Additives containing cellulose derivatives having gel-like rheological properties, use thereof in construction material systems and also a process for cement extrusion using these additives

Details for Australian Patent Application No. 2004203848 (hide)

Owner Wolff Cellulosics GmbH & Co. KG

Inventors Not Given

Agent Davies Collison Cave

Pub. Number AU-A-2004203848

Priority 10337011.0 12.08.03 DE

Filing date 10 August 2004

Wipo publication date 3 March 2005

International Classifications

C08B 011/00 Preparation of cellulose ethers

B28B 021/52 Methods, apparatus, or machines, specially adapted for the production of tubular or reinforced articles

C04B 024/38 Use of organic materials as active ingredients for mortars, concrete or artificial stone, e.g. plasticisers

Event Publications

26 August 2004 Complete Application Filed

  Priority application(s): 10337011.0 12.08.03 DE

3 March 2005 Application Open to Public Inspection

  Published as AU-A-2004203848

10 January 2008 Alteration of Name

  The name of the applicant has been altered to Dow Wolff Cellulosics GmbH

18 June 2009 Assignment before Grant

  Dow Wolff Cellulosics GmbH The application has been assigned to Dow Global Technologies, Inc.

16 July 2009 Corrigenda

  Assignments Before Grant, Section 113 - 2004 Under the name Dow Wolff Cellulosics GmbH, Application No. 2004203848, under INID (71) correct the name to read Dow Global Technologies Inc.

11 March 2010 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired

  This application lapsed under section 142(2)(d). Examination has been requested or an examination report has issued for this application. Note that applications or patents shown as lapsed or ceased may be restored at a later date.

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