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. 03, 2020
Filed:
Mar. 06, 2020
Applicant:
Saint-gobain Placo, Suresnes, FR;
Inventors:
Yann Dion, Livry Gargan, FR;
Katarzyna Chuda, Asnieres sur Seine, FR;
Caroline Demathieu-Roeltgen, Meaux, FR;
Marion Chenal, Montreuil, FR;
Assignee:
SAINT-GOBAIN PLACO, Suresnes, FR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C04B 14/00 (2006.01); C04B 16/00 (2006.01); C04B 28/14 (2006.01); C04B 20/00 (2006.01); C04B 14/02 (2006.01); C04B 111/10 (2006.01); C04B 111/00 (2006.01); E04C 2/04 (2006.01);
U.S. Cl.
CPC ...
C04B 28/14 (2013.01); C04B 14/022 (2013.01); C04B 20/008 (2013.01); C04B 16/00 (2013.01); C04B 2111/00025 (2013.01); C04B 2111/00405 (2013.01); C04B 2111/00612 (2013.01); C04B 2111/1087 (2013.01); E04C 2/043 (2013.01);
Abstract
A plasterboard includes a first layer of plaster and a second layer of plaster, wherein the first layer includes activated carbon; the second layer includes a scavenging agent, wherein a content of scavenging agent in the first layer, expressed as percentage by weight of dry matter, is less than a content of scavenging agent in the second layer, and wherein the second layer is free of activated carbon.