Patents Assigned to International Paper Company
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Patent number: 9062227Abstract: A paper sizing composition is provided, which comprises a water-soluble salt of Ca(II) and at least one organic acid; and starch. Methods of making and using the composition, and methods of making and using the recording sheets which include the composition, are disclosed.Type: GrantFiled: March 17, 2014Date of Patent: June 23, 2015Assignee: INTERNATIONAL PAPER COMPANYInventor: Michael F. Koenig
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Patent number: 9051077Abstract: A front-rollover-style and hammer lock shipping container formed from a one-piece unitary blank of material which comprises a bottom wall foldably joined to upstanding opposed parallel side walls, a back wall, and a front wall to form an interior space. A top wall is foldably joined to the back wall. The bottom wall comprises two front slots each of which is formed on longitudinal edge in proximity of the front wall. The front wall comprises two wall panels being coextensively in overlapping relationship wherein one of the front wall panels includes a pair of front locking tabs spaced apart from one another that are engaged with the respective two front slots when the container is fully constructed.Type: GrantFiled: July 25, 2014Date of Patent: June 9, 2015Assignee: International Paper CompanyInventor: Timothy J. Justice
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Patent number: 9045251Abstract: A container is formed from a one-piece blank including a bottom panel, first and second opposed side walls, and first and second end walls. A top lid panel is foldably attached to the first side wall and a bottom lid panel is foldably attached to the second side wall. A plurality of reinforcing locking tabs is formed in the respective top and bottom lid panels. Each of the respective plurality of reinforcing locking tabs is sandwiched between their respective inner panel and middle panels so as to prevent the side walls from being distorted upon outward pressure applied to these side walls when the container is unreasonably over-packed during shipping and transportation.Type: GrantFiled: July 29, 2014Date of Patent: June 2, 2015Assignees: IP CARTONES Y CORRUGADOS, S. DE R.L. DE C.V., INTERNATIONAL PAPER COMPANYInventors: Hector Alonso Sanchez, Jose Manuel Fraga Munoz, David Kretz
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Publication number: 20150144686Abstract: An adjustable display tray comprises a bottom wall, opposite side walls, a front wall and a back wall foldably joined to one another to form an open-top adjustable interior space for containing articles. The adjustable interior space includes a central section formed by two parallel spaced apart fold lines on the bottom wall and respective central portions of the front wall and back wall. Respective first and second reducible or expandable sections foldably extend from the respective two parallel spaced apart fold lines. Each of the respective first and second reducible or expandable sections includes a respective tray front hinge and a respective back swing flap which are formed on the respective front and the back walls to permit the respective first and second reducible or expandable sections reducing or expanding the interior space of the adjustable display tray.Type: ApplicationFiled: November 22, 2013Publication date: May 28, 2015Applicant: INTERNATIONAL PAPER COMPANYInventors: GERMAN ADIEL MIRANDA, ALAN KEITH REISCHE
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Publication number: 20150114920Abstract: A display rack for displaying articles has a support frame with two walls extending at an angle from a narrow strip at the rear corner of the frame. A tubular reinforcing structure extends along the forward free edge of each wall, and aligned openings are in the strip and the reinforcing structures. A plurality of shelves having front and rear corners and opposite side corners are supported on the frame between the walls, with the rear corners engaged in respective openings in the strip and the side corners engaged in respective openings in the reinforcing structures. A forward portion of the shelves projects forwardly of the frame for greater visibility of and access to articles supported on the shelves. A reinforcing brace extends diagonally in each shelf from the rear corner to the front corner, whereby the shelves are essentially cantilevered from the frame.Type: ApplicationFiled: October 31, 2013Publication date: April 30, 2015Applicant: INTERNATIONAL PAPER COMPANYInventor: Gregory James Kula
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Patent number: 9017803Abstract: A multi-ply paper substrate is provided, which comprises at least two plies bonded to one another by an adhesive; a basis weight of 80-200 gsm; an internal bond of 10-180 milli-ft.-lb/sq. in. as measured by TAPPI method 541; an MD tensile of 20-300 lbf/inch width as measured by TAPPI method 494; and a CD tensile of 10-300 lbf/inch width as measured by TAPPI method 494. Methods of making and using the paper substrate, products made therefrom, and uses of the paper substrate are also provided.Type: GrantFiled: July 19, 2012Date of Patent: April 28, 2015Assignee: International Paper CompanyInventors: Dennis W. Anderson, James E. Sealey
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Patent number: 9016557Abstract: A container comprises a body having a bottom wall, opposed side walls, and opposed end walls foldably joined with one another for holding and shipping different products contained therein. Each of the opposed side walls includes a respective first and second locking member. Two separate self-locking support panels each of which comprises a respective third and fourth locking members formed therein to be engaged with the corresponding first and second locking members in an overlapping relationship. Each of the first and second locking members is defined by a first locking tab and a first U-shaped slot that is formed by indentation of the first locking tab toward interior of the body of the container.Type: GrantFiled: December 9, 2011Date of Patent: April 28, 2015Assignee: International Paper CompanyInventor: Mark Wisecarver
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Patent number: 9003938Abstract: A fin assembly for attachment to a die cutting machine to guide and align at least two blanks cut from a sheet in the machine as the blanks are fed through the machine. The fin assembly includes at least one thin plate-like fin having length and height dimensions and a narrow thickness. The fin is mounted in the machine so that the length dimension is in substantial alignment with a respective cut separating two blanks cut in the machine, so that the blanks fall on opposite sides of the fin as they are fed through the machine, whereby the fin keeps the blanks separate and aligns them as they are fed through the machine. At least one back stop is associated with the fin to prevent blanks from moving in a reverse direction and falling out of the machine when they fall past the fin.Type: GrantFiled: June 13, 2012Date of Patent: April 14, 2015Assignee: International Paper CompanyInventors: Michael G. Long, Billy G. Turney, Jr.
