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. 26, 1978
Filed:
May. 24, 1977
Applicant:
Inventors:
Teruyuki Sato, Kyoto, JP;
Kunio Kawakatsu, Kyoto, JP;
Assignee:
Sanyo Chemical Industries, Ltd., Kyoto, JP;
Primary Examiner:
Int. Cl.
CPC ...
C10M / ; C10M / ;
U.S. Cl.
CPC ...
252 781 ;
Abstract
Hydraulic fluid compositions having a high boiling point and a boron content of 0.2 to 1.6% by weight are formed from (a) a reaction product of (i) a polyalkylene glycol monoalkyl ether, (ii) a polyalkylene glycol or (iii) a polyoxyalkylene mono- or poly- ol having a molecular weight of 1000 to 5000, with (iv) a boron compound; (b) a polyalkylene glycol monoalkyl ether; (c) a polyalkylene glycol and (d) a polyoxyalkylene mono- or poly- ol having a molecular weight of 1000 to 5000.