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:
May. 20, 2025
Filed:
Jan. 07, 2022
Applicant:
Knauf Gips KG, Iphofen, DE;
Inventors:
Yijun Sang, Oak Park, IL (US);
Suman Sinha Ray, Chicago, IL (US);
Mark Hemphill, Hawthorn Woods, IL (US);
Assignee:
KNAUF GIPS KG, Iphofen, DE;
Primary Examiner:
Int. Cl.
CPC ...
C04B 38/00 (2006.01); B32B 5/02 (2006.01); B32B 5/18 (2006.01); B32B 5/24 (2006.01); B32B 13/02 (2006.01); B32B 15/04 (2006.01); B32B 15/12 (2006.01); B32B 29/00 (2006.01); C04B 14/42 (2006.01); C04B 24/38 (2006.01); C04B 28/14 (2006.01); C04B 38/10 (2006.01); G10K 11/165 (2006.01); G10K 11/168 (2006.01); C04B 111/00 (2006.01);
U.S. Cl.
CPC ...
C04B 38/0058 (2013.01); B32B 5/022 (2013.01); B32B 5/18 (2013.01); B32B 5/245 (2013.01); B32B 13/02 (2013.01); B32B 15/046 (2013.01); B32B 15/12 (2013.01); B32B 29/007 (2013.01); C04B 14/42 (2013.01); C04B 24/38 (2013.01); C04B 28/14 (2013.01); C04B 38/10 (2013.01); G10K 11/165 (2013.01); G10K 11/168 (2013.01); B32B 2262/101 (2013.01); B32B 2266/049 (2016.11); B32B 2266/06 (2013.01); B32B 2307/102 (2013.01); B32B 2419/00 (2013.01); C04B 2111/00629 (2013.01);
Abstract
An open cell set gypsum core includes an interlocking matrix of gypsum having air voids distributed therein. The air voids define cells having cell walls formed by the interlocking matrix. The interlocking matrix further includes channels distributed therein. The channels interconnect the air voids and comprise openings in the cell walls.