Patents by Inventor Ivan GARCIA ROMERO

Ivan GARCIA ROMERO 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: 10865361
    Abstract: Described is a post chemical-mechanical-polishing (post-CMP) cleaning composition comprising or consisting of: (A) one or more water-soluble nonionic copolymers of the general formula (I) and mixtures thereof, formula (I) wherein R1 and R3 are independently from each other hydrogen, methyl, ethyl, n-propyl, iso-propyl, n-butyl, iso-Butyl, or sec-butyl, R2 is methyl and x and y are an integer, 1 (B)poly(acrylic acid) (PAA) or acrylic acid-maleic acid copolymer with a mass average molar mass (Mw) of up to 10,000 g/mol, and (C) water, wherein the pH of the composition is in the range of from 7.0 to 10.5.
    Type: Grant
    Filed: May 31, 2017
    Date of Patent: December 15, 2020
    Assignee: BASF SE
    Inventors: Christian Daeschlein, Max Siebert, Michael Lauter, Leonardus Leunissen, Ivan Garcia Romero, Haci Osman Guevenc, Peter Przybylski, Julian Proelss, Andreas Klipp
  • Publication number: 20190144781
    Abstract: Described is a post chemical-mechanical-polishing (post-CMP) cleaning composition comprising or consisting of: (A) one or more water-soluble nonionic copolymers of the general formula (I) and mixtures thereof, formula (I) wherein R1 and R3 are idependently from each other hydrogen, methyl, ethyl, n-propyl, iso-propyl, n-butyl, iso-Butyl, or sec-butyl, R2 is methyl and x and y are an integer,1 (B)poly(acrylic acid) (PAA) oracrylic acid-maleic acid copolymer with a mass average molar mass (Mw) of up to 10,000 g/mol, and (C)water, wherein the pH of the composition is in the range of from 7.0 to 10.5.
    Type: Application
    Filed: May 31, 2017
    Publication date: May 16, 2019
    Applicant: BASF SE
    Inventors: Christian DAESCHLEIN, Max SIEBERT, Michael LAUTER, Leonardus LEUNISSEN, Ivan GARCIA ROMERO, Haci Osman GUEVENC, Peter PRZYBYLSKI, Julian PROELSS, Andreas KLIPP