Patents by Inventor Yvonne Duepre
Yvonne Duepre 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: 11084257Abstract: The invention relates to a multi-layered, opaque, biaxially-oriented polyolefin film with a thickness of less than 150 mum and which comprises f. a base layer that contains vacuoles and at least one polymer of at least one olefin, g. an inner intermediate layer that contains at least one polymer of at least one olefin, h. an outer intermediate layer that contains at least one polymer of at least one olefin, i. an inner cover layer which is in contact with the inner intermediate layer and contains 5-70 wt. % of at least one polyethylene and 30-95 wt. % of at least one propylene polymer, and j. an outer cover layer which is in contact with the outer intermediate layer and contains 5-70 wt. % of at least one polyethylene and 30-95% of at least one propylene polymer, each amount indication relating to the weight of the layer in question, and characterised in that said outer intermediate layer has a thickness of 0.5 to 5 mum and contains 4.5 to 30 wt.Type: GrantFiled: January 31, 2018Date of Patent: August 10, 2021Inventor: Yvonne Düpre
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Publication number: 20210197539Abstract: The invention relates to an opaque multilayer biaxially oriented polypropylene film comprising at least one vacuole-containing base layer and a printable outer cover layer and an inner matte cover layer, the inner cover layer containing at least two incompatible polymers and having a surface roughness Rz of at least 2.0 ?m at a cut-off of 25 ?m. The inner matte cover layer contains a polydialkylsiloxane having a viscosity of 100,000 to 500,000 mm2/s and the surface of this inner cover layer is surface treated by means of corona or the inner cover layer contains a siloxane-modified polyolefin.Type: ApplicationFiled: September 4, 2018Publication date: July 1, 2021Inventors: Katja Weis, Yvonne Düpre, Sandra Schmidt
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Publication number: 20180207915Abstract: The invention relates to a multi-layered, opaque, biaxially-oriented polyolefin film with a thickness of less than 150 mum and which comprises f. a base layer that contains vacuoles and at least one polymer of at least one olefin, g. an inner intermediate layer that contains at least one polymer of at least one olefin, h. an outer intermediate layer that contains at least one polymer of at least one olefin, i. an inner cover layer which is in contact with the inner intermediate layer and contains 5-70 wt. % of at least one polyethylene and 30-95 wt. % of at least one propylene polymer, and j. an outer cover layer which is in contact with the outer intermediate layer and contains 5-70 wt. % of at least one polyethylene and 30-95% of at least one propylene polymer, each amount indication relating to the weight of the layer in question, and characterised in that said outer intermediate layer has a thickness of 0.5 to 5 mum and contains 4.5 to 30 wt.Type: ApplicationFiled: January 31, 2018Publication date: July 26, 2018Inventor: YVONNE DÜPRE
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Patent number: 9895865Abstract: The invention relates to a multi-layered, opaque, biaxially-oriented polyolefin film with a thickness of less than 150 mum and which comprises f. a base layer that contains vacuoles and at least one polymer of at least one olefin, g. an inner intermediate layer that contains at least one polymer of at least one olefin, h. an outer intermediate layer that contains at least one polymer of at least one olefin, i. an inner cover layer which is in contact with the inner intermediate layer and contains 5-70 wt. % of at least one polyethylene and 30-95 wt. % of at least one propylene polymer, and j. an outer cover layer which is in contact with the outer intermediate layer and contains 5-70 wt. % of at least one polyethylene and 30-95% of at least one propylene polymer, each amount indication relating to the weight of the layer in question, and characterized in that said outer intermediate layer has a thickness of 0.5 to 5 mum and contains 4.5 to 30 wt.Type: GrantFiled: July 10, 2013Date of Patent: February 20, 2018Assignee: Treofan Germany GmbH & Co. KGInventor: Yvonne Düpre
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Patent number: 9446554Abstract: The invention relates to the use of a multilayer, biaxially oriented polyolefin film comprising at least five layers as the label in deep drawing, which film is constructed from the following layers I the base layer is free from vacuoles, and IIa the outer intermediate layer is free from vacuoles and contains at least 95% by weight propylene polymer, which polymer has a propylene content of 98 to 100% by weight relative to the propylene polymer, and IIIa printing may be applied to the outer cover layer, and IIb the inner intermediate layer is constructed essentially from propylene polymer and contains vacuoles, and IIIb the inner cover layer is applied to the surface of the inner intermediate layer and is a sealable cover layer, and is a sealable cover layer, and has a sealing initiation temperature <130° C.Type: GrantFiled: January 13, 2010Date of Patent: September 20, 2016Assignee: Treofan Germany GmbH & Co.Inventors: Wilfrid Tews, Yvonne Duepre
