Inventor
HANDA TOYOKAZU
JP3 patents
Patents
3 patentsUS6261474B1Jul 17, 2001
Lubricating oil for compression-type refrigerators containing pentafluoroethane and a polyvinyl ether
IDEMITSU KOSAN CO55 citations94
US6248256B1Jun 19, 2001
Lubricating oil composition for refrigerators and method for lubrication with the composition
IDEMITSU KOSAN CO17 citations90
US6495062B2Dec 17, 2002
Lubricating oil composition for refrigerators and method for lubrication with the composition
IDEMITSU KOSAN CO3 citations60