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Class 428/347 - Heat sealable


Subclass of Class 428 - Stock material or miscellaneous articles
Definition: Product in which the adhesive is caused to adhere by increase
No. of patents: 391
Last issue date: 01/17/2012


1                    
NumberTitleIssue Date
8097338In-mold label, and labeled resin-labeled article
An in-mold label comprising an olefinic resin substrate layer (A) having a wetting index (α) of from 34 to 74 mN/m and a heat-sealable resin layer (B) with an antistatic layer having a wetting index (β) of from 30 to 54 mN/m, wherein the absolute value of the init...
01/17/2012
8057896Pull-tab sealing member with improved heat distribution for a container
A seal and method of manufacture is provided for sealing containers such as bottles, jars and the like. The seal (i.e., closure) is formed with a lower sheet-like structure having a non-foam, heat-distributing layer thereon. The lower structure includes a foil suppo...
11/15/2011
7611770Films having enhanced sealing characteristics and packages containing same
Films containing a sealant layer composition comprising: (1) polyethylene homopolymer, and ethylene/alpha-olefin copolymer, ethylene vinyl acetate copolymer, and ethylene/acrylate copolymer; and (2) elastomer, plas...
11/03/2009
7563506Fixing device
A fastening arrangement comprises a fastening element provided with a fastening portion having a planar outer side surface, and a hot-melt adhesive that can be melted in order to fasten the fastening element to a substrate. The fastening element is provided with a r...
07/21/2009
7452595Heat-sensitive adhesive material, adhered article, process and apparatus for thermally activating the heat-sensitive adhesive material
A heat-sensitive adhesive material contains a substrate and a heat-sensitive adhesive layer that contains a thermoplastic resin and a solid plasticizer, and the heat-sensitive adhesive material is so configured as to be heated and applied to an adherend, wherein the...
11/18/2008
7442427Coextruded, hot-sealable and peelable polyester film, process for its production and its use
This invention relates to coextruded, transparent, biaxially oriented polyester film comprising a base layer (B) and a heatsealable top layer (A) which is peelable from at least APET, the heatsealable and peelable top layer (A) consisting of a) 80-98% b...
10/28/2008
7442437Adhesive composition and thermal transfer sheet
The present invention provides an adhesive composition comprising a copolymer (a) of a methylmethacrylate (MMA) and/or a butylmethacrylate (BMA) and a styrene (St), also provides an adhesive composition comprising a mixture of an acrylic polymer (b) and a ketone res...
10/28/2008
7422782Peelable/resealable packaging film
The present invention describes a multilayer film suitable for use in packaging applications comprising at least a polymeric first layer having a first surface and an opposing second surface wherein the polymeric first layer comprises a heat-sealable, water-insolubl...
09/09/2008
7413800Co-extruded biaxially oriented sealable, peelable film and process for its production
A peelable sealable co-extruded film, comprising: i. a skin layer capable of heat sealing against a rim of a container, to itself, or to another film and adapted to be peeled there from and comprising a hot melt adhesive resin; and...
08/19/2008
7404994Lidstock material having improved burst strength
A lidstock material suitable for sealing plastic containers that are retorted at elevated temperatures to sterilize their contents. The lidstock material comprises a substrate joined to a film comprising a mixture of a butene-1 polymer; high density polyethylene; po...
07/29/2008
7396578Adhesion-promoted , heatsealable and peelable polyester film, process for its production and its use
Coextruded, biaxially oriented polyester films which have a base layer (B) and have a heatsealable outer layer (A) that can be peeled from APET/CPET and from CPET, where the outer layer (A) includes a) from 60 to 99% by weight of polyester and ...
07/08/2008
7371465Polyolefin film with embossed surface
An embossable, multilayer, polyolefin film comprising a core layer comprising a polyolefin and an appearance enhancing agent selected from the group consisting of coloring agents, phosphorescence producing agents, reflective agents, and mixtures thereof, wherein the...
