Patents by Inventor Sandra Hofmann

Sandra Hofmann 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: 20240107355
    Abstract: There is provided an apparatus in a user equipment, the apparatus comprising including: one or more processors, and memory storing instructions that, when executed by the one or more processors, cause the apparatus to: perform measurements on signals received from a target network entity, wherein the user equipment is connected to a serving network entity and calculate a variance of the measurements over a time period. The one or more processors, and memory storing instructions, when executed by the one or more processors, further cause the apparatus to, in response to determining that the calculated variance is above a threshold value, adjust the transmission of a measurement report from the user equipment.
    Type: Application
    Filed: February 3, 2021
    Publication date: March 28, 2024
    Inventors: Sandra Hofmann, Jeroen WIGARD, Frank FREDERIKSEN
  • Patent number: 11225584
    Abstract: Adhesion promoter systems and methods of producing same, the systems including the admixing product of at least 60 percent by weight of a first functionalized polyolefin, and less than 40 percent by weight of a second functionalized polyolefin, based on the total weight of the solid content, and one or more solvents. The second functionalized polyolefin includes homopolymers of propylene or copolymers of propylene with hexene, octene and/or other alpha-olefins. The homopolymers or copolymers have a single unsaturation a terminal succinic anhydride moiety, and additional succinic anhydride substitutions on the polypropylene backbone. The succinic anhydride substitution ranges from about 5 to about 45 weight percent of second functionalized polyolefin.
    Type: Grant
    Filed: April 20, 2011
    Date of Patent: January 18, 2022
    Assignee: Dow Global Technologies LLC
    Inventors: Sandra Hofmann, Bart Noordover, Cristiano Betté, Antonio Batistini, Elisa Passaglia, H. Craig Silvis
  • Patent number: 10144846
    Abstract: The instant invention provides cross-linkable coating compositions, process for producing the same, and substrates coated therewith. The cross-linkable coating composition comprises: (a) polyaldehyde, or acetal or hemiacetal thereof; (b) an acid catalyst having pKa of less than 6; (c) a liquid media; (d) an acrylic polycarbamate comprising at least an average of 2.0 carbamate functional groups, wherein said polycarbamate has a glass transition (Tg) of less than 25° C.; and (e) one or more fillers having a pH in the range of equal to or less than 9 and/or one or more pigments having a pH in the range of equal to or less than 9, and/or one or more additives having a pH in the range of equal to or less than 9, wherein said composition has a curing temperature in the range of less than 70° C.
    Type: Grant
    Filed: June 5, 2014
    Date of Patent: December 4, 2018
    Assignees: Dow Global Technologies LLC, Rohm and Haas Company
    Inventors: Paul J. Popa, Ben W. Schaefer, John N. Argyropoulos, Kenneth E. Wohltmann, Sandra Hofmann, Daniel Haile, Yanxiang Li, Paul Foley
  • Patent number: 10137475
    Abstract: A coating system comprising an epoxy coating layer prepared from an epoxy formulation which comprises an epoxy resin; a curing agent with no more than 4.5 wt % free amine based on a weight solids of the curing agent; and an adjacent layer prepared from a non-isocyanate polyurethane formulation wherein the epoxy formulation and/or non-isocyanate polyurethane formulation optionally further comprise one or more additives selected from the group consisting of solvent, reactive diluent, plasticizer, pigment, filler; rheology modifiers, dispersants, surfactants, UV stabilizers, and corrosion inhibitors is provided. Also provided are a method of applying a multi-layer coating system and an article comprising a coating system.
    Type: Grant
    Filed: June 28, 2017
    Date of Patent: November 27, 2018
    Assignee: Dow Global Technologies LLC
    Inventors: Yanxiang Li, Paul J. Popa, John N. Argyropoulos, Sandra Hofmann, Ray E. Drumright
  • Publication number: 20170291191
    Abstract: A coating system comprising an epoxy coating layer prepared from an epoxy formulation which comprises an epoxy resin; a curing agent with no more than 4.5 wt % free amine based on a weight solids of the curing agent; and an adjacent layer prepared from a non-isocyanate polyurethane formulation wherein the epoxy formulation and/or non-isocyanate polyurethane formulation optionally further comprise one or more additives selected from the group consisting of solvent, reactive diluent, plasticizer, pigment, filler; rheology modifiers, dispersants, surfactants, UV stabilizers, and corrosion inhibitors is provided. Also provided are a method of applying a multi-layer coating system and an article comprising a coating system.
