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:
Nov. 22, 2011
Filed:
Jun. 18, 2009
Donald S. Mueller, Ivanhoe, IL (US);
Bangji Cao, Naperville, IL (US);
Weixin D. Song, Vernon Hills, IL (US);
Qing Yu, Libertyville, IL (US);
Donald S. Mueller, Ivanhoe, IL (US);
Bangji Cao, Naperville, IL (US);
Weixin D. Song, Vernon Hills, IL (US);
Qing Yu, Libertyville, IL (US);
USG Interiors, Inc., Chicago, IL (US);
Abstract
A non-woven material, that can be formed into an acoustic ceiling tile, is provided. The material includes a substantially planar and self-supporting core of an inorganic base fiber and a synthetic thermal bonding fiber. The synthetic thermal bonding fiber preferably has an increased bonding surface area that improves adhesion and porosity to provide a base mat or core with a low density to provide sound absorption required by an acoustic ceiling tile.