Patents by Inventor H. Craig Silvis
H. Craig Silvis 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: 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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Publication number: 20200165371Abstract: The invention provides functionalized block composites and crystalline block composites. In particular, the invention provides a functionalized olefin-based polymer formed from at least (A) and (B): (A) a crystalline block composite comprising: a block copolymer comprising a propylene-based crystalline block and crystalline ethylene-based block; a propylene-based crystalline polymer; and, a crystalline ethylene-based polymer; and (B) at least one functionalization agent or a functionalized olefin-based polymer formed from at least (A) and (B): (A) a crystalline block composite comprising: a block copolymer comprising a propylene-based crystalline block and crystalline ethylene-based block; a propylene-based crystalline polymer; and, a crystalline ethylene-based polymer; and (B) at least one functionalization agent.Type: ApplicationFiled: November 21, 2019Publication date: May 28, 2020Inventors: Yushan Hu, Kim L. Walton, Gary R. Marchand, Michael D. Read, H. Craig Silvis
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Patent number: 10487167Abstract: The invention provides functionalized block composites and crystalline block composites. In particular, the invention provides a functionalized olefin-based polymer formed from at least (A) and (B): (A) a crystalline block composite comprising: a block copolymer comprising a propylene-based crystalline block and crystalline ethylene-based block; a propylene-based crystalline polymer; and, a crystalline ethylene-based polymer; and (B) at least one functionalization agent or a functionalized olefin-based polymer formed from at least (A) and (B): (A) a crystalline block composite comprising: a block copolymer comprising a propylene-based crystalline block and crystalline ethylene-based block; a propylene-based crystalline polymer; and, a crystalline ethylene-based polymer; and (B) at least one functionalization agent.Type: GrantFiled: March 7, 2017Date of Patent: November 26, 2019Assignee: Dow Global Technologies LLCInventors: Yushan Hu, Kim L. Walton, Gary R. Marchand, Michael D. Read, H. Craig Silvis
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Publication number: 20170198078Abstract: The invention provides functionalized block composites and crystalline block composites. In particular, the invention provides a functionalized olefin-based polymer formed from at least (A) and (B): (A) a crystalline block composite comprising: a block copolymer comprising a propylene-based crystalline block and crystalline ethylene-based block; a propylene-based crystalline polymer; and, a crystalline ethylene-based polymer; and (B) at least one functionalization agent or a functionalized olefin-based polymer formed from at least (A) and (B): (A) a crystalline block composite comprising: a block copolymer comprising a propylene-based crystalline block and crystalline ethylene-based block; a propylene-based crystalline polymer; and, a crystalline ethylene-based polymer; and (B) at least one functionalization agent.Type: ApplicationFiled: March 7, 2017Publication date: July 13, 2017Inventors: Yushan Hu, Kim L. Walton, Gary R. Marchand, Michael D. Read, H. Craig Silvis
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Patent number: 9200103Abstract: In one aspect the invention provides a melt process for preparing a functionalized olefin multiblock interpolymer, said process comprising grafting onto the backbone of the olefin multiblock interpolymer at least one compound comprising at least one “amine-reactive” group to form a grafted olefin multiblock interpolymer, and reacting a primary-secondary diamine or an alkanolamine with the grafted olefin multiblock interpolymer, without the isolation of the grated olefin multiblock interpolymer.Type: GrantFiled: May 24, 2013Date of Patent: December 1, 2015Assignee: Dow Global Technologies LLCInventors: H. Craig Silvis, Stephen F. Hahn, David F. Pawlowski, Patricia Ansems, Laura K. Mergenhagen, Hamed Lakrout
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Patent number: 9023939Abstract: The invention provides a composition comprising at least one olefin multi-block interpolymer; at least one functionalized olefin-based polymer; and optionally at least one thermoplastic polyurethane. The invention also provides for articles prepared from the inventive compositions and for methods for making the same.Type: GrantFiled: October 15, 2012Date of Patent: May 5, 2015Assignee: Dow Global Technologies LLCInventors: Patricia Ansems, Ashish Batra, Laura B. Weaver, Lawrence J. Effler, H. Craig Silvis, Hamed Lakrout, Laura K. Mergenhagen
