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. 13, 1990
Filed:
Mar. 09, 1987
Applicant:
Inventors:
Horst Hartmann, Boehl-Iggelheim, DE;
Waldhelm Hochstein, Freinsheim, DE;
Gerd Kaibel, Lampertheim, DE;
Franz-Josef Mueller, Wachenheim, DE;
Assignee:
BASF Aktiengesellschaft, Ludwigshafen, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07C / ; C07C / ; C07C / ; C07C / ;
U.S. Cl.
CPC ...
560248 ; 560232 ; 562517 ; 562519 ; 562608 ; 562891 ; 562898 ; 568485 ; 568487 ; 568492 ; 568594 ; 568902 ; 568909 ; 568913 ;
Abstract
Organic iodine compounds are separated from carbonylation products of methanol, methyl acetate and dimethyl ether and from mixtures of such carbonylation products by a process wherein the iodine compounds are removed by liquid phase extraction with a non-aromatic hydrocarbon.