    Type: Application
    Filed: June 28, 2017
    Publication date: October 12, 2017
    Inventors: Yanxiang Li, Paul J. Popa, John N. Argyropoulos, Sandra Hofmann, Ray E. Drumright
  • Patent number: 9718990
    Abstract: A coating system comprising an epoxy coating layer prepared from an epoxy formulation which comprises an epoxy resin; a curing agent with no more than 4.5 wt % free amine based on a weight solids of the curing agent; and an adjacent layer prepared from a non-isocyanate polyurethane formulation wherein the epoxy formulation and/or non-isocyanate polyurethane formulation optionally further comprise one or more additives selected from the group consisting of solvent, reactive diluent, plasticizer, pigment, filler; rheology modifiers, dispersants, surfactants, UV stabilizers, and corrosion inhibitors is provided. Also provided are a method of applying a multi-layer coating system and an article comprising a coating system.
    Type: Grant
    Filed: December 1, 2014
    Date of Patent: August 1, 2017
    Assignee: Dow Global Technologies LLC
    Inventors: Yanxiang Li, Paul J. Popa, John N. Argyropoulos, Sandra Hofmann, Ray Drumright
  • Patent number: 9637434
    Abstract: The invention relates to a method for obtaining ethanol from a carbohydrate-containing raw substrate wherein the ethanol that is produced is separated during fermentation using a carrier gas. The invention further relates to the adsorption of the ethanol from the gas phase to an adsorber, the desorption of the ethanol during a subsequent process step, and to the further concentration of the ethanol.
    Type: Grant
    Filed: December 8, 2010
    Date of Patent: May 2, 2017
    Assignee: SUD-CHEMIE IP GMBH & CO. KG
    Inventors: Michael Zavrel, Michael Kraus, Sandra Hofmann, Ulrich Kettling, Andre Koltermann, Christian Ott, Zdravko Dragovic
  • Patent number: 9604721
    Abstract: The instant invention provides cross-linkable coating compositions, process for producing the same, and substrates coated therewith. The cross-linkable coating composition comprises: (a) polyaldehyde, or acetal or hemiacetal thereof; (b) an acid catalyst having pKa of less than 6; (c) a liquid media; (d) an acrylic polycarbamate comprising at least an average of 2.0 carbamate functional groups, wherein said polycarbamate has a glass transition (Tg) of less than 25° C.; and (e) one or more fillers having a pH in the range of equal to or less than 9 and/or one or more pigments having a pH in the range of equal to or less than 9, and/or one or more additives having a pH in the range of equal to or less than 9, wherein said composition has a curing temperature in the range of less than 70° C.
    Type: Grant
    Filed: June 18, 2013
    Date of Patent: March 28, 2017
    Assignees: Dow Global Technologies LLC, Rohm and Haas Company
    Inventors: Paul J. Popa, Ben W. Schaefer, John N. Argyropoulos, Kenneth Everett Wohltmann, Sandra Hofmann, Daniel Haile, Yanxiang Li, Paul Foley
  • Publication number: 20160130472
    Abstract: The instant invention provides cross-linkable coating compositions, process for producing the same, and substrates coated therewith. The cross-linkable coating composition comprises: (a) polyaldehyde, or acetal or hemiacetal thereof; (b) an acid catalyst having pKa of less than 6; (c) a liquid media; (d) an acrylic polycarbamate comprising at least an average of 2.0 carbamate functional groups, wherein said polycarbamate has a glass transition (Tg) of less than 25° C.; and (e) one or more fillers having a pH in the range of equal to or less than 9 and/or one or more pigments having a pH in the range of equal to or less than 9, and/or one or more additives having a pH in the range of equal to or less than 9, wherein said composition has a curing temperature in the range of less than 70° C.
