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.

Date of Patent:
Jan. 24, 2012

Filed:

Dec. 13, 2010
Applicants:

Bangji Cao, Naperville, IL (US);

Gregory Palm, Beavercreek, OH (US);

Weixin D. Song, Lake Forest, IL (US);

Inventors:

Bangji Cao, Naperville, IL (US);

Gregory Palm, Beavercreek, OH (US);

Weixin D. Song, Lake Forest, IL (US);

Assignee:

USG Interiors, Inc., Chicago, IL (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E04B 1/82 (2006.01);
U.S. Cl.
CPC ...
Abstract

An acoustical building panel and method of manufacturing it are disclosed. Embodiments of the panel include a porous nonwoven scrim, a coating deposited on the scrim, a base mat, and an adhesive deposited on either the base mat or the scrim in a discrete form such as in droplets. Embodiments of the method of manufacture include steps of perforating the base mat, applying the adhesive to the base mat in the discrete form, laminating the scrim onto the base mat, and applying the coating to the scrim surface.


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