Patents by Inventor George F. Cretekos
George F. Cretekos 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: 9346246Abstract: Multi-layer laminated structures are disclosed. Such structures include a multi-layer polymeric film having a Layer A that includes at least one polymer and a polymeric sealant layer adjacent to Layer A. The sealant layer has a surface roughness, Ra>5.0 and a Peak Count Value, Pc>50.0. The multi-layer laminated structures also include a substrate in surface contact with the multi-layer polymeric film, typically opposite the sealant layer. Such structures have a top seal and/or side seal of the polymeric sealant layer to itself has a seal strength of >5.00×102 grams/inch at 177° C. The multi-layer films may be transparent, contain a cavitating agent, or are pigmented to form an opaque film. Also, the multi-layer film may be metallized or coated with a barrier coating.Type: GrantFiled: August 12, 2011Date of Patent: May 24, 2016Assignee: JINDAL FILMS AMERICAS LLCInventors: Eric W. Bender, George F. Cretekos
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Patent number: 9080082Abstract: A multilayer film structure including (a) a core layer having a first side and a second side, the core layer including at least one core polymer; (b) a first tie layer having a first side and a second side, the second side of the first tie layer on the first side of the core layer; (c) a second tie layer having a first side and a second side, the first side of the second tie layer on the second side of the core layer; (d) a sealant skin layer having a side on the first side of the first tie layer; and (e) a second skin layer having a side on the second side of the second tie layer, is provided.Type: GrantFiled: April 9, 2013Date of Patent: July 14, 2015Assignee: ExxonMobil Chemical Patents Inc.Inventors: Hao C. Thai, George F. Cretekos
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Patent number: 8906510Abstract: This disclosure relates to a film comprising a metal receiving layer, the first layer comprising a blend of a first polymer and 5-25 wt. % of a second polymer, the second polymer is a metallocene-catalyzed elastomeric ethylene-propylene copolymer having an ethylene content of less than or equal to 10 wt. %, the first polymer is different from the second polymer.Type: GrantFiled: April 15, 2009Date of Patent: December 9, 2014
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Patent number: 8846204Abstract: This disclosure relates to a laminate film that includes an oriented, polymeric film and a polyolefinic substrate. The oriented, polymeric film includes about 60.0 to about 95.0 wt % of a first polymer and about 5.0 to about 40.0 wt % of a propylene-based elastomer. The polyolefinic substrate is laminated to the first surface of the first surface layer.Type: GrantFiled: May 11, 2011Date of Patent: September 30, 2014Assignee: ExxonMobil Oil CorporationInventors: Pang-Chia Lu, George F. Cretekos
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Publication number: 20130309426Abstract: A sealant skin layer for a multilayer film structure and multilayer film structure comprising same having improved processability, seal strength, reduced seal temperature and coefficient of friction are disclosed. The multilayer film may be transparent, contain a cavitating agent, or is pigmented to form an opaque film. Also, the multilayer film may be metallized or coated with a barrier coating.Type: ApplicationFiled: April 9, 2013Publication date: November 21, 2013Applicant: ExxonMobil Chemical CompanyInventors: Hao C. Thai, George F. Cretekos
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Publication number: 20130212983Abstract: Multi-layer laminated structures are disclosed. Such structures include a multi-layer polymeric film having a Layer A that includes at least one polymer and a polymeric sealant layer adjacent to Layer A. The sealant layer has a surface roughness, Ra>5.0 and a Peak Count Value, Pc>50.0. The multi-layer laminated structures also include a substrate in surface contact with the multi-layer polymeric film, typically opposite the sealant layer. Such structures have a top seal and/or side seal of the polymeric sealant layer to itself has a seal strength of >5.00×102 grams/inch at 177° C. The multi-layer films may be transparent, contain a cavitating agent, or are pigmented to form an opaque film. Also, the multi-layer film may be metallized or coated with a barrier coating.Type: ApplicationFiled: August 12, 2011Publication date: August 22, 2013Applicant: ExxonMobil Oil CorporationInventors: Eric W. Bender, George F. Cretekos
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Publication number: 20130130047Abstract: This disclosure relates to a laminate film that includes an oriented, polymeric film and a polyolefinic substrate. The oriented, polymeric film includes about 60.0 to about 95.0 wt % of a first polymer and about 5.0 to about 40.0 wt % of a propylene-based elastomer. The polyolefinic substrate is laminated to the first surface of the first surface layer.Type: ApplicationFiled: May 11, 2011Publication date: May 23, 2013Applicant: EXXONMOBIL OIL CORPORATIONInventors: Pang-Chia Lu, George F. Cretekos
