Patents by Inventor Sheik Ansar Usman Ibrahim

Sheik Ansar Usman Ibrahim 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: 11286402
    Abstract: Use of a chemical mechanical polishing (CMP) composition (Q) for chemical mechanical polishing of a substrate (S) comprising (i) cobalt and/or (ii) a cobalt alloy, wherein the CMP composition (Q) comprises (A) Inorganic particles (B) a triazine derivative of the general formula (I) wherein R1, R2, R3, R4, R5 and R6 are independently from each other H, methyl, ethyl, propyl, butyl, pentyl, C2-C10-alkylcarboxylic acid, hydroxymethyl, vinyl or allyl (C) at least one amino acid, (D) at least one oxidizer (E) an aqueous medium and wherein the CMP composition (Q) has a pH of from 7 to 10.
    Type: Grant
    Filed: December 11, 2015
    Date of Patent: March 29, 2022
    Inventors: Robert Reichardt, Max Siebert, Yongqing Lan, Michael Lauter, Sheik Ansar Usman Ibrahim, Reza Golzarian, Haci Osman Guevenc, Julian Proelss, Leonardus Leunissen
  • Patent number: 11264250
    Abstract: Use of a chemical mechanical polishing (CMP) composition (Q) for chemical mechanical polishing of a substrate (S) comprising (i) cobalt and/or (ii) a cobalt alloy, wherein the CMP composition (Q) comprises (A) Inorganic particles (B) an anionic surfactant of the general formula (I) R-S wherein R is C5-C20-alkyl, C5-C20-alkenyl, C5-C20-alkylacyl or C5-C20-alkenylacyl and S is a sulfonic acid derivative, an amino acid derivative or a phosphoric acid derivative or salts or mixtures thereof (C) at least one amino acid, (D) at least one oxidizer (E) an aqueous medium and wherein the CMP composition (Q) has a pH of from 7 to 10.
    Type: Grant
    Filed: April 27, 2016
    Date of Patent: March 1, 2022
    Inventors: Robert Reichardt, Max Siebert, Yongqing Lan, Michael Lauter, Sheik Ansar Usman Ibrahim, Reza M Golzarian, Haci Osman Guevenc, Julian Proelss, Leonardus Leunissen
  • Patent number: 10899945
    Abstract: Use of a chemical mechanical polishing (CMP) composition (Q) for chemical mechanical polishing of a substrate (S) comprising (i) cobalt and/or (ii) a cobalt alloy and (iii) Ti N and/or TaN, wherein the CMP composition (Q) comprises (E) Inorganic particles (F) at least one organic compound comprising an amino-group and an acid group (Y), wherein said compound comprises n amino groups and at least n+1 acidic protons, wherein n is a integer?1. (G) at least one oxidizer in an amount of from 0.2 to 2.5 wt.-% based on the total weight of the respective CMP composition, (H) an aqueous medium wherein the CMP composition (Q) has a pH of more than 6 and less than 9.
    Type: Grant
    Filed: August 9, 2016
    Date of Patent: January 26, 2021
    Assignee: BASF SE
    Inventors: Robert Reichardt, Max Siebert, Yongqing Lan, Michael Lauter, Sheik Ansar Usman Ibrahim, Reza M. Golzarian, Te Yu Wei, Haci Osman Guevenc, Julian Proelss, Leonardus Leunissen
  • Publication number: 20200299547
    Abstract: The presently claimed subject matter is directed to a chemical mechanical polishing (CMP) composition comprising inorganic particles, at least one organic compound comprising an amino group and/or at least one acid group (Y), potassium persulfate, at least one corrosion inhibitor and an aqueous medium for polishing substrates of the semiconductor industry comprising cobalt and/or a cobalt alloy and TiN and/or TaN.
