Patents by Inventor Wenji Li

Wenji Li 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: 7709658
    Abstract: The present invention relates to substituted pyrazoles, compositions containing such compounds and methods of treatment. The compounds are glucagon receptor antagonists and thus are useful for treating, preventing or delaying the onset of type 2 diabetes mellitus.
    Type: Grant
    Filed: July 21, 2006
    Date of Patent: May 4, 2010
    Assignee: Merck Sharp & Dohme Corp.
    Inventors: Lushi Tan, James Christopher McWilliams, Frederick W. Hartner, Naoki Yoshikawa, Wenji Li
  • Patent number: 7700262
    Abstract: A top coat material for applying on top of a photoresist material is disclosed. The top coat material includes a polymer, which includes at least one fluorosulfonamide monomer unit having one of the following two structures: wherein: M is a polymerizable backbone moiety; Z is a linking moiety selected from the group consisting of —C(O)O—, —C(O)—, —OC(O)—, and —O—C(O)—C(O)—O—; R1 is selected from the group consisting of an alkylene, an arylene, a semi- or perfluorinated alkylene, and a semi- or perfluorinated arylene; p and q are 0 or 1; R2 is selected from the group consisting of hydrogen, fluorine, an alkyl group of 1 to 6 carbons, and a semi- or perfluorinated alkyl group of 1 to 6 carbons; n is an integer from 1 to 6; and R3 is selected from the group consisting of hydrogen, an alkyl, an aryl, a semi- or perfluorinated alkyl, and a semi- or perfluorinated aryl. The top coat material may be used in lithography processes, wherein the top coat material is applied on a photoresist layer.
    Type: Grant
    Filed: March 7, 2008
    Date of Patent: April 20, 2010
    Assignee: International Business Machines Corporation
    Inventors: Wenjie Li, Margaret C. Lawson, Pushkara Rao Varanasi
  • Patent number: 7651831
    Abstract: A positive photoresist composition comprises a radiation sensitive acid generator, and a polymer that includes a first repeating unit derived from a sulfonamide monomer including a fluorosulfonamide functionality, a second repeating unit having a pendant acid-labile moiety, and a third repeating unit having a lactone functionality. The positive photoresist composition may be used to form patterned features on a substrate, such as those used in the manufacture of a semiconductor device.
    Type: Grant
    Filed: June 10, 2008
    Date of Patent: January 26, 2010
    Assignee: International Business Machines Corporation
    Inventors: Wenjie Li, Pushkara Rao Varanasi
  • Patent number: 7638266
    Abstract: A barrier layer for fabricating at least one of a device and a mask includes a polymeric photoacid generator formed between a substrate and a resist layer. The barrier layer may be used, for example, in forming a resist image, and forming a patterned material feature on a substrate.
    Type: Grant
    Filed: August 12, 2004
    Date of Patent: December 29, 2009
    Assignee: International Business Machines Corporation
    Inventors: Marie Angelopoulos, Gregory Breyta, Wu-Song Huang, Robert Neal Lang, Wenjie Li, David R. Medeiros, Wayne Martin Moreau, Karen Elizabeth Petrillo
  • Patent number: 7638264
    Abstract: A positive photoresist composition comprises a radiation sensitive acid generator, and a polymer that includes a first repeating unit derived from a sulfonamide monomer including a fluorosulfonamide functionality, a second repeating unit having a pendant acid-labile moiety, and a third repeating unit having a lactone functionality. The positive photoresist composition may be used to form patterned features on a substrate, such as those used in the manufacture of a semiconductor device.
    Type: Grant
    Filed: May 23, 2006
    Date of Patent: December 29, 2009
    Assignee: International Business Machines Corporation
    Inventors: Wenjie Li, Pushkara Rao Varanasi
  • Patent number: 7639170
    Abstract: A system and method for the network operation of a universal remote controller (URC) and the URC for realizing said system have been disclosed in the invention, said system comprises: a user service subsystem, a data storing and exchanging device and a user operation subsystem. The network operation method for said URC comprises: collecting the parameters of an existing user's remote controller (RC) via a RC sampling device, analyzing and processing the parameter data as a code program, and transferring to the server device via the Internet in order to store and exchange the data; reading the required program from the server device by the URC via the user terminal device and the Internet to realize the function of the URC. In said URC, the URC is provided with a USB interface circuit for downloading the data on the network into the URC.
