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. 17, 2012
Filed:
Oct. 22, 2010
Applicants:
Larry D. Timberlake, West Lafayette, IN (US);
James D. Siebecker, West Lafayette, IN (US);
Inventors:
Larry D. Timberlake, West Lafayette, IN (US);
James D. Siebecker, West Lafayette, IN (US);
Assignee:
Chemtura Corporation, Middlebury, CT (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C09K 21/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
A halogenated aryl ether oligomer is formed by halogenation of an aryl ether oligomer and is useful as a flame retardant for flammable macromolecular materials. Typically, the halogenated aryl ether oligomer comprises the following repeating monomeric units: wherein R is hydrogen or alkyl, especially Cto Calkyl, Hal is halogen, m is at least 1, n is 0 to 3 and x is at least 2.