05/13/2008
7368165Process for the production of coated polymeric film
A heat-sealable polymeric film includes a substrate layer of polymeric material having on a surface thereof a heat-sealable coating layer. The layer includes a copolyester and is less than 8 μm in thickness. The copolyester consists essentially of repeat units of o...
05/06/2008
7364786Biaxially oriented polyester film
The biaxially oriented polyester film of the present invention contains a polyester having a primary melting point of 245 to 265° C. as the main component and exhibits a drop bag strength index at 0° C. of at least 2.0 and a strength at break in the film longitudi...
04/29/2008
7364636Heat transfer paper with peelable film and crosslinked coatings
The present invention was directed to a unique heat transfer material for use in transferring an image-bearing coating onto a substrate, such as an article of clothing. The heat transfer material of the present invention may be used in cold peel transfer processes, ...
04/29/2008
7341643Method of making packaging material
A packaging material, a method of making such a material, and a package made from such material, are disclosed. A substrate comprises at least one sheet of plastic material. An energy-curable coating is applied to one side of the substrate, which will be the outside...
03/11/2008
7338708Thick shrink film having high oxygen transmission rate
A multilayer film is relatively thick has an oxygen transmission rate of at least 10,000 cc/mil/24 hour@STP. The film is particularly suited for the packaging of fresh seafood. The film has a first layer which is an outer film layer which serves as a heat seal layer...
03/04/2008
7329468Multi-layer composites formed from compositions having improved adhesion, coating compositions, and methods related thereto
The present invention provides an improved multi-layer composite of two or more polymeric layers at least one of which is formed from a thermosetting composition. The composite includes at least a first polymeric layer formed on a substrate and a second polymeric la...
02/12/2008
7323239Protective films
Multilayer protective films that adhere well to many different surfaces and can be removed without leaving residues are provided. The films consist of a polyolefin backing layer(s) and an adhering layer consisting of an ethylene unsaturated ester copolymer layer con...
01/29/2008
7314669Easy peel film structures
The present invention relates to sealant films comprising a first sealant layer which readily and easily delaminates or peels from a second adjacent film layer. The first sealant layer and the second adjacent layer of the sealant film of the present invention compri...
01/01/2008
7288316Cycloolefin copolymer heat sealable films
The present invention relates to a heat-sealable film which consists essentially of a cycloolefin copolymer (COC), the glass transition temperature (Tg) of the COC being within the range from 30 to 55° C. The film or sheet has excellent low temperature heat-sealing...
10/30/2007
7285335Multilayer oriented antimicrobial and antifogging films
Antimicrobial and antifogging polymeric films with preferable A/C/E structure useful for the food, medicine and agriculture applications as well as for other general packaging and non-traditional special applications. More preferably, antimicrobial and antifogging f...
10/23/2007
7279206Packaging laminates and articles made therefrom
Film laminates for packaging applications having at least two polymer layers which are formed together as a coextruded blown film such that the first polymer layer is a surface layer relative to the film and comprises a heat-sealable material having a melt index of ...
10/09/2007
7279205Packaging material
A packaging material, a method of making such a material, and a package made from such material, are disclosed. A substrate comprises at least one sheet of plastic material. An energy-curable coating is applied to one side of the substrate, which will be the outside...
10/09/2007
7258930Oxygen scavenging film with cyclic olefin copolymer
An oxygen scavenger film includes a layer including an oxygen scavenger, and a layer including a cyclic olefin copolymer. An oxygen scavenger film includes a layer including a blend of an oxygen scavenger, and a cyclic olefin copolymer. A method of triggering an oxy...
08/21/2007
7256738Resonant circuits
A resonant circuit having a circuit coil formed on each surface of a dielectric film. Each coil has a line-width and an outer periphery in which the line-width of each circuit is 1/50 or more of the length of the outermost periphery of that circuit. Each coil has at...
08/14/2007
7252733Polarizer guarded cover sheet with adhesion promoter
The invention generally relates to polymer films used as protective cover sheets for polarizer plates, a method for producing polarizing plates, and a Liquid Crystal Display employing the same. More particularly, the invention relates to a cover sheet composite havi...
