Patents by Inventor Oho Suk Jae

Oho Suk Jae 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).

  • Refrigerant composition
    Patent number: 5624595
    Abstract: A non-azeotropic refrigerant composition which can be used in refrigerators originally designed to use a Freon refrigerant without the need of changing the specifications thereof, and which is harmless to men and environment. The refrigerant composition consists essentially of 70 parts by weight of butane (C.sub.4 H.sub.10), 25 parts by weight of ethyl ether (C.sub.2 H.sub.5).sub.2 O, and 5 parts by weight of dimethyl polysiloxane (silicone oil). The refrigerant composition exhibits approximately the same characteristics as those of R-12 and R-134a. Ethylene glycol and propylene glycol may be added thereto.
    Type: Grant
    Filed: January 24, 1996
    Date of Patent: April 29, 1997
    Assignee: Eiichi Sato
    Inventors: Eiichi Sato, Oho Suk Jae