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Weyerhaeuser Nr Company patents


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

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Fire-resistant wood products and related technology

A composition for increasing the fire resistance of a wood product in accordance with a particular embodiment of the present technology includes intumescent particles, gas-containing elements, and a binder in which the intumescent particles and the gas-containing elements are dispersed. The composition is configured to form a coating in which the intumescent particles are present at a concentration of at least 1% by mass, and the gas-containing elements are present at a concentration of at least 0.5% by mass. ... Weyerhaeuser Nr Company

Crosslinked cellulose as precursor in production of high-grade cellulose derivatives and related technology

A pulp in accordance with a particular embodiment includes crosslinked cellulose fibers. The pulp can have high brightness, reactivity, and intrinsic viscosity. ... Weyerhaeuser Nr Company

Crosslinked cellulose as low-cost precursor in production of high-grade cellulose derivatives and related technology

A pulp in accordance with a particular embodiment includes crosslinked cellulose fibers. The pulp can have high brightness, reactivity, and intrinsic viscosity. ... Weyerhaeuser Nr Company

Methods of developing plant somatic embryos

Methods of developing plant somatic embryos include incubating the plant somatic embryos at a first temperature for a first period of time followed by storing the plant somatic embryos at a second temperature for a second period of time. The first temperature can be in the range of about 23° c. ... Weyerhaeuser Nr Company

Modified fiber from shredded pulp sheets, methods, and systems

Methods of forming crosslinked cellulose include mixing a crosslinking agent with cellulose mat fiber fragments composed of hydrogen-bonded cellulose fibers and having a solids content of about 45-95% to form a substantially homogenous mixture of non-crosslinked, individualized cellulose fibers, drying the resulting mixture to 85-100% solids, then curing the dried mixture under conditions effective to crosslink the cellulose fibers. Some of such methods may include fragmenting a cellulose fiber mat to form the mat fragments. ... Weyerhaeuser Nr Company

Methods for improving plant embryo development

Provided is a method of improving plant embryo development and/or germination. The method comprises developing plant embryos in the presence of nitric oxide (no). ... Weyerhaeuser Nr Company

Building products with fire-resistant claddings

A building product having improved fire resistance by virtue of solid fire-resistant cladding material attached to at least a portion of one or more surfaces of the building product. The solid fire-resistant cladding material includes wood fiber and binder. ... Weyerhaeuser Nr Company

Grafted crosslinked cellulose

Grafted, crosslinked cellulosic materials include cellulose fibers and polymer chains composed of at least one monoethylenically unsaturated acid group-containing monomer (such as acrylic acid) grafted thereto, in which one or more of said cellulose fibers and said polymer chains are crosslinked (such as by intra-fiber chain-to-chain crosslinks). Some of such materials are characterized by a wet bulk of about 10.0-17.0 cm3/g, an iprp value of about 1000 to 7700 cm2/mpa·sec, and/or a map value of about 7.0 to 38 cm h2o. ... Weyerhaeuser Nr Company

Thermally insulating low-density structural wooden composite

Wood-based composites, and methods for their manufacture, are provided. The composites include oriented wooden strands and cured bonding resin connecting adjacent strands. ... Weyerhaeuser Nr Company

Methods of improving germination of plant embryos

A method of improving germination of plant embryos is provided. The method entails treating a culture of plant tissue with a liquid multiplication medium comprising a plant non-metabolizable sugar. ... Weyerhaeuser Nr Company

Grafted crosslinked cellulose

Grafted, crosslinked cellulosic materials include cellulose fibers and polymer chains composed of at least one monoethylenically unsaturated acid group-containing monomer (such as acrylic acid) grafted thereto, in which one or more of said cellulose fibers and said polymer chains are crosslinked (such as by intra-fiber chain-to-chain crosslinks). Some of such materials are characterized by a wet bulk of about 10.0-17.0 cm3/g, an iprp value of about 1000 to 7700 cm2/mpa·sec, and/or a map value of about 7.0 to 38 cm h2o. ... Weyerhaeuser Nr Company








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