Patents by Inventor Roman A. IVANOV

Roman A. IVANOV 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).

  • Publication number: 20240015167
    Abstract: A method and a system for controlling tracking of web-browsing activities of a user in a browser application are provided. The method comprises: receiving, from a given web server, data representative of a web page to be displayed in the browser application; identifying, based on the data, elements of the web page linked to at least one in-use third-party web resource; obtaining in-use data including at least data of past user interactions of the user with the at least one in-use third-party web resource; feeding the in-use data to an MLA to determine a probability value of the user allowing sharing a respective third-party cookie of the at least one in-use third-party web resource therewith while browsing the web page; in response to the probability value being lower than a threshold value, determining that the user is unlikely to allow sharing the respective third-party cookie while browsing the web page.
    Type: Application
    Filed: July 5, 2023
    Publication date: January 11, 2024
    Inventors: Sergei Lisitcyn, Olga SMIRNOVA, Roman IVANOV
  • Patent number: 11725116
    Abstract: A chemical mechanical polishing composition includes a liquid carrier and colloidal silica particles dispersed in the liquid carrier. The colloidal silica particles have a positive charge of at least 10 mV in the liquid carrier and may be characterized as having: (i) a number average aspect ratio of greater than about 1.25 and (ii) a normalized particle size span by weight of greater than about 0.42. The polishing composition may further optionally include an iron-containing accelerator and a tungsten etch inhibitor, for example, when the polishing composition is a tungsten CMP composition.
    Type: Grant
    Filed: March 30, 2021
    Date of Patent: August 15, 2023
    Assignee: CMC MATERIALS, INC.
    Inventors: Alexander W. Hains, Kim Long, Steven Grumbine, Roman A. Ivanov, Kevin P. Dockery, Benjamin Petro, Brian Sneed, Galyna Krylova
  • Publication number: 20230059396
    Abstract: A chemical mechanical polishing composition for polishing a substrate having a cobalt layer includes a water based liquid carrier, cationic silica abrasive particles dispersed in the liquid carrier, and a triazole compound, wherein the polishing composition has a pH of greater than about 6 and the cationic silica abrasive particles have a zeta potential of at least 10 mV. The triazole compound is not benzotriazole or a benzotriazole compound. A method for chemical mechanical polishing a substrate including a cobalt layer includes contacting the substrate with the above described polishing composition, moving the polishing composition relative to the substrate, and abrading the substrate to remove a portion of the cobalt layer from the substrate and thereby polish the substrate.
    Type: Application
    Filed: October 24, 2022
    Publication date: February 23, 2023
    Inventors: Fernando HUNG LOW, Steven KRAFT, Roman A. IVANOV, Steven GRUMBINE, Andrew R. WOLFF
  • Patent number: 11492514
    Abstract: A composition comprises, consists of, or consists essentially of a polymer including a derivatized amino acid monomer unit. A chemical mechanical polishing composition includes a water based liquid carrier, abrasive particles dispersed in the liquid carrier, and a cationic polymer having a derivatized amino acid monomer unit. A method of chemical mechanical polishing includes utilizing the chemical mechanical polishing composition to remove at least a portion of a metal or dielectric layer from a substrate and thereby polish the substrate.
    Type: Grant
    Filed: December 16, 2020
    Date of Patent: November 8, 2022
    Assignee: CMC Materials, Inc.
    Inventors: Na Zhang, David Bailey, Kevin P. Dockery, Roman A. Ivanov, Deepak Shukla
  • Publication number: 20220243094
    Abstract: A chemical mechanical polishing composition for polishing a substrate including a silicon carbonitride layer, the composition comprising, consisting essentially of, or consisting of a water based liquid carrier, anionic colloidal silica particles dispersed in the liquid carrier, a topography control agent, and having a pH in a range from about 2 to about 7.
