The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Sep. 29, 1987
Filed:
Oct. 09, 1986
Applicant:
Inventors:
Makoto Yoshitake, Tokyo, JP;
Keiichi Kishimoto, Tokyo, JP;
Assignee:
Toray Silicone Co., Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C10M / ;
U.S. Cl.
CPC ...
252 783 ; 252 499 ; 556404 ;
Abstract
A composition for viscous fluid coupling is described. The composition comprises a liquid organopolysiloxane and a reaction product of a liquid organopolysiloxane with an aromatic aminophenol in the presence of a quaternary phosphonium hydroxide. The composition is characterized by a long term stability, undergoing little torque variation even at elevated temperatures and high shear forces.