Patents by Inventor Wendy D. Hoenig
Wendy D. Hoenig 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: 6939919Abstract: The present invention includes a blend composition comprising at least one coupled propylene polymer and at least 55 weight percent of at least one ethylene polymer, based on the total weight of the coupled propylene polymer and the ethylene polymer. The invention also includes methods for making the coupled propylene polymer and methods for making the blend composition. The present invention further includes films made from the blend composition.Type: GrantFiled: May 25, 2001Date of Patent: September 6, 2005Assignee: Dow Global Technologies Inc.Inventors: Li-Min Tau, William R. Van Volkenburgh, Wendy D. Hoenig, Pak-Wing S. Chum
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Patent number: 6777502Abstract: Coupled polymers are prepared by a process comprising heating an admixture containing (1) at least one polyolefin comprising ethylene and optionally at least one comonomer and (2) a coupling amount at least one poly(sulfonyl azide) to at least the decomposition temperature of the poly(sulfonyl azide) for a period sufficient for decomposition of at least 80 weight percent of the poly(sulfonyl azide) and sufficient to result in a coupled polymer; particularly where the polyolefin is the product of polymerization of ethylene and optionally at least one other alpha-olefin in the presence of a single site catalyst.Type: GrantFiled: January 21, 2003Date of Patent: August 17, 2004Assignee: Dow Global Technologies Inc.Inventors: Thoi H. Ho, Wendy D. Hoenig, Che-l Kao, Michael E. Rowland, Clark H. Cummins, Michael J. Mullins, H. Craig Silvis
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Publication number: 20030216518Abstract: The present invention includes a blend composition comprising at least one coupled propylene polymer and at least 55 weight percent of at least one ethylene polymer, based on the total weight of the coupled propylene polymer and the ethylene polymer. The invention also includes methods for making the coupled propylene polymer and methods for making the blend composition. The present invention further includes films made from the blend composition.Type: ApplicationFiled: May 13, 2003Publication date: November 20, 2003Inventors: Li-Min Tau, Wendy D. Hoenig
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Publication number: 20030175460Abstract: Coupled polymers are prepared by a process comprising heating an admixture containing (1) at least one polyolefin comprising ethylene and optionally at least one comonomer and (2) a coupling amount at least one poly(sulfonyl azide) to at least the decomposition temperature of the poly(sulfonyl azide) for a period sufficient for decomposition of at least 80 weight percent of the poly(sulfonyl azide) and sufficient to result in a coupled polymer; particularly where the polyolefin is the product of polymerization of ethylene and optionally at least one other alpha-olefin in the presence of a single site catalyst.Type: ApplicationFiled: January 21, 2003Publication date: September 18, 2003Inventors: Thoi H. Ho, Wendy D. Hoenig, Che-I Kao, Michael E. Rowland, Clark H. Cummins, Michael J. Mullins, H. Craig Silvis
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Patent number: 6593005Abstract: The present invention includes a coextruded film having at least two layers. The first layer contains a coupled propylene polymer and the second layer contains an in-reactor blend of a linear low density polyethylene fraction and a substantially linear polyethylene fraction. Alternatively, the second layer may include a homogeneously branched linear polyethylene. Preferably, the first layer makes up about 50 weight percent or less of the overall coextruded film structure. The first layer may also contain a polyethylene, such as a linear low density polyethylene, a low density polyethylene, a high density polyethylene, substantially linear polyethylene, a homogeneously branched linear polyethylene, an in-reactor blend of linear low density polyethylene and a substantially linear polyethyelene, and blends thereof.Type: GrantFiled: January 24, 2001Date of Patent: July 15, 2003Assignee: Dow Global Technologies Inc.Inventors: Li-Min Tau, Lisa S. Madenjian, Johan A. Thoen, Wendy D. Hoenig, Pak-Wing S. Chum, John Kaarto, Daniel J. Falla
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Patent number: 6552129Abstract: The invention includes a process of reacting a poly(sulfonyl azide) with a polymer comprising steps (a) forming a first admixture of a first amount of a first polymer or in a liquid which does not require removal from the polymer and a poly(sulfonyl azide); (b) then forming a second admixture of the first admixture with a second amount of at least one second polymer; and (c) heating the second admixture at least to the decomposition temperature of the coupling agent for a time sufficient to result in coupling of polymer chains. The invention further includes all compositions obtainable by processes of the invention as well as blends of those compositions with one or more polymers of compositions different from the first or second polymer or the product of a process of the invention.Type: GrantFiled: December 10, 2001Date of Patent: April 22, 2003Assignee: Dow Global Technologies Inc.Inventors: David A. Babb, Che-I Kao, Wendy D. Hoenig, Michael E. Rowland, Clark H. Cummins, H. Craig Silvis, Michael J. Mullins, Thoi H. Ho
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Patent number: 6528136Abstract: The invention includes a process of preparing a coupled polymer comprising heating an admixture containing (1) at least one polyolefin comprising ethylene and optionally at least one comonomer which is selected from alpha olefins having at least 3 carbon atoms, dienes and combinations thereof said polyolefin having a molecular weight distribution of less than or equal to about 3 and (2) a coupling amount at least one poly(sulfonyl azide) to at least the decomposition temperature of the poly(sulfonyl azide) for a period sufficient for decomposition of at least about 80 weight percent of the poly(sulfonyl azide) and sufficient to result in a coupled polymer; particularly where the polyolefin is the product of polymerization of ethylene and optionally at least one other alpha-olefin in the presence of a single site catalyst (transition metal like Va or Cr, metallocene or constrained geometry). The amount of poly(sulfonyl azide) is preferably from about 0.01 to about 5 weight percent of the polyolefin.Type: GrantFiled: August 26, 1998Date of Patent: March 4, 2003Assignee: Dow Global Technologies Inc.Inventors: Thoi H. Ho, Wendy D. Hoenig, Che-I Kao, Michael E. Rowland, Clark H. Cummins, Michael J. Mullins, H. Craig Silvis
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Patent number: 6521306Abstract: The invention includes a process of preparing a coupled polymer characterized by heating an admixture containing (1) at least one ethylene polymer or blend of ethylene polymers having a density of at least about 0.89 g/mL and less than about 0.935 g/mL and a comonomer content between about 0.5 and 50 weight percent of an alpha olefin having greater than 2 and less than 20 carbon atoms per molecule and (2) a coupling amount of at least one poly(sulfonyl azide) to at least the decomposition temperature of the poly(sulfonyl azide) for a period sufficient for decomposition of at least about 80 weight percent of the poly(sulfonyl azide) and sufficient to result in a coupled polymer. The amount of poly(sulfonyl azide) is preferably from about 0.01 to about 5 weight percent of polymers in the admixture. The invention also includes any composition which is the product of any of the processes of the invention and articles made from those compositions, particularly any film of any composition of the invention.Type: GrantFiled: August 5, 1998Date of Patent: February 18, 2003Assignee: Dow Global Technologies Inc.Inventors: Wendy D. Hoenig, Teresa Karjala, Li-Min Tau, Clark H. Cummins, Michael J. Mullins, H. Craig Silvis, Thoi H. Ho
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Patent number: 6521696Abstract: The subject invention pertains to pressure sensitive adhesive formulations comprising an aqueous dispersion of at least one homogeneous ethylene/&agr;-olefin interpolymer or substantially random interpolymer of ethylene and at least one vinylidene aromatic or hindered aliphatic comonomer and at least one surfactant.Type: GrantFiled: November 12, 1998Date of Patent: February 18, 2003Assignee: Dow Global Technologies Inc.Inventors: John D. Oates, Thoi H. Ho, Wendy D. Hoenig, David J. Calvert
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Patent number: 6506848Abstract: The present invention includes a process of preparing a coupled polymer comprising heating an admixture containing (1) at least one elastomer comprising ethylene and at least one comonomer which is selected from alpha olefins having at least 3 carbon atoms, dienes and combinations thereof and (2) a coupling amount at least one poly(sulfonyl azide) to at least the decomposition temperature of the poly(sulfonyl azide) for a period sufficient for decomposition of at least 80 weight percent of the poly(sulfonyl azide) and sufficient to result in a coupled polymer having a gel content of less than 2 weight percent. The invention includes compositions comprising the reaction product formed by the inventive process. The invention additionally includes articles which comprise a composition of the invention particularly when the article is formed from a melt of the composition.Type: GrantFiled: October 29, 2001Date of Patent: January 14, 2003Assignee: The Dow Chemical CompanyInventors: Wendy D. Hoenig, Teresa Karjala, Che-I Kao, Clark H. Cummins, Michael J. Mullins, H. Craig Silvis, Thoi H. Ho
