POLYALKYLDIALLYLAMINE-EPIHALOHYDRIN RESINS AS WET STRENGTH ADDITIVES FOR PAPERMAKING AND PROCESS FOR MAKING THE SAME

Details for Australian Patent Application No. 2003202893 (hide)

Owner HERCULES INCORPORATED

Inventors DENG, Fang; GAN, Yaodong

Pub. Number AU-A-2003202893

PCT Number PCT/US03/00258

PCT Pub. Number WO2003/057744

Priority 60/346,475 07.01.02 US

Filing date 6 January 2003

Wipo publication date 24 July 2003

International Classifications

C08F 008/02 Chemical modification by after-treatment

C08F 026/04 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 single or double bond to nitrogen or by a heterocyclic ring containing nitrogen

D21H 017/45 Non-fibrous material added to the pulp, characterised by its constitution

D21H 017/38 Non-fibrous material added to the pulp, characterised by its constitution

Event Publications

10 April 2003 Complete Application Filed

  Priority application(s): 60/346,475 07.01.02 US

4 September 2003 Application Open to Public Inspection

  Published as AU-A-2003202893

23 September 2004 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired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.

Legal

The information provided by the Site not in the nature of legal or other professional advice. The information provided by the Site is derived from third parties and may contain errors. You must make your own enquiries and seek independent advice from the relevant industry professionals before acting or relying on any information contained herein. Check the above data against the Australian Patent Office AUSPAT database.

Next and Previous Patents/Applications

2003202894-TOPICAL TREATMENT FOR CARPET AND TEXTILES AND TOPICALLY TREATED CARPET AND TEXTILE PRODUCTS

2003202892-PURIFICATION AND CHARACTERIZATION OF HLA PROTEINS