    Type: Grant
    Filed: August 25, 2006
    Date of Patent: December 29, 2009
    Assignees: Hangzhou Silan Microelectronics Co., Ltd., Hangzhou Bremax Technology Co., Ltd.
    Inventors: Xiangdong Chen, Wenjie Li, Bin Zhang
  • Publication number: 20090291392
    Abstract: The present invention discloses an antireflective coating composition for applying between a substrate surface and a positive photoresist composition. The antireflective coating composition is developable in an aqueous alkaline developer. The antireflective coating composition comprises a polymer, which comprises at least one monomer unit containing one or more moieties selected from the group consisting of a lactone, maleimide, and an N-alkyl maleimide; and at least one monomer unit containing one or more absorbing moieties. The polymer does not comprise an acid labile group. The present invention also discloses a method of forming and transferring a relief image by using the inventive antireflective coating composition in photolithography.
    Type: Application
    Filed: June 4, 2009
    Publication date: November 26, 2009
    Applicant: INTERNATIONAL BUSINESS MACHINES CORPORATION
    Inventors: Kuang-Jung J. Chen, Mahmoud Khojasteh, Ranee Wai-Ling Kwong, Margaret C. Lawson, Wenjie Li, Kaushal S. Patel, Pushkara R. Varanasi
  • Patent number: 7563563
    Abstract: The present invention discloses an antireflective coating composition for applying between a substrate surface and a positive photoresist composition. The antireflective coating composition is developable in an aqueous alkaline developer. The antireflective coating composition comprises a polymer, which comprises at least one monomer unit containing one or more moieties selected from the group consisting of a lactone, maleimide, and an N-alkyl maleimide; and at least one monomer unit containing one or more absorbing moieties. The polymer does not comprise an acid labile group. The present invention also discloses a method of forming and transferring a relief image by using the inventive antireflective coating composition in photolithography.
    Type: Grant
    Filed: April 18, 2006
    Date of Patent: July 21, 2009
    Assignee: International Business Machines Corporation
    Inventors: Kuang-Jung J. Chen, Mahmoud Khojasteh, Ranee Wai-Ling Kwong, Margaret C. Lawson, Wenjie Li, Kaushal S. Patel, Pushkara R. Varanasi
  • Publication number: 20090181319
    Abstract: Fluorine-free photoacid generators and photoresist compositions containing fluorine-free photoacid generators are enabled as alternatives to PFOS/PFAS photoacid generator-containing photoresists. The photoacid generators are characterized by the presence of a fluorine-free aromatic sulfonate anionic component having one or more electron withdrawing groups. The photoacid generators preferably contain a fluorine-free onium cationic component, more preferably a sulfonium cationic component. The photoresist compositions preferably contain an acid sensitive imaging polymer having a lactone functionality. The compositions are especially useful for forming material patterns using 193 nm (ArF) imaging radiation.
    Type: Application
    Filed: January 16, 2008
    Publication date: July 16, 2009
    Applicant: INTERNATIONAL BUSINESS MACHINES CORPORATION
    Inventors: Wenjie Li, Sen Liu, Wu-Song Huang, Pushkara R. Varanasi, Irene Popova
  • Publication number: 20090054662
    Abstract: The present invention relates to substituted pyrazoles, compositions containing such compounds and methods of treatment. The compounds are glucagon receptor antagonists and thus are useful for treating, preventing or delaying the onset of type 2 diabetes mellitus.
    Type: Application
    Filed: July 21, 2006
    Publication date: February 26, 2009
    Inventors: Lushi Tan, James Christopher McWilliams, Frederick W. Hartner, Naoki Yoshikawa, Wenji Li
  • Publication number: 20080286686
    Abstract: The present invention discloses a composition suitable for use as a top antireflective coating and barrier layer for 193 nm lithography. The inventive composition is soluble in aqueous base solutions and has low refractive index at 193 nm. The inventive composition comprises an aqueous base-soluble polymer having a backbone and a fluorinated half ester moiety. The fluorinated half ester moiety is pendant from the backbone. The present invention also discloses a method of forming a patterned layer on a substrate by using the inventive composition in lithography.
