Patents by Inventor Masao SUNAHARA

Masao SUNAHARA 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).

  • Deodorizing material, method for producing the same, deodorization method, and deodorizing sheet
    Patent number: 12048914
    Abstract: There is provided a deodorizing material having particularly high deodorization capabilities for ammonia, acetaldehyde, and toluene. The deodorizing material of the present invention comprises fibrous activated carbon; and (A) an aromatic amine and a sulfate of the aromatic amine or (B) an aromatic amine, a sulfate of the aromatic amine, and sulfuric acid, supported on the fibrous activated carbon, wherein a total substance amount of the aromatic amine and the sulfate of the aromatic amine supported per gram of the fibrous activated carbon is 0.85 to 1.
    Type: Grant
    Filed: March 30, 2018
    Date of Patent: July 30, 2024
    Assignee: UNITIKA LTD.
    Inventors: Masao Sunahara, Hiroki Fujiki
  • Deodorizing Material, Method for Producing the Same, Deodorization Method, and Deodorizing Sheet
    Publication number: 20210039067
    Abstract: There is provided a deodorizing material having particularly high deodorization capabilities for ammonia, acetaldehyde, and toluene. The deodorizing material of the present invention comprises fibrous activated carbon; and (A) an aromatic amine and a sulfate of the aromatic amine or (B) an aromatic amine, a sulfate of the aromatic amine, and sulfuric acid, supported on the fibrous activated carbon, wherein a total substance amount of the aromatic amine and the sulfate of the aromatic amine supported per gram of the fibrous activated carbon is 0.85 to 1.
    Type: Application
    Filed: March 30, 2018
    Publication date: February 11, 2021
    Inventors: Masao SUNAHARA, Hiroki FUJIKI