Production of colourless, transparent or opaque coloured plexiglas. blocks from a prepolymer that is devoid of residual initiators by thermal polymerisation

Details for Australian Patent Application No. 2004291222 (hide)

Owner Rohm GmbH & Co. KG

Inventors Schafer, Frank; Klossek, Bernd; Kabs, Klaus; Jakob, Karl-Heinz

Agent Spruson & Ferguson

Pub. Number AU-A-2004291222

PCT Pub. Number WO2005/049666

Priority 103 49 544.4 22.10.03 DE

Filing date 15 September 2004

Wipo publication date 2 June 2005

International Classifications

C08F 20/14 (2006.01) Homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical or a salt, anhydride, ester, amide, imide, or nitrile thereof

B29D 7/00 (2006.01) Producing flat articles, e.g. films or sheets

C08F 2/38 (2006.01) Processes - Polymerisation using regulators, e.g. chain terminating agents

C08F 4/34 (2006.01) Polymerisation catalysts

C08F 220/14 (2006.01) Copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical or a salt, anhydride, ester, amide, imide, or nitrile thereof

C08F 265/06 (2006.01) Macromolecular compounds obtained by polymerising monomers on to polymers of unsaturated monocarboxylic acids or derivatives thereof as defined in group

Event Publications

9 March 2006 PCT application entered the National Phase

  PCT publication WO2005/049666 Priority application(s): WO2005/049666

8 April 2010 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired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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