    Type: Application
    Filed: February 4, 2022
    Publication date: August 4, 2022
    Inventors: Lung-Tai LU, Brian Reiss, Roman A. Ivanov
  • Publication number: 20220235247
    Abstract: The invention provides a method of chemically mechanically polishing a substrate, especially a substrate comprising boron-doped polysilicon, comprising contacting the substrate with a chemical-mechanical polishing composition comprising an abrasive selected from ?-alumina, silica, and a combination thereof, ferric ion, an organic acid, or a combination thereof, and water. The invention also provides a chemical-mechanical polishing composition comprising ?-alumina, a nitrogen-containing compound selected from a zwitterionic homopolymer at, a monomeric ammonium salt, and a combination thereof, an organic acid, and water. The invention further provides a chemical-mechanical polishing composition comprising silica, an organic acid, ferric ion, and water.
    Type: Application
    Filed: January 26, 2022
    Publication date: July 28, 2022
    Inventors: Brittany JOHNSON, Brian REISS, Alexander W. HAINS, Roman A. IVANOV
  • Publication number: 20210301178
    Abstract: A chemical mechanical polishing composition includes a liquid carrier and colloidal silica particles dispersed in the liquid carrier. The colloidal silica particles have a positive charge of at least 10 mV in the liquid carrier and may be characterized as having: (i) a number average aspect ratio of greater than about 1.25 and (ii) a normalized particle size span by weight of greater than about 0.42. The polishing composition may further optionally include an iron-containing accelerator and a tungsten etch inhibitor, for example, when the polishing composition is a tungsten CMP composition.
    Type: Application
    Filed: March 30, 2021
    Publication date: September 30, 2021
    Inventors: Alexander W. HAINS, Kim LONG, Steven GRUMBINE, Roman A. IVANOV, Kevin P. DOCKERY, Benjamin PETRO, Brian SNEED, Galyna KRYLOVA
  • Publication number: 20210206920
    Abstract: A composition comprises, consists of, or consists essentially of a polymer including a derivatized amino acid monomer unit. A chemical mechanical polishing composition includes a water based liquid carrier, abrasive particles dispersed in the liquid carrier, and a cationic polymer having a derivatized amino acid monomer unit. A method of chemical mechanical polishing includes utilizing the chemical mechanical polishing composition to remove at least a portion of a metal or dielectric layer from a substrate and thereby polish the substrate.
    Type: Application
    Filed: December 16, 2020
    Publication date: July 8, 2021
    Inventors: Na ZHANG, David BAILEY, Kevin P. DOCKERY, Roman A. IVANOV, Deepak SHUKLA
  • Patent number: 10988635
    Abstract: A chemical mechanical polishing composition for polishing a substrate having copper, barrier, and dielectric layers includes a water based liquid carrier, cationic silica abrasive particles dispersed in the liquid carrier, and a triazole compound, wherein the polishing composition has a pH of greater than about 6 and the cationic silica abrasive particles have a zeta potential of at least 10 mV. The triazole compound is not benzotriazole or a benzotriazole compound. A method for chemical mechanical polishing a substrate including copper, barrier, and dielectric layers includes contacting the substrate with the above described polishing composition, moving the polishing composition relative to the substrate, and abrading the substrate to remove a portion of the copper, barrier, and dielectric layers from the substrate and thereby polish the substrate.
    Type: Grant
    Filed: December 4, 2018
    Date of Patent: April 27, 2021
    Assignee: CMC Materials, Inc.
    Inventors: Steven Kraft, Fernando Hung Low, Roman A. Ivanov, Steven Grumbine
  • Patent number: 10979775
    Abstract: Method for receiving video streams (1001, 1003, 1004) from a video server (10) in a client device (20), the video streams comprising a sequence of videos in a binary data format, the method comprising: receiving (101) a linear video stream (1001) from the video server in the client device; receiving (102) a switching signal (1002) from the video server in the client device; and in response to the switching signal, switching (104) from receiving the linear video stream to receiving (105) a personalized video stream (1003) from the video server in the client device, wherein a last video finishes (103) before switching to the personalized video stream, wherein the last video is a video that is being received in the linear video stream when the switching signal is received in the client device.