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Patent number: 8998070Abstract: A bulk container for shipping product in bulk from one location to another location, wherein the container has a sidewall with a top end and a bottom end, a bottom closure at the bottom end of the sidewall closing the bottom end of the container, a bag liner in the container, and attaching structure on the bottom closure for attaching the bottom end of the bag liner to the bottom end of the container so that the bag liner remains in the container when the container is inverted and product is dumped from the container.Type: GrantFiled: April 23, 2013Date of Patent: April 7, 2015Assignee: International Paper CompanyInventor: Mark Anthony Wisecarver
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Patent number: 8999114Abstract: A process for making bleached pulp comprises contacting an unbleached pulp mixture with a first recycled filtrate obtained from a first location (3) of a first recycled filtrate loop, to obtain a first pulp mixture having a first consistency; bleaching the first pulp mixture, to obtain a first bleached pulp mixture; pressing or dewatering the first bleached pulp mixture, to obtain a first pressed bleached pulp mixture and a second filtrate; sending at least a portion of the second filtrate to a second location (5) of the first recycled filtrate loop, wherein the second location (5) is downstream of and in fluid communication with the first location (3); contacting the first pressed bleached pulp mixture with a second recycled filtrate obtained from a third location (6) of the first recycled filtrate loop, to obtain a second pulp mixture having a second consistency, wherein the second consistency is greater than the first consistency, and wherein the third location (6) is downstream of and in fluid communicatiType: GrantFiled: February 28, 2014Date of Patent: April 7, 2015Assignee: International Paper CompanyInventor: Caifang F. Yin
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Patent number: 8986504Abstract: A digester apparatus is provided for delignifying wood chips to form wood pulp comprising: a vessel, a first downcomer, an outer fluid supply downcomer and structure defining an insulating region between the first and outer downcomers. The first downcomer extends into the vessel for delivering a first fluid into the vessel. The first fluid is generally at a first temperature when passing into the first downcomer. The outer fluid supply downcomer extends into the vessel and may be located about the first downcomer for supplying a second fluid into the vessel. The second fluid may be generally at a second temperature different from the first temperature when passing into the outer downcomer. The structure defining an insulating region between the first and outer downcomers functions to reduce heat transfer between the first and outer downcomers.Type: GrantFiled: October 25, 2013Date of Patent: March 24, 2015Assignee: International Paper CompanyInventors: Ronald A. Eckl, Alyce S. Alt, Kenton Witherspoon, Jesse T. McClung
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Patent number: 8985321Abstract: The present invention is directed to a shipping container convertible into a display configuration at a point of sale which comprises a display base and a removable cover base. The removable cover base is integrally attached to the display base through two pairs of non-linear zipper perforations lines to form the shipping container convertible into a display configuration. The shipping container convertible into a display configuration comprises opposite side walls each having a length and a top edge and a bottom edge and opposite end walls each having a width and a top edge and a bottom edge. Top major and minor flaps are foldably joined to the top edges of the side walls and end walls, and bottom major and minor flaps are foldably joined to the bottom edges of the side walls and end walls.Type: GrantFiled: December 19, 2012Date of Patent: March 24, 2015Assignee: International Paper CompanyInventor: Nicholas A. Philips
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Patent number: 8980051Abstract: This invention relates to the delignification of lignocellulosic pulp. More particularly, the invention relates to sulfonation and bleaching of the alkali pulping produced by Kraft pulp processes or produced through combination of alkali pulping processes and extended delignification stages.Type: GrantFiled: April 24, 2009Date of Patent: March 17, 2015Assignee: International Paper CompanyInventor: Xuan T. Nguyen
