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International Paper Company
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International Paper Company patents


Recent patent applications related to International Paper Company. International Paper Company is listed as an Agent/Assignee. Note: International Paper Company may have other listings under different names/spellings. We're not affiliated with International Paper Company, we're just tracking patents.

ARCHIVE: New 2018 2017 2016 2015 2014 2013 2012 2011 2010 2009 | Company Directory "I" | International Paper Company-related inventors


Foldable multi-panel display

A foldable display comprising: a sleeve, two inserts spaced apart in an interior of the sleeve, and an elastic member comprising a first end coupled to one insert and a second end coupled to the other insert such that the elastic member extends between the two inserts. Each insert is coupled to an interior surface of the sleeve. ... International Paper Company

Process for producing increased bulk pulp fibers, pulp fibers obtained, and products incorporating same

Processes for pulping raw pulp material, such as wood chips, to provide pulp fibers having increased bulk, as well as bleaching the resulting pulp fibers to provide bleached pulp fibers having increased bulk. These pulp fibers and bleached pulp fibers may be incorporated into or used various products, such as multi-ply coated paperboards, fluff pulp, etc.. ... International Paper Company

Low basis weight inkjet printable substrates with lower showthrough and improved waterfastness and print density

An article in the form of a printable substrate having a showthrough value of about 0.14 or less, and an opacity value of at least about 88% which includes a paper substrate with a first and second surfaces formed of paper fibers having a basis weight of from about 12 to about 32 lbs/1300 ft2, and a substrate filler in an amount in the range of from 0 to about 30% by weight of the paper substrate; and a surface size layer on at least one of the first and second surfaces, the surface size layer having about 50 lbs or less per ton of the paper substrate of a starch surface sizing agent and a multivalent metal salt drying agent in an amount sufficient to impart to the at least one of the first and second surfaces a black print density value of at least about 0.8 when inkjet printed with pigmented inks and a waterfastness value of at least about 85% when inkjet printed with dye-based inks, the printable substrate having a md tensile strength of at least about 12 lbs/in. And a cd tensile strength of at least about 6 lbs/in. ... International Paper Company

Fibrillated blend of lyocell low dp pulp

A fibrillated blend of lyocell and cellulosic pulp having a degree of polymerization of 200 to 1000 as measured by astm test 1975-96, a method of making the blend and materials which incorporate the blend.. . ... International Paper Company

Reduced furfural content in polyacrylic acid crosslinked cellulose fibers

Bleached polyacrylic acid crosslinked cellulose fibers with reduced furfural content are disclosed. The reduced furfural content is accompanied by a strong reduction of malodor associated with crosslinked fibers. ... International Paper Company

Monitoring upstream machine wires and felts

Collecting data includes generating a sensor signal from each of a plurality of sensors located on a sensing roll, wherein each signal is generated when each sensor enters a region of a nip between the sensing roll and mating roll during each rotation of the sensing roll; wherein a web of material travels through the nip and a continuous band contacts a region of the web of material upstream from or at the nip. A periodically occurring starting reference is generated associated with each rotation of the continuous band and the signal generated by each sensor is received so that the one of the plurality of sensors which generated this signal is determined and one of a plurality of tracking segments associated with the continuous band is identified. ... International Paper Company

Method and system associated with a sensing roll and a mating roll for collecting data including first and second sensor arrays

Collecting roll data associated with a sensing roll and a mating roll forming a nip includes generating sensor signals from a first sensor array on the sensing roll and a second sensor array on the mating roll during rotations of the mating rolls and sensing rolls. A periodically occurring first time reference is associated with each rotation of the mating roll and a periodically occurring second time reference is associated with each rotation of the sensing roll. ... International Paper Company

Process for making composite polymer

The method of making a pellet comprising wood pulp fiber and thermoplastic polymer, comprising extruding an extrudate comprising 10 to 50 weight % wood pulp fiber and 45 to 85 weight % thermoplastic polymer through a die, cutting a pellet from the extrudate, removing the pellet from the extrudate with water having a temperature less than the extrudate, filtering the pellet from the water. In one embodiment the wood pulp fiber in the pellet has a moisture content of 1% or less. ... International Paper Company

