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:
Aug. 20, 2013
Filed:
Dec. 08, 2011
Neville Everton Drysdale, Newark, DE (US);
Fredrik Nederberg, Greenville, DE (US);
Neville Everton Drysdale, Newark, DE (US);
Fredrik Nederberg, Greenville, DE (US);
E I du Pont de Nemours and Company, Wilmington, DE (US);
Abstract
The composition of a (phosphonyl) aromatic compound represented by is provided. In this composition, R(a) and R(b) are each independently H, CH, phenyl or benzyl; R(a) and R(b) are each independently H, CH, phenyl or benzyl with the proviso that no more than one Rand no more than one Rcan be phenyl or benzyl; R(a) and R(b) are each independently CH, phenyl or benzyl; and, n is an integer of 1-10; and p is an integer of 1-10. The disclosed composition can find utility in improving flame retardancy of polyesters, aramids and nylons.