Polymer compositions, polymer microfibers, polymer nanofibers and applications including filter structure

Details for Australian Patent Application No. 2001284771 (hide)

Owner Donaldson Company, Inc.

Inventors Chung, Hoo Y.; Crofoot, Douglas G.; Gogins, Mark A.; Weik, Thomas M.; Hall, John R. B.

Agent Freehills

Pub. Number AU-B-2001284771

PCT Pub. Number WO02/20668

Priority 60/230,138 05.09.00 US; 09/871,583 31.05.01 US

Filing date 9 August 2001

Wipo publication date 22 March 2002

Acceptance publication date 7 December 2006

International Classifications

C08L 57/00 (2006.01) Compositions of unspecified polymers obtained by reactions only involving carbon-to-carbon unsaturated bonds

B01D 39/16 (2006.01) Filtering material for liquid or gaseous fluids - of organic material, e.g. synthetic fibres

B01D 46/02 (2006.01) Filters or filtering processes specially modified for separating dispersed particles from gases or vapours - Particle separators, e.g. dust precipitators, having hollow filters made of flexible material

B01D 46/24 (2006.01) Filters or filtering processes specially modified for separating dispersed particles from gases or vapours - Particle separators, e.g. dust precipitators, using rigid hollow filter bodies

B01D 46/52 (2006.01) Filters or filtering processes specially modified for separating dispersed particles from gases or vapours - Particle separators, e.g. dust precipitators, using filters embodying folded material

C08K 5/13 (2006.01) Use of organic ingredients

C08L 27/00 (2006.01) Compositions of 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 halogen

C08L 29/04 (2006.01) Compositions of 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 an alcohol, ether, aldehydo, ketonic, acetal, or ketal radical

D01D 5/00 (2006.01) Formation of filaments, threads, or the like

D01F 6/80 (2006.01) Monocomponent artificial filaments or the like of synthetic polymers

D01F 6/90 (2006.01) Monocomponent artificial filaments or the like of synthetic polymers

D01F 6/92 (2006.01) Monocomponent artificial filaments or the like of synthetic polymers - of polyesters

D04H 3/02 (2006.01) Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length - characterised by the method of forming fleeces or layers, e.g. reorientation of yarns or filaments

C08L 65/00 (2006.01)

C08L 77/00 (2006.01) Compositions of polyamides obtained by reactions forming a carboxylic amide link in the main chain

Event Publications

7 December 2006 Application Accepted

  Published as AU-B-2001284771

15 February 2007 Application for Amendment

  The nature of the amendment is as shown in the statement(s) filed 18 Jan 2007. Address for service in Australia - Freehills Patent & Trade Mark Attorneys GPO Box 128 Melbourne VIC 3000

31 May 2007 Standard Patent Sealed

12 July 2007 Amendment Made

  The nature of the amendment is as shown in the statement(s) filed 18 Jan 2007 2002

10 March 2011 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired

  This patent ceased under section 143(a), or Expired. Note that applications or patents shown as lapsed or ceased may be restored at a later date.

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