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. 07, 2000
Filed:
Aug. 06, 1999
Applicant:
Inventor:
Lloyd Berg, Bozeman, MT (US);
Assignee:
Other;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01D / ; C07C / ;
U.S. Cl.
CPC ...
203 57 ; 203 59 ; 203 60 ; 585864 ; 585833 ; 585860 ; 585863 ; 585866 ;
Abstract
Mesitylene cannot be separated from 4-ethyl toluene by distillation because of the proximity of their boiling points. They are readily separated by azeotropic distillation. Effective agents are isopropyl palmitate, triacetin and methyl salicylate.