Oxygen-containing Hetero Ring (e.g., Allyl Glycidyl Ether, Etc.) Patents (Class 508/304)
Chalcogen double bonded directly to a ring carbon of the hetero ring which is adjacent to a ring oxygen (e.g., lactones, etc.) (Class 508/305)
The hetero ring contains at least five ring members (e.g., 1,3-dioxane, furan, etc.) (Class 508/307)
  • Nonaqueous emulsified surface treating agent composition
    Patent number: 5637142
    Abstract: A surface treating agent composition of fluorine-containing-oil-in-hydrocarbon-containing-oil type emulsion prepared by emulsifying a liquid fluorine-containing oil and a liquid hydrocarbon-containing oil by using a polymeric surfactant having a fluorine-containing segment and a hydrocarbon-containing segment in a molecule has excellent long-term stability.
    Type: Grant
    Filed: May 11, 1995
    Date of Patent: June 10, 1997
    Assignee: Daikin Industries, Ltd.
    Inventors: Motonobu Kubo, Masamichi Morita, Masayuki Yamana, Eiji Sakamoto, Ikuo Yamamoto
  • Acetal-containing working fluid composition for refrigerating machine
    Patent number: 5575944
    Abstract: The working fluid composition for refrigerating machine of the present invention includes a refrigeration oil and a hydrofluorocarbon, the refrigeration oil including a compound having one or more acetal groups in a molecule and also having trihydric to octahydric alcohol residues as a base oil.
    Type: Grant
    Filed: February 28, 1995
    Date of Patent: November 19, 1996
    Assignee: KAO Corporation
    Inventors: Hiroki Sawada, Hiroyasu Togashi
  • Refrigeration apparatus containing lubricant composition
    Patent number: 5553465
    Abstract: A lubricant composition comprising as a base oil one or more ester oils, alkylbenzene oils and mineral oils, and a glycidyl ether compound having at least two epoxy groups is miscible in hydrofluorocarbon and hydrochlorofluorocarbon refrigerants such as R134a, etc. as replacing refrigerants of R12 and provides a stable operation of refrigeration compressor for a long period of time without causing corrosion and wear of a sliding portion of the compressor.
    Type: Grant
    Filed: October 13, 1994
    Date of Patent: September 10, 1996
    Assignee: Hitachi, Ltd.
    Inventors: Katsumi Fukuda, Tadashi IIzuka, Reishi Naka, Hiroaki Hata, Masahiko Gommori, Yoshiharu Homma