Patents Assigned to Daiichi Pharmaceutical Col, Ltd.
  • Patent number: 6410557
    Abstract: Novel dry skin remedies useful for treatment dry skin, containing as the active ingredient spiro [oxathiolane-quinuclidine] derivatives represented by general formula (I) or acid addition salts thereof, desirably cis-2-methylspiro [1,3-oxathiolane-5,3′-quinuclidine] hydrochloride. The remedies promote the secretion of sebaceous and sweat glands through oral or parenteral administration to treat dry skin, thus being useful as drugs.
    Type: Grant
    Filed: July 5, 2001
    Date of Patent: June 25, 2002
    Assignee: Daiichi Pharmaceutical Col, Ltd.
    Inventors: Keiji Hayashi, Hirohiko Arisawa, Hiroaki Masunaga