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:
Oct. 19, 2010
Filed:
Dec. 15, 2006
Applicants:
Gary Lee Hendren, Richmond, VA (US);
Subhotosh Khan, Midlothian, VA (US);
Mikhail R. Levit, Glen Allen, VA (US);
Inventors:
Gary Lee Hendren, Richmond, VA (US);
Subhotosh Khan, Midlothian, VA (US);
Mikhail R. Levit, Glen Allen, VA (US);
Assignee:
E.I. du Pont de Nemours and Company, Wilmington, DE (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B32B 3/12 (2006.01); B29C 73/06 (2006.01);
U.S. Cl.
CPC ...
Abstract
This invention relates to an improved flame retardant honeycomb comprising high modulus fiber and a flame retardant thermoplastic binder having a melt point of from 120° C. to 350° C. and a limiting oxygen index of 26 or greater, methods for making the honeycomb, and articles comprising the honeycomb. In a preferred embodiment the paper in the honeycomb has a flame classification of UL-94 V-0.