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:
Jun. 28, 1988
Filed:
May. 12, 1987
Applicant:
Inventors:
Rastko I Mamuzic, West Lafayette, IN (US);
Bhabatosh Bhattacharya, Lafayette, IN (US);
Assignee:
Great Lakes Chemical Corporation, West Lafayette, IN (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07C / ;
U.S. Cl.
CPC ...
560 78 ; 560 79 ; 560 83 ; 560 99 ; 562485 ; 562487 ;
Abstract
Bis(2-ethyl-1-hexyl) tetrabromophthalate produced by the reaction of tetrabromophthalic anhydride with 2-ethyl-1-hexanol in the presence of titanium isopropoxide catalyst may be purified by contacting the reaction mixture with sodium carbonate decahydrate with agitation for a time and at a temperature sufficient to enhance product quality, followed by isolation of bis(2-ethyl-1-hexyl) tetrabromophthalate.