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:
Sep. 15, 2020
Filed:
May. 01, 2018
Applicant:
United States Gypsum Company, Chicago, IL (US);
Inventor:
Lori Tuttle, Orland Park, IL (US);
Assignee:
UNITED STATES GYPSUM COMPANY, Chicago, IL (US);
Primary Examiner:
Int. Cl.
CPC ...
D21H 11/18 (2006.01); D21H 27/38 (2006.01); E04C 2/04 (2006.01); B32B 13/08 (2006.01); D21H 27/18 (2006.01); D21H 27/30 (2006.01);
U.S. Cl.
CPC ...
D21H 11/18 (2013.01); B32B 13/08 (2013.01); D21H 27/18 (2013.01); D21H 27/30 (2013.01); D21H 27/38 (2013.01); E04C 2/043 (2013.01); B32B 2250/03 (2013.01); B32B 2250/40 (2013.01); B32B 2307/54 (2013.01); B32B 2607/00 (2013.01);
Abstract
A wallboard panel which comprises a paper cover sheet comprising microfibrillated cellulose (MFC). A paper cover sheet comprising MFC. A paper stock composition comprising MFC and methods for making a multi-ply paper cover sheet comprising MFC. Methods for making a wallboard panel comprising a paper cover sheet comprising MFC.