EP 3898550 A1 20211027 - A CEMENTITIOUS COMPOSITION WITH PHOTOCATALYTIC ACTIVITY
Title (en)
A CEMENTITIOUS COMPOSITION WITH PHOTOCATALYTIC ACTIVITY
Title (de)
ZEMENTZUSAMMENSETZUNG MIT PHOTOKATALYTISCHER AKTIVITÄT
Title (fr)
COMPOSITION DE CIMENT À ACTIVITÉ PHOTOCATALYTIQUE
Publication
Application
Priority
- EP 18214192 A 20181219
- EP 2019086060 W 20191218
Abstract (en)
[origin: EP3670469A1] The invention relates to a cementitious composition comprising: - a hydraulic binder; - a photocatalyst consisting of at least an alkaline metal salt of poly(heptazine imide); - an optional aggregate and to a cement product obtainable therefrom, preferably selected from the group consisting of a cement mortar, a cement paste and a cement concrete. The invention also relates to a method for photocatalytically decomposing an air pollutant, preferably the nitrogen oxides (NOx) pollutants, comprising the step of contacting the air pollutant with a cement product according to the invention.
IPC 8 full level
C04B 24/12 (2006.01); B01D 53/86 (2006.01); B01J 35/00 (2006.01); C04B 7/38 (2006.01); C04B 7/48 (2006.01); C04B 28/02 (2006.01)
CPC (source: EP)
B01D 53/8628 (2013.01); B01D 53/8668 (2013.01); C04B 24/128 (2013.01); C04B 28/02 (2013.01); B01D 2255/2027 (2013.01); B01D 2255/70 (2013.01); B01D 2255/802 (2013.01); B01J 35/39 (2024.01); C04B 2111/00827 (2013.01); C04B 2111/2061 (2013.01); C04B 2290/20 (2013.01)
C-Set (source: EP)
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)
EP 3670469 A1 20200624; EP 3898550 A1 20211027; WO 2020127559 A1 20200625
DOCDB simple family (application)
EP 18214192 A 20181219; EP 19820803 A 20191218; EP 2019086060 W 20191218