[12] Patent
[11] Patent No.:GC0011496  
[45] Date of Publishing the Grant of the Patent: 30/Nov /2020                76/2020  
Number of the Decision to Grant the Patent:2020/175221
Date of the Decision to Grant the Patent:22/Nov/2020

[21] Application No.:GC 2017-33047

[22] Filing Date:13/3/2017

[30] Priority:

[33] State [32] Priority date [31] Priority No.

[72] Inventors:1- DION Yann،2- CHUDA Katarzyna،3- DEMATHIEU-ROELTGEN Caroline،4- CHENAL Marion

[73] Owner: SAINT-GOBAIN PLACO, 34 Avenue Franklin Roosevelt, Suresnes 92150 , France

[74] Agent: Saba & Co. T.M.P




Int. Cl.: C04B 28/14 (2006.01)

[56] Cited Documents:

-WO 2012147618 A1 (Yu Fujita, Sawamura Kenichi, Aizawa Masanobu) 1 November 2012
-WO 2016027713 A1 (Katsuhiro Tokura, Ichikawa Makiko, Kenji Tanishima) 25 February 2016
Examiner: Eng. Ebrahim AlQurashi

[57] Abstract: The present invention relates to a plasterboard comprising a first layer of plaster and a second layer of plaster, characterized in that the first layer comprises activated carbon; the second layer comprises a fixing agent; the content of fixing agent in the first layer, expressed as percentage by weight of dry matter, is less than the content of fixing agent in the second layer; and the second layer is devoid of activated carbon.
No. of claims: 15     No. of figures: 1


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