PROCESS FOR THE PREPARATION OF A COPOLYMER OF MALEIC ANHYDRIDE AND AN ALKYL VINYL ETHER, COPOLYMERS OF MALEIC ANHYDRIDE AND AN ALKYL VINYL ETHER AND AN APPARATUS

Details for Australian Patent Application No. 2003206253 (hide)

Owner DSM N.V.

Inventors VAN BENTHEM, Rudolfus, Antonius, Theodorus, Maria; FRIEDERICHS, Joseph, Petronella; MOREAU, Dominique, Jean, Joseph, Sophie

Pub. Number AU-A-2003206253

PCT Number PCT/NL03/00044

PCT Pub. Number WO2003/064482

Priority 02075333.1 28.01.02 EP

Filing date 22 January 2003

Wipo publication date 2 September 2003

International Classifications

C08F 022/00 Homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a carboxyl radical and containing at least one other carboxyl radical in the molecule

Event Publications

17 July 2003 Complete Application Filed

  Priority application(s): 02075333.1 28.01.02 EP

18 September 2003 Application Open to Public Inspection

  Published as AU-A-2003206253

14 October 2004 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired

  This application lapsed under section 142(2)(f)/See Reg. 8.3(3). Examination has not yet been requested or directed for this application. Note that applications or patents shown as lapsed or ceased may be restored at a later date.

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