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:
Jul. 12, 2005
Filed:
Dec. 05, 2000
Karl J. Duyck, Waterbury, CT (US);
Theodore E. Nalesnik, Hopewell Junction, NY (US);
Karl J. Duyck, Waterbury, CT (US);
Theodore E. Nalesnik, Hopewell Junction, NY (US);
Uniroyal Chemical Company, Inc., Middlebury, CT (US);
Abstract
A composition of matter is disclosed wherein the composition comprises an N-aromatic substituted acid amide compound selected from the group consisting of compounds of formula (I) wherein A and B are independently selected alkylene groups; Ris selected from the group consisting of hydrogen, alkyl, alkylether, or ester; Ris hydrogen if Ris hydrogen; Ris an alkyl primary amine if Ris alkyl, alkylether, or ester; Rand Rare independently selected from the group consisting of hydrogen and alkyl; Ris a sterically hindered phenolic group of formula (II) or formula (III) wherein X is CH, S, NH, or O; and m, n, and p are independently selected integers equal to 0 or 1. These compositions may be used as such or they may be bound to a polymer backbone via a linking moiety. In either case, they are useful as antioxidants, particularly in lubricating oil compositions