Patents Assigned to Weyerhaeuser Company
  • Patent number: 7575034
    Abstract: A lock assembly (100) is provided. Such a lock assembly includes a housing (120) and a pin assembly (129) disposed within the housing. The pin assembly is selectively actuatable between a locked position, where a pin (140) is displaced into engagement with first and second frame members (104 and 106), and an unlocked position.
    Type: Grant
    Filed: December 20, 2005
    Date of Patent: August 18, 2009
    Assignee: Weyerhaeuser Company Ltd
    Inventors: Norbert Kott, Steven Rempel
  • Publication number: 20090171591
    Abstract: The present invention relates to methods, apparatus, and imaging systems for using near-infrared spectroscopy imaging of plant embryos for classifying plant embryos. In one embodiment, a method is provided for classifying a plant embryo of an unknown type based on near infrared spectroscopy imaging.
    Type: Application
    Filed: December 23, 2008
    Publication date: July 2, 2009
    Applicant: Weyerhaeuser Company
    Inventors: Roger Timmis, Paul R. Spencer
  • Publication number: 20090090050
    Abstract: A manufactured seed is provided. The manufactured seed includes a seed shell housing a nutritive media and a restraint disposed within the seed shell. The restraint includes a cavity. The manufactured seed also includes an embryo disposed within the cavity and a fill material disposed within the cavity. The manufactured further includes a seal disposed on the seed shell to seal the embryo within the seed shell.
    Type: Application
    Filed: October 1, 2008
    Publication date: April 9, 2009
    Applicant: Weyerhaeuser Company
    Inventors: Jeffrey E. Hartle, William C. Carlson, Antony R. Shoaf
  • Publication number: 20090087908
    Abstract: In one aspect, a method is provided for producing stratified cotyledonary conifer somatic embryos. The method comprises (a) incubating a culture comprising immature conifer somatic embryos in a culture vessel comprising a development medium having an osmolality in the range of from 300 mM/Kg to 450 mM/Kg at a temperature of from 22° C. to 25° C. for a first incubation period sufficient in length for at least a portion of the embryos to reach anatomical maturity; and (b) subjecting the embryos in the culture vessel in accordance with step (a) to a temperature of from 0° C. to 10° C. for a second incubation period of at least one week lo produce stratified cotyledonary somatic embryos.
    Type: Application
    Filed: September 22, 2008
    Publication date: April 2, 2009
    Applicant: WEYERHAEUSER COMPANY
    Inventor: Amy M. Jamruszka
  • Publication number: 20090084509
    Abstract: A method for dissolving cellulose in which the cellulose based raw material is admixed with a mixture of a protic intercrystalline swelling agent and an ionic liquid at a temperature of 25° C. to 180° C. for a time sufficient to dissolve the cellulose based raw material. The molar ratio of protic intercyrstalline swelling agent to ionic liquid may be 0.05 to 1.5 moles of protic intercrystalline swelling agent to 1 mole of ionic liquid.
    Type: Application
    Filed: September 29, 2008
    Publication date: April 2, 2009
    Applicant: Weyerhaeuser Company
    Inventors: Mengkui Luo, Amar N. Neogi, Hugh West
  • Publication number: 20090087909
    Abstract: In one aspect, a method is provided for increasing germination vigor of conifer somatic embryos produced in vitro. The method comprises (a) culturing a plurality of immature conifer somatic embryos for a first incubation period in, or on, a first development medium that comprises less than 0.1% trehalose; and (b) culturing the plurality of immature conifer somatic embryos treated in accordance with step (a) for a second incubation period in, or on, a second development medium that comprises at least 0.1% trehalose.
    Type: Application
    Filed: September 26, 2008
    Publication date: April 2, 2009
    Applicant: Weyerhaeuser Company
    Inventors: Carolyn V. Carpenter, Mayumi Ikeda
  • Publication number: 20090088564
    Abstract: A method for dissolving cellulose in which the cellulose based raw material is admixed with a mixture of a dipolar aprotic intercrystalline swelling agent and an ionic liquid at a temperature of 25° C. to 180° C. for a time sufficient to dissolve the cellulose based raw material. The molar ratio of dipolar aprotic intercrystalline swelling agent to ionic liquid is 0.05 to 1.5 moles of dipolar aprotic intercrystalline swelling agent to 1 mole of ionic liquid. Dipolar aprotic intercrystalline swelling agents do not include imidazole based agents or amine based agents.