    Type: Application
    Filed: November 12, 2018
    Publication date: September 24, 2020
    Applicant: BASF SE
    Inventors: Christian DAESCHLEIN, Max SIEBERT, Yongqing LAN, Michael LAUTER, Sheik Ansar USMAN IBRAHIM, Reza M GOLZARIAN, Te Yu WEI, Haci Osman GUEVENC, Julian PROELSS, Leonardus LEUNISSEN
  • Publication number: 20200294813
    Abstract: Use of a chemical mechanical polishing (CMP) composition (Q) for chemical mechanical polishing of a substrate (S) comprising (i) cobalt and/or (ii) a cobalt alloy, wherein the CMP composition (Q) comprises (A) Inorganic particles (B) an anionic surfactant of the general formula (I) R-S wherein R is C5-C20-alkyl, C5-C20-alkenyl, C5-C20-alkylacyl or C5-C20-alkenylacyl and S is a sulfonic acid derivative, an amino acid derivative or a phosphoric acid derivative or salts or mixtures thereof (C) at least one amino acid, (D) at least one oxidizer (E) an aqueous medium and wherein the CMP composition (Q) has a pH of from 7 to 10.
    Type: Application
    Filed: April 27, 2016
    Publication date: September 17, 2020
    Applicant: BASF SE
    Inventors: Robert REICHARDT, Max SIEBERT, Yongqing LAN, Michael LAUTER, Sheik Ansar USMAN IBRAHIM, Reza M GOLZARIAN, Haci Osman GUEVENC, Julian PROELSS, Leonardus LEUNISSEN
  • Patent number: 10738219
    Abstract: Use of a chemical mechanical polishing (CMP) composition for polishing of cobalt and/or co-balt alloy comprising substrates Abstract Use of a chemical mechanical polishing (CMP) composition (Q) for chemical mechanical polishing of a substrate (S) comprising (i) cobalt and/or (ii) a cobalt alloy, wherein the CMP composition (Q) comprises (A) Inorganic particles (B) a substituted tetrazole derivative of the general formula (I), wherein R1 is H, hydroxy, alkyl, aryl, alkylaryl, amino, carboxyl, alkylcarboxyl, thio or alkylthio. (C) at least one amino acid (D) at least one oxidizer, (E) an aqueous medium and wherein the CMP composition (Q) has a pH of from 7 to 10.
    Type: Grant
    Filed: December 16, 2015
    Date of Patent: August 11, 2020
    Assignee: BASF SE
    Inventors: Robert Reichardt, Max Siebert, Yongqing Lan, Michael Lauter, Sheik Ansar Usman Ibrahim, Reza M Golzarian, Haci Osman Guevenc, Julian Proelss, Leonardus Leunissen
  • Patent number: 10570316
    Abstract: A chemical mechanical polishing (CMP) composition (Q) comprising (A) Colloidal or fumed inorganic particles (A) or a mixture thereof in a total amount of from 0.0001 to 2.5 wt.-% based on the total weight of the respective CMP composition (B) at least one amino acid in a total amount of from 0.2 to 1 wt.-% based on the total weight of the respective CMP composition (C) at least one corrosion inhibitor in a total amount of from 0.001 to 0.02 wt.-% based on the total weight of the respective CMP composition (D) hydrogen peroxide as oxidizing agent in a total amount of from 0.0001 to 2 wt.-% based on the total amount of the respective CMP composition (E) aqueous medium wherein the CMP composition (Q) has a pH in the range of from 6 to 9.5.
    Type: Grant
    Filed: July 14, 2015
    Date of Patent: February 25, 2020
    Assignee: BASF SE
    Inventors: Robert Reichardt, Max Siebert, Yongqing Lan, Michael Lauter, Haci Osman Guevenc, Julian Proelss, Sheik Ansar Usman Ibrahim, Reza Golzarian
  • Patent number: 10385236
    Abstract: A chemical mechanical polishing (CMP) composition (Q) for chemical mechanical polishing of a substrate (S) containing (i) cobalt and/or (ii) a cobalt alloy, wherein the CMP composition (Q) contains: (A) Inorganic particles, (B) a substituted aromatic compound with at least one carboxylic acid function as corrosion inhibitor, (C) at least one amino acid, (D) at least one oxidizer, (E) an aqueous medium, wherein the CMP composition (Q) has a pH of from 7 to 10.
