Patents Assigned to AMSA, Inc.
  • Process for preparing DTEA HCl
    Patent number: 10662151
    Abstract: The present invention provides an improved process for preparing DTEA HCl from decene and cysteamine HCl by using a catalyst, solvent and a co-solvent to aid the reaction and provide low temperature stabilization of the resulting product solution.
    Type: Grant
    Filed: December 27, 2018
    Date of Patent: May 26, 2020
    Assignee: AMSA, Inc.
    Inventors: Anthony P Haag, Pulikkottil Jacob Thomas
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    Patent number: D878000
    Type: Grant
    Filed: June 12, 2018
    Date of Patent: March 10, 2020
    Assignee: AMSA, Inc.
    Inventors: Ivor Michel Walter, Wilson Zeng, Jeroen Engel
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    Patent number: RE47970
    Type: Grant
    Filed: December 8, 2017
    Date of Patent: May 5, 2020
    Assignee: AMSA, INC.
    Inventors: Ivor Michel Walter, Paul Jensen, Ning Siu Sin, Stefan Berkower, Jonathan Peot
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    Patent number: D893823
    Type: Grant
    Filed: November 21, 2017
    Date of Patent: August 18, 2020
    Assignee: AMSA, INC.
    Inventors: Ivor Michel Walter, Paul Jensen, Wilson Zeng
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    Patent number: D907322
    Type: Grant
    Filed: January 29, 2018
    Date of Patent: January 5, 2021
    Assignee: AMSA, INC.
    Inventors: Ivor Michel Walter, Wilson Zeng, Jeroen Engel, Brett Pardikes
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    Patent number: D907876
    Type: Grant
    Filed: October 8, 2019
    Date of Patent: January 12, 2021
    Assignee: AMSA, INC.
    Inventors: Ivor Michel Walter, Wilson Zeng, Jeroen Engel, Brett Pardikes
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    Patent number: D911655
    Type: Grant
    Filed: March 23, 2019
    Date of Patent: February 23, 2021
    Assignee: AMSA, INC.
    Inventors: Ivor Michel Walter, Wilson Zeng, Brett Pardikes
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    Patent number: D917820
    Type: Grant
    Filed: December 7, 2018
    Date of Patent: April 27, 2021
    Assignee: AMSA, INC.
    Inventors: Ivor Michel Walter, Wilson Zeng, Brett Pardikes
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    Patent number: D935727
    Type: Grant
    Filed: August 20, 2018
    Date of Patent: November 9, 2021
    Assignee: AMSA, INC.
    Inventors: Ivor Michel Walter, Wilson Zeng, Brett Pardikes
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    Patent number: D940425
    Type: Grant
    Filed: October 21, 2019
    Date of Patent: January 4, 2022
    Assignee: AMSA, INC.
    Inventors: Ivor Michel Walter, Paul Jensen, Wilson Zeng
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    Patent number: D953679
    Type: Grant
    Filed: February 21, 2020
    Date of Patent: May 31, 2022
    Assignee: AMSA, INC.
    Inventors: Ivor Michel Walter, Wilson Zeng, Brett Pardikes
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    Patent number: D957782
    Type: Grant
    Filed: September 9, 2020
    Date of Patent: July 12, 2022
    Assignee: AMSA, INC.
    Inventors: Ivor Michel Walter, Wilson Zeng, Jeroen Engel, Brett Pardikes
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    Patent number: D958639
    Type: Grant
    Filed: April 16, 2020
    Date of Patent: July 26, 2022
    Assignee: amsa, iNC.
    Inventors: Ivor Michel Walter, Wilson Zeng, Brett Pardikes
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    Patent number: D965942
    Type: Grant
    Filed: October 17, 2018
    Date of Patent: October 4, 2022
    Assignee: AMSA, INC.
    Inventors: Ivor Michel Walter, Wilson Zeng, Brett Pardikes
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    Patent number: D969439
    Type: Grant
    Filed: November 17, 2021
    Date of Patent: November 8, 2022
    Assignee: AMSA, INC.
    Inventors: Ivor Michel Walter, Wilson Zeng, Brett Pardikes
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    Patent number: D969440
    Type: Grant
    Filed: November 17, 2021
    Date of Patent: November 8, 2022
    Assignee: AMSA, INC.
    Inventors: Ivor Michel Walter, Wilson Zeng, Brett Pardikes
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    Patent number: D1001408
    Type: Grant
    Filed: August 30, 2022
    Date of Patent: October 10, 2023
    Assignee: AMSA, INC.
    Inventors: Ivor Michel Walter, Wilson Zeng, Brett Pardikes
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    Patent number: D1088392
    Type: Grant
    Filed: July 10, 2023
    Date of Patent: August 12, 2025
    Assignee: AMSA, Inc.
    Inventors: Ivor Michel Walter, Wilson Zeng
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    Patent number: D1097435
    Type: Grant
    Filed: November 11, 2021
    Date of Patent: October 7, 2025
    Assignee: AMSA, Inc.
    Inventors: Ivor Michel Walter, Wilson Zeng
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    Patent number: D1124568
    Type: Grant
    Filed: August 28, 2023
    Date of Patent: April 28, 2026
    Assignee: AMSA, Inc.
    Inventors: Ivor Michel Walter, Wilson Zeng, Brett Pardikes