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Hot Springs, AK, United States

Weyerhaeuser is one of the world's largest private owners of timberlands. It owns or controls more than 6 million acres of timberlands, primarily in the U.S., and manages another 14 million acres under long-term licenses in Canada. The company also manufactures wood and cellulose fiber products. Weyerhaeuser is a real estate investment trust. Wikipedia.


The invention relates to a process for preparing a composition comprising 10 to 45% of the total solids weight lignin, polyacrylonitrile or a polyacrylonitrile copolymer, and a solvent to form a lignin-based polyacrylonitrile-containing dope and the resulting products. The dope can be processed to produce fibers, including precursor, oxidized and carbonized fibers. The oxidized fibers are of value for their flame resistant properties and carbonized fibers are suitable for use in applications requiring high strength fibers, or to be used to form composite materials.


Patent
Weyerhaeuser Company | Date: 2014-09-30

A totipotent plant tissue multiplication system can include a sterile enclosure and a bioreactor in the sterile enclosure. The bioreactor can include a number of ports. A sensor can be inserted into a first port. A matter insertion system can input matter into the bioreactor via tubing configured to be connected to a second port. The sensor can be removed from the first port during operation of the matter insertion system. The tubing can be disconnected from the second port during operating of the sensor and the culture transfer system.


Patent
Weyerhaeuser Company | Date: 2015-07-08

Methods of transferring a plurality of plant somatic embryos to germination medium are provided.


Patent
Weyerhaeuser Company | Date: 2014-06-20

The present disclosure relates to a pick-up and delivery system including a pick-up assembly and a delivery assembly. The pick-up assembly includes a robotic arm, a pick-up device rotatably mounted on the robotic arm, and a first vacuum pressure supply port operably connected to the pick-up device. The delivery assembly includes an insertion device and a second vacuum pressure supply port. The insertion device may include an insertion member and a release assistance rod arranged inside the insertion member. The release assistance rod is moveable between an extended position and a retracted position. When the release assistance rod is in the extended position, a proximal end extends beyond an end of the insertion member. Further aspects are directed towards methods for grasping and releasing an object with a pick-up and delivery system.


Patent
Weyerhaeuser Company | Date: 2014-12-11

The present disclosure relates to a pick-up and delivery system including a pick-up assembly and a delivery assembly. The pick-up assembly includes a robotic arm, a pick-up device rotatably mounted on the robotic arm, and a first vacuum pressure supply port operably connected to the pick-up device. The delivery assembly includes an insertion device. The insertion device may include an insertion member having a tip and a release assistance piston arranged inside the insertion member. The release piston is moveable between an extended position and a retracted position. When the release assistance piston is in the extended position, a proximal end of is substantially flush with an end of the insertion member. Further aspects are directed towards methods for grasping and releasing an object with a pick-up and delivery system.

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