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Publication number: 20160114566Abstract: The invention relates to a biaxially oriented, multilayer polypropylene film constituted of at least one base layer and one first intermediate layer I and a first sealable cover layer I applied to said intermediate layer I, the first intermediate layer I being a soft intermediate layer and all layers of the film substantially not containing vacuoles. The film is used for producing bag packaging.Type: ApplicationFiled: May 28, 2014Publication date: April 28, 2016Inventors: Yvonne DÜPRE, Detlef HÜTT
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Publication number: 20150314939Abstract: The present invention relates to foodstuffs packaging containing a polyolefin-based film with properties providing a barrier to mineral oils.Type: ApplicationFiled: November 8, 2013Publication date: November 5, 2015Inventors: PETRA HÄDE, Yvonne DÜPRE, Thomas GOTTFREUND
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Publication number: 20150165734Abstract: The invention relates to a multi-layered, opaque, biaxially-oriented polyolefin film with a thickness of less than 150 mum and which comprises f. a base layer that contains vacuoles and at least one polymer of at least one olefin, g. an inner intermediate layer that contains at least one polymer of at least one olefin, h. an outer intermediate layer that contains at least one polymer of at least one olefin, i. an inner cover layer which is in contact with the inner intermediate layer and contains 5-70 wt. % of at least one polyethylene and 30-95 wt. % of at least one propylene polymer, and j. an outer cover layer which is in contact with the outer intermediate layer and contains 5-70 wt. % of at least one polyethylene and 30-95% of at least one propylene polymer, each amount indication relating to the weight of the layer in question, and characterised in that said outer intermediate layer has a thickness of 0.5 to 5 mum and contains 4.5 to wt.Type: ApplicationFiled: July 10, 2013Publication date: June 18, 2015Inventor: Yvonne Düpre
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Publication number: 20120058304Abstract: The invention relates to a multilayered, opaque, biaxially oriented polyolefin film having a thickness of at least 30 ?m consisting of a vacuole-containing base layer and intermediate layers applied to both sides thereof, and cover layers applied to either side of the intermediate layers. Both intermediate layers have a thickness of at least 3 ?m and contain at least 70% by weight of a propylene homopolymer. Both cover layers are constructed from incompatible polymers. The inner cover layer has a surface roughness Rz of at least 3.0 ?m and the outer cover layer has a roughness from 1 to 3 ?m, the roughness of the inner cover layer being at least 1.5 units greater than the roughness of the outer cover layer.Type: ApplicationFiled: April 21, 2010Publication date: March 8, 2012Applicant: TREOFAN GERMANY GMBH & CO. KGInventors: Joachim Jung, Yvonne Duepre
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Publication number: 20110268934Abstract: The invention relates to the use of a multilayer, biaxially oriented polyolefin film comprising at least five layers as the label in deep drawing, which film is constructed from the following layers I the base layer is free from vacuoles, and IIa the outer intermediate layer is free from vacuoles and contains at least 95% by weight propylene polymer, which polymer has a propylene content of 98 to 100% by weight relative to the propylene polymer, and IIIa printing may be applied to the outer cover layer, and IIb the inner intermediate layer is constructed essentially from propylene polymer and contains vacuoles, and IIIb the inner cover layer is applied to the surface of the inner intermediate layer and is a sealable cover layer, and is a sealable cover layer, and has a sealing initiation temperature <130° C.Type: ApplicationFiled: January 13, 2010Publication date: November 3, 2011Applicant: Treofan Germany GmbH. & Co. KGInventors: Wilfrid Tews, Yvonne Duepre
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Publication number: 20080277297Abstract: The invention relates to a single-layered or multilayered, biaxially-oriented film which contains 70 to 100% by weight of polymer consisting of at least one type of aliphatic polyhydroxycarboxylic acid, and which is used in the form of an inner liner of a cigarette package.Type: ApplicationFiled: October 31, 2006Publication date: November 13, 2008Applicant: Treofan Germany GmbH & Co. KGInventors: Detlef Busch, Bjoern Dragun, Bertram Schmitz, Yvonne Duepre
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Publication number: 20060251840Abstract: The invention relates to a metallised, coextruded, multi-layered, biaxially orientated polypropylene multi-layer film comprising a base layer containing vacuoles. Said base layer containing vacuoles is covered by one or several layers and the thickness of said covering layer or layers is, in total, at least 3 ?m and the film on the outer surface of said covered layer or layers are metallised and the metallised film has a water vapour permeability of =0.5 g/m2*day at 38° C and 90 % relative air humidity and oxygen permeability of =50 cm3/m2*day*bar at 23° C. and 50% relative air humidity.Type: ApplicationFiled: February 20, 2004Publication date: November 9, 2006Applicant: Treofan Germany Gmbh & Company Co. KGInventors: Detlef Hütt, Yvonne Düpre, Karl-Heinz Kochem, Dieter Scheidecker