    Type: Application
    Filed: June 5, 2014
    Publication date: May 12, 2016
    Inventors: Paul J. Popa, Ben W. Schaefer, John N. Argyropoulos, Kenneth E. Wohltmann, Sandra Hofmann, Daniel Haile, Yanxiang Li, Paul Foley
  • Publication number: 20150159041
    Abstract: A coating system comprising an epoxy coating layer prepared from an epoxy formulation which comprises an epoxy resin; a curing agent with no more than 4.5 wt % free amine based on a weight solids of the curing agent; and an adjacent layer prepared from a non-isocyanate polyurethane formulation wherein the epoxy formulation and/or non-isocyanate polyurethane formulation optionally further comprise one or more additives selected from the group consisting of solvent, reactive diluent, plasticizer, pigment, filler; rheology modifiers, dispersants, surfactants, UV stabilizers, and corrosion inhibitors is provided. Also provided are a method of applying a multi-layer coating system and an article comprising a coating system.
    Type: Application
    Filed: December 1, 2014
    Publication date: June 11, 2015
    Inventors: Yanxiang Li, Paul J. Popa, John N. Argyropoulos, Sandra Hofmann, Ray Drumright
  • Publication number: 20140369850
    Abstract: The instant invention provides cross-linkable coating compositions, process for producing the same, and substrates coated therewith. The cross-linkable coating composition comprises: (a) polyaldehyde, or acetal or hemiacetal thereof; (b) an acid catalyst having pKa of less than 6; (c) a liquid media; (d) an acrylic polycarbamate comprising at least an average of 2.0 carbamate functional groups, wherein said polycarbamate has a glass transition (Tg) of less than 25° C.; and (e) one or more fillers having a pH in the range of equal to or less than 9 and/or one or more pigments having a pH in the range of equal to or less than 9, and/or one or more additives having a pH in the range of equal to or less than 9, wherein said composition has a curing temperature in the range of less than 70° C.
    Type: Application
    Filed: June 18, 2013
    Publication date: December 18, 2014
    Inventors: Paul J. Popa, Ben W. Schaefer, John N. Argyropoulos, Kenneth E. Wohltmann, Sandra Hofmann, Daniel Haile, Paul Foley, YanXiang Li
  • Publication number: 20140326919
    Abstract: The invention relates to granulated zeolites with high adsorption capacity for organic molecules and the use of the zeolites for adsorbing organic molecules from liquids or gas streams.
    Type: Application
    Filed: December 12, 2011
    Publication date: November 6, 2014
    Inventors: Ulrich Sohling, Michael Zavrel, Michael Kraus, Sandra Hofmann, Sandra Vogel
  • Publication number: 20130095543
    Abstract: The invention relates to a method for obtaining ethanol from a carbohydrate-containing raw substrate wherein the ethanol that is produced is separated during fermentation using a carrier gas. The invention further relates to the adsorption of the ethanol from the gas phase to an adsorber, the desorption of the ethanol during a subsequent process step, and to the further concentration of the ethanol.
    Type: Application
    Filed: December 8, 2010
    Publication date: April 18, 2013
    Applicant: SUD-CHEMIE AG
    Inventors: Michael Zavrel, Michael Kraus, Sandra Hofmann, Ulrich Kettling, Andre Koltermann, Christian Ott, Zdravko Dragovic
  • Publication number: 20130059164
    Abstract: The instant invention is an adhesion promoter system, and method of producing the same. The adhesion promoter system comprises an aqueous dispersion comprising the melt kneading product of: (a) at least 60 percent by weight of a base polymer, based on the total weight of the solid content, wherein said base polymer comprises a propylene/ethylene copolymer composition, wherein said propylene/ethylene copolymer has a crystallinity in the range of from 1 percent by weight to 30 percent by weight, a heat of fusion in the range of from 2 Joules/gram to 50 Joules/gram), and a DSC melting point in the range of 25° C. to 110° C.; (b) from 0.
    Type: Application
    Filed: April 20, 2011
    Publication date: March 7, 2013
    Applicant: DOW GLOBAL TECHNOLOGIES LLC
    Inventors: Sandra Hofmann, Charles F. Diehl, David L. Malotky, Michael D. Read
  • Publication number: 20130059165
    Abstract: The instant invention is an adhesion promoter system, and method of producing the same. The adhesion promoter system according to the present invention comprises an aqueous dispersion comprising the melt kneading product of: (a) at least 60 percent by weight of a first functionalized polyolefin, based on the total weight of the solid content; (b) optionally from 0.5 to less than 40 percent by weight of a second functionalized polyolefin, based on the total weight of the solid content, wherein said second functionalized polyolefin comprises homopolymers of propylene or copolymers of propylene with hexene, octene and/or other like alpha-olefins, the homopolymers or copolymers having a single unsaturation, a terminal succinic anhydride moiety, and additional succinic anhydride substitutions on the polypropylene backbone, where the succinic anhydride substitution ranges from about 5 to about 45 weight percent of second functionalized polyolefin; (c) from 0.
