Patents Assigned to Agency of Industrial Science & Technology MITI
  • Stimuli-responsive polymer utilizing keto-enol tautomerization and stimuli-responsive separating material and chemical-releasing capsule comprising the same
    Patent number: 7732550
    Abstract: A stimuli-responsive polymer derivative utilizing keto-enol tautomerization. Also disclosed are a simple process for producing an N-acyl(meth)acrylamide derivative which can be used as a monomer for the stimuli-responsive polymer, a process for the production of an intermediate thereof, and an intermediate thus produced.
    Type: Grant
    Filed: June 18, 2004
    Date of Patent: June 8, 2010
    Assignees: Agency of Industrial Science & Technology MITI, Chisso Corporation
    Inventors: Noriyuki Ohnishi, Kazumi Aoshima, Kazunori Kataoka, Katsuhiko Ueno
  • Stimuli-responsive polymer utilizing keto-enol tautomerization and stimuli-responsive separating material and chemical-releasing capsule comprising the same
    Patent number: 6858694
    Abstract: A stimuli-responsive polymer derivative utilizing keto-enol tautomerization. Also disclosed are a simple process for producing an N-acyl(meth)acrylamide derivative which can be used as a monomer for the stimuli-responsive polymer, a process for the production of an intermediate thereof, and an intermediate thus produced.
    Type: Grant
    Filed: June 18, 2004
    Date of Patent: February 22, 2005
    Assignees: Agency of Industrial Science and Technology MITI, Japan Chemical Innovation Institute
    Inventors: Noriyuki Ohnishi, Kazumi Aoshima, Kazunori Kataoka, Katsuhiko Ueno
  • Stimuli-responsive polymer utilizing keto-enol tautomerization and stimuli-responsive separating material and chemical-releasing capsule comprising the same
    Patent number: 6852819
    Abstract: A stimuli-responsive polymer derivative utilizing keto-enol tautomerization. Also disclosed are a simple process for producing an N-acyl(meth)acrylamide derivative which can be used as a monomer for the stimuli-responsive polymer, a process for the production of an intermediate thereof, and an intermediate thus produced.
    Type: Grant
    Filed: June 25, 2002
    Date of Patent: February 8, 2005
    Assignees: Agency of Industrial Science & Technology MITI, Japan Chemical Innovation Institute
    Inventors: Noriyuki Ohnishi, Kazumi Aoshima, Kazunori Kataoka, Katsuhiko Ueno
  • Lead oxide-coated electrode for use in electrolysis and process for producing the same
    Patent number: 4822459
    Abstract: A lead oxide-coated electrode for use in electrolysis is disclosed, which comprises a primary layer comprising platinum and/or platinum oxide, an intermediate layer comprising .alpha.-PbO.sub.2, and a coating layer comprising .beta.-PbO.sub.2 successively coated on a substrate comprising a corrosion resistant metal. The electrode has a strong and durable lead oxide coating firmly bonded to the substrate, does not suffer from passivation, resistance increase, etc. and can be used stably for a long time at high current density. A process for producing the electrode is also disclosed.
    Type: Grant
    Filed: August 31, 1987
    Date of Patent: April 18, 1989
    Assignees: Agency of Industrial Science and Technology (MITI), Permelec Lectrode Ltd.
    Inventors: Minoru Ueda, Akio Watanabe, Takayuki Shimamune