Patents by Inventor Uchida Keiichi

Uchida Keiichi 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).

  • 7-fluoroprostaglandins and process for their production
    Patent number: 4822909
    Abstract: 7-Fluoroprostaglandins represented by the following formula (I): ##STR1## In the formula (I), R.sup.1 is a hydrogen atom or an alkyl group having from 1 to 10 carbon atoms, R.sup.2, R.sup.3 and R.sup.4 are hydrogen atoms or the same or different protective groups, respectively, and R.sup.5 is a straight chained, branched or cyclic alkyl group having from 3 to 7 carbon atoms.
    Type: Grant
    Filed: June 9, 1987
    Date of Patent: April 18, 1989
    Assignee: Asashi Glass Company Ltd.
    Inventors: Yasuda Arata, Kato Masao, Yamabe Masaaki, Uchida Keiichi
  • 7-fluoroprostaglandins and process for their production
    Patent number: 4699989
    Abstract: 7-Fluoroprostaglandins represented by the following formula (I): ##STR1## In the formula (I), R.sup.1 is a hydrogen atom or an alkyl group having from 1 to 10 carbon atoms, R.sup.2, R.sup.3 and R.sup.4 are hydrogen atoms or the same or different protective groups, respectively, and R.sup.5 is a straight chained, branched or cyclic alkyl group having from 3 to 7 carbon atoms.
    Type: Grant
    Filed: February 11, 1985
    Date of Patent: October 13, 1987
    Assignee: Asahi Glass Company Ltd.
    Inventors: Yasuda Arata, Kato Masao, Yamabe Masaaki, Uchida Keiichi