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John T Hartness, Guo Feng Xu: Resin composition, a fiber reinforced material having a partially impregnated resin and composites made therefrom. Cytec Technology, Fitzpatrick Cella Harper & Scinto, October 31, 2000: US06139942 (48 worldwide citation)

A partially impregnated preform employs a fiber layer partially impregnated with a resin to form a fiber reinforced resin composite. The fiber layer of the partially impregnated preform is formed of a plurality of parallel oriented tows, each tow formed of a plurality of unidirectional reinforcement ...


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John T Hartness, Guo Feng Xu: Resin composition, a fiber reinforced material having a partially impregnated resin and composites made therefrom. Cytec Technology, Fran S Wasserman, May 20, 2003: US06565944 (12 worldwide citation)

A partially impregnated preform employs a fiber layer partially impregnated with a resin to form a fiber reinforced resin composite. The fiber layer of the partially impregnated preform is formed of a plurality of parallel oriented tows, each tow formed of a plurality of unidirectional reinforcement ...


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Guo Feng Xu: Biological artificial ligament and method of making. Grandhope Biotech, Raymond Sun, March 9, 2010: US07674289 (5 worldwide citation)

A prosthesis for implantation into a human body is made by a method that includes the steps of providing a natural animal ligament or tendon that has a substrate, crosslinking and fixing the substrate, minimizing the antigens from the substrate, tanning the substrate to improve its mechanical proper ...


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Guo Feng Xu: Biological wound dressing and method of making. Grandhope Biotech, Raymond Sun, October 26, 2010: US07820871 (5 worldwide citation)

A biological wound dressing is made by a method that includes the steps of providing a natural animal tissue that has a substrate, crosslinking and fixing the substrate, minimizing the antigens from the substrate, and incorporating an active layer in the substrate.


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Guo Feng Xu: Biological artificial blood vessel and method of making. Grandhope Biotech, Raymond Sun, October 23, 2012: US08292799 (4 worldwide citation)

A prosthetic device for implantation into a human body is made by a method that includes the steps of providing a natural animal tissue that has a substrate, crosslinking and fixing the substrate, minimizing the antigens from the substrate, tanning the substrate to improve its mechanical properties, ...


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Guo Feng Xu: Biological artificial ligament and method of making. Grandhope Biotech, Raymond Sun, November 2, 2010: US07824447 (4 worldwide citation)

A prosthesis for implantation into a human body is made by a method that includes the steps of providing a natural animal ligament or tendon that has a substrate, crosslinking and fixing the substrate, minimizing the antigens from the substrate, tanning the substrate to improve its mechanical proper ...


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Guo Feng Xu: Biological artificial nerve guide and method of making. Grandhope Biotech, Raymond Sun, November 17, 2009: US07618653 (3 worldwide citation)

A biological nerve guide for implantation into a human body is made by providing a natural animal tissue membrane, crosslinking and fixing the membrane, minimizing the antigens from the membrane, tanning the membrane, coupling an active layer to an inner surface of the membrane, cutting the membrane ...


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Guo Feng Xu: Biological artificial nerve guide and method of making. Grandhope Biotech, Raymond Sun, February 5, 2013: US08366770

A biological nerve guide for implantation into a human body is made by providing a natural animal tissue membrane, crosslinking and fixing the membrane, minimizing the antigens from the membrane, tanning the membrane, coupling an active layer to an inner surface of the membrane, cutting the membrane ...


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Song Tao Qi, Guo Feng Xu: Biological membrane-carrying aneurysm clip. Grandhope Biotech, Raymond Sun, June 12, 2012: US08197500

An aneurysm clip has a biological membrane and a metal clip. The membrane is harvested from an animal, crosslinked, and then has its antigens minimized. The membrane also has an active layer coupled thereto. The metal clip has a first clip bar and a second clip bar that are attached to each in a bia ...