Patents by Inventor Roelf-Peter BAUMANN

Roelf-Peter BAUMANN 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: 10850238
    Abstract: Process for reducing the fouling of a surface O, wherein an aqueous solution S of at least one polymer P comprising styrene and at least one ester E of (meth)acrylic acid and polyethylene oxide in a molar ratio of 0.05:1 to 50:1 is applied to said surface O.
    Type: Grant
    Filed: April 12, 2016
    Date of Patent: December 1, 2020
    Assignee: SOLENIS TECHNOLOGIES, L.P.
    Inventors: Rupert Konradi, Cristina Cepraga, Claudia Staudt, Bernhard Von Vacano, Matthias Kellermeier, Peter Stengel, Roelf-Peter Baumann, Laurent Marty, Jelan Kuhn, Sarah-Jane Schauksdat, Ludger Wegmann, Erik Bohrer
  • Patent number: 10844325
    Abstract: A post chemical-mechanical-polishing (post-CMP) cleaning composition including: (A) polyethylene glycol (PEG) with a mass average molar mass (Mw) in the range of from 400 to 8,000 g/mol, (B) an anionic polymer selected from poly(acrylic acid) (PAA), acrylic acid-maleic acid copolymers, polyaspartic acid (PASA), polyglutamic acid (PGA), polyvinylphosphonic acid, polyvinylsulfonic acid, poly(styrenesulfonic acid), polycarboxylate ethers (PCE), PEG-phosphorous acids, and copolymers of the polymers thereof, and (C) water, where the pH of the composition is from 7.0 to 10.5.
    Type: Grant
    Filed: December 20, 2016
    Date of Patent: November 24, 2020
    Assignee: BASF SE
    Inventors: Christian Daeschlein, Max Siebert, Michael Lauter, Peter Przybylski, Julian Proelss, Andreas Klipp, Haci Osman Guevenc, Leonardus Leunissen, Roelf-Peter Baumann, Te Yu Wei
  • Patent number: 10844333
    Abstract: Described is a post chemical-mechanical-polishing (post-CMP) cleaning composition comprising or consisting of: (A) one or more nonionic polymers selected from the group consisting of poly-acrylamides, polyhydroxyethyl(meth)acrylates (PHE(M)A), polyvinylpyrrolidone (PVP), polyvinyl alcohol (PVA), polymers of formula (I), and mixtures thereof, wherein R1 is hydrogen, methyl, ethyl, n-propyl, iso-propyl, n-butyl, iso-butyl, or sec-butyl, R2 is hydrogen or methyl, and n is an integer, (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: December 20, 2016
    Date of Patent: November 24, 2020
    Assignee: BASF SE
    Inventors: Christian Daeschlein, Max Siebert, Michael Lauter, Piotr Przybylski, Julian Proelss, Andreas Klipp, Haci Osman Guevenc, Leonardos Leunissen, Roelf-Peter Baumann, Te Yu Wei
  • Publication number: 20190002802
    Abstract: Described is a post chemical-mechanical-polishing (post-CMP) cleaning composition comprising or consisting of: (A) one or more nonionic polymers selected from the group consisting of poly-acrylamides, polyhydroxyethyl(meth)acrylates (PHE(M)A), polyvinylpyrrolidone (PVP), polyvinyl alcohol (PVA), polymers of formula (I), and mixtures thereof, wherein R1 is hydrogen, methyl, ethyl, n-propyl, iso-propyl, n-butyl, iso-butyl, or sec-butyl, R2 is hydrogen or methyl, and n is an integer, (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: Application
    Filed: December 20, 2016
    Publication date: January 3, 2019
    Applicant: BASF SE
    Inventors: Christian DAESCHLEIN, Max SIEBERT, Michael LAUTER, Piotr PRZYBYLSKI, Julian PROELSS, Andreas KLIPP, Haci Osman GUEVENC, Leonardus LEUNISSEN, Roelf-Peter BAUMANN, Te Yu WEI
  • Publication number: 20180371371
    Abstract: A post chemical-mechanical-polishing (post-CMP) cleaning composition including: (A) polyethylene glycol (PEG) with a mass average molar mass (Mw) in the range of from 400 to 8,000 g/mol, (B) an anionic polymer selected from poly(acrylic acid) (PAA), acrylic acid-maleic acid copolymers, polyaspartic acid (PASA), polyglutamic acid (PGA), polyvinylphosphonic acid, polyvinylsulfonic acid, poly(styrenesulfonic acid), polycarboxylate ethers (PCE), PEG-phosphorous acids, and copolymers of the polymers thereof, and (C) water, where the pH of the composition is from 7.0 to 10.5.
    Type: Application
    Filed: December 20, 2016
    Publication date: December 27, 2018
    Applicant: BASF SE
    Inventors: Christian DAESCHLEIN, Max SIEBERT, Michael LAUTER, Peter PRZYBYLSKI, Julian PROELSS, Andreas KLIPP, Haci Osman GUEVENC, Leonardus LEUNISSEN, Roelf-Peter BAUMANN, Te Yu WEI
  • Publication number: 20170044421
    Abstract: The present invention relates to an emulsion comprising: a) water, b) at least one crude oil and c) at least one layered double hydroxide of general formula (I), whereby the layered double hydroxide of general formula (I) is present in the form of solid particles. The present invention further relates to a process for the preparation of the emulsion and the use of the same.
    Type: Application
    Filed: April 20, 2015
    Publication date: February 16, 2017
    Inventors: Andrei-Nicolae PARVULESCU, Riichiro KIMURA, Stefam MAURER, Roelf-Peter BAUMANN, Lorenz SIGGEL, Ulrich MÜLLER
  • Publication number: 20170037296
    Abstract: The present invention relates to a process for recovering oil from an oil-reservoir comprising at least the steps of a) providing solid particles and water, whereby the solid particles comprise at least one layered double hydroxide of general formula (I), b) combining the solid particles and water with the oil in the oil-reservoir, c) mixing the components of step b) to obtain an emulsion containing droplets, wherein the emulsion comprises the solid particles, water and oil, d) transferring the emulsion out of the oil-reservoir, and e) recovering the solid particles of the emulsion.
    Type: Application
    Filed: April 20, 2015
    Publication date: February 9, 2017
    Inventors: Riichiro KIMURA, Andrei-Nicolae PARVULESCU, Stefan MAURER, Roelf-Peter BAUMANN, Lolenz SIGGEL, Ulrich MÜLLER