Patents Assigned to Balbis Co., Ltd.
  • Bearing lubricant composition
    Patent number: 9157044
    Abstract: A bearing lubricant composition includes a base oil containing an ester compound (?) represent by the general formula (1), and has a pour point of ?30° C. or lower and a viscosity index of 150 or more. [wherein, A1 is a C3-8 linear or branched alkylene group; and at least one of Xa and Xb is a C2-20 linear or branched alkyl ether group, or when it is not an alkyl ether group, it is a C5-13 linear or branched alkyl group.
    Type: Grant
    Filed: September 28, 2012
    Date of Patent: October 13, 2015
    Assignees: BALBIS CO., LTD., SATO SPECIAL OIL CO., LTD., KNC LABORATORIES CO., LTD.
    Inventor: Akihiro Oda
  • COMPONENT FOR USE IN A BEARING DEVICE AND A METHOD FOR FORMING A LUBRICANT LAYER
    Publication number: 20140212080
    Abstract: A component for use in a bearing device according to one embodiment of the present invention includes a lubricant layer on a surface of the component. Here, the lubricant layer contains a rod-like ionic liquid crystal compound having a cation group and an anion group.
    Type: Application
    Filed: January 17, 2014
    Publication date: July 31, 2014
    Applicants: Samsung Electro-Mechanics Japan Advanced Technolog Co., Ltd., BALBIS Co., LTD, University of Yamanashi
    Inventors: Mitsuo KODAMA, Yuichiro HARAMOTO, Hiroyuki ANZAI
  • BEARING LUBRICANT COMPOSITION
    Publication number: 20130096042
    Abstract: A bearing lubricant composition includes a base oil containing an ester compound (?) represent by the general formula (1), and has a pour point of ?30° C. or lower and a viscosity index of 150 or more. [wherein, A1 is a C3-8 linear or branched alkylene group; and at least one of Xa and Xb is a C2-20 linear or branched alkyl ether group, or when it is not an alkyl ether group, it is a C5-13 linear or branched alkyl group.
    Type: Application
    Filed: September 28, 2012
    Publication date: April 18, 2013
    Applicants: BALBIS CO., LTD., KNC LABORATORIES., LTD., Sato Special Oil Co., Ltd.
    Inventors: BALBIS CO., LTD, Sato Special Oil Co., Ltd., KNC LABORATORIES CO., LTD.
  • Lubricant additive, lubricant composition and grease composition
    Patent number: 8207098
    Abstract: A lubricant additive comprising a rod-like liquid crystal compound possessing a cation group and an anion is disclosed. The rod-like liquid crystal compound is typically a specific type of 4-(1,3-diox-2-yl)pyridinium salt and exhibits an effect of reducing the coefficient of friction if added in a small amount. A lubricant composition and a grease composition comprising the lubricant additive are also disclosed.
    Type: Grant
    Filed: September 10, 2007
    Date of Patent: June 26, 2012
    Assignees: Yamanashi University, Balbis Co., Ltd., Nippon Chemical Industrial Co., Ltd.
    Inventor: Yuichiro Haramoto
  • BEARING LUBRICANT, BEARING AND DISK DRIVE DEVICE
    Publication number: 20110109995
    Abstract: A bearing lubricant includes a base oil containing an ester compound consisting of 2-ethyl-2-methyl-1,3-propanediol and at least one of carboxylic acids having 5 to 12 carbon atoms, the ester compound being represented by the following formula (1), in which the base oil has a kinetic viscosity at approximately 40° C. of approximately 7 to 15 mPa, and has a pour point of approximately ?60° C. or less: where R1 and R2 represent hydrocarbon groups having 4 to 11 carbon atoms.
    Type: Application
    Filed: November 10, 2009
    Publication date: May 12, 2011
    Applicants: ALPHANA TECHNOLOGY CO., LTD., BALBIS CO., LTD.
    Inventors: Mitsuo KODAMA, Takuji YAMADA, Hiroyuki ANZAI
  • LUBRICANT ADDITIVE, LUBRICANT COMPOSITION AND GREASE COMPOSITION
    Publication number: 20090239773
    Abstract: A lubricant additive comprising a rod-like liquid crystal compound possessing a cation group and an anion is disclosed. The rod-like liquid crystal compound is typically a specific type of 4-(1,3-diox-2-yl)pyridinium salt and exhibits an effect of reducing the coefficient of friction if added in a small amount. A lubricant composition and a grease composition comprising the lubricant additive are also disclosed.
    Type: Application
    Filed: September 10, 2007
    Publication date: September 24, 2009
    Applicants: Yamanashi University, Balbis Co., Ltd., Nippon Chemical Industrial Co., Ltd.
    Inventor: Yuichiro Haramoto