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Patent number: 8981013Abstract: The invention provides polyolefin blend compositions of polar and/or non-polar polymers, with at least one functionalized polyolefin polymer selected from the group consisting of: amine functionalized, hydroxyl functionalized, imide functionalized, anhydride functionalized, or carboxylic acid functionalized polyolefin polymers. The invention also provides methods for making the functionalized polyolefin polymer. The invention also provides for materials and articles containing at least one component prepared from such compositions.Type: GrantFiled: December 17, 2007Date of Patent: March 17, 2015Assignee: Dow Global Technologies LLCInventors: H. Craig Silvis, Stephen F. Hahn, David F. Pawlowski, Patricia Ansems, Laura K. Mergenhagen, Hamed Lakrout, Ashish Batra, Laura Bauerle Weaver, Lawrence J. Effler, Katja Oswald
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Publication number: 20130338316Abstract: In one aspect the invention provides a melt process for preparing a functionalized olefin multiblock interpolymer, said process comprising grafting onto the backbone of the olefin multiblock interpolymer at least one compound comprising at least one “amine-reactive” group to form a grafted olefin multiblock interpolymer, and reacting a primary-secondary diamine or an alkanolamine with the grafted olefin multiblock interpolymer, without the isolation of the grated olefin multiblock interpolymer.Type: ApplicationFiled: May 24, 2013Publication date: December 19, 2013Applicant: Dow Global Technologies LLCInventors: H. Craig Silvis, Stephen F. Hahn, David F. Pawlowski, Patricia Ansems, Laura K. Mergenhagen, Hamed Lakrout
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Patent number: 8450430Abstract: In one aspect the invention provides a melt process for preparing a functionalized olefin multiblock interpolymer, said process comprising grafting onto the backbone of the olefin multiblock interpolymer at least one compound comprising at least one “amine-reactive” group to form a grafted olefin multiblock interpolymer, and reacting a primary-secondary diamine or an alkanolamine with the grafted olefin multiblock interpolymer, without the isolation of the grafted olefin multiblock interpolymer.Type: GrantFiled: December 21, 2007Date of Patent: May 28, 2013Assignee: Dow Global Technologies, LLCInventors: H. Craig Silvis, Stephen F. Hahn, David F. Pawlowski, Patricia Ansems, Laura K. Mergenhagen, Hamed Lakrout
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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: 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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Patent number: 8288470Abstract: The invention provides a composition comprising at least one olefin multi-block interpolymer; at least one functionalized olefin-based polymer; and optionally at least one thermoplastic polyurethane. The invention also provides for articles prepared from the inventive compositions and for methods for making the same.Type: GrantFiled: December 21, 2007Date of Patent: October 16, 2012Assignee: Dow Global Technologies LLCInventors: Patricia Ansems, Ashish Batra, Laura Bauerle Weaver, Lawrence J. Effler, H. Craig Silvis, Hamed Lakrout, Laura K. Mergenhagen
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Publication number: 20100143651Abstract: The invention provides polyolefin blend compositions of polar and/or non-polar polymers, with at least one functionalized polyolefin polymer selected from the group consisting of: amine functionalized, hydroxyl functionalized, imide functionalized, anhydride functionalized, or carboxylic acid functionalized polyolefin polymers. The invention also provides methods for making the functionalized polyolefin polymer. The invention also provides for materials and articles containing at least one component prepared from such compositions.Type: ApplicationFiled: December 17, 2007Publication date: June 10, 2010Applicant: Dow Global Technologies Inc.Inventors: H. Craig Silvis, Stephen F. Hahn, David F. Pawlowski, Patricia Ansems, Laura K. Mergenhagen, Hamed Lakrout, Ashish Batra, Laura Bauerle Weaver, Lawrence J. Effler, Katja Oswald