    Type: Application
    Filed: September 29, 2008
    Publication date: April 2, 2009
    Applicant: Weyerhaeuser Company
    Inventors: Mengkui Luo, Amar N. Neogi, Hugh West
  • Publication number: 20090088552
    Abstract: A method of preparing a material for use in a manufactured seed is provided. The method includes providing the material having a melting temperature. The method also includes subjecting the material to a heat treatment at a temperature about 10% below the melting temperature for a predetermined period of time.
    Type: Application
    Filed: September 26, 2008
    Publication date: April 2, 2009
    Applicant: Weyerhaeuser Company
    Inventors: William C. Carlson, Antony R. Shoaf, Randy L. Eatherton
  • Publication number: 20090083884
    Abstract: A method of separating an embryo suspension mass is provided. The method includes supplying an embryo suspension mass culture having a plurality of first particles of a first size and a plurality of second particles of a second size different at least in part from the first size of the first particles. The method also includes suspending the embryo suspension mass culture in a fluid to create a mixture and forcing the mixture through a filter while maintaining the mixture in the fluid to separate the first particles from the second particles.
    Type: Application
    Filed: September 17, 2008
    Publication date: March 26, 2009
    Applicant: Weyerhaeuser Company
    Inventors: Judith N. Zucati, Robert A. Starr
  • Publication number: 20090068756
    Abstract: A composite wood product and methods for manufacturing the same and determining the concentration and distribution of an organic biocide within a composite wood product are provided. The organic biocide may be added to wood elements (i.e., fibers, flakes, strands, veneers) prior to consolidation and/or heating of the wood particles to form the composite wood product. A tracer additive may be mixed with the biocide, or applied separately to the furnish which is used to produce the composite wood product. The tracer additive may be detected via, for example, x-ray fluorescence. An amount of tracer additive detected may correlate to an amount of organic biocide within the wood elements and/or the composite wood product.
    Type: Application
    Filed: November 14, 2008
    Publication date: March 12, 2009
    Applicant: WEYERHAEUSER COMPANY
    Inventors: Marek J. Gnatowski, Christine L. Mah, Gareth Paul Merrick
  • Patent number: 7474964
    Abstract: Aspects of the present invention are directed at using LiDAR data to identify attributes of vegetation. In this regard, a method is provided that allocates points to individual items of vegetation from raw LiDAR data. In one embodiment, the method includes selecting a coordinate position represented in the LiDAR data that generated a return signal. Then, a determination is made regarding whether the selected coordinate position is inside a geographic area allocated to a previously identified item of vegetation. If the selected coordinate position is not within a geographic area allocated to a previously identified item of vegetation, the method determines that the selected coordinate position is associated with a new item of vegetation. In this instance, a digital representation of the new item of vegetation is generated.
    Type: Grant
    Filed: June 22, 2007
    Date of Patent: January 6, 2009
    Assignee: Weyerhaeuser Company
    Inventors: Jeffrey J Welty, Earl T Birdsall, Robert K McKinney
  • Patent number: 7455902
    Abstract: A mixed polymer composite fiber including a carboxyalkyl cellulose and a galactomannan polymer or glucomannan polymer.
    Type: Grant
    Filed: October 2, 2006
    Date of Patent: November 25, 2008
    Assignee: Weyerhaeuser Company
    Inventors: S. Ananda Weerawarna, Mengkui Luo, Bing Su, Alena Michalek
  • Patent number: 7452722
    Abstract: The present invention provides methods for producing conifer cotyledonary somatic embryos. The methods of the present invention each includes the step of culturing embryogenic conifer tissue in, or on, a development medium for a period of time sufficient to produce conifer cotyledonary somatic embryos from the embryogenic conifer tissue, wherein the volume of development medium is in the range of from about 35 ml to about 50 ml per 0.5 mL of embryogenic conifer tissue.
    Type: Grant
    Filed: February 7, 2005
    Date of Patent: November 18, 2008
    Assignee: Weyerhaeuser Company
    Inventors: Pramod K. Gupta, Diane G. Holmstrom, Bonnie Larson
  • Patent number: 7451569
    Abstract: The present invention provides methods for promoting the growth of shoots from a log, the methods each including the step of applying a fertilizer solution, that includes less than about 0.01% (w/v) nitrogen, to a member of the group consisting of an Alder log, a Beech log and a Birch log, in an amount sufficient to promote the growth of shoots from the log.
