Patents by Inventor Eriko Miyazawa

Eriko Miyazawa 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).

  • Cleaner for thermostatic water bath
    Patent number: 5368778
    Abstract: A novel cleaner is disclosed, which is added to a reaction thermostat with water as medium in a scientific apparatus, particularly a thermostatic water bath in an automatic analyzer, and has becteria-proof, fungi-proof and algae-proof effects. The cleaner comprises a triazine derivative and a surface active agent. Furthermore, the cleaner preferably contains a compound represented by a formula [I]: ##STR1## wherein R.sup.1, R.sup.2, R.sup.3 and R.sup.4 independently represent a hydrogen atom, a methyl group or a hydroxymethyl group, and n is an integer of 1 to 5.
    Type: Grant
    Filed: January 7, 1992
    Date of Patent: November 29, 1994
    Assignees: Wako Pure Chemical Industries, Ltd., San-Ai Oil Co, Ltd.
    Inventors: Naomasa Shimotomai, Eriko Miyazawa, Takahiro Ueyama
  • Cleaner for thermostatic water bath
    Patent number: 5230811
    Abstract: A novel cleaner is disclosed, which is added to a reaction thermostat with water as medium in a scientific apparatus, particularly a thermostatic water bath in an automatic analyzer, and has bacteria-proof, fungi-proof and algae-proof effects. The cleaner comprises a triazine derivative and a surface active agent. Furthermore, the cleaner preferably contains a compound represented by a formula [I]: ##STR1## wherein R.sup.1, R.sup.2, R.sup.3 and R.sup.4 independently represent a hydrogen atom, a methyl group or a hydroxymethyl group, and n is an integer of 1 to 5.
    Type: Grant
    Filed: April 7, 1992
    Date of Patent: July 27, 1993
    Inventors: Naomasa Shimotomai, Eriko Miyazawa, Takahiro Ueyama