Title: Preparation of concrete accelerator
Inventor : Hofmann, Thomas
Patent submitter: Construction Research & Technology GmbH
Issue Date: 27-Feb-2008
Language : English
Subjects : Concrete accelerator
Subject (DDC) : 540: Chemistry
Abstract: An alkali-free accelerator for sprayed concrete is prepared by dissolving aluminium sulphate in water and amorphous aluminium hydroxide in water optionally containing amine, and optionally adding at least one stabiliser, selected from hydroxycarboxylic acids and phosphoric acids and non-alkaline salts thereof, and at least one defoaming agent.; An alkali-free accelerator for sprayed concrete is prepared by dissolving aluminium sulphate and amorphous aluminium hydroxide in water which optionally contains one amine, and optionally adding at least one stabiliser, selected from hydroxycarboxylic acids and phosphoric acids and non-alkaline salts thereof, and at least one defoaming agent.
Further description : Also published as: EP1237827 (B1), EP1237827 (B2), AP1364 (A), AT240913 (T), AU2671901 (A), BR0016261 (A), BR0016261 (B1), CA2393458 (A1), CA2393458 (C), CN100363290 (C), CN1407954 (A), CO5200817 (A1), CR6670 (A), CZ304227 (B6), DE60002918 (T2), DE60002918 (T3), ES2199894 (T3), ES2199894 (T5), HRP20020519 (A2), HRP20020519 (B1), HU0204379 (A2), HU223748 (B1), JP2003516303 (A), MXPA02005709 (A), NO20022662 (L), NZ519441 (A), PL205689 (B1), PL355533 (A1), PT1237827 (E), SK287541 (B6), SK9772002 (A3), UA72288 (C2), US2002195026 (A1), US6692564 (B2), WO0142165 (A2), WO0142165 (A3), YU52502 (A), ZA200204826 (B)
Departement: Life Sciences and Facility Management
Organisational Unit: Institute of Facility Management (IFM)
Publication type: Patent
Patentnumber : EP1237827
metadata.zhaw.publication.code: B2
URI: https://register.epo.org/application?number=EP00989948
https://digitalcollection.zhaw.ch/handle/11475/17038
Appears in Collections:Patente Life Sciences und Facility Management

Files in This Item:
There are no files associated with this item.


Items in DSpace are protected by copyright, with all rights reserved, unless otherwise indicated.