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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: 20100093942Abstract: In one aspect the invention provides a melt process for preparing a functionalized olefin multiblock interpolymer, said process comprising grafting onto the backbone of the olefin multiblock interpolymer at least one compound comprising at least one “amine-reactive” group to form a grafted olefin multiblock interpolymer, and reacting a primary-secondary diamine or an alkanolamine with the grafted olefin multiblock interpolymer, without the isolation of the grafted olefin multiblock interpolymer.Type: ApplicationFiled: December 21, 2007Publication date: April 15, 2010Applicant: Dow Global Technlogies Inc.Inventors: H. Craig Silvis, Stephen F. Hahn, David F. Pawlowski, Patricia Ansems, Laura K. Mergenhagen, Hamed Lakrout
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Publication number: 20100029827Abstract: The invention provides a composition comprising at least one olefin multi-block interpolymer; at least one functionalized olefin-based polymer; and optionally at least one thermoplastic polyurethane. The invention also provides for articles prepared from the inventive compositions and for methods for making the same.Type: ApplicationFiled: December 21, 2007Publication date: February 4, 2010Applicant: Dow Global Technologies IncInventors: Patricia Ansems, Ashish Batra, Laura Bauerle Weaver, Lawrence J. Effler, H. Craig Silvis, Hamed Lakrout, Laura K. Mergenhagen
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Patent number: 7381850Abstract: A monomer suitable for use in forming low dielectric constant films in semiconductor devices comprising i) two dienophile groups (A-functional groups) attached to a single aromatic ring and ii) a second ring structure comprising two conjugated carbon-to-carbon double bonds and a leaving group L (B-functional group), characterized in that said single aromatic ring is directly covalently attached to one of the double bonded carbons of the B functional group or to a fused aromatic ring containing two such double bonded carbons of the B-functional group, and one A-functional group of one monomer is capable of reaction under cycloaddition reaction conditions with the B-functional group of a second monomer to thereby form a polymer.Type: GrantFiled: April 1, 2004Date of Patent: June 3, 2008Assignee: Dow Global Technologies Inc.Inventors: James P. Godschalx, Robert E. Hefner, Jr., Q. Jason Niu, H. Craig Silvis
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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
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Patent number: 6841620Abstract: The present invention includes a composition comprising a coupled impact propylene copolymer. Preferably, the coupled impact propylene copolymer has an elastomeric phase that is present in an amount of at least 9 weight percent of the coupled propylene copolymer. Articles formed from the coupled propylene copolymer exhibit improved directionally balanced impact properties as compared with articles formed form comparable noncoupled impact propylene copolymers and also exhibit improved ductile-to-brittle transition temperatures compared with comparable noncoupled impact propylene copolymers. The invention also includes methods for making the coupled impact propylene copolymers using coupling agents, preferably, poly(sulfonyl azides). The invention further includes articles of manufacture that are made from the coupled impact propylene copolymer of the invention.Type: GrantFiled: October 25, 2002Date of Patent: January 11, 2005Assignee: Dow Global Technologies Inc.Inventors: Patricia Ansems, H. Craig Silvis, Lisa S. Madenjian
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Publication number: 20040253442Abstract: The present invention is a method comprising: providing a substrate; solvent coating onto the substrate a composition comprising a curable, highly aromatic, organic matrix material and porogens which are cross-linked nanoparticles consisting essentially of residual monomeric units derived from alkenyl functional and/or alkynyl functional aromatic monomers; and heating the coated substrate to a temperature no greater than 390° C., preferably no greater than 370° C., to cure the matrix and remove substantially all of the porogen material in a relatively short period of time to form small uniform pores in the cured highly organic matrix material.Type: ApplicationFiled: June 11, 2003Publication date: December 16, 2004Inventors: Ervin Mubarekyan, Thomas H. Kalantar, H. Craig Silvis, Q. Jason Niu