Method and system associated with a sensing roll including pluralities of sensors and a meting roll for collecting roll data

Collecting roll data associated with a sensing and mating rolls that form a nip uses first and second pluralities of sensors. Each sensor of the first plurality has a corresponding sensor in the second plurality which is associated with a same respective axial location on the sensing roll but is spaced-apart circumferentially. ... International Paper Company

Shipping container for packaging frangible products

The purpose of the claimed invention is to have a protective internal structure using multiple corrugated paperboard inserts that will fit into a rsc (regular slotted container) case. These inserts and the internal structure that it creates, enable a user to ship their product via common or contract carrier without damage to the user's product.. ... International Paper Company

Paper substrates and containing an antimicrobial component as well as method of making and using the same

The invention relates to the papermaking art and, in particular, to the manufacture of paper substrates, paper-containing articles such as file folders, having improved reduction or inhibition in the growth of microbes, mold and/or fungus.. . ... International Paper Company

Process for applying composition containing a cationic trivalent metal and debonder and fluff pulp sheet made from same

A process is provided for making a fluff pulp sheet, comprising contacting at least one cationic trivalent metal, salt thereof, or combination thereof with a composition comprising fluff pulp fibers and water at a first ph, to form a fluff pulp mixture; forming a web from the fluff pulp mixture; and applying at least one debonder surfactant to the web and raising the ph to a second ph, which is higher than the first ph, to make the fluff pulp sheet. A fluff pulp sheet is also provided, comprising a web comprising fluff pulp fibers; at least one cationic trivalent metal, salt thereof, or combination thereof; at least one debonder surfactant; and a fiberization energy of <145 kj/kg. ... International Paper Company

Monitoring applicator rods

A sensor signal is generated from a plurality of sensors located on a sensing roll, wherein each signal is generated when each sensor enters a first nip between the sensing roll and a rotating component during each rotation of the sensing roll. A rotating applicator rod forms forming a second nip with the sensing roll such that each sensor enters the second nip during each rotation of the sensing roll. ... International Paper Company

Ligno cellulosic materials and the products made therefrom

A process comprising treating a lignocellulosic material preferably pulp in the presence of a transition metal catalyst with a oxidizing agent selected from a group consisting of hydrogen peroxide, hypochlorite, hypochlorous acid and any combination thereof to form a treated lignocellulosic material having a viscosity equal to or less than about 17 cp and having reducing functional groups selected from the group consisting of aldehyde and aldehyde type functional groups at the c6 and c1 positions but predominating at the c1 position.. . ... International Paper Company

07/06/17 / #20170191220

Meterable fiberous material

A particle or particles of cellulosic wood pulp fibers having a top and bottom face and a hexagonal perimeter, and methods of using it.. . ... International Paper Company

06/29/17 / #20170183823

Paper substrate having enhanced print density

The present invention relates to a sizing composition that, when applied to paper substrate, creates a substrate, preferably suitable for inkjet printing, having increased print density, print sharpness, low hst, and/or image dry time, the substrate preferably having high brightness and reduced color-to-color bleed as well. In addition, the present invention relates to a method of reducing the hst of a paper substrate by applying the sizing composition to at least one surface thereof. ... International Paper Company

06/22/17 / #20170174389

Shipping container convertible into a display configuration

A shipping container convertible into a display configuration at a point of sale comprises a top wall, a bottom wall, side walls and end walls all of which are foldably joined to one another to form an interior space to receive product having a predetermined height. Each of the respective side walls includes a respective pair of spaced apart slots formed therein. ... International Paper Company

06/22/17 / #20170172152

Ligno cellulosic materials and the products made therefrom

A process comprising treating a lignocellulosic material preferably pulp in the presence of a transition metal catalyst with a oxidizing agent selected from a group consisting of hydrogen peroxide, hypochlorite, hypochlorous acid and any combination thereof to form a treated lignocellulosic material having a viscosity equal to or less than about 17 cp and having reducing functional groups selected from the group consisting of aldehyde and aldehyde type functional groups at the c6 and c1 positions but predominating at the c1 position.. . ... International Paper Company

