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. 10, 1990
Filed:
Jun. 12, 1989
Applicant:
Inventor:
Robert N DePriest, Columbia, SC (US);
Assignee:
Ethyl Corporation, Richmond, VA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07D / ; C07C / ;
U.S. Cl.
CPC ...
549434 ; 568649 ; 568663 ; 568656 ; 568779 ; 568765 ;
Abstract
Electron-rich aromatic compounds are selectively brominated in good yield in the presence of water using potassium tribromide as the brominating agent. In this way monobromination is favored and dibromination is suppressed as compared to the use of elemental bromine as the brominating agent.