Patents by Inventor Erkki Laiho
Erkki Laiho 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: 9574116Abstract: Two-component adhesion composition suitable for extrusion coating paper substrates which comprises: a) from 70 to 98 wt % of high melt strength polypropylene (A) with a branching index g? of 0.9 or less; and b) from 2 to 30 wt % of a component (B) selected from the group consisting of: (i) maleic anhydride-modified polypropylene (MAPP); (ii) maleic anhydride-modified polypropylene wax; (iii) polypropylene homopolymer with high melt flow rate; or (iv) ethylene-vinyl acetate-based hot melt adhesive, and its use.Type: GrantFiled: November 6, 2014Date of Patent: February 21, 2017Assignee: Borealis, AGInventors: Erkki Laiho, Auli Nummila-Pakarinen, Elke Pachner, Hanna Rajala, Markku Sainio, Juha Yli-Peltola
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Patent number: 9353296Abstract: Two-component adhesion composition suitable for extrusion coating paper substrates comprising: a) from 70 to 98 wt % of high melt strength polypropylene (A) with a branching index g? of 0.9 or less; and b) from 2 to 30 wt % of a component (B) selected from the group of: (i) polypropylene homopolymer with high melt flow rate; or (ii) ethylene-vinyl acetate-based hot melt adhesive, and its use.Type: GrantFiled: November 6, 2014Date of Patent: May 31, 2016Assignee: Borealis AGInventors: Erkki Laiho, Auli Nummila-Pakarinen, Elke Pachner, Hanna Rajala, Markku Sainio, Juha Yli-Peltola
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Publication number: 20160009959Abstract: Two-component adhesion composition suitable for extrusion coating paper substrates comprising: a) from 70 to 98 wt % of high melt strength polypropylene (A) with a branching index g? of 0.9 or less; and b) from 2 to 30 wt % of a component (B) selected from the group of: (i) polypropylene homopolymer with high melt flow rate; or (ii) ethylene-vinyl acetate-based hot melt adhesive, and its use.Type: ApplicationFiled: November 6, 2014Publication date: January 14, 2016Applicant: Borealis AGInventors: Erkki Laiho, Auli Nummila-Pakarinen, Elke Pachner, Hanna Rajala, Markku Sainio, Juha Yli-Peltola
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Publication number: 20150065640Abstract: Two-component adhesion composition suitable for extrusion coating paper substrates comprising: a) from 70 to 98 wt % of high melt strength polypropylene (A) with a branching index g? of 0.9 or less; and b) from 2 to 30 wt % of a component (B) selected from the group of: (i) polypropylene homopolymer with high melt flow rate; or (ii) ethylene-vinyl acetate-based hot melt adhesive, and its use.Type: ApplicationFiled: November 6, 2014Publication date: March 5, 2015Applicant: Borealis AGInventors: Erkki Laiho, Auli Nummila-Pakarinen, Elke Pachner, Hanna Rajala, Markku Sainio, Juha Yli-Peltola
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Publication number: 20150064487Abstract: Two-component adhesion composition suitable for extrusion coating paper substrates which comprises: a) from 70 to 98 wt % of high melt strength polypropylene (A) with a branching index g? of 0.9 or less; and b) from 2 to 30 wt % of a component (B) selected from the group consisting of: (i) maleic anhydride-modified polypropylene (MAPP); (ii) maleic anhydride-modified polypropylene wax; (iii) polypropylene homopolymer with high melt flow rate; or (iv) ethylene-vinyl acetate-based hot melt adhesive, and its use.Type: ApplicationFiled: November 6, 2014Publication date: March 5, 2015Applicant: Borealis AGInventors: Erkki Laiho, Auli Nummila-Pakarinen, Elke Pachner, Hanna Rajala, Markku Sainio, Juha Yli-Peltola
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Patent number: 8592001Abstract: The invention relates to a polymer-coated Polymer-coated heat-sealable packaging material, heat-sterilized package formed from the material, and use of the packaging material. The material comprises a fiber base 4 (e.g., packaging board made of bleached pulp) with polymer heat-seal layers 1,9 located on both sides thereof. The package comprises, outside the fiber base, first polymer coating layer 2, which contains white pigment for covering the fiber base from sight, and second coating layer 8, which contains light-absorbing pigment. A coating layer pigmented grey inside the fiber base may provide a light shield for the packaged product. Absorbent black pigment may be located outside the fiber base underneath the white layer to stabilize the brightness of the material. A heat-sterilized package is made by providing the packaging material, forming a package containing, e.g., food, and heat-sterilizing the package in an autoclave. Yellowing of the fiber-based material is avoided by means of a white pigment.Type: GrantFiled: January 15, 2009Date of Patent: November 26, 2013Assignee: Stora Enso OyjInventors: Tapani Penttinen, Kimmo Nevalainen, Erkki Laiho, Markku Sainio, Jurkka Kuusipalo, Antti Savolainen, Esa Koreasalo, Isto Heiskanen, Tommi Lehikoinen
