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:
Feb. 13, 1990
Filed:
May. 23, 1989
Applicant:
Inventors:
Raymond H Thomas, Amherst, NY (US);
Hillel Magid, Buffalo, NY (US);
David P Wilson, Williamsville, NY (US);
John W Pelava, Buffalo, NY (US);
Assignee:
Allied-Signal Inc., Morris Township, Morris County, NJ (US);
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C01M / ;
U.S. Cl.
CPC ...
252 54 ; 252 / ; 252 58 ; 252 68 ;
Abstract
The present invention provides a lubricating composition. The composition comprises a single phase blend of (i) at least one polyoxyalkylene glycol which has a molecular weight between 300 and 2000, a viscosity of about 10-157 centistokes at 37.degree. C., and a viscosity index of at least 20 and (ii) a chlorotrifluoroethylene oil having a viscosity of about 0.8-1000 centistokes at 25.degree. C. The blend is miscible in combination with the tetrafluoroethane in the range between 0.degree. C. and at least +5.degree. C.