Patents by Inventor Rongsheng Roger Ruan
Rongsheng Roger Ruan has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Patent number: 8969321Abstract: The present invention provides a method for using processed cellulose. Preferably, the processed cellulose is a highly refined cellulose (HRC). The HRC is useful in a number of medical and nutritional applications. These medical and nutritional applications can include, but are not limited to, administering effective amounts of the HRC for lowering values of risk factor measurements for such diseases as arteriosclerotic cardiovascular disease and diabetes. Treatment of other diseases and conditions with the HRC is also possible.Type: GrantFiled: November 22, 2013Date of Patent: March 3, 2015Assignee: Regents of the University of MinnesotaInventors: Paul Bradley Addis, Rongsheng Roger Ruan, Joseph M. Keenan, Daniela Geleva
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Publication number: 20140080786Abstract: The present invention provides a method for using processed-cellulose. Preferably, the processed cellulose is a highly refined cellulose (HRC). The HRC is useful in a number of medical and nutritional applications. These medical and nutritional applications can include, but are not limited to, administering effective amounts of the HRC for lowering values of risk factor measurements for such diseases as arteriosclerotic cardiovascular disease and diabetes. Treatment of other diseases and conditions with the HRC is also possible.Type: ApplicationFiled: November 22, 2013Publication date: March 20, 2014Applicant: Regents of the University of MinnesotaInventors: Paul Bradley Addis, Rongsheng Roger Ruan, Joseph M. Keenan, Daniela Geleva
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Patent number: 8623841Abstract: The present invention provides a method for using processed-cellulose. Preferably, the processed cellulose is a highly refined cellulose (HRC). The HRC is useful in a number of medical and nutritional applications. These medical and nutritional applications can include, but are not limited to, administering effective amounts of the HRC for lowering values of risk factor measurements for such diseases as arteriosclerotic cardiovascular disease and diabetes. Treatment of other diseases and conditions with the HRC is also possible.Type: GrantFiled: August 24, 2011Date of Patent: January 7, 2014Assignee: Regents of the University of MinnesotaInventors: Paul Bradley Addis, Rongsheng Roger Ruan, Joseph M. Keenan, Daniela Geleva
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Publication number: 20110306575Abstract: The present invention provides a method for using processed-cellulose. Preferably, the processed cellulose is a highly refined cellulose (HRC). The HRC is useful in a number of medical and nutritional applications. These medical and nutritional applications can include, but are not limited to, administering effective amounts of the HRC for lowering values of risk factor measurements for such diseases as arteriosclerotic cardiovascular disease and diabetes. Treatment of other diseases and conditions with the HRC is also possible.Type: ApplicationFiled: August 24, 2011Publication date: December 15, 2011Applicant: Regents of the University of MinnesotaInventors: PAUL BRADLEY ADDIS, Rongsheng Roger Ruan, Joseph M. Keenan, Daniela Geleva
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Patent number: 8026226Abstract: The present invention provides a method for using processed cellulose. Preferably, the processed cellulose is a highly refined cellulose (HRC). The HRC is useful in a number of medical and nutritional applications. These medical and nutritional applications can include, but are not limited to, administering effective amounts of the HRC for lowering values of risk factor measurements for such diseases as arteriosclerotic cardiovascular disease and diabetes. Treatment of other diseases and conditions with the HRC is also possible.Type: GrantFiled: October 11, 2002Date of Patent: September 27, 2011Assignee: Regents of the University of MinnesotaInventors: Paul Bradley Addis, Rongsheng Roger Ruan, Joseph M. Keenan, Daniela Geleva
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Patent number: 7582213Abstract: The present invention comprises an improved method for refining cellulose that produces a highly refined cellulosic material. The method comprises soaking raw material in a mild NaOH using reduced temperatures and pressures, and refining the material with a plate refiner so that a waste water stream is reduced in volume and has a pH within a range of 8 to 9. The present invention also comprises a HRC gel having a lignin concentration of at least about one (1)% by weight, and a water retention capacity of about 25 to at least about 56 g H2O/g dry HRC.Type: GrantFiled: May 16, 2006Date of Patent: September 1, 2009Assignees: Regents of the University of Minnesota, Agricultural Utilization Research InstituteInventors: Brock Lundberg, Lin Gu, Rongsheng Roger Ruan, Ling Chen, Paul Bradley Addis, Jack Edgar Johnson