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Publication number: 20110229729Abstract: Two-component adhesion composition suitable for extrusion coating paper substrates which comprises a) from 70 to 98 wt % of high melt strength polypropylene (A) with a branching index g? of 0.9 or less and b) from 2 to 30 wt % of a component (B) selected from the group of (i) maleic anhydride-modified polypropylene (MAPP) (ii) maleic anhydride-modified polypropylene wax (iii) polypropylene homopolymer with high melt flow rate or (iv) ethylene-vinyl acetate-based hot melt adhesive and its use.Type: ApplicationFiled: April 23, 2009Publication date: September 22, 2011Inventors: Erkki Laiho, Auli Nummila-Pakarinen, Elke Pachner, Hanna Rajala, Markku Sainio, Juha Yli-Peltola
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Publication number: 20110111243Abstract: Two-component adhesion composition suitable for extrusion coating paper substrates which comprises a) from 70 to 98 wt % of high melt strength polypropylene (A) with a branching index g? of 0.9 or less and b) from 2 to 30 wt % of a component (B) selected from the group of (i) maleic anhydride-modified polypropylene (MAPP) (ii) maleic anhydride-modified polypropylene wax (iii) polypropylene homopolymer with high melt flow rate or (iv) ethylene-vinyl acetate-based hot melt adhesive and its use.Type: ApplicationFiled: August 25, 2009Publication date: May 12, 2011Applicant: BOREALIS AGInventors: Erkki Laiho, Auli Nummila-Pakarinen, Elke Pachner, Hanna Rajala, Markku Sainio, Juha Yli-Peltola
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Patent number: 7799435Abstract: The present invention relates to a polymer composition with good chemical properties and barrier properties being multimodal and comprising a polymer (A) having a weight average molecular weight of lower than 6000 g/mol and a polyolefine (B) having a higher weight average molecular weight than polymer (A) and a filler (C), whereby a polymer composition without filter (C) has a density of 940 kg/m3 or lower.Type: GrantFiled: January 12, 2005Date of Patent: September 21, 2010Assignee: Borealis Technology OyInventors: Erkki Laiho, Markku Sainio, Karoliina Haapaniemi
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Publication number: 20090186135Abstract: The invention relates to a polymer-coated heat-sealable packaging material, to a heat-sterilised package formed from this and to the use of the packaging material. The material comprises a fibre base 4, which is e.g. a packaging board made of bleached pulp, and polymer heat-seal layers 1, 9 located on both sides of this. In accordance with the invention, the package comprises, outside the fibre base, a polymer coating layer 2, which contains white pigment for covering the fibre base from sight, and a second coating layer 8, which contains light-absorbing pigment. A coating layer pigmented grey inside the fibre base, for instance, provides a light shield for the packaged product. The absorbent black pigment may also be located outside the fibre base underneath a white layer in order to stabilise the brightness of the material. The package may be e.g. a food package heat-sterilised in an autoclave, in which yellowing of the fibre-based material has been avoided by means of a white pigment.Type: ApplicationFiled: January 15, 2009Publication date: July 23, 2009Inventors: Tapani PENTTINEN, Kimmo Nevalainen, Erkki Laiho, Markku Sainio, Jurkka Kuusipalo, Antti Savolainen, Esa Koreasalo, Isto Heiskanen, Tommi Lehikoinen
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Publication number: 20090004489Abstract: The present invention relates to a polymer composition with good chemical properties and barrier properties being multimodal and comprising a polymer (A) having a weight average molecular weight of lower than 6000 g/mol and a polyolefine (B) having a higher weight average molecular weight than polymer (A) and a filler (C), whereby a polymer composition without filter (C) has a density of 940 kg/m3 or lower.Type: ApplicationFiled: January 12, 2005Publication date: January 1, 2009Applicant: Borealis Technology OyInventors: Erkki Laiho, Markku Sainio, Karoliina Haapaniemi