04/27/17 / #20170114499

Method and apparatus for measuring and removing rotational variability from a nip pressure profile of a covered roll of a nip press

Multiple groups of sensors are circumferentially spaced apart at each cross-directional position along a sensing roll of a nip press to measure and cancel or nearly cancel the effects of rotational variability which may be acting on the sensing roll. The strategically-placed sensors are designed to measure the pressure being placed against the web that is being advanced through the nip press. ... International Paper Company

04/06/17 / #20170096253

Pallet-free bulk bin container

A pallet-free bulk bin container comprises an open-ended bulk bin having a frame base at one end. A pair of channel inserts is configured to be engaged with the frame base to form pallet runners. ... International Paper Company

03/30/17 / #20170088411

Sump base dispensing system for bulk bin and bag combination

A sump base dispensing system for dispensing a flowable material includes a bulk bin container having a bottom wall and a plurality of upstanding side walls foldably joined to the bottom wall to form an interior space. One of the plurality of the side walls includes a dispensing opening. ... International Paper Company

03/30/17 / #20170087912

Low basis weight inkjet printable substrates with lower showthrough and improved waterfastness and print density

An article in the form of a printable substrate having a showthrough value of about 0.14 or less, and an opacity value of at least about 88% which includes a paper substrate with a first and second surfaces formed of paper fibers having a basis weight of from about 12 to about 32 lbs/1300 ft2, and a substrate filler in an amount in the range of from 0 to about 30% by weight of the paper substrate; and a surface size layer on at least one of the first and second surfaces, the surface size layer having about 50 lbs or less per ton of the paper substrate of a starch surface sizing agent and a multivalent metal salt drying agent in an amount sufficient to impart to the at least one of the first and second surfaces a black print density value of at least about 0.8 when inkjet printed with pigmented inks and a waterfastness value of at least about 85% when inkjet printed with dye-based inks, the printable substrate having a md tensile strength of at least about 12 lbs/in. And a cd tensile strength of at least about 6 lbs/in. ... International Paper Company

03/30/17 / #20170087532

Compositions and particles containing cellulosic fibers and stabilized- and/or activated- urease inhibitors, as well as methods of making and using the same

The present invention relates to compositions containing stabilized and/or activated urease inhibitors, as well as methods of making and using the same.. . ... International Paper Company

03/23/17 / #20170081802

Methods and apparatus for forming fluff pulp sheets

An improved processes for making fluff pulp sheets mechanically eliminates many of the unwanted fiber-to-fiber bonding (fiber bundles) which may be contained in the sheet to produce consistent and uniform quality fluff pulp. Pulp slurry is deposited on a moving bottom forming wire to form a stock web. ... International Paper Company

03/09/17 / #20170066271

Recording sheet with improved image dry time

This invention is directed to a recording sheet having improved image dry time for use in printing comprising a substrate having in contact with at least one surface thereof one or more water soluble divalent metal salts, preferably admixed with one or more starches, to process of forming such recording sheet, to a method of generating one or more image(s) on said recording sheet in a printing process and to a recording sheet having one or more images on a surface thereof.. . ... International Paper Company

02/09/17 / #20170037578

Separated treatment of paper substrate with multivalent metal salts and obas

A process for providing printable substrates by separately treating one or both surfaces of a paper substrate with an optical brightening agent (oba) and a multivalent metal salt drying agent, where one or both surfaces of the paper substrate is treated with one of these two agents at the size press, and where the surface(s) is treated with the other of these two agents before or after the size press.. . ... International Paper Company

01/12/17 / #20170008697

System for complete dispensing of flowable materials from a bulk shipping container

The present invention is directed to a system for fully dispensing liquid from a bulk shipping container. The system includes a bulk bin and a cassette disposed therein. ... International Paper Company








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