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. 06, 1979
Filed:
Sep. 09, 1977
Robert E Karll, Batavia, IL (US);
Richard J Lee, Downers Grove, IL (US);
Standard Oil Company (Indiana), Chicago, IL (US);
Abstract
Disclosed are processes for making certain compositions, the compositions and lubricating oils containing certain compositions. Disclosed are a substituted phenol comprising the reaction product of an alkyl phenol, said alkyl substituent containing about 50 to about 20,000 carbon atoms, and an aliphatic unsaturated carboxylic acid containing about 3 to about 100 carbon atoms; and a process for the manufacture of said substituted phenol. Also disclosed are oil soluble Mannich reaction products of said substituted phenol, an amine having at least one reactive nitrogen, and a formaldehyde affording reactant; and a process for the manufacture of said Mannich product. Also disclosed is a lubricating oil composition containing said Mannich reaction product.