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Publication number: 20080261064Abstract: A polymer composition for extrusion coating with good process properties comprising a multimodal high density polyethylene (A) and a low density polyethylene.Type: ApplicationFiled: July 1, 2005Publication date: October 23, 2008Applicant: Borealis Technology OYInventors: Erkki Laiho, Martti Vaehaelae, Markku Sainio
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Publication number: 20080097022Abstract: The present invention relates to a polymer composition with good chemical properties and barrier properties being multimodal and comprising a polymer (A) having a weight average molecular weight of lower than 6000 g/mol and a polyolefin (B) having a higher weight average molecular weight than polymer (A) and a filler (C), whereby a polymer composition without filler (C) has a density of at least 940 kg/m3.Type: ApplicationFiled: January 12, 2005Publication date: April 24, 2008Inventors: Erkki Laiho, Markku Sainio, Martti Vahala
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Patent number: 7329460Abstract: The invention relates to a multi-layer heat-sealable packaging material especially for food packages. In addition, objects of the invention are a food package formed of the said packaging material, a method of packaging, and the use of the material for packages. The packaging material (1) comprises a middle layer (3) of fibre material, such as cardboard; at least one polymeric protective layer (4, 5) protecting the product from going bad; and polymeric heat sealing layers (2, 7) preferably on both sides of the packaging material. According to the invention, the heat sealing layer (7) forming the inner surface of the closed package, is blended with light-absorbing pigment, such as carbon black, for protecting the product from visible light. By further blending white pigment, such as titanium dioxide, into the heat sealing layer (7), a grey tint resembling an aluminium foil has been achieved for the layer.Type: GrantFiled: April 9, 2001Date of Patent: February 12, 2008Assignee: Stora Enso OyjInventors: Tapani Penttinen, Jalliina Järvinen, Kimmo Nevalainen, Erkki Laiho, Markku Sainio, Martti Vähälä
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Publication number: 20060280941Abstract: The invention relates to a polymer-coated heat-sealable packaging material, to a heat-sterilised package formed from this and to the use of the packaging material. The material comprises a fibre base (4), which is e.g. a packaging board made of bleached pulp, and polymer heat-seal layers (1, 9) located on both sides of this. In accordance with the invention, the package comprises, outside the fibre base, a polymer coating layer (2), which contains white pigment for covering the fibre base from sight, and a second coating layer (8), which contains light-absorbing pigment. A coating layer pigmented grey inside the fibre base, for instance, provides a light shield for the packaged product. The absorbent black pigment may also be located outside the fibre base underneath a white layer in order to stabilise the brightness of the material. The package may be e.g. a food package heat-sterilised in an autoclave, in which yellowing of the fibre-based material has been avoided by means of a white pigment.Type: ApplicationFiled: February 23, 2004Publication date: December 14, 2006Applicant: Stora Enso OyjInventors: Tapani Penttinen, Kimmo Nevalainen, Erkki laiho, Markku Sainio, Jurkka Kuusipalo, Antti Savolainen, Esa Koreasalo, Isto Heiskanen, Tommi Lehikoinen
