Patents by Inventor Petra M. Stegmaier
Petra M. Stegmaier 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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Patent number: 11905438Abstract: The present disclosure relates to a process of manufacturing a pressure sensitive adhesive, comprising the steps of: a) providing a hot melt mixing apparatus comprising a reaction chamber; b) providing a hot melt processable pressure sensitive adhesive composition comprising: (1) a (meth)acrylate copolymer component comprising: i. C1-C32 (meth)acrylic acid ester monomer units; ii. optionally, ethylenically unsaturated monomer units having functional groups selected from the group consisting of acid, hydroxyl, acid anhydride, epoxide, amine, amide groups, and any combinations thereof; and iii.Type: GrantFiled: June 20, 2019Date of Patent: February 20, 2024Assignee: 3M INNOVATIVE PROPERTIES COMPANYInventors: Niklas M. Matzeit, Pierre R. Bieber, Petra M Stegmaier, Eike H. Klünker, Dmitri D. Iarikov, Jeffrey M. Imsande, Shijing Cheng, Michele A. Craton, George J. Clements
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Publication number: 20220200082Abstract: An electrochemical cell pack includes a housing having an interior space; a plurality of electrochemical cells disposed within the interior space; a thermal management fluid disposed within the interior space such that the electrochemical cell is in thermal communication with the thermal management fluid; and one or more space fillers disposed with the interior volume and in direct contact with the thermal management fluid. The space fillers have a density that is less than the density of the thermal management fluid.Type: ApplicationFiled: May 12, 2020Publication date: June 23, 2022Inventors: Bamidele O. Fayemi, Petra M. Stegmaier, Tyler S. Matthews
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Patent number: 11286407Abstract: The present disclosure relates to an electronic device comprising at least one organic light-emitting diode and a pressure sensitive adhesive composition comprising a synthetic rubber block (co)polymer, and wherein the pressure sensitive adhesive composition has: a) a relative permittivity no greater than 2.50, when measured at an alternating current frequency of 100 kHz according to the test method described in the experimental section; b) a water uptake no greater than 0.60 wt %, when measured after exposure to 60° C. and 95% relative humidity for 120 hours, according to the test method described in the experimental section; and c) optionally, a peel adhesion value above 0.20 N/mm, when measured at 85° C. according to the test method described in the experimental section.Type: GrantFiled: December 20, 2017Date of Patent: March 29, 2022Assignee: 3M Innovative Properties CompanyInventors: John W. McAllister, Jingjing Ma, Zhong Chen, Pierre R. Bieber, Petra M. Stegmaier, Eike H. Klünker
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Publication number: 20210395579Abstract: The present disclosure relates to a process of manufacturing a pressure sensitive adhesive, comprising the steps of: a) providing a hot melt mixing apparatus comprising a reaction chamber; b) providing a hot melt processable pressure sensitive adhesive composition comprising: (1) a (meth)acrylate copolymer component comprising: i. C1-C32 (meth)acrylic acid ester monomer units; ii. optionally, ethylenically unsaturated monomer units having functional groups selected from the group consisting of acid, hydroxyl, acid anhydride, epoxide, amine, amide groups, and any combinations thereof; and iii.Type: ApplicationFiled: June 20, 2019Publication date: December 23, 2021Inventors: Niklas M. Matzeit, Pierre R. Bieber, Petra M Stegmaier, Eike H. Klünker, Dmitri D. Iarikov, Jeffrey M. Imsande, Shijing Cheng, Michele A. Craton, George J. Clements
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Publication number: 20210269684Abstract: The present disclosure relates to a process of manufacturing a pressure sensitive adhesive, comprising the steps of: a) providing a hot melt mixing apparatus comprising a reaction chamber; b) providing a hot melt processable pressure sensitive adhesive composition comprising: (1) a (meth)acrylate copolymer component comprising: i. C1-C32 (meth)acrylic acid ester monomer units; ii. optionally, ethylenically unsaturated monomer units having functional groups selected from the group consisting of acid, hydroxyl, acid anhydride, epoxide, amine, amide groups, and any combinations thereof; and iii.Type: ApplicationFiled: June 20, 2019Publication date: September 2, 2021Inventors: Niklas M. Matzeit, Pierre R. Bieber, Petra M Stegmaier, Eike H. Klünker, Dmitri D. Iarikov, Jeffrey M. Imsande, Shijing Cheng, Michele A. Craton, George J. Clements
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Publication number: 20210130661Abstract: The present disclosure relates to an electronic device comprising at least one organic light-emitting diode and a pressure sensitive adhesive composition comprising a synthetic rubber block (co)polymer, and wherein the pressure sensitive adhesive composition has: a) a relative permittivity no greater than 2.50, when measured at an alternating current frequency of 100 kHz according to the test method described in the experimental section; b) a water uptake no greater than 0.60 wt %, when measured after exposure to 60° C. and 95% relative humidity for 120 hours, according to the test method described in the experimental section; and c) optionally, a peel adhesion value above 0.20 N/mm, when measured at 85° C. according to the test method described in the experimental section.Type: ApplicationFiled: December 20, 2017Publication date: May 6, 2021Inventors: John W. McAllister, Jingjing Ma, Zhong Chen, Pierre R. Bieber, Petra M. Stegmaier, Eike H. Klünker
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Patent number: 10920116Abstract: A method of preparing a crosslinked pressure-sensitive adhesive is provided, including exposing at least one radiation crosslinkable pressure-sensitive adhesive composition to radiation from at least one light-emitting diode to crosslink the radiation crosslinkable pressure-sensitive adhesive composition. The crosslinked pressure-sensitive adhesive is optionally a hot melt processable pressure-sensitive adhesive. A radiation crosslinked pressure-sensitive adhesive is provided, prepared by the method. Also, an adhesive article is provided including a flexible backing layer and the radiation crosslinked pressure-sensitive adhesive prepared by the method. The crosslinked pressure-sensitive adhesive tends to exhibit high shear without sacrificing peel force or tack.Type: GrantFiled: March 22, 2016Date of Patent: February 16, 2021Assignee: 3M Innovative Properties CompanyInventors: Robin E. Wright, Petra M. Stegmaier
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Publication number: 20190211233Abstract: The present disclosure relates to a pressure sensitive adhesive comprising: a) a multi-arm block copolymer of the formula Qn-Y, wherein: (i) Q represents an arm of the multi-arm block copolymer and each arm independently has the formula G-R, (ii) n represents the number of arms and is a whole number of at least 3, and (iii) Y is the residue of a multifunctional coupling agent, wherein each R is a rubbery block comprising a polymerized conjugated diene, a hydrogenated derivative of a polymerized conjugated diene, or combinations thereof; and each G is a glassy block comprising a polymerized monovinyl aromatic monomer; b) a polymeric plasticizer having a weight average molecular weight Mw comprised between 10.000 and 100.Type: ApplicationFiled: April 28, 2017Publication date: July 11, 2019Inventors: Pierre R. Bieber, Petra M. Stegmaier, Niklas M. Matzeit, Janina R. Overbeck, Siegfried R. Goeb, Joern Buettner, Claudia Parys, Eike H. Klünker, Andrew Satrijo, Nelson Goncalves Pimentel, Christiane Strerath
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Publication number: 20190194500Abstract: Ionizing radiation crosslinkable pressure sensitive adhesive precursors containing hydrocarbon tackifiers and having an acid content of no more than 3% by weight. The precursors can be exposed to a source of ionizing radiation, for example, one or both of an electron beam or gamma radiation, for an exposure time sufficient to receive an energy dose sufficient to at least partially crosslink the adhesive precursor, thereby forming a pressure sensitive adhesive. Methods of using ionizing radiation to crosslink a crosslinkable pressure sensitive adhesive precursor are also disclosed.Type: ApplicationFiled: June 28, 2017Publication date: June 27, 2019Applicant: 3M Innovative Properties CompanyInventors: Petra M. STEGMAIER, Francois C. D'HAESE, Stijn A.M. D'HOLLANDER, Sasha B. MYERS, Ryan B. PRINCE
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Patent number: 10294396Abstract: The present disclosure is directed to a curable precursor of a pressure sensitive adhesive comprising a) a (co)polymeric material comprising a rubber-based elastomeric material; b) a polyfunctional aziridine curing agent; and c) an acid generating agent. The present disclosure is also directed to a method of manufacturing such pressure sensitive adhesives and uses thereof.Type: GrantFiled: November 5, 2015Date of Patent: May 21, 2019Assignee: 3M Innovative Properties CompanyInventors: Silke D. Mechernich, Mareike Richter, Pierre R. Bieber, Petra M. Stegmaier
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Patent number: 10106708Abstract: The present disclosure relates to a pressure sensitive adhesive foam comprising a rubber-based elastomeric material, at least one hydrocarbon tackifier and a crosslinking additive selected from the group of multifunctional (meth)acrylate compounds. The present disclosure also relates to a method of manufacturing such a pressure sensitive adhesive foam and uses thereof.Type: GrantFiled: July 29, 2014Date of Patent: October 23, 2018Assignee: 3M INNOVATIVE PROPERTIES COMPANYInventors: Pierre Reinhard Bieber, Petra M. Stegmaier, Siegfried R. Goeb
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Patent number: 10035931Abstract: The present invention relates to a radiation crosslinkable pressure sensitive adhesive precursor comprising: a) an acrylate base polymer; b) a co-polymerized type (II) photocrosslinker, in a amount greater than 0.05 parts by weight per 100 parts by weight of acrylate base polymer; c) a co-polymerized hydrogen-donating monomer; and d) a tackifying resin, in an amount greater than 40 parts by weight per 100 parts by weight of acrylate base polymer. The present invention is also directed to a method of preparing a radiation crosslinked pressure sensitive adhesive.Type: GrantFiled: July 10, 2017Date of Patent: July 31, 2018Assignee: 3M INNOVATIVE PROPERTIES COMPANYInventors: Francois C. D'Haese, Stijn A. D'hollander, Petra M. Stegmaier
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Publication number: 20180037775Abstract: A method of preparing a crosslinked pressure-sensitive adhesive is provided, including exposing at least one radiation crosslinkable pressure-sensitive adhesive composition to radiation from at least one light-emitting diode to crosslink the radiation crosslinkable pressure-sensitive adhesive composition. The crosslinked pressure-sensitive adhesive is optionally a hot melt processable pressure-sensitive adhesive. A radiation crosslinked pressure-sensitive adhesive is provided, prepared by the method. Also, an adhesive article is provided including a flexible backing layer and the radiation crosslinked pressure-sensitive adhesive prepared by the method. The crosslinked pressure-sensitive adhesive tends to exhibit high shear without sacrificing peel force or tack.Type: ApplicationFiled: March 22, 2016Publication date: February 8, 2018Inventors: Robin E. Wright, Petra M. Stegmaier
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Publication number: 20170362468Abstract: Crosslinkable pressure sensitive adhesive precursors containing hydrocarbon tackifiers can have content of no more than 3%, and can be crosslinked to provide pressure sensitive adhesives.Type: ApplicationFiled: December 14, 2015Publication date: December 21, 2017Applicant: 3M INNOVATIVE PROPERTIES COMPANYInventors: FRANCOIS C. D'HAESE, STIJN D'HOLLANDER, PETRA M. STEGMAIER, MICHEL A. VRANCKEN, RACHID M. AIT LHADJ
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Publication number: 20170355885Abstract: The present disclosure is directed to a curable precursor of a pressure sensitive adhesive comprising a) a (co)polymeric material comprising a rubber-based elastomeric material; b) a polyfunctional aziridine curing agent; and c) an acid generating agent. The present disclosure is also directed to a method of manufacturing such pressure sensitive adhesives and uses thereof.Type: ApplicationFiled: November 5, 2015Publication date: December 14, 2017Inventors: Silke D. Mechernich, Mareike Richter, Pierre R. Bieber, Petra M. Stegmaier
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Publication number: 20170321089Abstract: The present disclosure relates to a multilayer pressure sensitive adhesive assembly comprising a polymeric foam layer and a first pressure sensitive adhesive layer adjacent to the polymeric foam layer, wherein first the pressure sensitive adhesive comprises: a) a multi-arm block copolymer of the formula Qn-Y, wherein: (i) Q represents an arm of the multi-arm block copolymer and each arm independently has the formula G-R, (ii) n represents the number of arms and is a whole number of at least 3, and (iii) Y is the residue of a multifunctional coupling agent, ?wherein each R is a rubbery block comprising a polymerized conjugated diene, a hydrogenated derivative of a polymerized conjugated diene, or combinations thereof; and each G is a glassy block comprising a polymerized monovinyl aromatic monomer; b) a polymeric plasticizer having a weight average molecular weight Mw of at least 10,000 g/mol; c) at least one hydrocarbon tackifier, wherein the hydrocarbon tackifier(s) have a Volatile Organic Compound (VOType: ApplicationFiled: November 5, 2015Publication date: November 9, 2017Inventors: Pierre R. Bieber, Petra M. Stegmaier, Janina R. Overbeck, Siegfried R. Goeb
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Publication number: 20170313910Abstract: The present disclosure relates to a pressure sensitive adhesive comprising: a) a multi-arm block copolymer of the formula Qn-Y, wherein: (i) Q represents an arm of the multi-arm block copolymer and each arm independently has the formula G-R, (ii) n represents the number of arms and is a whole number of at least 3, and (iii) Y is the residue of a multifunctional coupling agent, ?wherein each R is a rubbery block comprising a polymerized conjugated diene, a hydrogenated derivative of a polymerized conjugated diene, or any combinations thereof; and each G is a glassy block comprising a polymerized monovinyl aromatic monomer; b) a polymeric plasticizer having a weight average molecular weight Mw of at least 10,000 g/mol; c) at least one hydrocarbon tackifier, wherein the hydrocarbon tackifier(s) have a Volatile Organic Compound (VOC) value of less than 1000 ppm, when measured by thermogravimetric analysis according to the weight loss test methods described in the experimental section; and d) optionally, a lType: ApplicationFiled: November 5, 2015Publication date: November 2, 2017Applicant: 3M INNOVATIVE PROPERTIES COMPANYInventors: Pierre R. Bieber, Petra M. Stegmaier, Janina R. Overbeck, Siegfried R. Goeb, Niklas M. Matzeit
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Publication number: 20170313908Abstract: The present invention relates to a radiation crosslinkable pressure sensitive adhesive precursor comprising: a) an acrylate base polymer; b) a co-polymerized type (II) photocrosslinker, in a amount greater than 0.05 parts by weight per 100 parts by weight of acrylate base polymer; c) a co-polymerized hydrogen-donating monomer; and d) a tackifying resin, in an amount greater than 40 parts by weight per 100 parts by weight of acrylate base polymer. The present invention is also directed to a method of preparing a radiation crosslinked pressure sensitive adhesive.Type: ApplicationFiled: July 10, 2017Publication date: November 2, 2017Inventors: Francois C. D'Haese, Stijn A. D'hollander, Petra M. Stegmaier
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Publication number: 20170260350Abstract: The present disclosure relates to a pressure sensitive adhesive foam comprising a rubber-based elastomeric material and at least one hydrocarbon tackifier, wherein the hydrocarbon tackifier(s) have a Volatile Organic Compound (VOC) value of less than 1000 ppm and a Volatile Fogging Compound (FOG) value of less than 1500 ppm, when measured by thermogravimetric analysis according to the weight loss test methods described in the experimental section. The present disclosure also relates to a method of manufacturing such a pressure sensitive adhesive foam and uses thereof.Type: ApplicationFiled: May 24, 2017Publication date: September 14, 2017Inventors: Pierre Reinhard Bieber, Petra M. Stegmaier, Siegfried R. Goeb
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Patent number: 9701873Abstract: The present invention relates to a radiation crosslinkable pressure sensitive adhesive precursor comprising: a) an acrylate base polymer; b) a co-polymerized type (II) photocrosslinker, in a amount greater than 0.05 parts by weight per 100 parts by weight of acrylate base polymer; c) a co-polymerized hydrogen-donating monomer; and d) a tackifying resin, in an amount greater than 40 parts by weight per 100 parts by weight of acrylate base polymer. The present invention is also directed to a method of preparing a radiation crosslinked pressure sensitive adhesive.Type: GrantFiled: November 5, 2013Date of Patent: July 11, 2017Assignee: 3M Innovative Properties CompanyInventors: Francois C. D'Haese, Stijn A. D'hollander, Petra M. Stegmaier