    Type: Grant
    Filed: December 3, 2003
    Date of Patent: November 18, 2008
    Assignee: Weyerhaeuser Company
    Inventor: Barrington Herman
  • Patent number: 7452573
    Abstract: The barrier properties of a water soluble gas barrier material are improved if the material is blended with a nanoparticle calcium carbonate having a size of from 10 to 250 nanometers. The barrier material is on a substrate to provide a substrate with gas barrier properties. A layer of heat sealable material may be applied to the exposed surface of the barrier material. A method for making the barrier coated substrate is disclosed.
    Type: Grant
    Filed: June 21, 2005
    Date of Patent: November 18, 2008
    Assignee: Weyerhaeuser Company
    Inventors: David E. Fish, Michael J. Dougherty, Dwayne M. Shearer, Amar N. Neogi
  • Patent number: 7452200
    Abstract: A briquetting die set comprises first and second mating cylindrical dies. The first die has a plurality of adjacent recesses surrounded by a wall having an upper rim. At least a portion of the upper rim of each recess is common to an adjacent recess and has a relatively small radius of curvature. The second mating die has mirror image recesses thereon. When the first and second dies are brought into mating relationship, the upper rims of the first and second plurality of recesses mate with each other in substantially line contact to form a briquetting cavity.
    Type: Grant
    Filed: March 30, 2005
    Date of Patent: November 18, 2008
    Assignee: Weyerhaeuser Company
    Inventors: Mike W. McCaw, Roman T. Dec
  • Patent number: 7451696
    Abstract: A press unit (20) for a manufactured wood press (60) is provided. The press unit includes a housing (80), a platen (90), and a drive assembly (76) disposed within the housing. The drive assembly is coupled to the platen to drive the platen in a non-linear motion. More specifically, the drive assembly includes a shaft having concentric and eccentric portions which are disposed on separate axes. Rotation of the eccentric portion about its respective axis causes movement of the platen in the non-linear motion.
    Type: Grant
    Filed: September 28, 2005
    Date of Patent: November 18, 2008
    Assignee: Weyerhaeuser Company
    Inventors: Norbert Kott, Steven Rempel, Orlando C. Janzen, Ayodele Adeleye, Edmond Tam, James Cheng
  • Publication number: 20080227161
    Abstract: A method for producing a hydrolysate from lignocellulosic materials generally includes fiberizing the lignocellulosic materials, separating the lignocellulosic materials into at least a first portion and a second portion, wherein at least the first portion includes lignin, treating the first portion to deactivate at least a portion of the lignin in the first portion, re-combining the first and second portions after treating the first portion, and hydrolyzing the lignocellulosic materials with enzymes to produce a hydrolysate.
    Type: Application
    Filed: March 17, 2008
    Publication date: September 18, 2008
    Applicant: WEYERHAEUSER COMPANY
    Inventors: Benjamin E. Levie, Amar N. Neogi, Sheldon J B Duff, Jeffrey E. Mayovsky, Dwight E. Anderson, Robert C. Eckert, Chundakkadu Krishna
  • Publication number: 20080227182
    Abstract: Systems and methods for enzymatic hydrolysis of lignocellulosic materials are provided. A system for enzymatic hydrolysis of lignocellulosic materials generally includes a reactor vessel configured to contain a mixture of lignocellulosic stock and enzymes. The reactor vessel includes a first agitator for mixing in the reactor vessel. The system further includes a recycle loop coupled to the reactor vessel for recycling the mixture from and returning to the reactor vessel and a second agitator for mixing in the recycle loop.
    Type: Application
    Filed: March 17, 2008
    Publication date: September 18, 2008
    Applicant: WEYERHAEUSER COMPANY
    Inventors: Dwight E. Anderson, Chundakkadu Krishna
  • Publication number: 20080220562
    Abstract: A low channel length organic field-effect transistor can be produced in high volume and at low cost. The transistor structure includes successively deposited patterned layers of a first conductor layer acting as a source terminal, a first dielectric layer, a second conductor layer acting as a drain terminal, a semiconductor layer, a second dielectric layer, and a third conductor layer acting as the gate terminal. In this structure, the transistor is formed on the edge of the first dielectric between the first conductor layer and the second conductor layer. The second conductor layer is deposited on the raised surfaces formed by the dielectric such that conductive ink does not flow into the trough between the dielectric raised surfaces. This is accomplished by coating a flat or rotary print plate with the conductive ink, and applying the appropriate pressure to deposit the materials only on the raised surfaces of the dielectric. The second metal is automatically aligned to the layer beneath it.
    Type: Application
    Filed: May 20, 2008
    Publication date: September 11, 2008
    Applicant: Weyerhaeuser Company
    Inventors: Klaus Dimmler, Robert R. Rotzoll