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Patent number: 8404072Abstract: Disclosed herein is an improved, metallized polymer film and method for preparing the same. Such films comprise a) at least one treated polymeric skin layer comprising butylene, and b) a metal layer deposited onto at least one surface of this polymeric skin layer. The polymeric skin layer can comprise a propylene-butylene copolymer or an ethylene-propylene-butylene terpolymer, with this copolymer or terpolymer containing from about 4 wt % to about 12 wt % of butylene. The polymeric skin layer is preferably preconditioned by subjecting an outermost surface thereof to plasma treatment which facilitates the deposition thereon of a strongly adhering metal layer which is preferably aluminum. The resulting multi-layer films exhibit metal adhesion bond strength of at least about 100 grams/25 mm. These films will preferably also exhibit a Water Vapor Transmission Rate of from about 0.05 to about 0.2 g/m2/24 hour, and an Oxygen Transmission Rate of from about 5.0 to about 20 cm3/m2/24 hour.Type: GrantFiled: July 21, 2011Date of Patent: March 26, 2013Assignee: ExxonMobil Oil CorporationInventors: Laurence D. Urbain, Christophe J. Maertens, George F. Cretekos
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Publication number: 20130011669Abstract: Heat-sealable, oriented, multilayer films including i) a polyolefin core layer; and ii) a heat-sealable layer a blend of 10.0 wt % to 50.0 wt % of a propylene-based elastomer and 50.0 wt % to 90.0 wt % of a propylene-based polymer, wherein the heat-sealable layer includes less than 1.0 wt % ethylene homopolymer or ethylene-based copolymer and wherein the heat-sealable layer has a Haze of ?5.0 and a seal strength of ?2.00×102 g/2.54 cm at 82° C. (180° F.). In particular films, the heat-sealable layer has a Haze of ?5.0 and a seal strength of ?3.00×102 g/2.54 cm at 90° C. (194° F.). Methods of making such multilayer structures and articles made therefrom are also disclosed.Type: ApplicationFiled: May 31, 2012Publication date: January 10, 2013Inventors: Pang-Chia LU, George F. Cretekos
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Publication number: 20120308789Abstract: Imageable multilayer films are provided which include at least a core layer comprising a pigment or other colorant, a clear sealant layer, and an image-side tie layer intermediate the core layer and the sealant layer, where the tie layer comprises a cavitating agent. The sealant layer may include a first polymer component having a heat of fusion of less than 75 J/g and a second polymer component. The multilayer film may have a seal strength greater than about 200 g/2.54 cm for a seal formed on a crimp sealer at a temperature of at least 93.3° C. The multilayer film may be biaxially oriented, an image may be effected on the film without the use of inks, and the film may be useful in packaging applications.Type: ApplicationFiled: June 22, 2012Publication date: December 6, 2012Inventors: Mark W. Lockhart, David A. Liestman, George F. Cretekos, Pang-Chia Lu
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Publication number: 20120263960Abstract: This disclosure relates to a film comprising a metal receiving layer, the first layer comprising a blend of a first polymer and 5-25 wt. % of a second polymer, the second polymer is a metallocene-catalyzed elastomeric ethylene-propylene copolymer having an ethylene content of less than or equal to 10 wt. %, the first polymer is different from the second polymer.Type: ApplicationFiled: April 15, 2009Publication date: October 18, 2012
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Publication number: 20120258307Abstract: Multi-layer structures including an oriented multi-layer polymeric film wherein the multi-layer film includes a heat sealable skin layer that includes a matte resin composition and 0.5 to <50.0 wt % of an elastomer selected from propylene based elastomers, ethylene-based elastomers and mixtures thereof, wherein the elastomer or mixture thereof has a Vicat softening temperature of >50° C.; wherein the heat sealable skin layer has a Haze >45.0 % and a 45° Gloss <20.0 and a core layer comprising a polypropylene homopolymer or mini-random copolymer in surface contact with the heat sealable skin layer are disclosed. Optionally, the multi-layer structures can also include a substrate in surface contact with the oriented multi-layer polymeric film. Methods of making such multi-layer structures and articles made therefrom are also disclosed.Type: ApplicationFiled: February 23, 2012Publication date: October 11, 2012Inventors: George F. Cretekos, Lori A. Frauenhofer
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Publication number: 20120114958Abstract: This disclosure relates to a film including a metal receiving layer having at least 15 wt. % of oriented lamellar crystals of a polymer, wherein the oriented lamellar crystals of the polymer have an average thickness in a range from about 1.0 nm to 25 nm as measured by transmission electron microscopy (TEM).Type: ApplicationFiled: April 7, 2010Publication date: May 10, 2012
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Patent number: 8105680Abstract: A heat sealable, multi-layer film structure for multi-color printing or lamination processes and method for making the same are provided. The multi-layer film structure may include a core layer comprising a thermoplastic polymer and essentially no migratory slip agents; a functional layer on a first side of the core layer, wherein the functional layer is a printable layer or a laminatable layer; and a heat sealable skin layer on a second side of the core layer, the heat sealable skin layer comprising a thermoplastic polymer and a slip system. The multi-layer film structure is prepared without any migratory slip additives. Without migratory slip additives, the multi-layer film structure exhibits excellent machinability on typical packaging equipment.Type: GrantFiled: April 8, 2008Date of Patent: January 31, 2012Assignee: ExxonMobil Oil CorporationInventors: Eric W. Bender, George F. Cretekos
