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:
Apr. 21, 2015
Filed:
Mar. 28, 2011
Applicants:
Qiang Yao, Baton Rouge, LA (US);
Junzuo Wang, Little Rock, AR (US);
Arthur G. Mack, Prairieville, LA (US);
Inventors:
Qiang Yao, Baton Rouge, LA (US);
Junzuo Wang, Little Rock, AR (US);
Arthur G. Mack, Prairieville, LA (US);
Assignee:
Albemarle Corporation, Baton Rouge, LA (US);
Primary Examiner:
Int. Cl.
CPC ...
C08K 5/53 (2006.01); C07F 9/6571 (2006.01); C08K 5/5313 (2006.01);
U.S. Cl.
CPC ...
C07F 9/657172 (2013.01); C08K 5/5313 (2013.01);
Abstract
This invention relates to a process for producing compounds derived from 9,10-Dihydro-9-Oxa-10-Phosphaphenantrene-10-oxide (DOPO). In particular, the invention relates to producing DOPO-derived compounds by reacting DOPO with diol compounds in the presence of a catalyst. This invention also relates to DOPO derived composition containing a high melting point diastereomer. The DOPO derived compounds may be useful as flame-retardants.