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.

• Room temperature curable organopolysiloxane compositions Slidable door structure
• Folding chair Subsea wellhead apparatus
• Electric lamp Hand winch
• Link encryption device Voltage dividing resistor device
• Air action game Razor cartridge with shaving aid
• Semiconductor pressure sensor Electroplating process
• Object-oriented interface for an index Device for forming underground pipelines
• Chip resistor System for processing information
• Valve apparatus Antibiotic TAN-420
• Electrical connector System for dispensing aprons
• Universal ink jet drafting film Yarn tension control system
• Woven textile Non-overlapping spherical three-dimensional coil
• Drill tool for deep wells Tropone-substituted phenyloxazolidinone antibacterial agents
• Swab dispenser with fluid reservoir Golf training device
• Beverage package Portable sandwich preparation apparatus
• Dietary supplement for medical patients Barbless fishhook
• Air powered rocket sled game Medical alert alarm
• Systems and methods for cleaning 2,2-Difluoro-trans-4,5,13,14-tetrahydro-PGI.sub.1 compounds
• Development system Piezoelectric speaker
• Melody bird instrument Mechanical therapeutic apparatus
• Attractant composition for synanthropic flies Hydrostatic transmission control system
• Gas assisted liquid atomizer Power converting
• Thermal transfer sheet Radio propagation model calibration software
• Water tapping fixture Large round bale handling apparatus

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.