Patents by Inventor Akwasi A. Boateng

Akwasi A. Boateng 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).

  • Publication number: 20190127652
    Abstract: Disclosed are methods of producing calcined coke from bio-oil from a biomass feedstock. Also disclosed are calcined cokes produced by such methods.
    Type: Application
    Filed: December 20, 2018
    Publication date: May 2, 2019
    Inventors: Yaseen M. Elkasabi, Akwasi A. Boateng, Charles A. Mullen
  • Patent number: 10202557
    Abstract: Disclosed are methods of producing calcined coke from bio-oil from a biomass feedstock. Also disclosed are calcined cokes produced by such methods.
    Type: Grant
    Filed: December 17, 2015
    Date of Patent: February 12, 2019
    Assignee: The United States of America, as Represented by the Secretary of Agriculture
    Inventors: Yaseen M. Elkasabi, Akwasi A. Boateng, Charles A. Mullen
  • Publication number: 20180371323
    Abstract: Disclosed are methods of producing calcined coke from bio-oil from a biomass feedstock. Also disclosed are calcined cokes produced by such methods having desirable structural characteristics.
    Type: Application
    Filed: June 25, 2018
    Publication date: December 27, 2018
    Inventors: Yaseen M. Elkasabi, Hans Darmstadt, Akwasi Boateng
  • Patent number: 9434885
    Abstract: Methods for producing bio-oil from a feedstock (e.g., lignocellulosic) involving (1) pyrolyzing the feedstock in an inert atmosphere in a reactor to produce bio-oil, bio-char and non-condensable gases; (2) recycling 50 to about 85% of the non-condensable gases to the reactor to produce deoxygenated bio-oil; wherein the method is conducted in the absence of oxygen and wherein the method does not utilize externally added catalysts.
    Type: Grant
    Filed: February 26, 2013
    Date of Patent: September 6, 2016
    Assignee: The United States of America, as Represented by the Secretary of Agriculture
    Inventors: Charles A. Mullen, Akwasi A. Boateng, Neil M. Goldberg
  • Publication number: 20160177184
    Abstract: Methods for producing bio-oil from a feedstock (e.g., guayule bagasse and/or guayule leaves), involving (1) pyrolyzing the feedstock in an inert atmosphere in a reactor to produce bio-oil, bio-char and non-condensable gases; (2) recycling about 10 to about 99% of the non-condensable gases to the reactor to produce deoxygenated bio-oil; wherein the method is conducted in the absence of oxygen and wherein said method does not utilize externally added catalysts. Also disclosed are bio-oils produced from such methods. Additionally, the methods further involving (a) first distilling the bio-oil to produce distillates and then reacting the distillates in a hydrodeoxygenation reactor in a chemically reductive atmosphere (e.g., hydrogen environment to produce hydrocarbons, water, and non-condensable gases or (b) reacting the bio-oil after centrifugation in a hydrodeoxygenation reactor in a chemically reductive atmosphere (e.g.
    Type: Application
    Filed: December 18, 2014
    Publication date: June 23, 2016
    Inventors: Akwasi A. Boateng, Charles A. Mullen, Yaseen M. Elkasabi
  • Publication number: 20160177208
    Abstract: Disclosed are methods of producing calcined coke from bio-oil from a biomass feedstock. Also disclosed are calcined cokes produced by such methods.
    Type: Application
    Filed: December 17, 2015
    Publication date: June 23, 2016
    Inventors: Yaseen M. Elkasabi, Akwasi A. Boateng, Charles A. Mullen
  • Patent number: 8317883
    Abstract: Bio-oil from a feedstock selected from mustard family seeds, mustard family seed presscake, mustard family seed defatted presscake, and mixtures thereof. The bio-oil is produced by a method involving (1) pyrolyzing the feedstock to produce bio-oil, bio-char and non-condensable gases, (2) removing the bio-char from the bio-oil, (3) condensing the bio-oil, and (4) precipitating the bio-oil.
    Type: Grant
    Filed: October 19, 2010
    Date of Patent: November 27, 2012
    Assignee: The United States of America as Represented by the Secretary of Agriculture
    Inventors: Akwasi A. Boateng, Neil M. Goldberg, Peter B. Johnson, Sudhir Seth, Charles A. Mullen, Serin R. Rao
  • Publication number: 20120241305
    Abstract: A pyrolyzer apparatus (i.e. a “cracking pipe”) comprises a first screen, a second screen, and a catalyst material positioned between the first and second screens. The pyrolyzer is structured so that feedstock is pyrolyzed and pyrolyzer-generated gas is drawn through the first screen, through the catalyst material, and then through the second screen in series. The gas may then be directed to other processing equipment so that bio-oil is extracted from the gas.
    Type: Application
    Filed: March 25, 2011
    Publication date: September 27, 2012
    Inventors: Neil M. Goldberg, Michael F. Dallmer, Akwasi A. Boateng, Charles A. Mullen, David J. Mihalcik
  • Publication number: 20100323435
    Abstract: The bio-fuel reactor injection system includes supplementing a biomass feedstock with a feedstock gas so that thermal conditions within the reactor body are optimized. The feedstock gas facilitates the flow of the feedstock through the feedstock injection system and maintains the feedstock below the feedstock's melting point until the feedstock is injected into the reactor body. In the preferred embodiment, the supplemental feedstock gas is nitrogen. The injection system also includes a plurality of screens that form a gas distributor plate. The gas distributor plate at least partially supports a fluidized bed within the reactor body. In the preferred embodiment, the nitrogen-supplemented feedstock is injected into the fluidized bed within the reactor.
    Type: Application
    Filed: June 25, 2010
    Publication date: December 23, 2010
    Inventors: Akwasi A. Boateng, Neil M. Goldberg