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Publication number: 20020156193Abstract: The present invention includes a composition comprising (a) at least one propylene polymer coupled by reaction with a coupling amount of poly(sulfonyl azide) sufficient to increase the melt strength of the propylene polymer before coupling at least about 1.5 fold as compared with the resulting coupled propylene polymer; and (b) at least one ethylene polymer wherein the ethylene polymer is present in an amount sufficient to improve film mechanical properties of tear resistance in either the machine direction (MD) and cross direction (CD) as measured by the Elmendorf Tear method (ASTM D-1922) or dart impact strength as measured by the procedure of ASTM D-1709 or a modified method thereof in which the height from which the dart is dropped is decreased from 26″ to 10.5″ (0.66 m to 0.27 m) as compared with a film formed in the same manner using the coupled propylene polymer of (a) alone.Type: ApplicationFiled: April 12, 2002Publication date: October 24, 2002Inventors: Li-Min Tau, Wendy D. Hoenig, Lisa S. Madenjian, Pak-Wing S. Chum, John Kaarto, Johan A. Thoen
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Poly(hydroxy amino ether) composition, method for preparing the same and articles prepared therefrom
Patent number: 6455116Abstract: A composition comprising a poly(hydroxy aminoether) and an effective amount of a propoxylated or ethoxylated phenol, process for preparing the same and articles prepared from the composition.Type: GrantFiled: September 14, 2001Date of Patent: September 24, 2002Assignee: Dow Global Technologies Inc.Inventors: Guang-Ming Xia, John M. Beckerdite, Wendy D. Hoenig -
Publication number: 20020123573Abstract: Polymers coupled by reaction with coupling agents according to the practice of the invention advantageously have at least one of these desirable properties and preferably have desirable combinations of these properties. The present invention includes a process of preparing a coupled polymer comprising heating an admixture containing (1) at least one elastomer comprising ethylene and at least one comonomer which is selected from alpha olefins having at least 3 carbon atoms, dienes and combinations thereof and (2) a coupling amount at least one poly(sulfonyl azide) to at least the decomposition temperature of the poly(sulfonyl azide) for a period sufficient for decomposition of at least about 80 weight percent of the poly(sulfonyl azide) and sufficient to result in a coupled polymer having a gel content of less than about 2 weight percent.Type: ApplicationFiled: October 29, 2001Publication date: September 5, 2002Inventors: Wendy D. Hoenig, Teresa Karjala, Che-I Kao, Clark H. Cummins, Michael J. Mullins, H. Craig Silvis, Thoi H. Ho
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Publication number: 20020091199Abstract: The invention includes a process of reacting a poly(sulfonyl azide) with a polymer comprising steps (a) forming a first admixture, hereinafter referred to as a concentrate, of a first amount of a first polymer or in a liquid which does not require removal from the polymer, hereinafter diluent, and a poly(sulfonyl azide); (b) then forming a second admixture of the first admixture with a second amount of at least one second polymer, hereinafter second polymer composition; and (c) heating the second admixture at least to the decomposition temperature of the coupling agent for a time sufficient to result in coupling of polymer chains. The diluent is preferably a non-volatile, non-polar compound such as mineral oil in which the poly(sulfonyl azide) is sufficiently miscible to disperse the poly(sulfonyl azide) in the second polymer, more preferably a liquid at room temperature or low melting solid at room temperature, that is has a melting point below about 50° C.Type: ApplicationFiled: December 10, 2001Publication date: July 11, 2002Inventors: David A. Babb, Che-I Kao, Wendy D. Hoenig, Michael E. Rowland, Clark H. Cummins, H. Craig Silvis, Michael J. Mullins, Thoi H. Ho
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Publication number: 20020061945Abstract: The subject invention pertains to pressure sensitive adhesive formulations comprising an aqueous dispersion of at least one homogeneous ethylene/&agr;-olefin interpolymer or substantially random interpolymer of ethylene and at least one vinylidene aromatic or hindered aliphatic comonomer and at least one surfactant.Type: ApplicationFiled: November 12, 1998Publication date: May 23, 2002Inventors: JOHN D. OATES, THOI H. HO, WENDY D. HOENIG, DAVID J. CALVERT