    Type: Grant
    Filed: April 14, 2016
    Date of Patent: April 13, 2021
    Assignee: XITE NETWORKS IP B.V.
    Inventors: Pieter Dirk van Zessen, Lucas Jules Angelo, Nikita Kovalchuk, Roman Ivanov
  • Patent number: 10968366
    Abstract: A chemical mechanical polishing composition for polishing a substrate includes a liquid carrier and cationic metal oxide abrasive particles dispersed in the liquid carrier. The cationic metal oxide abrasive particles have a surface modified with at least one compound consisting of a silyl group having at least one quaternary ammonium group. A method for chemical mechanical polishing a substrate including a metal layer includes contacting the substrate with the above described polishing composition, moving the polishing composition relative to the substrate, and abrading the substrate to remove a portion of the metal layer from the substrate and thereby polish the substrate.
    Type: Grant
    Filed: December 4, 2018
    Date of Patent: April 6, 2021
    Assignee: CMC Materials, Inc.
    Inventors: Steven Kraft, Fernando Hung Low, Daniel Clingerman, Roman A. Ivanov, Steven Grumbine
  • Publication number: 20200208014
    Abstract: A chemical mechanical polishing composition includes a water based liquid carrier, cationic abrasive particles dispersed in the liquid carrier, a first amino acid compound having an isoelectric point of less than 7 and a second amino acid compound having an isoelectric point of greater than 7. The pH of the composition is in a range from about 1 to about 5. A method for chemical mechanical polishing a substrate including a tungsten layer includes contacting the substrate with the above described polishing composition, moving the polishing composition relative to the substrate, and abrading the substrate to remove a portion of the tungsten from the substrate and thereby polish the substrate.
    Type: Application
    Filed: December 31, 2018
    Publication date: July 2, 2020
    Inventors: Na ZHANG, Kevin P. DOCKERY, Zhao LIU, Roman A. IVANOV
  • Patent number: 10676647
    Abstract: A chemical mechanical polishing composition includes a water based liquid carrier, cationic abrasive particles dispersed in the liquid carrier, a first amino acid compound having an isoelectric point of less than 7 and a second amino acid compound having an isoelectric point of greater than 7. The pH of the composition is in a range from about 1 to about 5. A method for chemical mechanical polishing a substrate including a tungsten layer includes contacting the substrate with the above described polishing composition, moving the polishing composition relative to the substrate, and abrading the substrate to remove a portion of the tungsten from the substrate and thereby polish the substrate.
    Type: Grant
    Filed: December 31, 2018
    Date of Patent: June 9, 2020
    Assignee: Cabot Microelectronics Corporation
    Inventors: Na Zhang, Kevin P. Dockery, Zhao Liu, Roman A. Ivanov
  • Publication number: 20200172762
    Abstract: A chemical mechanical polishing composition for polishing a substrate having copper, barrier, and dielectric layers includes a water based liquid carrier, cationic silica abrasive particles dispersed in the liquid carrier, and a triazole compound, wherein the polishing composition has a pH of greater than about 6 and the cationic silica abrasive particles have a zeta potential of at least 10 mV. The triazole compound is not benzotriazole or a benzotriazole compound. A method for chemical mechanical polishing a substrate including copper, barrier, and dielectric layers includes contacting the substrate with the above described polishing composition, moving the polishing composition relative to the substrate, and abrading the substrate to remove a portion of the copper, barrier, and dielectric layers from the substrate and thereby polish the substrate.
    Type: Application
    Filed: December 4, 2018
    Publication date: June 4, 2020
    Inventors: Steven KRAFT, Fernando HUNG LOW, Roman A. IVANOV, Steven GRUMBINE
  • Publication number: 20200172761
    Abstract: The invention provides a chemical-mechanical polishing composition for polishing a silicon nitride containing substrate. The composition includes an aqueous carrier; cationic silica particles dispersed in the aqueous carrier, the cationic silica abrasive particles having a zeta potential of at least 10 mV in the polishing composition; a polishing additive selected from the group consisting of a polyether amine, a polysilamine, a polyvinylimidazole, and a combination thereof, wherein the polyether amine and the polysilamine have corresponding weight average molecular weights of about 1,000 g/mol or less. The composition has a pH of greater than about 6. A method for polishing a silicon nitride containing substrate is also provided.
