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:
May. 24, 1977
Filed:
May. 12, 1975
John C Nnadi, Glassboro, NJ (US);
Israel Joel Heilweil, Princeton, NJ (US);
Mobil Oil Corporation, New York, NY (US);
Abstract
As a new class of multifunctional additives, for imparting dispersancy and viscosity improving properties to lubricant compositions, ether-linked polymers having the structure: ##STR1## in which: A and B may be the same, i.e., B=A or different substituents and are individually selected from the group consisting of hydrogen, alkyl, alkenyl, aryl, hydroxy and amino derivatives thereof, carboxy, alkyl carboxy, hydroxy, phosphono, phosphato, sulfonato, mercapto and a nitrogen-containing group having a chain length from 1 to 500 carbon atoms, x, y and z are zero or a whole number and at least one of x and y is a whole number, and C is ##STR2##