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Publication number: 20060193952Abstract: The invention relates to a multi-layer heat-sealable packaging material especially for food packages. In addition, objects of the invention are a food package formed of the said packaging material, a method of packaging, and the use of the material for packages. The packaging material (1) comprises a middle layer (3) of fibre material, such as cardboard; at least one polymeric protective layer (4, 5) protecting the product from going bad; and polymeric heat sealing layers (2, 7) preferably on both sides of the packaging material. According to the invention, the heat sealing layer (7) forming the inner surface of the closed package, is blended with light-absorbing pigment, such as carbon black, for protecting the product from visible light. By further blending white pigment, such as titanium dioxide, into the heat sealing layer (7), a grey tint resembling an aluminium foil has been achieved for the layer.Type: ApplicationFiled: May 3, 2006Publication date: August 31, 2006Inventors: Tapani Penttinen, Jalliina Jarvinen, Kimmo Nevalainen, Erkki Laiho, Markku Sainio, Martti Vahala
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Publication number: 20030059591Abstract: The invention relates to a multi-layer heat-sealable packaging material especially for food packages. In addition, objects of the invention are a food package formed of the said packaging material, a method of packaging, and the use of the material for packages. The packaging material (1) comprises a middle layer (3) of fibre material, such as cardboard; at least one polymeric protective layer (4, 5) protecting the product from going bad; and polymeric heat sealing layers (2, 7) preferably on both sides of the packaging material. According to the invention, the heat sealing layer (7) forming the inner surface of the closed package, is blended with light-absorbing pigment, such as carbon black, for protecting the product from visible light. By further blending white pigment, such as titanium dioxide, into the heat sealing layer (7), a grey tint resembling an aluminium foil has been achieved for the layer.Type: ApplicationFiled: September 4, 2002Publication date: March 27, 2003Inventors: Tapani Penttinen, Jalliina Jarvinen, Kimmo Nevalainen, Erkki Laiho, Markku Soinio, Martti Vahala
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Patent number: 6333086Abstract: The present invention concerns a multilayered polymer film structure, which comprises at least one first layer (1) containing a thermoplastic polymer and at least one second layer (2), arranged adjacent to said first layer, containing a liquid crystalline polymer. According to the invention, the second layer (2) consists essentially of a compounded polymer blend formed by the liquid crystalline polymer and a thermoplastic polymer, the liquid crystalline polymer of the second layer forms a continuous phase, and the first and the second layers (1, 2) contain the same thermoplastic polymer. The oxygen transmission rate of the second layer is less than about 150 cm3/(m2·d·bar), determined according to the standard ASTM D 3985-81, and the water vapour transmission rate of the integral film structure is less than 10 g/(m2·24·h) at RH 80% 23° C., determined according to ASTM F 1249-90. The present structure can be used as a barrier layer in packages.Type: GrantFiled: January 29, 1996Date of Patent: December 25, 2001Assignee: Optatech CorporationInventors: Marja Ora, Esa Suokas, Mika Härkönen, Seppo Kuusela, Erkki Laiho
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Patent number: 6291590Abstract: Extrusion coating structure in which at least one layer is made of a polymer composition comprising a multimodal ethylene polymer, which contains from 80 to 100% by weight of ethylene repeating u nits and from 0 to 20% by weight of C3-C10 alpha-olefin repeating units, has a density of between 0.920 and 0.960 kg/m3, and which is a blend of at least two different ethylene polymers.Type: GrantFiled: September 7, 1999Date of Patent: September 18, 2001Assignee: Borealis Technology OyInventors: Markku Sainio, Erkki Laiho, Martti Vähälä, Hannu Salminen
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Patent number: 5993977Abstract: The invention relates to a multilayer product for the production of packaging, the product comprising a carrier web (1), on one face of which there is disposed a tight multilayer coating (2) which includes a moisture-proof layer (b) and a gas-tight layer (a). The gas-tight layer is made up of a blend of an ethylene/vinyl alcohol copolymer and a polar ethylene polymer. The moisture-proof layer is polyolefin, preferably a blend of polyethylene and a polar ethylene polymer.Type: GrantFiled: February 24, 1997Date of Patent: November 30, 1999Assignee: Borealis A/SInventors: Erkki Laiho, Markku Sainio, Seppo Kuusela, Elina Koski, Tapani Penttinen, Riitta Koskiniemi, Matti Salste