Patents by Inventor Tetsuo H. Onami

Tetsuo H. Onami 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).

  • Optically active derivatives of gycidol
    Patent number: 5332843
    Abstract: Optically active derivatives of glycidol are disclosed. These novel compounds, (2S) and (2R) glycidyl m-nitrobenzenesulfonate and (2S) and (2R) glycidyl p-chlorobenzenesulfonate can be readily crystallized to high enantiomeric purity. Their use in other synthesis reactions is also described.
    Type: Grant
    Filed: July 21, 1992
    Date of Patent: July 26, 1994
    Assignee: Massachusetts Institute of Technology
    Inventors: Karl B. Sharpless, Tetsuo H. Onami
  • Optically active derivatives of glycidol
    Patent number: 5153338
    Abstract: Optically active derivatives of glycidol are disclosed. These novel compounds, (2S) and (2R) glycidyl m-nitrobenzenesulfonate and (2S) and (2R) glycidyl p-chlorobenzenesulfonate can be readily crystallized to high enantiomeric purity. Their use in other synthesis reactions is also described.
    Type: Grant
    Filed: August 3, 1990
    Date of Patent: October 6, 1992
    Assignee: Massachusetts Institute of Technology
    Inventors: Karl B. Sharpless, Tetsuo H. Onami
  • Optically active derivatives of glycidol
    Patent number: 4946974
    Abstract: Optically active derivatives of glycidol are disclosed. These compounds, (2S) and (2R) glycidyl tosylate and (2S) and (2R) glycidyl 4-chloro-3-nitrobenzenesulfonate can be readily crystallized to high enantiomeric purity. Their use in other synthesis reactions is also described.
    Type: Grant
    Filed: October 1, 1986
    Date of Patent: August 7, 1990
    Assignee: Massachusetts Institute of Technology
    Inventors: Karl B. Sharpless, Janice M. Klunder, Tetsuo H. Onami