Patents by Inventor Decio R. Silva, Jr.

Decio R. Silva, Jr. 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).

  • Patent number: 11871744
    Abstract: A synergistic disinfectant composition comprises a C1-8 organic acid, an amino acid based surfactant, an anionic surfactant, and a stabilizing agent. The C1-8 organic acid may include two or more types of the C1-8 organic acids with at least one of the C1-8 organic acids is alpha hydroxyl acid. The disinfectant composition has an antimicrobial activity of log reduction of at least 2 under Biocidal Product Registration (BPR) standard EN13727, EN1276, EN13624 or EN1499, and/or the EPA standard that applies the “Quantitative Methods for Evaluating the Activity of Microbicides used on Hard, Non-Porous Surface” issued by the Organisation for Economic Co-operation and Development (OECD). In addition, the disinfectant composition may be stable during storage and retain their antimicrobial activity after at least one month at 40° C. When desired, the synergistic disinfectant composition may further comprise an oxidizing agent.
    Type: Grant
    Filed: November 1, 2022
    Date of Patent: January 16, 2024
    Assignee: Diversey, Inc.
    Inventors: Farida H. Tinwala, Xiaobao Li, Decio R. Silva, Jr., Yogaraj Nabar, Arnoud Ubald Maria Gengler
  • Patent number: 11758906
    Abstract: A synergistic disinfectant composition comprises a C1-8 organic acid, an amino acid based surfactant, an anionic surfactant, and a stabilizing agent. The C1-8 organic acid may include two or more types of the C1-8 organic acids with at least one of the C1-8 organic acids is alpha hydroxyl acid. The disinfectant composition has an antimicrobial activity of log reduction of at least 2 under Biocidal Product Registration (BPR) standard EN13727, EN1276, EN13624 or EN1499, and/or the EPA standard that applies the “Quantitative Methods for Evaluating the Activity of Microbicides used on Hard, Non-Porous Surface” issued by the Organisation for Economic Co-operation and Development (OECD). In addition, the disinfectant composition may be stable during storage and retain their antimicrobial activity after at least one month at 40° C. When desired, the synergistic disinfectant composition may further comprise an oxidizing agent.
    Type: Grant
    Filed: April 6, 2022
    Date of Patent: September 19, 2023
    Assignee: Diversey, Inc.
    Inventors: Farida H. Tinwala, Xiaobao Li, Decio R. Silva, Jr., Yogaraj Nabar, Arnoud Ubald Maria Gengler
  • Publication number: 20230082677
    Abstract: A synergistic disinfectant composition comprises a C1-8 organic acid, an amino acid based surfactant, an anionic surfactant, and a stabilizing agent. The C1-8 organic acid may include two or more types of the C1-8 organic acids with at least one of the C1-8 organic acids is alpha hydroxyl acid. The disinfectant composition has an antimicrobial activity of log reduction of at least 2 under Biocidal Product Registration (BPR) standard EN13727, EN1276, EN13624 or EN1499, and/or the EPA standard that applies the “Quantitative Methods for Evaluating the Activity of Microbicides used on Hard, Non-Porous Surface” issued by the Organisation for Economic Co-operation and Development (OECD). In addition, the disinfectant composition may be stable during storage and retain their antimicrobial activity after at least one month at 40° C. When desired, the synergistic disinfectant composition may further comprise an oxidizing agent.
    Type: Application
    Filed: November 1, 2022
    Publication date: March 16, 2023
    Inventors: Farida H. Tinwala, Xiaobao Li, Decio R. Silva, JR., Yogaraj Nabar, Arnoud Ubald Maria Gengler
  • Publication number: 20220225614
    Abstract: A synergistic disinfectant composition comprises a C1-8 organic acid, an amino acid based surfactant, an anionic surfactant, and a stabilizing agent. The C1-8 organic acid may include two or more types of the C1-8 organic acids with at least one of the C1-8 organic acids is alpha hydroxyl acid. The disinfectant composition has an antimicrobial activity of log reduction of at least 2 under Biocidal Product Registration (BPR) standard EN13727, EN1276, EN13624 or EN1499, and/or the EPA standard that applies the “Quantitative Methods for Evaluating the Activity of Microbicides used on Hard, Non-Porous Surface” issued by the Organisation for Economic Co-operation and Development (OECD). In addition, the disinfectant composition may be stable during storage and retain their antimicrobial activity after at least one month at 40° C. When desired, the synergistic disinfectant composition may further comprise an oxidizing agent.
    Type: Application
    Filed: April 6, 2022
    Publication date: July 21, 2022
    Inventors: Farida H. Tinwala, Xiaobao Li, Decio R. Silva, JR., Yogaraj Nabar, Arnoud Ubald Maria Gengler
  • Patent number: 11330819
    Abstract: A synergistic disinfectant composition comprises a C1-8 organic acid, an amino acid based surfactant, an anionic surfactant, and a stabilizing agent. The C1-8 organic acid may include two or more types of the C1-8 organic acids with at least one of the C1-8 organic acids is alpha hydroxyl acid. The disinfectant composition has an antimicrobial activity of log reduction of at least 2 under Biocidal Product Registration (BPR) standard EN13727, EN1276, EN13624 or EN1499, and/or the EPA standard that applies the “Quantitative Methods for Evaluating the Activity of Microbicides used on Hard, Non-Porous Surface” issued by the Organisation for Economic Co-operation and Development (OECD). In addition, the disinfectant composition may be stable during storage and retain their antimicrobial activity after at least one month at 40° C. When desired, the synergistic disinfectant composition may further comprise an oxidizing agent.
    Type: Grant
    Filed: December 13, 2019
    Date of Patent: May 17, 2022
    Assignee: Diversey, Inc.
    Inventors: Farida H. Tinwala, Xiaobao Li, Decio R. Silva, Jr., Yogaraj Nabar, Arnoud Ubald Maria Gengler
  • Publication number: 20200345005
    Abstract: A synergistic disinfectant composition comprises a C1-8 organic acid, an amino acid based surfactant, an anionic surfactant, and a stabilizing agent. The C1-8 organic acid may include two or more types of the C1-8 organic acids with at least one of the C1-8 organic acids is alpha hydroxyl acid. The disinfectant composition has an antimicrobial activity of log reduction of at least 2 under Biocidal Product Registration (BPR) standard EN13727, EN1276, EN13624 or EN1499, and/or the EPA standard that applies the “Quantitative Methods for Evaluating the Activity of Microbicides used on Hard, Non-Porous Surface” issued by the Organisation for Economic Co-operation and Development (OECD). In addition, the disinfectant composition may be stable during storage and retain their antimicrobial activity after at least one month at 40° C. When desired, the synergistic disinfectant composition may further comprise an oxidizing agent.
    Type: Application
    Filed: December 13, 2019
    Publication date: November 5, 2020
    Applicant: Diversey, Inc.
    Inventors: Farida H. Tinwala, Xiaobao Li, Decio R. Silva, Jr., Yogaraj Nabar, Arnoud Ubald Maria Gengler