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Patent number: 8980523Abstract: The present invention provides dual wavelength imaging compositions, processes for forming dual wavelength imaging compositions, methods for forming images using dual wavelength imaging compositions and substrate (e.g., paper web) treated (e.g., coated) on one or both sides with dual wavelength imaging compositions. Also provided is a dual wavelength imaging particulate comprising a matrix of polymer material and containing: one or more image-forming agents; a photo-oxidizing agent which is activated at a first wavelength of light to cause the one or more image-forming agents to form one or more images; and a reducing agent which is activated at a second wavelength of light to cause termination of the formation of the one or more images.Type: GrantFiled: November 18, 2013Date of Patent: March 17, 2015Assignee: International Paper CompanyInventors: Richard C. Williams, Richard D. Faber, Oleg Grinevick, John Malpert, Alexandre Mejiritski, Douglas C. Neckers
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Patent number: 8974636Abstract: A fluff pulp or other pulp, comprises a multivalent cationic metal ion selected from the group consisting of Al+3, B+3, Mn+2, Cu+2, Cu+3, Zn+2, Sn+2, Sn+4, water-soluble salt thereof, or combination thereof; an amine-containing anti-static agent; and pulp. Methods of making and using the pulp, as well as articles therefrom, are provided.Type: GrantFiled: June 13, 2013Date of Patent: March 10, 2015Assignee: International Paper CompanyInventors: James E. Sealey, Peter M. Froass, Sylvie Marie Rita Carriere
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Publication number: 20150048149Abstract: The present invention is directed to a container comprises a bottom wall, opposite sidewalls, and opposite end walls all of which foldably joined to one another to form an interior space to receive products therein. A respective first and second top wall panels is foldably joined to respective longitudinal edges of the opposite sidewalls. A first pair of end sealing flaps each of which is foldably joined to respective lateral edge of the first top wall panel. A second pair of end sealing flaps each of which is foldably joined to respective lateral edge of the second top wall panel and wherein the first and second top wall panels is capable of being partially overlapped to cover the interior space without each of the respective end sealing flaps being substantially overlapped with one another when the container is enclosed with the product.Type: ApplicationFiled: August 16, 2013Publication date: February 19, 2015Applicant: International Paper CompanyInventor: Timothy Joe Justice
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Patent number: 8906476Abstract: A composition is provided, which comprises a water-soluble salt of a divalent metal; a complexing agent having an affinity for the divalent metal; and an optical brightening agent. Methods of using the composition, and recording sheets which include the composition, are also disclosed.Type: GrantFiled: January 25, 2013Date of Patent: December 9, 2014Assignee: International Paper CompanyInventors: Zheng Tan, Sen Yang, Jingxiu Wan, Benny J. Skaggs, Benjamin Thomas Liguzinski
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Patent number: 8871054Abstract: A process is provided for making a fluff pulp sheet, comprising: contacting at least one cationic dye and at least one debonder surfactant with a composition comprising fluff pulp fibers, to form a fluff pulp mixture; forming a web from the fluff pulp mixture; and drying the web, to obtain the fluff pulp sheet. A fluff pulp sheet is also provided, comprising a web comprising fluff pulp fibers; at least one cationic dye; and at least one debonder surfactant. Products and uses of the fluff pulp sheet are also provided.Type: GrantFiled: July 21, 2011Date of Patent: October 28, 2014Assignee: International Paper CompanyInventor: James E. Sealey
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Patent number: 8871053Abstract: A fire resistant fluff pulp web made from a fluff pulp web, a fire retardant component present in and/or on the fluff pulp, and a fire retardant distributing surfactant which distributes the fire retardant component in and/or on the fluff pulp web in a manner so that the fluff pulp web passes one or more fire resistance tests. Also, a process for preparing these fire resistant fluff pulp webs, as well as for treating outer fibrous layers comprising an air-laid mixture of these fire resistant fluff pulp fibers and bicomponent fibers with up to about 5% additional fire retardant and which are used in fire resistant air-laid fibrous structures useful in upholstery, cushions, mattress ticking, panel fabric, padding, bedding, insulation, materials for parts in devices and appliances, etc.Type: GrantFiled: February 28, 2014Date of Patent: October 28, 2014Assignee: International Paper CompanyInventors: James E. Sealey, Brent A. Fields
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Patent number: D732826Type: GrantFiled: October 12, 2012Date of Patent: June 30, 2015Assignee: INTERNATIONAL PAPER COMPANYInventors: James C. Greene, John Sink