Patents by Inventor Eliahu Shamah

Eliahu Shamah has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Railway lubricating oil
    Patent number: 4131551
    Abstract: An improved lubricant composition comprises (A) a lubricant mineral oil base, (B) a Mannich condensation reaction product comprising the reaction product of an alkyl phenol, a polyamine and formaldehyde, (C) an alkaline earth metal salt of a Mannich condensation reaction product comprising the reaction product of alkyl phenol, formaldehyde and a polyamine, (D) an alkylbenzene alkaline earth metal sulfonate of low total base number, and (E) the alkaline earth metal salts of a bis-alkylphenol sulfide, (F) chlorinated paraffin, and (G) dimethyl siloxane polymer.
    Type: Grant
    Filed: August 15, 1977
    Date of Patent: December 26, 1978
    Assignee: Standard Oil Company
    Inventors: Jerry L. Thompson, Sigmund S. Deluga, James W. Harnach, Eliahu Shamah