Obara, Kenjiro; Nakamura, Kazuyuki; Murakami, Yoshio; Soda, Takao; Kanie, Toshihiro; Adaka, Tamio;

Lubricating grease

A lubricating grease exhibits good lubricating performance in a hot and high-vacuum environment, and contains an alkyl substituted tetraphenylether as a base oil having incorporated therein bentonite as a thickener and at least one solid lubricant selected from the group consisting of molybdenum disulfide and tungsten disulfide.

• DVD sleeve Steroid sulphatase inhibitors
• Slidable sun visors for automobiles Self locking nut
• Fiber optic moisture analysis probe Solvent reclamation apparatus
• Memory based line-delay architecture Laser unit
• Locking door handle Tennis racket assembly
• Dietary supplement for medical patients Electrical plug connection
• Encapsulated basketball backboard Endoscope apparatus
• Mine roof bolt anchor Benzamidine derivatives
• Anticounterfeit magnetic metallized labels Percolation process
• Woven textile Operating table
• Apparatus for producing coils Cleaning system having improved agitation
• Molding composition Isoindolenineamide dyestuffs
• Modular floating structure Slidable door structure
• Drill tool for deep wells Removable helicopter mast
• Methods for chromosome-specific staining Air action game
• Resource reservation Centered double universal joint
• 2,2-Difluoro-trans-4,5,13,14-tetrahydro-PGI.sub.1 compounds Solid-state imaging apparatus
• Flow-through media Valve arrangement
• Compressed air dredge Yarn tension control system
• Aspirator tray Flywheel containment device
• Pipe positioner

What is claimed is:

1. A lubricating grease comprising the following ingredients:

(A) 55wt % to 90 wt % of a base oil composed of an alkyl substituted tetraphenylether having 1-4 substituents at least one of which has 6-20 carbon atoms;

(B) 5 wt % to 25 wt % of a bentonite-based thickener;

(C) 5 wt % to 20 wt % of at least one lubricant that is selected from the group consisting of molybdenum disulfide and tungsten disulfide and that has a particle size of 0.1 .mu.m to 20 .mu.m, and (D) up to 5 wt. % of an anti-oxidant.