    Type: Grant
    Filed: December 22, 2015
    Date of Patent: August 20, 2019
    Assignee: BASF SE
    Inventors: Robert Reichardt, Max Siebert, Yongqing Lan, Michael Lauter, Sheik Ansar Usman Ibrahim, Reza Golzarian, Haci Osman Guevenc, Julian Proelss, Leonardus Leunissen
  • Patent number: 10227506
    Abstract: Disclosed herein is a chemical mechanical polishing (CMP) composition (Q) containing (A) inorganic particles, (B) a compound of general formula (I) below, and (C) an aqueous medium, in which the composition (Q) has a pH of from 2 to 6.
    Type: Grant
    Filed: December 4, 2015
    Date of Patent: March 12, 2019
    Assignee: BASF SE
    Inventors: Max Siebert, Michael Lauter, Yongqing Lan, Robert Reichardt, Alexandra Muench, Manuel Six, Gerald Daniel, Bastian Marten Noller, Kevin Huang, Sheik Ansar Usman Ibrahim
  • Publication number: 20180230333
    Abstract: Use of a chemical mechanical polishing (CMP) composition (Q) for chemical mechanical polishing of a substrate (S) comprising (i) cobalt and/or (ii) a cobalt alloy and (iii) Ti N and/or TaN, wherein the CMP composition (Q) comprises (E) Inorganic particles (F) at least one organic compound comprising an amino-group and an acid group (Y), wherein said compound comprises n amino groups and at least n+1 acidic protons, wherein n is a integer?1. (G) at least one oxidizer in an amount of from 0.2 to 2.5 wt.-% based on the total weight of the respective CMP composition, (H) an aqueous medium wherein the CMP composition (Q) has a pH of more than 6 and less than 9.
    Type: Application
    Filed: August 9, 2016
    Publication date: August 16, 2018
    Applicant: BASF SE
    Inventors: Robert REICHARDT, Max SIEBERT, Yongqing LAN, Michael LAUTER, Sheik Ansar USMAN IBRAHIM, Reza M. GOLZARIAN, Te Yu WEI, Haci Osman GUEVENC, Julian PROELSS, Leonardus LEUNISSEN
  • Publication number: 20180016468
    Abstract: Use of a chemical mechanical polishing (CMP) composition for polishing of cobalt and/or co-balt alloy comprising substrates Abstract Use of a chemical mechanical polishing (CMP) composition (Q) for chemical mechanical polishing of a substrate (S) comprising (i) cobalt and/or (ii) a cobalt alloy, wherein the CMP composition (Q) comprises (A) Inorganic particles (B) a substituted tetrazole derivative of the general formula (I), wherein R1 is H, hydroxy, alkyl, aryl, alkylaryl, amino, carboxyl, alkylcarboxyl, thio or alkylthio. (C) at least one amino acid (D) at least one oxidizer, (E) an aqueous medium and wherein the CMP composition (Q) has a pH of from 7 to 10.
    Type: Application
    Filed: December 16, 2015
    Publication date: January 18, 2018
    Applicant: BASF SE
    Inventors: Robert REICHARDT, Max SIEBERT, Yongqing LAN, Michael LAUTER, Sheik Ansar USMAN IBRAHIM, Reza GOLZARIAN, Haci Osman GUEVENC, Julian PROELSS, Leonardus LEUNISSEN
  • Publication number: 20170369743
    Abstract: Disclosed herein is a chemical mechanical polishing (CMP) composition (Q) containing (A) inorganic particles, (B) a compound of general formula (I) below, and (C) an aqueous medium, in which the composition (Q) has a pH of from 2 to 6.