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Patent number: 7074300Abstract: The present invention comprises an improved method for refining cellulose that produces a highly refined cellulosic material. The method comprises soaking raw material in a mild NaOH using reduced temperatures and pressures, and refining the material with a plate refiner so that a waste water stream is reduced in volume and has a pH within a range of 8 to 9. The present invention also comprises a HRC gel having a lignin concentration of at least about one (1)% by weight, and a water retention capacity of about 25 to at least about 56 g H2O/g dry HRC.Type: GrantFiled: November 25, 2002Date of Patent: July 11, 2006Assignees: Regents of the University of Minnesota, Agricultural Utilization Research InstituteInventors: Brock Lundberg, Lin Gu, Rongsheng Roger Ruan, Ling Chen, Paul Bradley Addis, Jack Edgar Johnson
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Publication number: 20030144245Abstract: The present invention provides a method for using processed cellulose. Preferably, the processed cellulose is a highly refined cellulose (HRC). The HRC is useful in a number of medical and nutritional applications. These medical and nutritional applications can include, but are not limited to, administering effective amounts of the HRC for lowering values of risk factor measurements for such diseases as arteriosclerotic cardiovascular disease and diabetes. Treatment of other diseases and conditions with the HRC is also possible.Type: ApplicationFiled: October 11, 2002Publication date: July 31, 2003Inventors: Paul Bradley Addis, Rongsheng Roger Ruan, Joseph M. Keenan, Daniela Geleva
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Publication number: 20030116289Abstract: The present invention comprises an improved method for refining cellulose that produces a highly refined cellulosic material. The method comprises soaking raw material in a mild NaOH using reduced temperatures and pressures, and refining the material with a plate refiner so that a waste water stream is reduced in volume and has a pH within a range of 8 to 9. The present invention also comprises a HRC gel having a lignin concentration of at least about one (1)% by weight, and a water retention capacity of about 25 to at least about 56 g H2O/g dry HRC.Type: ApplicationFiled: November 25, 2002Publication date: June 26, 2003Applicant: Regents of the University of MinnesotaInventors: Brock Lundberg, Lin Gu, Rongsheng Roger Ruan, Ling Chen, Paul Bradley Addis, Jack Edgar Johnson
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Patent number: 6506435Abstract: An improved method for refining cellulose that produces a highly refined cellulosic material comprising soaking raw material in a mild NaOH using reduced temperatures and pressures, and refining the material with a plate refiner so that a waste water stream is reduced in volume and has a pH within a range of 8 to 9. Also, a HRC gel having a lignin concentration of at least about one (1)% by weight, and a water retention capacity of about 25 to at least about 56 g H2O/g dry HRC is provided.Type: GrantFiled: November 3, 1999Date of Patent: January 14, 2003Assignees: Regents of the University of Minnesota, Agricultural Utilization Research InstituteInventors: Brock Lundberg, Lin Gu, Rongsheng Roger Ruan, Ling Chen, Paul Bradley Addis, Jack Edgar Johnson
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Patent number: 6083582Abstract: A process and materials are described in which highly refined cellulose fibers are broken down into microfibers and further processed into compositions, films, coatings and solid materials which are biodegradable and even edible. The process for the formation of hardenable compositions may comprise providing a composition comprising highly refined non-wood cellulose fiber, mechanically reducing the size of the non-wood cellulose fiber to less than 2 mm, reducing the amount of binding of microfibers by lignin within said non-wood cellulose fibers present in said composition comprising cellulose fiber to form a first fiber product, providing pressure of at least 300 psi to said first fiber product while it is in the presence of a liquid, and removing said pressure within a time interval which will cause said cellulose fiber to break down into a second fiber product comprising microfibers in said liquid.Type: GrantFiled: July 24, 1998Date of Patent: July 4, 2000Assignee: Regents of the University of MinnesotaInventors: Paul Ling Chen, Rongsheng Roger Ruan, Paul Bradley Addis, Li Xu, Lun Yi
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Patent number: 5817381Abstract: A process and materials are described in which highly refined celleuloise fibers are broken down into microfibers and further processed into compositions, films. coatings and solid materials which are biodegradable and even edible. The process for the formation of hardenable compositions may comprise:providing a composition comprising non-wood cellulose fiber, 36. mechanically reducing the size of the non-wood cellulose fiber to less than 2 mm, reducing the amount of binding of microfibers by lignin within said non-wood cellulose fibers present in said composition comprising cellulose fiber to form a first fiber product, providing pressure of at least 300 psi to said first fiber product while it is in the presence of a liquid, and removing said pressure within a time interval which will cause said cellulose fiber to break down into a second fiber product comprising microfibers in said liquid.Type: GrantFiled: November 13, 1996Date of Patent: October 6, 1998Assignees: Agricultural Utilization Research Institute, Regents of the University of MinnesotaInventors: Ling Chen, Rongsheng Roger Ruan, Jack Edgar Johnson, Paul Bradley Addis, Li Xu, Lun Yi