Anti-sagging gypsum product and a method to manufacture

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United States of America Patent

PATENT NO 10793472
APP PUB NO 20150011138A1
SERIAL NO

14379730

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Abstract

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The present invention provides a composition, a gypsum board and their preparation method and the use of ascorbic acid as an anti-sagging additive in a gypsum board. Said gypsum board comprises set gypsum prepared from the composition; while said composition comprises hemi-hydrate gypsum, water and a compound comprising

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Patent Owner(s)

Patent OwnerAddress
SAINT-GOBAIN PLACOTOUR SAINT-GOBAIN 12 PLACE DE L'IRIS 92400 COURBEVOIE FRANCE

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Gao, Xiaotong Shanghai, CN 5 4
Li, Huifen Shanghai, CN 7 24
Song, Hao Shanghai, CN 92 455
Zhang, Ke Shanghai, CN 364 1936

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