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Publication number: 20110308719Abstract: Disclosed herein is an improved, metallized polymer film and method for preparing the same. Such films comprise a) at least one treated polymeric skin layer comprising butylene, and b) a metal layer deposited onto at least one surface of this polymeric skin layer. The polymeric skin layer can comprise a propylene-butylene copolymer or an ethylene-propylene-butylene terpolymer, with this copolymer or terpolymer containing from about 4 wt % to about 12 wt % of butylene. The polymeric skin layer is preferably preconditioned by subjecting an outermost surface thereof to plasma treatment which facilitates the deposition thereon of a strongly adhering metal layer which is preferably aluminum. The resulting multi-layer films exhibit metal adhesion bond strength of at least about 100 grams/25 mm. These films will preferably also exhibit a Water Vapor Transmission Rate of from about 0.05 to about 0.2 g/m2/24 hour, and an Oxygen Transmission Rate of from about 5.0 to about 20 cm3/m2/24 hour.Type: ApplicationFiled: July 21, 2011Publication date: December 22, 2011Inventors: Laurence D. Urbain, Christophe J. Maertens, George F. Cretekos
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Patent number: 8043674Abstract: Heat-sealable, multi-layer composite packaging structures that are suitable for packaging and having improved sealing properties and simplified construction as compared to prior art composite film constructions are disclosed. The inventive film structure includes a first substrate, such as paper, bonded such as by extrusion lamination, to a sealable, high-barrier film. This inventive “paper-adhesive-polymer” lamination may replace prior art “paper-adhesive-foil-adhesive” foil-based tandem laminations. An improved or comparable polymer film substrate may replace the “foil-adhesive” layer components of the popular incumbent prior art structure.Type: GrantFiled: September 15, 2006Date of Patent: October 25, 2011Assignee: ExxonMobil Oil CorporationInventors: Richard Alan Rehkugler, Salvatorf J. Pellingra, George F. Cretekos, Benoit Ambroise
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Publication number: 20090252902Abstract: A heat sealable, multi-layer film structure for multi-color printing or lamination processes and method for making the same are provided. The multi-layer film structure may include a core layer comprising a thermoplastic polymer and essentially no migratory slip agents; a functional layer on a first side of the core layer, wherein the functional layer is a printable layer or a laminatable layer; and a heat sealable skin layer on a second side of the core layer, the heat sealable skin layer comprising a thermoplastic polymer and a slip system. The multi-layer film structure is prepared without any migratory slip additives. Without migratory slip additives, the multi-layer film structure exhibits excellent machinability on typical packaging equipment.Type: ApplicationFiled: April 8, 2008Publication date: October 8, 2009Inventors: Eric W. Bender, George F. Cretekos
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Patent number: 6773818Abstract: An oriented multilayer film containing a core layer and a first skin layer, wherein the first skin layer includes a metallocene-catalyzed propylene homopolymer or copolymer, and the first skin layer is metallized. The film may also contain additional layers, such as a second skin layer for heat-sealing, and one or more tie layers. The film may be laminated to other films or non-films. The film exhibits excellent water vapor transmission rates (WVTR) and oxygen transmission rates (OTR).Type: GrantFiled: September 6, 2002Date of Patent: August 10, 2004Assignee: ExxonMobil Oil CorporationInventors: George F. Cretekos, Moris Amon
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Publication number: 20040053066Abstract: An oriented multilayer film containing a core layer and a first skin layer, wherein the first skin layer includes a metallocene-catalyzed propylene homopolymer or copolymer, and the first skin layer is metallized. The film may also contain additional layers, such as a second skin layer for heat-sealing, and one or more tie layers. The film may be laminated to other films or non-films. The film exhibits excellent water vapor transmission rates (WVTR) and oxygen transmission rates (OTR).Type: ApplicationFiled: September 6, 2002Publication date: March 18, 2004Inventors: George F. Cretekos, Moris Amon
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Patent number: 6682822Abstract: A multilayer polymeric film comprises: (a) a core layer comprising a thermoplastic polymer and optionally an antistatic agent, the core layer having a first side and a second side; (b) a functional layer which is printable or sealable or treatable for printing or sealing on the first side of the core layer; and (c) an additional layer on the second side of the core layer comprising a polypropylene homopolymer, a solid antiblock, and silicone oil. The film has a stable coefficient of friction and release character in spite of mishandling during treatment.Type: GrantFiled: May 27, 1999Date of Patent: January 27, 2004Assignee: Exxon Mobil Oil CorporationInventors: George F. Cretekos, Robert A. Migliorini