    Type: Application
    Filed: December 4, 2015
    Publication date: December 28, 2017
    Applicant: BASF SE
    Inventors: Max SIEBERT, Michael LAUTER, Yongqing LAN, Robert REICHARDT, Alexandra MUENCH, Manuel SIX, Gerald DANIEL, Bastian Marten NOLLER, Kevin HUANG, Sheik Ansar USMAN IBRAHIM
  • Publication number: 20170369741
    Abstract: Use of a chemical mechanical polishing (CMP) composition (Q) for chemical mechanical polishing of a substrate (S) comprising (i) cobalt and/or (ii) a cobalt alloy, wherein the CMP composition (Q) comprises (A) Inorganic particles (B) a triazine derivative of the general formula (I) wherein R1, R2, R3, R4, R5 and R6 are independently from each other H, methyl, ethyl, propyl, butyl, pentyl, C2-C10-alkylcarboxylic acid, hydroxymethyl, vinyl or allyl (C) at least one amino acid, (D) at least one oxidizer (E) an aqueous medium and wherein the CMP composition (Q) has a pH of from 7 to 10.
    Type: Application
    Filed: December 11, 2015
    Publication date: December 28, 2017
    Applicant: BASF SE
    Inventors: Robert REICHARDT, Max SIEBERT, Yongqing LAN, Michael LAUTER, Sheik Ansar USMAN IBRAHIM, Reza GOLZARIAN, Haci Osman GUEVENC, Julian PROELSS, Leonardus LEUNISSEN
  • Publication number: 20170362464
    Abstract: A chemical mechanical polishing (CMP) composition (Q) for chemical mechanical polishing of a substrate (S) containing (i) cobalt and/or (ii) a cobalt alloy, wherein the CMP composition (Q) contains: (A) Inorganic particles, (B) a substituted aromatic compound with at least one carboxylic acid function as corrosion inhibitor, (C) at least one amino acid, (D) at least one oxidizer, (E) an aqueous medium, wherein the CMP composition (Q) has a pH of from 7 to 10.
    Type: Application
    Filed: December 22, 2015
    Publication date: December 21, 2017
    Applicant: BASF SE
    Inventors: Robert REICHARDT, Max SIEBERT, Yongqing LAN, Michael LAUTER, Sheik Ansar USMAN IBRAHIM, Reza GOLZARIAN, Haci Osman GUEVENC, Julian PROELSS, Leonardus LEUNISSEN
  • Publication number: 20170158913
    Abstract: A chemical mechanical polishing (CMP) composition (Q) comprising (A) Colloidal or fumed inorganic particles (A) or a mixture thereof in a total amount of from 0.0001 to 2.5 wt.-% based on the total weight of the respective CMP composition (B) at least one amino acid in a total amount of from 0.2 to 1 wt.-% based on the total weight of the respective CMP composition (C) at least one corrosion inhibitor in a total amount of from 0.001 to 0.02 wt.-% based on the total weight of the respective CMP composition (D) hydrogen peroxide as oxidizing agent in a total amount of from 0.0001 to 2 wt.-% based on the total amount of the respective CMP composition (E) aqueous medium wherein the CMP composition (Q) has a pH in the range of from 6 to 9.5.
    Type: Application
    Filed: July 14, 2015
    Publication date: June 8, 2017
    Applicant: BASF SE
    Inventors: Robert REICHARDT, Max SIEBERT, Yongqing LAN, Michael LAUTER, Haci Osman GUEVENC, Julian PROELSS, Sheik Ansar USMAN IBRAHIM, Reza GOLZARIAN
  • Patent number: 9487675
    Abstract: A chemical mechanical polishing (CMP) composition comprising: (A) inorganic particles, organic particles, or a mixture or composite thereof, (B) at least one type of an organic polymeric compound as a dispersing agent or charge reversal agent comprising a phosphonate (P(?O)(OR1)(OR2) or phosphonic acid (P(?O)(OH)2) moiety or their deprotonated forms as pendant groups, wherein R1 is alkyl, aryl, alkylaryl, or arylalkyl, R2 is H, alkyl, aryl, alkylaryl, or arylalkyl, and (C) an aqueous medium.
