Patents by Inventor Akemi Shimada

Akemi Shimada 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).

  • Ethyl (1R,6S)-2,2,6-trimethylcyclohexanecarboxylate, aroma chemical composition containing the same and process of producing the same
    Patent number: 5288702
    Abstract: Ethyl (1R,6S)-2,2,6-trimethylcyclohexanecarboxylate represented by formula (1) ##STR1## is disclosed. Also, an aroma chemical composition containing the same and a process of the production of the same are disclosed.
    Type: Grant
    Filed: March 26, 1992
    Date of Patent: February 22, 1994
    Assignee: Takasago International Corporation
    Inventors: Miharu Ogura, Hiroyuki Matsuda, Takeshi Yamamoto, Akemi Shimada
  • Propanol derivatives and perfumes containing the same
    Patent number: 5250512
    Abstract: An optically active 3-[6(S)-2,2,6-trimethylcyclohexan-1-yl]propanol derivative represented by formula (I): ##STR1## wherein R.sup.1 represents a lower alkyl group, and a perfume containing the same as an active ingredient are disclosed.
    Type: Grant
    Filed: May 6, 1992
    Date of Patent: October 5, 1993
    Assignee: Takasago International Corporation
    Inventors: Tatsuya Ohmoto, Akemi Shimada, Takeshi Yamamto
  • Perfume composition
    Patent number: 5141921
    Abstract: A perfume composition containing 3-methyl-2-hexenoic acid and/or 7-octenoic acid is disclosed. The perfume composition has a fresh and natural animal note and excellent diffusibility and tastiness. The perfume composition produces psychological effects on humans, such as an awakening effect and/or a sedative effect.
    Type: Grant
    Filed: April 11, 1991
    Date of Patent: August 25, 1992
    Assignee: Takasago International Corporation
    Inventors: Kiyohito Sawano, Kenya Ishida, Akemi Shimada
  • Propanol derivatives and perfumes containing the same
    Patent number: RE37159
    Abstract: An optically active 3-[6(S)-2,2,6-trimethylcyclohexan-1-yl]propanol derivative represented by formula (I): wherein R1 represents a lower alkyl group, and a perfume containing the same as an active ingredient are disclosed.
    Type: Grant
    Filed: July 8, 1998
    Date of Patent: May 1, 2001
    Assignee: Takasago International Corporation
    Inventors: Tatsuya Ohmoto, Akemi Shimada, Takeshi Yamamoto