08/07/2007
7241482Protective sheath reclosable by overlapping and use thereof
The invention concerns a protective sheath reclosable by overlapping comprising an outer longitudinal edge (10a) adapted to overlap an inner longitudinal edge (10b) of the sheath (10) in an overlap portion (13). Adhesive mea...
07/10/2007
7237319Method of manufacturing a plane coil
First, a sheet member which is being unwound and conveyed from a winding body, and in which a conductive film is stuck on a support sheet, is stamped in such a shape that a coil portion, a frame portion defined around the coil portion, and a joining portion connecti...
07/03/2007
7238419White opaque film having low transparency and improved dielectric strength
The invention relates to a white opaque film formed from a crystallizable thermoplastic, preferably thermo-plastic polyester in the form of polyethylene terephthalate, barium sulfate and titanium dioxide as pigments, at least one optical brightener, and optionally a...
07/03/2007
7229683Thermal interface materials and method of making thermal interface materials
In one aspect, the invention provides a method of making a thermal interface material comprising the steps of: (a) providing a polymeric hot melt pressure sensitive adhesive having a number average molecular weight of greater than 25,000; (b) melt-blending the polym...
06/12/2007
7223459Coextruded, hot-sealable and peelable polyester film, process for its production and its use
This invention relates to a coextruded, transparent, biaxially oriented polyester film comprising a base layer (B) and a heatsealable top layer (A) which is peelable from at least CPET, the heatsealable and peelable top layer (A) consisting of ...
05/29/2007
7220340Paper machine clothing and method for its manufacture
The invention concerns a porous paper machine clothing (1) for dewatering a paper web in a paper machine, having a yarn layer made up of at least one ply (2) of longitudinal yarns (3) and at least one ply (4) of transverse yarns (5, 6,...
05/22/2007
7205046Electrophotographic lamination film, a method of producing the same, and a method of forming an image
The present invention provides an electrophotographic lamination film which can be easily laminated by using the film as it is without significantly modifying a conventional electrophotographic device, can be printed with letters of high resolution directly on a sur...
04/17/2007
7205040Peelable polyester film having improved oxygen barrier, process for its production and its use
Coextruded, biaxially oriented polyester films which have a base layer (B) and have a heatsealable outer layer (A) that can be peeled from APET/CPET and from CPET, where the outer layer (A) comprises from 80 to 99% by weight of polyester and
04/17/2007
7195818Sealable multi-layer opaque film
A sealable multi-layer opaque film. In particular, a sealable multi-layer opaque film that is moisture permeable and water resistant. The sealable multi-layer opaque film is an oriented multilayer film with a core layer comprising an orientation-enhancing polymer, a...
03/27/2007
7192640Paperboard substrate for blister packaging
A packaging laminate comprising a paperboard substrate for providing a base layer, a tear-resistant polymer layer applied to said substrate, and a heat seal polymer layer applied to said tear-resistant polymer. This laminate structure is particularly useful for blis...
03/20/2007
7189451Multilayer, matt, thermoformable, IR-reflective polyester film
Multilayer, biaxially oriented polyester films which include as a constituent of the base layer B, a crystallizable polyester with increased diethylehe glycol content and/or increased polyethylene glycol content, and/or increased isophthalic acid content, preferably...
03/13/2007
7189452Matt, thermoformable, IR-reflective polyester film
Biaxially oriented polyester films formed from a crystallizable polyester having increased diethylene glycol content and/or increased polyethylene glycol content, and/or increased isophthalic acid content, preferably polyethylene terephthalate. The films of the inve...
03/13/2007
7186455White flame-resistant uv-stable film made from a crystallizable thermoplastic, a method for production and the use thereof
The invention relates to a white, biaxially oriented film which comprises a crystallizable thermoplastic as main componet and is characterized by further comprising at least one UV-stabilizer, at least one white pigment and at least one flame-proofing agent, which i...
03/06/2007
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