    Type: Grant
    Filed: December 21, 2011
    Date of Patent: November 8, 2016
    Assignee: BASF SE
    Inventors: Vijay Immanuel Raman, Yuzhuo Li, Christian Schade, Shyam Sundar Venkataraman, Eason Yu-Shen Su, Sheik Ansar Usman Ibrahim
  • Publication number: 20160160083
    Abstract: Described is a chemical-mechanical polishing (CMP) composition comprising abrasive particles containing ceria.
    Type: Application
    Filed: July 8, 2014
    Publication date: June 9, 2016
    Applicant: BASF SE
    Inventors: Michael LAUTER, Yuzhuo Li, Bastian Marten NOLLER, Roland LANGE, Robert REICHARDT, Yongqing LAN, Volodymyr BOYKO, Alexander KRAUS, Joachim Von SEYERL, Sheik Ansar USMAN IBRAHIM, Aax SIEBERT, Kristine HARTNAGEL, Joachim DENGLER, Nina Susanne HILLESHEIM
  • Publication number: 20150159050
    Abstract: A chemical mechanical polishing (CMP) composition comprising: (A) inorganic particles, organic particles, or a mixture or composite thereof, (B) at least one type of an organic polymeric compound as a dispersing agent or charge reversal agent comprising a phosphonate (P(?O)(OR1)(0R2) or phosphonic acid (P(?O)(OH)2) moiety or their deprotonated forms as pendant groups, wherein R1 is alkyl, aryl, alkylaryl, or arylalkyl, R2 is H, alkyl, aryl, alkylaryl, or arylalkyl, and (C) an aqueous medium.
    Type: Application
    Filed: December 21, 2011
    Publication date: June 11, 2015
    Applicant: BASF SE
    Inventors: Vijay Immanuel Raman, Christian Schade, Shyam Sundar Venkataraman, Eason Yu-Shen Su, Sheik Ansar Usman Ibrahim
  • Publication number: 20130200038
    Abstract: An aqueous polishing composition having a pH of 3 to 11 and comprising (A) abrasive particles which are positively charged when dispersed in an aqueous medium free from component (B) and of a pH of 3 to 9 as evidenced by the electrophoretic mobility; (B) anionic phosphate dispersing agents; and (C) a polyhydric alcohol component selected from the group consisting of (c1) water-soluble and water-dispersible, aliphatic and cycloaliphatic, monomeric, dimeric and oligomeric polyols having at least 4 hydroxy groups; (c2) a mixture consisting of (c21) water-soluble and water-dispersible, aliphatic and cycloaliphatic polyols having at least 2 hydroxy groups; and (c22) water-soluble or water-dispersible polymers selected from linear and branched alkylene oxide homopolymers and copolymers (c221); and linear and branched, aliphatic and cycloaliphatic poly(N-vinylamide) homopolymers and copolymers (c222); and (c3) mixtures of (c1) and (c2); and a process for polishing substrates for electrical, mechanical and optical de
    Type: Application
    Filed: September 6, 2011
    Publication date: August 8, 2013
    Applicant: BASF SE
    Inventors: Yuzhuo Li, Jea-Ju Chu, Shyam Sundar Venkataraman, Sheik Ansar Usman Ibrahim, Harvey Wayne Pinder
  • Publication number: 20130200039
    Abstract: An aqueous polishing composition comprising (A) at least one water-soluble or water-dispersible compound selected from the group consisting of N-substituted diazenium dioxides and N?-hydroxy-diazenium oxide salts; and (B) at least one type of abrasive particles; the use of the compounds (A) for manufacturing electrical, mechanical and optical devices and a process for polishing substrate materials for electrical, mechanical and optical devices making use of the aqueous polishing composition.
    Type: Application
    Filed: September 6, 2011
    Publication date: August 8, 2013
    Applicant: BASF SE
    Inventors: Bastian Noller, Diana Franz, Yuzhuo Li, Sheik Ansar Usman Ibrahim, Harvey Wayne Pinder, Shyam Sundar Venkataraman