E - Fixed Constructions – 04 – C
Patent
E - Fixed Constructions
04
C
E04C 2/04 (2006.01) D21H 19/42 (2006.01)
Patent
CA 2572123
The invention concerns a gypsum plasterboard comprising at least a covering paper forming the outside of the plasterboard and a coating slip deposited on said covering paper. The invention is characterized in that the coating slip comprises plastic pigments as whitening agent. The invention also concerns gypsum plasterboards and a coating slip for gypsum plasterboard paper.
L~invention concerne une plaque de plâtre comportant au moins un papier de parement formant l~extérieur de la plaque et une sauce de couchage déposée sur ledit papier de parement, caractérisée en ce que la sauce de couchage comprend des pigments plastiques en tant qu~agent de blanchiment. Plaques de plâtre et sauce de couchage pour papier de plaques de plâtre.
Blake Cassels & Graydon Llp
Lafarge Platres
LandOfFree
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