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).
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Publication number: 20240107355Abstract: 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: ApplicationFiled: February 3, 2021Publication date: March 28, 2024Inventors: Sandra Hofmann, Jeroen WIGARD, Frank FREDERIKSEN
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Patent number: 11225584Abstract: 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: GrantFiled: April 20, 2011Date of Patent: January 18, 2022Assignee: Dow Global Technologies LLCInventors: Sandra Hofmann, Bart Noordover, Cristiano Betté, Antonio Batistini, Elisa Passaglia, H. Craig Silvis
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Patent number: 10144846Abstract: 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: GrantFiled: June 5, 2014Date of Patent: December 4, 2018Assignees: Dow Global Technologies LLC, Rohm and Haas CompanyInventors: Paul J. Popa, Ben W. Schaefer, John N. Argyropoulos, Kenneth E. Wohltmann, Sandra Hofmann, Daniel Haile, Yanxiang Li, Paul Foley
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Coating system, a method of applying the coating system and an article comprising the coating system
Patent number: 10137475Abstract: 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: GrantFiled: June 28, 2017Date of Patent: November 27, 2018Assignee: Dow Global Technologies LLCInventors: Yanxiang Li, Paul J. Popa, John N. Argyropoulos, Sandra Hofmann, Ray E. Drumright -
COATING SYSTEM, A METHOD OF APPLYING THE COATING SYSTEM AND AN ARTICLE COMPRISING THE COATING SYSTEM
Publication number: 20170291191Abstract: 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: ApplicationFiled: June 28, 2017Publication date: October 12, 2017Inventors: Yanxiang Li, Paul J. Popa, John N. Argyropoulos, Sandra Hofmann, Ray E. Drumright -
Coating system, a method of applying the coating system and an article comprising the coating system
Patent number: 9718990Abstract: 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: GrantFiled: December 1, 2014Date of Patent: August 1, 2017Assignee: Dow Global Technologies LLCInventors: Yanxiang Li, Paul J. Popa, John N. Argyropoulos, Sandra Hofmann, Ray Drumright -
Patent number: 9637434Abstract: 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: GrantFiled: December 8, 2010Date of Patent: May 2, 2017Assignee: SUD-CHEMIE IP GMBH & CO. KGInventors: Michael Zavrel, Michael Kraus, Sandra Hofmann, Ulrich Kettling, Andre Koltermann, Christian Ott, Zdravko Dragovic
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Patent number: 9604721Abstract: 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: GrantFiled: June 18, 2013Date of Patent: March 28, 2017Assignees: Dow Global Technologies LLC, Rohm and Haas CompanyInventors: Paul J. Popa, Ben W. Schaefer, John N. Argyropoulos, Kenneth Everett Wohltmann, Sandra Hofmann, Daniel Haile, Yanxiang Li, Paul Foley
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Publication number: 20160130472Abstract: 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: ApplicationFiled: June 5, 2014Publication date: May 12, 2016Inventors: Paul J. Popa, Ben W. Schaefer, John N. Argyropoulos, Kenneth E. Wohltmann, Sandra Hofmann, Daniel Haile, Yanxiang Li, Paul Foley
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Coating System, a Method of Applying the Coating System and an Article Comprising the Coating System
Publication number: 20150159041Abstract: 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: ApplicationFiled: December 1, 2014Publication date: June 11, 2015Inventors: Yanxiang Li, Paul J. Popa, John N. Argyropoulos, Sandra Hofmann, Ray Drumright -
Publication number: 20140369850Abstract: 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: ApplicationFiled: June 18, 2013Publication date: December 18, 2014Inventors: Paul J. Popa, Ben W. Schaefer, John N. Argyropoulos, Kenneth E. Wohltmann, Sandra Hofmann, Daniel Haile, Paul Foley, YanXiang Li
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Publication number: 20140326919Abstract: 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: ApplicationFiled: December 12, 2011Publication date: November 6, 2014Inventors: Ulrich Sohling, Michael Zavrel, Michael Kraus, Sandra Hofmann, Sandra Vogel
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Publication number: 20130095543Abstract: 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: ApplicationFiled: December 8, 2010Publication date: April 18, 2013Applicant: SUD-CHEMIE AGInventors: Michael Zavrel, Michael Kraus, Sandra Hofmann, Ulrich Kettling, Andre Koltermann, Christian Ott, Zdravko Dragovic
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Publication number: 20130059164Abstract: 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: ApplicationFiled: April 20, 2011Publication date: March 7, 2013Applicant: DOW GLOBAL TECHNOLOGIES LLCInventors: Sandra Hofmann, Charles F. Diehl, David L. Malotky, Michael D. Read
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Publication number: 20130059165Abstract: 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: ApplicationFiled: April 20, 2011Publication date: March 7, 2013Applicant: Dow Global Technologies LLCInventors: David L. Malotky, Sandra Hofmann, Charles F. Diehl, Michael D. Read, Antonio Batistini, H. Craig Silvis, Cristiano Betté
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Publication number: 20130059149Abstract: 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: ApplicationFiled: April 20, 2011Publication date: March 7, 2013Applicant: Dow Global Technologies LLCInventors: Sandra Hofmann, Charles F. Diehl, David L. Malotky
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Publication number: 20130059163Abstract: 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: ApplicationFiled: April 20, 2011Publication date: March 7, 2013Inventors: Sandra Hofmann, Bart Noordover, Cristiano Betté, Antonio Batistini, Elisa Passaglia, H. Craig Silvis
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Publication number: 20100136273Abstract: 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: ApplicationFiled: October 9, 2007Publication date: June 3, 2010Inventors: 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
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Publication number: 20080087380Abstract: 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: ApplicationFiled: October 13, 2006Publication date: April 17, 2008Applicant: 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