    Type: Application
    Filed: April 20, 2011
    Publication date: March 7, 2013
    Applicant: Dow Global Technologies LLC
    Inventors: David L. Malotky, Sandra Hofmann, Charles F. Diehl, Michael D. Read, Antonio Batistini, H. Craig Silvis, Cristiano Betté
  • Publication number: 20130059149
    Abstract: The instant invention is an adhesion promoter system, and method of producing the same. The adhesion promoter system comprises the admixing product of: (a) at least 60 percent by weight of a base polymer, based on the total weight of the solid content, wherein said base polymer comprises a propylene/ethylene copolymer composition, wherein said propylene/ethylene copolymer has a crystallinity in the range of from 1 percent by weight to 30 percent by weight, a heat of fusion in the range of from 2 Joules/gram to 50 Joules/gram), and a DSC melting point in the range of 25° C. to 110° C.
    Type: Application
    Filed: April 20, 2011
    Publication date: March 7, 2013
    Applicant: Dow Global Technologies LLC
    Inventors: Sandra Hofmann, Charles F. Diehl, David L. Malotky
  • Publication number: 20130059163
    Abstract: The instant invention is an adhesion promoter system, and method of producing the same. The adhesion promoter system comprises the admixing product of: (a) at least 60 percent by weight of a first functionalized polyolefin, based on the total weight of the solid content; (b) less than 40 percent by weight of a second functionalized polyolefin, based on the total weight of the solid content, wherein said second functionalized polyolefin comprise homopolymers of propylene or copolymers of propylene with hexene, octene and/or other like alpha-olefins, the homopolymers or copolymers having a single unsaturation, a terminal succinic anhydride moiety, and additional succinic anhydride substitutions on the polypropylene backbone, where the succinic anhydride substitution ranges from about 5 to about 45 weight percent of second functionalized polyolefin; (c) in the presence of one or more solvents.
    Type: Application
    Filed: April 20, 2011
    Publication date: March 7, 2013
    Inventors: Sandra Hofmann, Bart Noordover, Cristiano Betté, Antonio Batistini, Elisa Passaglia, H. Craig Silvis
  • Publication number: 20100136273
    Abstract: The present invention is an article of construction formed from an article adhesively-bonded to a layering material through (a) reactive coupling of a functionalized nitroxide or (b) the adhesion of components in a polymer matrix made from or containing a polymer, an organic peroxide, and a functionalized nitroxide. The initial article may be expanded. It may also be polar or nonpolar. Similarly, the layering material may be polar or nonpolar. Other embodiments of the present invention are described, including other articles and methods for preparing the articles.
    Type: Application
    Filed: October 9, 2007
    Publication date: June 3, 2010
    Inventors: Miguel A. Prieto, Peter Sandkuehler, Antonio Batistini, Sandra Hofmann, Stephen F. Hahn, Mohamed Esseghir, Monika Plass, Mark F. Sonnenschein, H. Craig Silvis, Hamed Lakrout, Kevin J. Bouck, Muthu Subramanian, Jinder Jow, Thiam Aik Lim, Stephen Y. Cheng, Lester Yeong
  • Publication number: 20080087380
    Abstract: The present invention is an article of construction formed from an article adhesively-bonded to a layering material through (a) reactive coupling of a functionalized nitroxide or (b) the adhesion of components in a polymer matrix made from or containing a polymer, an organic peroxide, and a functionalized nitroxide. The initial article may be expanded. The initial article may be expanded. It may also be polar or nonpolar. Similarly, the layering material may be polar or nonpolar. Other embodiments of the present invention are described, including other articles and methods for preparing the articles.
    Type: Application
    Filed: October 13, 2006
    Publication date: April 17, 2008
    Applicant: Dow Global Technologies Inc.
    Inventors: Miguel A. Prieto Goubert, Peter Sandkuehler, Antonio Batistini, Sandra Hofmann, Stephen F. Hahn, Mohamed Esseghir, Monika Plass, Mark F. Sonnenschein, H. Craig Silvis, Hamed Lakrout, Kevin J. Bouck