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Patent number: 6376623Abstract: The present invention includes a process of preparing a coupled polymer comprising heating an admixture containing (1) at least one elastomer comprising ethylene and at least one comonomer which is selected from alpha olefins having at least 3 carbon atoms, dienes and combinations thereof and (2) a coupling amount at least one poly(sulfonyl azide) to at least the decomposition temperature of the poly(sulfonyl azide) for a period sufficient for decomposition of at least about 80 weight percent of the poly(sulfonyl azide) and sufficient to result in a coupled polymer having a gel content of less than about 2 weight percent.Type: GrantFiled: August 5, 1998Date of Patent: April 23, 2002Assignee: The Dow Chemical CompanyInventors: Wendy D. Hoenig, Che-I Kao, Teresa Karjala, Clark H. Cummins, Michael J. Mullins, Thoi H. Ho, H. Craig Silvis
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Publication number: 20020045685Abstract: The present invention relates to a blend of polymeric materials comprising;Type: ApplicationFiled: July 24, 2001Publication date: April 18, 2002Applicant: The Dow Chemical CompanyInventors: Samuel A. Ogoe, Charles F. Diehl, Leo A. Novak, Wendy D. Hoenig, Shaofu Wu, Danna C. Scott
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Patent number: 6359073Abstract: The invention includes a process of reacting a poly(sulfonyl azide) with a polymer comprising steps (a) forming a first admixture of a first amount of a first polymer or in a liquid which does not require removal from the polymer and a poly(sulfonyl azide); (b) then forming a second admixture of the first admixture with a second amount of at least one second polymer; and (c) heating the second admixture at lest to the decomposition temperature of the coupling agent for a time sufficient to result in coupling of polymer chains. The invention further includes all compositions obtainable by processes of the invention as well as blends of those compositions with one or more polymers of compositions different from the first or second polymer or the product of a process of the invention.Type: GrantFiled: October 23, 2000Date of Patent: March 19, 2002Assignee: The Dow Chemical CompanyInventors: David A. Babb, Che-I Kao, Wendy D. Hoenig, Michael E. Rowland, Clark H. Cummins, H. Craig Silvis, Michael J. Mullins, Thoi H. Ho
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Patent number: 6329450Abstract: The present invention relates to a blend of polymeric materials comprising; (A) of from about 1 to about 80 percent by weight (based on the combined weights of Components A and B) of at least one substantially random interpolymer; wherein said interpolymer; (1) contains of from about 0.5 to about 50 mole percent of polymer units derived from; a) at least one vinyl or vinylidene aromatic monomer, or b) at least one hindered aliphatic or cycloaliphatic vinyl or vinylidene monomer, or c) a combination of at least one vinyl or vinylidene aromatic monomer and at least one hindered aliphatic or cycloaliphatic vinyl or vinylidene monomer; (2) contains of from about 50 to about 99.5 mole percent of polymer units derived from at least one aliphatic &agr;-olefin having from 2 to 20 carbon atoms; (3) has a melt index (I2) of from about 0.01 to about 100 g/10 min; and (4) has a molecular weight distribution (Mw/Mn) of from about 1.Type: GrantFiled: March 2, 1999Date of Patent: December 11, 2001Assignee: The Dow Chemical CompanyInventors: Samuel A. Ogoe, Charles F. Diehl, Leo A. Novak, Wendy D. Hoenig, Shaofu Wu, Donna C. Scott
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Publication number: 20010046606Abstract: The present invention includes a coextruded film having at least two layers. The first layer contains a coupled propylene polymer and the second layer contains an in-reactor blend of a linear low density polyethylene fraction and a substantially linear polyethylene fraction. Alternatively, the second layer may include a homogeneously branched linear polyethylene. Preferably, the first layer makes up about 50 weight percent or less of the overall coextruded film structure. The first layer may also contain a polyethylene, such as a linear low density polyethylene, a low density polyethylene, a high density polyethylene, substantially linear polyethylene, a homogeneously branched linear polyethylene, an in-reactor blend of linear low density polyethylene and a substantially linear polyethyelene, and blends thereof.Type: ApplicationFiled: January 24, 2001Publication date: November 29, 2001Inventors: Li-Min Tau, Lisa S. Madenjian, Johan A. Thoen, Wendy D. Hoenig, Pak-Wing S. Chum, John Kaarto, Daniel J. Falla