    Type: Application
    Filed: December 4, 2018
    Publication date: June 4, 2020
    Inventors: Fernando HUNG LOW, Steven KRAFT, Roman A. IVANOV
  • Publication number: 20200172760
    Abstract: A chemical mechanical polishing composition for polishing a substrate includes a liquid carrier and cationic metal oxide abrasive particles dispersed in the liquid carrier. The cationic metal oxide abrasive particles have a surface modified with at least one compound consisting of a silyl group having at least one quaternary ammonium group. A method for chemical mechanical polishing a substrate including a metal layer includes contacting the substrate with the above described polishing composition, moving the polishing composition relative to the substrate, and abrading the substrate to remove a portion of the metal layer from the substrate and thereby polish the substrate.
    Type: Application
    Filed: December 4, 2018
    Publication date: June 4, 2020
    Inventors: Steven KRAFT, Fernando HUNG LOW, Daniel CLINGERMAN, Roman A. IVANOV, Steven GRUMBINE
  • Patent number: 10578943
    Abstract: The present invention is directed to an electrophoretic fluid which comprises additive particles. The concentration of the additive particles in the electrophoretic fluid does not exceed 25% by weight and the additive particles are not seen at the viewing side during operation of the display. The resulting fluid can improve optical performance of a display device, such as image stability and contrast ratio. The present invention is also directed to an electrophoretic display comprising the electrophoretic fluid.
    Type: Grant
    Filed: August 28, 2017
    Date of Patent: March 3, 2020
    Assignee: E INK CALIFORNIA, LLC
    Inventors: Ming Wang, Yu Li, Hui Du, Haiyan Gu, Roman Ivanov, Robert A. Sprague, HongMei Zang, Xiaojia Zhang
  • Publication number: 20190241783
    Abstract: The invention provides a chemical-mechanical polishing composition comprising (a) silica particles, (b) a polymer comprising sulfonic acid monomeric units, (c) optionally, a buffering agent, and (d) water, wherein the polishing composition has a pH of about 2 to about 5. The invention further provides a method of chemically-mechanically polishing a substrate with the inventive chemical-mechanical polishing composition. Typically, the substrate comprises silicon carbide and silicon nitride.
    Type: Application
    Filed: April 19, 2019
    Publication date: August 8, 2019
    Inventors: Roman IVANOV, Fernando HUNG LOW, Cheng-Yuan KO, Glenn WHITENER
  • Patent number: 10370640
    Abstract: Self-aligned fibrous scaffolds are disclosed. The scaffolds are capable of automechanoinduction of cell cultures and methods to induce authomechanoinduction in cancer cells and stem cells are disclosed as well.
    Type: Grant
    Filed: July 10, 2017
    Date of Patent: August 6, 2019
    Assignee: Tallinn University of Technology
    Inventors: Irina Hussainova, Michael Gasik, Roman Ivanov
  • Patent number: 10294399
    Abstract: The invention provides a chemical-mechanical polishing composition comprising (a) silica particles, (b) a polymer comprising sulfonic acid monomeric units, (c) optionally, a buffering agent, and (d) water, wherein the polishing composition has a pH of about 2 to about 5. The invention further provides a method of chemically-mechanically polishing a substrate with the inventive chemical-mechanical polishing composition. Typically, the substrate comprises silicon carbide and silicon nitride.
    Type: Grant
    Filed: January 5, 2017
    Date of Patent: May 21, 2019
    Assignee: Cabot Microelectronics Corporation
    Inventors: Roman Ivanov, Fernando Hung Low, Cheng-Yuan Ko, Glenn Whitener