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. 31, 1998
Filed:
Dec. 17, 1996
Applicant:
Inventor:
Ping Y Zhu, Willoughby Hills, OH (US);
Assignee:
The Lubrizol Corporation, Wickliffe, OH (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07C / ;
U.S. Cl.
CPC ...
564409 ;
Abstract
An improved method for making alkylated aromatic amines is disclosed. The method includes a new alkylating catalyst system comprising an aromatic amine alkylating catalyst and a non-catalyst solid such as silica. The method results in faster reaction rates and higher yields of alkylated aromatic amines.
Zhu, Ping. (1998). Synthesis of alkylated aromatic amines (U.S. Patent No. 5734084). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5734084
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile