% to about 5% by weight of a phosphate; about 0.2% to about 5% by weight of a first additive having nitrogen; about 0.2% to about 5% by weight of a second additive having nitrogen; about 0.01% to about 1.0% by weight of a fluoric compound; and de-ionized water making a total amount of the etching solution 100% by weight.
    Type: Application
    Filed: December 11, 2003
    Publication date: June 24, 2004
    Inventors: Seong-Su Kim, Yong-Suk Choi, Gee-Sung Chae, Gyoo-Chul Jo, Oh-Nam Kwon, Kyoung-Mook Lee, Yong-Sup Hwang, Seung-Yong Lee
  • Silica foam compositions
    Patent number: 6641657
    Abstract: Porous inorganic silica foam compositions are derived from water soluble silicate precursors and swollen non-ionic polymer templates are described. The compositions are useful as catalyst supports and as catalysts in hydrocarbon cracking and organic reactions, among other applications.
    Type: Grant
    Filed: April 25, 2002
    Date of Patent: November 4, 2003
    Assignee: Board of Trustees of Michigan State University
    Inventors: Thomas J. Pinnavaia, Thomas R. Pauly, Seong-Su Kim
  • Process for the preparation of molecular sieve silicas
    Patent number: 6607705
    Abstract: A process for the preparation of mesostructured molecular sieve silicas from inorganic silicon precursors and polyoxyethylene oxide based polymers is described. The silicas are stable upon calcination to 600° to 800° C. The silicas are useful in refining processes.
    Type: Grant
    Filed: April 13, 2001
    Date of Patent: August 19, 2003
    Assignee: Board of Trustees of Michigan State University
    Inventors: Thomas J. Pinnavaia, Thomas R. Pauly, Seong-Su Kim
  • Ultra-stable lamellar mesoporous silica compositions and process for the preparation thereof
    Publication number: 20030095907
    Abstract: Novel lamellar mesoporous silica compositions which can contain functional inorganic elements and organic functional groups as part of the lamellar silica framework structure are described. The compositions are prepared using gemini amine surfactants as templates or structure directing agents. The compositions have novel high temperature and hydrothermal stability and unique fundamental particle structures.
    Type: Application
    Filed: October 17, 2002
    Publication date: May 22, 2003
    Applicant: Board of Trustees operating Michigan State University
    Inventors: Thomas J. Pinnavaia, Seong-Su Kim, Wenzhong Zhang
  • Ultra-stable lamellar mesoporous silica compositions and process for the preparation thereof
    Publication number: 20030095908
    Abstract: Novel lamellar mesoporous silica compositions which can contain functional inorganic elements and organic functional groups as part of the lamellar silica framework structure are described. The compositions are prepared using gemini amine surfactants as templates or structure directing agents. The compositions have novel high temperature and hydrothermal stability and unique fundamental particle structures.
    Type: Application
    Filed: October 17, 2002
    Publication date: May 22, 2003
    Applicant: Board of Trustees operating Michigan State University
    Inventors: Thomas J. Pinnavaia, Seong-Su Kim, Wenzhong Zhang
  • Ultra-stable lamellar mesoporous silica compositions and process for the prepration thereof
    Patent number: 6528034
    Abstract: Novel lamellar mesoporous silica compositions which can contain functional inorganic elements and organic functional groups as part of the lamellar silica framework structure are described. The compositions are prepared using gemini amine surfactants as templates or structure directing agents. The compositions have novel high temperature and hydrothermal stability and unique fundamental particle structures.
    Type: Grant
    Filed: November 9, 1999
    Date of Patent: March 4, 2003
    Assignee: Board of Trustees of Michigan State University
    Inventors: Thomas J. Pinnavaia, Seong-Su Kim, Wenzhong Zhang
  • Silica foam compositions
    Patent number: 6506485
    Abstract: Porous inorganic silica foam compositions are derived from water soluble silicate precursors and swollen non-ionic polymer templates are described. The compositions are useful as catalyst supports and as catalysts in hydrocarbon cracking and organic reactions, among other applications.
    Type: Grant
    Filed: August 3, 2000
    Date of Patent: January 14, 2003
    Assignee: Board of Trustees of Michigan State University
    Inventors: Thomas J. Pinnavaia, Thomas R. Pauly, Seong-Su Kim
  • Silica foam compositions
    Publication number: 20020160176
    Abstract: Porous inorganic silica foam compositions are derived from water soluble silicate precursors and swollen non-ionic polymer templates are described. The compositions are useful as catalyst supports and as catalysts in hydrocarbon cracking and organic reactions, among other applications.
    Type: Application
    Filed: April 25, 2002
    Publication date: October 31, 2002
    Applicant: Board of Trustees Operating Michigan State University
    Inventors: Thomas J. Pinnavaia, Thomas R. Pauly, Seong-Su Kim
  • Process for the preparation of hybrid mesoporous molecular sieve silicas from amine surfactants
    Publication number: 20020051745
    Abstract: Hybrid mesoporous molecular sieve silica compositions which have intergrown wormhole domains and lamellar or hexagonal domains and prepared from mixtures of water soluble silicate precursors and amine surfactant templates through a neutralization reaction are described. The silica compositions are stable above 600° C.
    Type: Application
    Filed: January 18, 2001
    Publication date: May 2, 2002
    Applicant: Board of Trustees operating Michigan State University
    Inventors: Thomas J. Pinnavaia, Thomas R. Pauly, Seong-Su Kim
  • Process for the preparation of molecular sieve silicas
    Publication number: 20010043901
    Abstract: A process for the preparation of mesostructured molecular sieve silicas from inorganic silicon precursors and polyoxyethylene oxide based polymers is described. The silicas are stable upon calcination to 600° to 800° C. The silicas are useful in refining processes.
    Type: Application
    Filed: April 13, 2001
    Publication date: November 22, 2001
    Applicant: Board of Trustees Operating Michigan State Univ.
    Inventors: Thomas J. Pinnavaia, Thomas R. Pauly, Seong-Su Kim
  • Manufacturing method of delayed hydride cracking resistant seamless pressure tube made of zirconium (Zr) alloy
    Patent number: 5681406
    Abstract: A method for manufacturing a delayed hydride cracking resistant zirconium ahoy (Zircaloy-2, Zircaloy-4, Zr-2.5% Nb, pure Zr, etc.) pressure tube includes the steps of making a seamless pressure tube having a diameter smaller than the final size by extrusion or drawing, and then expanding the tube at a temperature below 600.degree. C. by cross rolling.
    Type: Grant
    Filed: May 25, 1994
    Date of Patent: October 28, 1997
    Assignee: Korea Atomic Energy Research Institute
    Inventors: Seong-Su Kim, Dae-Whan Kim, Joon-Wha Hong, Young-Whan Kang