    Type: Application
    Filed: July 21, 2008
    Publication date: November 20, 2008
    Applicant: INTERNATIONAL BUSINESS MACHINES CORPORATION
    Inventors: Wu-Song S. Huang, Wenjie Li, Pushkara R. Varanasi
  • Patent number: 7435537
    Abstract: The present invention discloses a composition suitable for use as a top antireflective coating and barrier layer for 193 nm lithography. The inventive composition is soluble in aqueous base solutions and has low refractive index at 193 nm. The inventive composition comprises an aqueous base-soluble polymer having a backbone and a fluorinated half ester moiety. The fluorinated half ester moiety is pendant from the backbone. The present invention also discloses a method of forming a patterned layer on a substrate by using the inventive composition in lithography.
    Type: Grant
    Filed: June 21, 2006
    Date of Patent: October 14, 2008
    Assignee: International Business Machines Corporation
    Inventors: Wu-Song S. Huang, Wenjie Li, Pushkara R. Varanasi
  • Publication number: 20080233514
    Abstract: A positive photoresist composition comprises a radiation sensitive acid generator, and a polymer that includes a first repeating unit derived from a sulfonamide monomer including a fluorosulfonamide functionality, a second repeating unit having a pendant acid-labile moiety, and a third repeating unit having a lactone functionality. The positive photoresist composition may be used to form patterned features on a substrate, such as those used in the manufacture of a semiconductor device.
    Type: Application
    Filed: June 10, 2008
    Publication date: September 25, 2008
    Applicant: International Business Machines Corporation
    Inventors: Wenjie Li, Pushkara Rao Varanasi
  • Publication number: 20080166568
    Abstract: A top coat material for applying on top of a photoresist material is disclosed. The top coat material includes a polymer, which includes at least one fluorosulfonamide monomer unit having one of the following two structures: wherein: M is a polymerizable backbone moiety; Z is a linking moiety selected from the group consisting of —C(O)O—, —C(O)—, —OC(O)—, and —O—C(O)—C(O)—O—; R1 is selected from the group consisting of an alkylene, an arylene, a semi- or perfluorinated alkylene, and a semi- or perfluorinated arylene; p and q are 0 or 1; R2 is selected from the group consisting of hydrogen, fluorine, an alkyl group of 1 to 6 carbons, and a semi- or perfluorinated alkyl group of 1 to 6 carbons; n is an integer from 1 to 6; and R3 is selected from the group consisting of hydrogen, an alkyl, an aryl, a semi- or perfluorinated alkyl, and a semi- or perfluorinated aryl. The top coat material may be used in lithography processes, wherein the top coat material is applied on a photoresist layer.
    Type: Application
    Filed: March 7, 2008
    Publication date: July 10, 2008
    Applicant: INTERNATIONAL BUSINESS MACHINES CORPORATION
    Inventors: Wenjie Li, Margaret C. Lawson, Pushkara Rao Varanasi
  • Patent number: 7365202
    Abstract: Compounds of structural formula I are modulators of the androgen receptor (AR) in a tissue selective manner.
    Type: Grant
    Filed: December 4, 2006
    Date of Patent: April 29, 2008
    Assignee: Merck & Co., Inc.
    Inventors: Lushi Tan, Robert S. Meissner, Wenjie Li, James J. Perkins, Aaron S. Cote, Joyce Stellabott, Yuan-Hon Kiang
  • Patent number: 7361765
    Abstract: The present invention provides an efficient synthesis for the preparation of ((1R,3S)-3-isopropyl-3-{[3-(trifluoromethyl)-7,8-dihydro-1,6-naphthyridin-6(5H)-yl]carbonyl}cyclopentyl)[(3S,4S)-3-m ethoxytetrahydro-2H-pyran-4-yl]amine and its succinate salt. The present invention additionally provides an efficient syntheses for the preparation of intermediates (3R)-3-methoxytetrahydro-4H-pyran-4-one; (1S,4S)-4-(2,5-dimethyl-1H-pyrrol-1-yl)-1-isopropylcyclopent-2-ene-1-carboxylic acid; and 3-(trifluoromethyl)-5,6,7,8-tetrahydro-1,6-naphthyridine; and for the preparation of the precursor (3S,4S)-N-((1S,4S)-4-isopropyl-4-{[3-(tri-fluoromethyl)-7,8-dihydro-1,6-naphthyridin-6(5H)-yl]carbonyl}cyclopent-2-en-1-yl)-3-methoxytetrahydro-2H-pyran-4-amine.
    Type: Grant
    Filed: October 25, 2004
    Date of Patent: April 22, 2008
    Assignee: Merck & Co., Inc.
    Inventors: Dongwei Cai, Fred Fleitz, Min Ge, Scott Hoerrner, Gary Javadi, Mark Jensen, Robert Larsen, Wenjie Li, Dorian Nelson, Elizabeth Szumigala, Lihu Yang, Changyou Zhou
  • Patent number: 7335456
    Abstract: A top coat material for applying on top of a photoresist material is disclosed. The top coat material includes a polymer, which includes at least one fluorosulfonamide monomer unit having one of the following two structures: wherein: M is a polymerizable backbone moiety; Z is a linking moiety selected from the group consisting of —C(O)O—, —C(O)—, —OC(O)—, and —O—C(O)—C(O)—O—; R1 is selected from the group consisting of an alkylene, an arylene, a semi- or perfluorinated alkylene, and a semi- or perfluorinated arylene; p and q are 0 or 1; R2 is selected from the group consisting of hydrogen, fluorine, an alkyl group of 1 to 6 carbons, and a semi- or perfluorinated alkyl group of 1 to 6 carbons; n is an integer from 1 to 6; and R3 is selected from the group consisting of hydrogen, an alkyl, an aryl, a semi- or perfluorinated alkyl, and a semi- or perfluorinated aryl. The top coat material may be used in lithography processes, wherein the top coat material is applied on a photoresist layer.
    Type: Grant
    Filed: May 27, 2004
    Date of Patent: February 26, 2008
    Assignee: International Business Machines Corporation
    Inventors: Wenjie Li, Margaret C. Lawson, Pushkara Rao Varanasi
  • Publication number: 20080038676
    Abstract: A top coat material for applying on top of a photoresist material is disclosed. The top coat material includes a polymer, which includes at least one fluorosulfonamide monomer unit having one of the following two structures: wherein: M is a polymerizable backbone moiety; Z is a linking moiety selected from the group consisting of —C(O)O—, —C(O)—, —OC(O)—, and —O—C(O)—C(O)—O—; R1 is selected from the group consisting of an alkylene, an arylene, a semi- or perfluorinated alkylene, and a semi- or perfluorinated arylene; p and q are 0 or 1; R2 is selected from the group consisting of hydrogen, fluorine, an alkyl group of 1 to 6 carbons, and a semi- or perfluorinated alkyl group of 1 to 6 carbons; n is an integer from 1 to 6; and R3 is selected from the group consisting of hydrogen, an alkyl, an aryl, a semi- or perfluorinated alkyl, and a semi- or perfluorinated aryl. The top coat material may be used in lithography processes, wherein the top coat material is applied on a photoresist layer.
    Type: Application
    Filed: October 19, 2007
    Publication date: February 14, 2008
    Applicant: INTERNATIONAL BUSINESS MACHINES CORPORATION
    Inventors: Wenjie Li, Margaret Lawson, Pushkara Varanasi
  • Publication number: 20080026315
    Abstract: The present invention discloses a composition suitable for use as a top antireflective coating and barrier layer for 193 nm lithography. The inventive composition is soluble in aqueous base solutions and has low refractive index at 193 nm. The inventive composition comprises an aqueous base-soluble polymer having a backbone and a fluorinated half ester moiety. The fluorinated half ester moiety is pendant from the backbone. The present invention also discloses a method of forming a patterned layer on a substrate by using the inventive composition in lithography.
    Type: Application
    Filed: June 21, 2006
    Publication date: January 31, 2008
    Applicant: INTERNATIONAL BUSINESS MACHINES CORPORATION
    Inventors: Wu-Song S. Huang, Wenjie Li, Pushkara R. Varanasi
  • Patent number: 7314700
    Abstract: The resist compositions having an acid sensitive imaging polymer and a radiation sensitive acid generator component comprising: (i) a first radiation sensitive acid generator selected from the group consisting of dissolution-inhibiting acid generators, and (ii) a second radiation sensitive acid generator selected from the group consisting of unprotected acidic group-functionalized acid generators and acid labile group-protected acidic group-functionalized radiation sensitive acid generators; enables formation of high sensitivity resists suitable for use in EPL, EUV, soft x-ray, and other low energy intensity lithographic imaging applications. The resist compositions may be useful in other lithographic processes as well.
    Type: Grant
    Filed: December 5, 2002
    Date of Patent: January 1, 2008
    Assignee: International Business Machines Corporation
    Inventors: Wu-Song Huang, Wenjie Li, Wayne Moreau, David R. Medeiros, Karen E. Petrillo, Robert N. Lang, Marie Angelopoulos