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:
Oct. 06, 1998
Filed:
Sep. 08, 1997
Applicant:
Inventors:
Douglas C Rhubright, Chardon, OH (US);
James D Burrington, Mayfield Village, OH (US);
Ping Y Zhu, Willoughby Hills, OH (US);
Assignee:
The Lubrizol Corporation, Wickliffe, OH (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07D / ;
U.S. Cl.
CPC ...
548447 ; 544102 ; 544347 ; 544 35 ; 548101 ; 548445 ; 548446 ; 548447 ; 564409 ; 502117 ;
Abstract
Aliphatic hydrocarbyl-substituted aromatic amines are prepared by reacting an aromatic amine and an aliphatic hydrocarbylating agent, such as an olefin, in the presence of a heteropolyacid catalyst such as Cs.sub.2.5 H.sub.0.5 PW.sub.12 O.sub.40, for a period of time and at a temperature sufficient to permit reaction.
Rhubright, Douglas. (1998). Alkylation of aromatic amines using a heterpoly catalyst (U.S. Patent No. 5817831). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5817831
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile