Global Patent Index - EP 4003931 A1

EP 4003931 A1 20220601 - GYPSUM COMPOSITIONS

Title (en)

GYPSUM COMPOSITIONS

Title (de)

GIPSZUSAMMENSETZUNGEN

Title (fr)

COMPOSITIONS DE GYPSE

Publication

EP 4003931 A1 20220601 (EN)

Application

EP 20746576 A 20200717

Priority

  • IT 201900012597 A 20190722
  • EP 2020070357 W 20200717

Abstract (en)

[origin: WO2021013751A1] The present invention relates to gypsum compositions comprising an alkyl hydrogenpolysiloxane and a depolymerized carboxymethyl cellulose and to a method for producing waterproof gypsum products, which comprises the use of said gypsum compositions.

IPC 8 full level

C04B 24/38 (2006.01); C04B 28/14 (2006.01); C04B 40/00 (2006.01)

CPC (source: EP)

C04B 24/383 (2013.01); C04B 28/14 (2013.01); C04B 40/0039 (2013.01); C04B 2111/27 (2013.01)

Citation (search report)

See references of WO 2021013751A1

Designated contracting state (EPC)

AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

Designated extension state (EPC)

BA ME

DOCDB simple family (publication)

WO 2021013751 A1 20210128; EP 4003931 A1 20220601; IT 201900012597 A1 20210122

DOCDB simple family (application)

EP 2020070357 W 20200717; EP 20746576 A 20200717; IT 201900012597 A 20190722