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:
Nov. 19, 2002
Filed:
Feb. 07, 2002
Applicant:
Inventors:
Nam H. Tran, Pasadena, TX (US);
Joseph N. Christopher, League City, TX (US);
Timothy J. Michalec, Needville, TX (US);
Assignee:
Akzo Nobel NV, Arnhem, NL;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07F 5/06 ;
U.S. Cl.
CPC ...
C07F 5/06 ;
Abstract
Organometallic compounds, as exemplified by trimethylaluminum, can be purified by recrystallization from a solvent by cooling. The organometallic compound is first dissolved in a solvent forming a solution and the purified organometallic compound is then recrystallized, under cooling conditions, from the solvent.