Patents by Inventor William Williams, III

William Williams, III 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: 11960206
    Abstract: A photoresist composition, including an acid-sensitive polymer and photoacid generator compound having Formula (I): wherein, EWG, Y, R, and M+ are the same as described in the specification.
    Type: Grant
    Filed: December 6, 2022
    Date of Patent: April 16, 2024
    Assignee: ROHM AND HASS ELECTRONIC MATERIALS LLC
    Inventors: Emad Aqad, William Williams, III, James F. Cameron
  • Publication number: 20230094313
    Abstract: A photoresist composition, including an acid-sensitive polymer and photoacid generator compound having Formula (I): wherein, EWG, Y, R, and M+ are the same as described in the specification.
    Type: Application
    Filed: December 6, 2022
    Publication date: March 30, 2023
    Inventors: Emad Aqad, William Williams, III, James F. Cameron
  • Patent number: 11550217
    Abstract: A photoresist composition, including an acid-sensitive polymer and photoacid generator compound having Formula (I): wherein, EWG, Y, R, and M+ are the same as described in the specification.
    Type: Grant
    Filed: December 22, 2016
    Date of Patent: January 10, 2023
    Assignee: ROHM AND HAAS ELECTRONIC MATERIALS LLC
    Inventors: Emad Aqad, William Williams, III, James F. Cameron
  • Patent number: 10539870
    Abstract: New photoresist compositions are provided that comprise a carbamate compound that comprises 1) a carbamate group and 2) an ester group. Preferred photoresists of the invention may comprise a resin with acid-labile groups; an acid generator compound; and a carbamate compound that can function to decrease undesired photogenerated-acid diffusion out of unexposed regions of a photoresist coating layer.
    Type: Grant
    Filed: May 31, 2013
    Date of Patent: January 21, 2020
    Assignee: Rohm and Haas Electronic Materials LLC
    Inventors: William Williams, III, Cong Liu, Cheng-Bai Xu
  • Patent number: 10509315
    Abstract: A photoacid generator compound having Formula (I): wherein, EWG, Y, R, and M+ are the same as described in the specification.
    Type: Grant
    Filed: April 8, 2019
    Date of Patent: December 17, 2019
    Assignee: ROHM AND HAAS ELECTRONIC MATERIALS, LLC
    Inventors: William Williams, III, Emad Aqad, James F. Cameron
  • Publication number: 20190243239
    Abstract: A photoacid generator compound having Formula (I): wherein, EWG, Y, R, and M+ are the same as described in the specification.
    Type: Application
    Filed: April 8, 2019
    Publication date: August 8, 2019
    Inventors: William Williams, III, Emad Aqad, James F. Cameron
  • Patent number: 10317795
    Abstract: A photoacid generator compound having Formula (I): wherein, EWG, Y, R, and M+ are the same as described in the specification.
    Type: Grant
    Filed: December 22, 2016
    Date of Patent: June 11, 2019
    Assignee: ROHM AND HAAS ELECTRONIC MATERIALS LLC
    Inventors: William Williams, III, Emad Aqad, James F. Cameron
  • Patent number: 9921475
    Abstract: A photoacid-generating compound has the structure where R1, R2, R3, R4, Q, and X are defined herein. The photoacid-generating compound can be used as a component of a photoresist composition, or as a monomer incorporated into a polymer useful in a photoresist composition. The photoacid-generating compound provides a desired balance of solubility and line width roughness.
    Type: Grant
    Filed: August 31, 2016
    Date of Patent: March 20, 2018
    Assignee: ROHM AND HAAS ELECTRONIC MATERIALS LLC
    Inventors: Emad Aqad, William Williams, III, Cong Liu
  • Publication number: 20180059542
    Abstract: A photoacid-generating compound has the structure where R1, R2, R3, R4, Q, and X are defined herein. The photoacid-generating compound can be used as a component of a photoresist composition, or as a monomer incorporated into a polymer useful in a photoresist composition. The photoacid-generating compound provides a desired balance of solubility and line width roughness.
    Type: Application
    Filed: August 31, 2016
    Publication date: March 1, 2018
    Inventors: Emad Aqad, William Williams, III, Cong Liu
  • Publication number: 20170192352
    Abstract: A photoacid generator compound having Formula (I): wherein, EWG, Y, R, and M+ are the same as described in the specification.
    Type: Application
    Filed: December 22, 2016
    Publication date: July 6, 2017
    Inventors: William Williams, III, Emad Aqad, James F. Cameron
  • Publication number: 20170192353
    Abstract: A photoresist composition, including an acid-sensitive polymer and photoacid generator compound having Formula (I): wherein, EWG, Y, R, and M+ are the same as described in the specification.
    Type: Application
    Filed: December 22, 2016
    Publication date: July 6, 2017
    Inventors: Emad Aqad, William Williams, III, James F. Cameron
  • Patent number: 9440899
    Abstract: A method of separating a secondary alcohol compound from a primary alcohol compound using selective acylation is provided.
    Type: Grant
    Filed: December 15, 2014
    Date of Patent: September 13, 2016
    Assignee: Rohm and Haas Electronic Materials LLC
    Inventors: Christopher D. Gilmore, Chi-Wan Lee, Peter Trefonas, III, William Williams, III, Qiuzhe Xie
  • Publication number: 20160168064
    Abstract: A method of separating a secondary alcohol compound from a primary alcohol compound using selective acylation is provided.
    Type: Application
    Filed: December 15, 2014
    Publication date: June 16, 2016
    Inventors: Christopher D. GILMORE, Chi-Wan LEE, Peter TREFONAS, III, William WILLIAMS, III, Qiuzhen XIE
  • Patent number: 9146470
    Abstract: A photoacid generator compound has the formula (I): [A-(CHR1)p]k-(L)-(CH2)m—(C(R2)2)nSO3?Z+??(I) wherein A is a substituted or unsubstituted, monocyclic, polycyclic, or fused polycyclic C5 or greater cycloaliphatic group optionally comprising O, S, N, F, or a combination comprising at least one of the foregoing, R1 is H, a single bond, or a substituted or unsubstituted C1-30 alkyl group, wherein when R1 is a single bond, R1 is covalently bonded to a carbon atom of A, each R2 is independently H, F, or C1-4 fluoroalkyl, wherein at least one R2 is not hydrogen, L is a linking group comprising a sulfonate group, a sulfonamide group, or a C1-30 sulfonate or sulfonamide-containing group, Z is an organic or inorganic cation, p is an integer of 0 to 10, k is 1 or 2, m is an integer of 0 or greater, and n is an integer of 1 or greater.
    Type: Grant
    Filed: November 4, 2014
    Date of Patent: September 29, 2015
    Assignee: ROHM AND HAAS ELECTRONIC MATERIALS LLC
    Inventors: Emad Aqad, Cheng-Bai Xu, Mingqi Li, Shintaro Yamada, William Williams, III
  • Publication number: 20150056558
    Abstract: A photoacid generator compound has the formula (I): [A—(CHR1)p]k-(L)—(CH2)m—(C(R2)2)nSO3?Z+??(I) wherein A is a substituted or unsubstituted, monocyclic, polycyclic, or fused polycyclic C5 or greater cycloaliphatic group optionally comprising O, S, N, F, or a combination comprising at least one of the foregoing, R1 is H, a single bond, or a substituted or unsubstituted C1-30 alkyl group, wherein when R1 is a single bond, R1 is covalently bonded to a carbon atom of A, each R2 is independently H, F, or C1-4 fluoroalkyl, wherein at least one R2 is not hydrogen, L is a linking group comprising a sulfonate group, a sulfonamide group, or a C1-30 sulfonate or sulfonamide-containing group, Z is an organic or inorganic cation, p is an integer of 0 to 10, k is 1 or 2, m is an integer of 0 or greater, and n is an integer of 1 or greater.
    Type: Application
    Filed: November 4, 2014
    Publication date: February 26, 2015
    Inventors: Emad Aqad, Cheng-Bai Xu, Mingqi Li, Shintaro Yamada, William Williams, III
  • Patent number: 8956799
    Abstract: A photoacid generator includes those of formula (I): wherein each Ra in formula 1 is independently H, F, a C1-10 nonfluorinated organic group, C1-10 fluorinated organic group, or a combination comprising at least one of the foregoing, provided at least one Ra is F or a C1-10 fluorinated organic group, the C1-10 fluorinated and nonfluorinated organic groups each optionally comprising O, S, N, or a combination comprising at least one of the foregoing heteroatoms; L1 is a linking group comprising a heteroatom comprising O, S, N, F, or a combination comprising at least one of the foregoing; G+ is an onium salt of the formula (II): wherein in formula (II), X is S or I, each R0 is independently C1-30 alkyl group; a polycyclic or monocyclic C3-30 cycloalkyl group; a polycyclic or monocyclic C4-30 aryl group; or a combination comprising at least one of the foregoing, provided at least one R0 is substituted where each R0 is a C6 monocyclic aryl group, and wherein when X is I, a is 2, and where X is S, a is 3,
    Type: Grant
    Filed: December 12, 2012
    Date of Patent: February 17, 2015
    Assignee: Rohm and Haas Electronic Materials LLC
    Inventors: Emad Aqad, Cheng-Bai Xu, Mingqi Li, William Williams, III
  • Publication number: 20140356785
    Abstract: New photoresist compositions are provided that comprise a carbamate compound that comprises 1) a carbamate group and 2) an ester group. Preferred photoresists of the invention may comprise a resin with acid-labile groups; an acid generator compound; and a carbamate compound that can function to decrease undesired photogenerated-acid diffusion out of unexposed regions of a photoresist coating layer.
    Type: Application
    Filed: May 31, 2013
    Publication date: December 4, 2014
    Inventors: William Williams, III, Cong Liu, Cheng-Bai Xu
  • Patent number: 8900794
    Abstract: A photoacid generator compound has the formula (I): [A-(CHR1)p]k-(L)-(CH2)m—(C(R2)2)n—SO3?Z+??(I) wherein A is a substituted or unsubstituted, monocyclic, polycyclic, or fused polycyclic C5 or greater cycloaliphatic group optionally comprising O, S, N, F, or a combination comprising at least one of the foregoing, R1 is H, a single bond, or a substituted or unsubstituted C1-30 alkyl group, wherein when R1 is a single bond, R1 is covalently bonded to a carbon atom of A, each R2 is independently H, F, or C1-4 fluoroalkyl, wherein at least one R2 is not hydrogen, L is a linking group comprising a sulfonate group, a sulfonamide group, or a C1-30 sulfonate or sulfonamide-containing group, Z is an organic or inorganic cation, p is an integer of 0 to 10,k is 1 or 2, m is an integer of 0 or greater, and n is an integer of 1 or greater.
    Type: Grant
    Filed: September 28, 2012
    Date of Patent: December 2, 2014
    Assignee: Rohm and Haas Electronic Materials LLC
    Inventors: Emad Aqad, Cheng-Bai Xu, Mingqi Li, Shintaro Yamada, William Williams, III