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:
Mar. 03, 1981
Filed:
Jun. 28, 1979
Kenneth G Hammond, Poughkeepsie, NY (US);
Harry Chafetz, Poughkeepsie, NY (US);
Texaco Inc., White Plains, NY (US);
Abstract
A quaternary ammonium salt of an ester-lacetone represented by the formula ##STR1## in which w represents 0 or 1, x and y alternately represent 0 and 1, z has value from 0 to 4, R.sup.i, R.sup.ii, R.sup.iii and R.sup.iv, in instances where w is equal to 0, represent hydrogen or akyl radicals at least one of which is a hydrocarbyl radical having from 50-200 carbon atoms; in instances where w is equal to 1 at least one of R.sup.i, R.sup.ii, R.sup.iii, R.sup.iv, R.sup.v or R.sup.vi, represents a hydrocarbyl radical of 50-200 carbon atoms and the remaining substituents are hydrogen or lower alkyl radicals, R is a divalent radical having from 2-10 carbon, or carbon and oxygen atoms, R.sup.vii is hydrogen or a hydrocarbyl radical, and X is an anion is provided, as well as a method of preparation and a hydrocarbon lubricating oil composition containing same.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile