WO2001061803A3 - Codopant polymers for efficient optical amplification - Google Patents

Codopant polymers for efficient optical amplification Download PDF

Info

Publication number
WO2001061803A3
WO2001061803A3 PCT/US2001/004875 US0104875W WO0161803A3 WO 2001061803 A3 WO2001061803 A3 WO 2001061803A3 US 0104875 W US0104875 W US 0104875W WO 0161803 A3 WO0161803 A3 WO 0161803A3
Authority
WO
WIPO (PCT)
Prior art keywords
codopant
polymers
optical amplification
efficient optical
polymer
Prior art date
Application number
PCT/US2001/004875
Other languages
French (fr)
Other versions
WO2001061803A2 (en
Inventor
Robert A Norwood
Anthony F Garito
Anna Panackal
Original Assignee
Photon X Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from US09/507,582 external-priority patent/US6292292B1/en
Application filed by Photon X Inc filed Critical Photon X Inc
Priority to AU2001238324A priority Critical patent/AU2001238324A1/en
Priority to CA002400380A priority patent/CA2400380A1/en
Priority to EP01910750A priority patent/EP1258058A2/en
Priority to JP2001560490A priority patent/JP2003523458A/en
Publication of WO2001061803A2 publication Critical patent/WO2001061803A2/en
Publication of WO2001061803A3 publication Critical patent/WO2001061803A3/en

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C03GLASS; MINERAL OR SLAG WOOL
    • C03CCHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
    • C03C13/00Fibre or filament compositions
    • C03C13/04Fibre optics, e.g. core and clad fibre compositions
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08GMACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G79/00Macromolecular compounds obtained by reactions forming a linkage containing atoms other than silicon, sulfur, nitrogen, oxygen, and carbon with or without the latter elements in the main chain of the macromolecule
    • C08G79/02Macromolecular compounds obtained by reactions forming a linkage containing atoms other than silicon, sulfur, nitrogen, oxygen, and carbon with or without the latter elements in the main chain of the macromolecule a linkage containing phosphorus
    • C08G79/04Phosphorus linked to oxygen or to oxygen and carbon
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L85/00Compositions of macromolecular compounds obtained by reactions forming a linkage in the main chain of the macromolecule containing atoms other than silicon, sulfur, nitrogen, oxygen and carbon; Compositions of derivatives of such polymers
    • C08L85/02Compositions of macromolecular compounds obtained by reactions forming a linkage in the main chain of the macromolecule containing atoms other than silicon, sulfur, nitrogen, oxygen and carbon; Compositions of derivatives of such polymers containing phosphorus
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01SDEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
    • H01S3/00Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range
    • H01S3/05Construction or shape of optical resonators; Accommodation of active medium therein; Shape of active medium
    • H01S3/06Construction or shape of active medium
    • H01S3/063Waveguide lasers, i.e. whereby the dimensions of the waveguide are of the order of the light wavelength
    • H01S3/067Fibre lasers
    • H01S3/06708Constructional details of the fibre, e.g. compositions, cross-section, shape or tapering
    • H01S3/06716Fibre compositions or doping with active elements
    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/02Optical fibres with cladding with or without a coating
    • G02B6/02033Core or cladding made from organic material, e.g. polymeric material
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01SDEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
    • H01S3/00Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range
    • H01S3/14Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range characterised by the material used as the active medium
    • H01S3/16Solid materials
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01SDEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
    • H01S3/00Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range
    • H01S3/14Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range characterised by the material used as the active medium
    • H01S3/16Solid materials
    • H01S3/1601Solid materials characterised by an active (lasing) ion
    • H01S3/1603Solid materials characterised by an active (lasing) ion rare earth
    • H01S3/1618Solid materials characterised by an active (lasing) ion rare earth ytterbium
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01SDEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
    • H01S3/00Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range
    • H01S3/14Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range characterised by the material used as the active medium
    • H01S3/16Solid materials
    • H01S3/1691Solid materials characterised by additives / sensitisers / promoters as further dopants
    • H01S3/1698Solid materials characterised by additives / sensitisers / promoters as further dopants rare earth
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01SDEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
    • H01S3/00Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range
    • H01S3/14Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range characterised by the material used as the active medium
    • H01S3/16Solid materials
    • H01S3/17Solid materials amorphous, e.g. glass
    • H01S3/178Solid materials amorphous, e.g. glass plastic

Abstract

In accordance with the invention, the present invention provides for a polymer comprised of a general composition. The polymer has a first rare earth element, a second rare earth element, one of the elements of Group VIA, one of the elements of Group VA, a first fully halogenated organic group, a second fully halogenated organic group. A method of manufacturing the polymer is also disclosed.
PCT/US2001/004875 2000-02-18 2001-02-16 Codopant polymers for efficient optical amplification WO2001061803A2 (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
AU2001238324A AU2001238324A1 (en) 2000-02-18 2001-02-16 Codopant polymers for efficient optical amplification
CA002400380A CA2400380A1 (en) 2000-02-18 2001-02-16 Codopant polymers for efficient optical amplification
EP01910750A EP1258058A2 (en) 2000-02-18 2001-02-16 Codopant polymers for efficient optical amplification
JP2001560490A JP2003523458A (en) 2000-02-18 2001-02-16 Co-dopant polymers for efficient optical amplification

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US09/507,582 US6292292B1 (en) 2000-02-18 2000-02-18 Rare earth polymers, optical amplifiers and optical fibers
US09/507,582 2000-02-18
US09/722,821 2000-11-28
US09/722,821 US6538805B1 (en) 1999-02-19 2000-11-28 Codopant polymers for efficient optical amplification

Publications (2)

Publication Number Publication Date
WO2001061803A2 WO2001061803A2 (en) 2001-08-23
WO2001061803A3 true WO2001061803A3 (en) 2002-01-31

Family

ID=27055899

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2001/004875 WO2001061803A2 (en) 2000-02-18 2001-02-16 Codopant polymers for efficient optical amplification

Country Status (7)

Country Link
US (2) US6538805B1 (en)
EP (1) EP1258058A2 (en)
JP (1) JP2003523458A (en)
CN (1) CN1401149A (en)
AU (1) AU2001238324A1 (en)
CA (1) CA2400380A1 (en)
WO (1) WO2001061803A2 (en)

Families Citing this family (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20040201000A1 (en) * 1999-02-19 2004-10-14 Photon-X, Inc. Polymer blends for optical amplification
US6538805B1 (en) * 1999-02-19 2003-03-25 Photon-X, Inc. Codopant polymers for efficient optical amplification
EP1241744A1 (en) * 2001-03-12 2002-09-18 Alcatel Double-clad optical fiber and fiber amplifier
US20020186949A1 (en) * 2001-06-08 2002-12-12 Photon-X, Inc. Integrated rare earth doped optical waveguide amplifier array
US20030099424A1 (en) * 2001-08-24 2003-05-29 Yousef Mohajer Optical gain media and methods for making and using same
JP2005503583A (en) 2001-09-14 2005-02-03 フォトン−エックス インコーポレイテッド Athermal polymer optical waveguide on polymer substrate
US20030202770A1 (en) * 2002-01-03 2003-10-30 Garito Anthony F. Optical waveguide amplifiers
EP1327903A1 (en) * 2002-01-14 2003-07-16 Alcatel Waveguide optical phase shifter
US6875561B2 (en) * 2002-05-03 2005-04-05 Hon Hai Precision Ind. Co., Ltd. Method for making polymer-based rare earth-doped waveguide
US7412121B2 (en) * 2002-10-24 2008-08-12 Applied Research And Photonics, Inc. Nanophotonic integrated circuit and fabrication thereof
TWI263811B (en) * 2002-11-08 2006-10-11 Hon Hai Prec Ind Co Ltd Polymer-based waveguide device and method for manufacturing same
US7623908B2 (en) 2003-01-24 2009-11-24 The Board Of Trustees Of The University Of Illinois Nonlinear interferometric vibrational imaging
US7610074B2 (en) * 2004-01-08 2009-10-27 The Board Of Trustees Of The University Of Illinois Multi-functional plasmon-resonant contrast agents for optical coherence tomography
US7180656B2 (en) * 2004-04-07 2007-02-20 Avago Technologies Fiber Ip (Singapore) Pte. Ltd. Compact optical amplifier
JP4731485B2 (en) 2004-07-05 2011-07-27 株式会社Kri Organic inorganic composite
US7826133B2 (en) * 2005-01-11 2010-11-02 City University Of Hong Kong Doped polymeric optical waveguide amplifiers
US7586618B2 (en) * 2005-02-28 2009-09-08 The Board Of Trustees Of The University Of Illinois Distinguishing non-resonant four-wave-mixing noise in coherent stokes and anti-stokes Raman scattering
US7725169B2 (en) * 2005-04-15 2010-05-25 The Board Of Trustees Of The University Of Illinois Contrast enhanced spectroscopic optical coherence tomography
US7787129B2 (en) 2006-01-31 2010-08-31 The Board Of Trustees Of The University Of Illinois Method and apparatus for measurement of optical properties in tissue
US9834660B2 (en) * 2007-06-28 2017-12-05 Honeywell International Inc. Rare earth metal complexes that excite in the long UV wavelength range
US7751057B2 (en) 2008-01-18 2010-07-06 The Board Of Trustees Of The University Of Illinois Magnetomotive optical coherence tomography
US8115934B2 (en) 2008-01-18 2012-02-14 The Board Of Trustees Of The University Of Illinois Device and method for imaging the ear using optical coherence tomography
US8983580B2 (en) * 2008-01-18 2015-03-17 The Board Of Trustees Of The University Of Illinois Low-coherence interferometry and optical coherence tomography for image-guided surgical treatment of solid tumors
JP5217714B2 (en) * 2008-07-15 2013-06-19 日立化成株式会社 Method for producing optical doping material-containing varnish and optical waveguide amplifier using varnish obtained therefrom
DE102013011081A1 (en) 2013-07-03 2015-01-08 Merck Patent Gmbh Rare earth bis (perfluoroalkyl) phosphinates as Lewis acid catalysts

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4962995A (en) * 1989-06-16 1990-10-16 Gte Laboratories Incorporated Glasses for high efficiency erbium (3+) optical fiber lasers, amplifiers, and superluminescent sources
US5338607A (en) * 1992-01-20 1994-08-16 Central Glass Company, Limited 1.3 micrometer-band amplifying optical fiber preform
EP0775673A1 (en) * 1995-11-21 1997-05-28 Sumita Optical Glass, Inc. A fluorophosphate fluorescent glass capable of exhibiting fluorescence in the visible region
EP0989693A1 (en) * 1998-09-22 2000-03-29 PIRELLI CAVI E SISTEMI S.p.A. Optical amplification system including an Erbium-Ytterbium co-doped fiber

Family Cites Families (34)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2346155A (en) 1942-02-23 1944-04-11 Standard Oil Co Compounded oil
US3197436A (en) 1962-03-16 1965-07-27 Pennsalt Chemicals Corp Coordination polymers
US4037172A (en) 1963-09-17 1977-07-19 American Standard, Inc. Plastic laser materials
US3275574A (en) 1964-07-15 1966-09-27 Pennsalt Chemicals Corp Coordination polymers involving doubly bridged trivalent octahedral metals
US3432532A (en) 1965-08-13 1969-03-11 Pennsalt Chemicals Corp Halo-chromium salts of acids of phosphorus and their esters
US3997853A (en) 1974-11-29 1976-12-14 Allied Chemical Corporation Chromium-doped beryllium aluminate lasers
USRE31057E (en) 1974-11-29 1982-10-12 Allied Chemical Corporation Chromium-doped beryllium aluminate lasers
DE2717916C3 (en) 1977-04-22 1980-06-12 Jenaer Glaswerk Schott & Gen., 6500 Mainz Glasses with a small non-linear refractive index, especially for laser technology
US4139342A (en) 1977-07-18 1979-02-13 Hughes Aircraft Company Dye impregnated plastics for laser applications
US4272733A (en) 1978-10-20 1981-06-09 Allied Chemical Corporation Broadly tunable chromium-doped beryllium aluminate lasers and operation thereof
JPS59116149A (en) 1982-12-23 1984-07-04 Kokusai Denshin Denwa Co Ltd <Kdd> Optical fiber for infrared rays and its manufacture
US4780877A (en) 1985-07-26 1988-10-25 Polaroid Corporation Optical fiber laser
US4811349A (en) 1988-03-31 1989-03-07 The United States Of America As Represented By The United States Department Of Energy Cr3+ -doped colquiriite solid state laser material
US4860295A (en) 1988-12-12 1989-08-22 The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration Cladding for transverse-pumped solid-state laser
US5032315A (en) 1989-04-03 1991-07-16 Schott Glass Technologies, Inc. Phosphate glass useful in high power lasers
US5005175A (en) 1989-11-27 1991-04-02 At&T Bell Laboratories Erbium-doped fiber amplifier
DE4022090A1 (en) 1989-12-18 1991-06-20 Forschungszentrum Juelich Gmbh ELECTRO-OPTICAL COMPONENT AND METHOD FOR THE PRODUCTION THEREOF
US5210631A (en) 1989-12-22 1993-05-11 General Instrument Corporation Transmission of AM-VSB video signals over an optical fiber
US5093147A (en) 1990-09-12 1992-03-03 Battelle Memorial Institute Providing intelligible markings
US5140658A (en) 1991-04-26 1992-08-18 At&T Bell Laboratories Optical amplifiers involving single crystal waveguides
US5105434A (en) 1991-05-10 1992-04-14 The United States Of America As Represented By The United States Department Of Energy AlGaAs diode pumped tunable chromium lasers
KR940703802A (en) 1991-12-23 1994-12-12 피이터 코르낼리스 샬크비즈크; 귄터 페트 POLYMERIC OPTICAL AMPLIFIER DOPED WITH LANTHANIDE
EP0556005B1 (en) 1992-02-14 1996-04-17 AMERSHAM INTERNATIONAL plc Fluorescent compounds
JPH05238775A (en) 1992-02-24 1993-09-17 Nippon Telegr & Teleph Corp <Ntt> Fluorophosphate glass single mode fiber
US5287217A (en) 1993-03-30 1994-02-15 The United States Of America As Represented By The United States Department Of Energy Optical amplification at the 1.31 wavelength
US5364819A (en) 1993-04-28 1994-11-15 The United States Of America As Represented By The Secretary Of The Navy Ultraviolet Faraday rotator glass
US5379149A (en) 1993-08-06 1995-01-03 Kutger, The State University Of New Jersey Glass compositions having low energy phonon spectra and light sources fabricated therefrom
US5524016A (en) 1994-06-09 1996-06-04 Gte Laboratories Incorporated Optical emitter for amplification and process for making same
US5555342A (en) 1995-01-17 1996-09-10 Lucent Technologies Inc. Planar waveguide and a process for its fabrication
DE19518021A1 (en) 1995-05-17 1996-11-21 Sel Alcatel Ag Optical amplifier
US5694500A (en) 1995-10-23 1997-12-02 The Regents Of The University Of California Optical amplifier operating at 1.3 microns useful for telecommunications and based on dysprosium-doped metal chloride host materials
CA2283075A1 (en) * 1997-03-03 1998-09-11 Akzo Nobel Nv Polymeric optical waveguide doped with a lanthanide-sensitizer complex
US6292292B1 (en) * 2000-02-18 2001-09-18 Photon-X Rare earth polymers, optical amplifiers and optical fibers
US6538805B1 (en) * 1999-02-19 2003-03-25 Photon-X, Inc. Codopant polymers for efficient optical amplification

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4962995A (en) * 1989-06-16 1990-10-16 Gte Laboratories Incorporated Glasses for high efficiency erbium (3+) optical fiber lasers, amplifiers, and superluminescent sources
US5338607A (en) * 1992-01-20 1994-08-16 Central Glass Company, Limited 1.3 micrometer-band amplifying optical fiber preform
EP0775673A1 (en) * 1995-11-21 1997-05-28 Sumita Optical Glass, Inc. A fluorophosphate fluorescent glass capable of exhibiting fluorescence in the visible region
EP0989693A1 (en) * 1998-09-22 2000-03-29 PIRELLI CAVI E SISTEMI S.p.A. Optical amplification system including an Erbium-Ytterbium co-doped fiber

Also Published As

Publication number Publication date
AU2001238324A1 (en) 2001-08-27
WO2001061803A2 (en) 2001-08-23
CA2400380A1 (en) 2001-08-23
EP1258058A2 (en) 2002-11-20
CN1401149A (en) 2003-03-05
US6538805B1 (en) 2003-03-25
JP2003523458A (en) 2003-08-05
US20030156320A1 (en) 2003-08-21

Similar Documents

Publication Publication Date Title
WO2001061803A3 (en) Codopant polymers for efficient optical amplification
EP1180835A3 (en) Optical amplifying glass
AU2000236950A1 (en) Rare earth polymer optical amplifier or fiber
AU2001232856A1 (en) Intelligent roaming database (irdb) updating
WO2002014430A3 (en) Biodegradable polymeric blend
NO20010729D0 (en) Procedure for completing loose, producing zones in the underground
EP1593730A4 (en) Semiconductor nanoparticle and method for producing same
AU2001269790A1 (en) Polymer matrix electroluminescent materials and devices
AU2002301853A1 (en) Locking device, locker, key and locking method
WO2003022032A3 (en) Method for increasing stress tolerance in plants
AU2002234076A1 (en) Construction composition, structure, and method
WO2002050206A3 (en) Resorcinolic derivative for rubber compounds
AU2002218319A1 (en) Method for producing 1,2-dichloroethane
AU2002365122A1 (en) A method for engineering strand-specific, sequence-specific, dna-nicking enzymes
WO2003021317A3 (en) Optical devices using shaped optical fibers and methods for making optical devices with shaped optical fibers
AU2001276425A1 (en) Machine for planting stakes, poles or the like
WO2001099241A3 (en) RARE EARTH ELEMENT-DOPED Bi-Sb-Al-Si GLASS AND ITS USE IN OPTICAL AMPLIFIERS
WO2001009122A3 (en) Serotonergic benzofurans
WO2002028950A3 (en) Scorch-delaying composition
AU2001266274A1 (en) Assay techniques based on growth stage dependent expression inc. elegans
AU2002216181A1 (en) Method for producing a positively doped semiconductor with large forbidden band
WO2001061802A3 (en) Polymer blends for optical amplification
AU2001270735A1 (en) Composition, kits and method for providing a substrate with barrier properties and uses thereof
AUPQ901700A0 (en) Molecular markers
AU2001286188A1 (en) Tricyclic heterocyclic compound, process for producing the same, and use thereof

Legal Events

Date Code Title Description
AK Designated states

Kind code of ref document: A2

Designated state(s): AE AG AL AM AT AU AZ BA BB BG BR BY BZ CA CH CN CR CU CZ DE DK DM DZ EE ES FI GB GD GE GH GM HR HU ID IL IN IS JP KE KG KP KR KZ LC LK LR LS LT LU LV MA MD MG MK MN MW MX MZ NO NZ PL PT RO RU SD SE SG SI SK SL TJ TM TR TT TZ UA UG UZ VN YU ZA ZW

AL Designated countries for regional patents

Kind code of ref document: A2

Designated state(s): GH GM KE LS MW MZ SD SL SZ TZ UG ZW AM AZ BY KG KZ MD RU TJ TM AT BE CH CY DE DK ES FI FR GB GR IE IT LU MC NL PT SE TR BF BJ CF CG CI CM GA GN GW ML MR NE SN TD TG

121 Ep: the epo has been informed by wipo that ep was designated in this application
AK Designated states

Kind code of ref document: A3

Designated state(s): AE AG AL AM AT AU AZ BA BB BG BR BY BZ CA CH CN CR CU CZ DE DK DM DZ EE ES FI GB GD GE GH GM HR HU ID IL IN IS JP KE KG KP KR KZ LC LK LR LS LT LU LV MA MD MG MK MN MW MX MZ NO NZ PL PT RO RU SD SE SG SI SK SL TJ TM TR TT TZ UA UG UZ VN YU ZA ZW

AL Designated countries for regional patents

Kind code of ref document: A3

Designated state(s): GH GM KE LS MW MZ SD SL SZ TZ UG ZW AM AZ BY KG KZ MD RU TJ TM AT BE CH CY DE DK ES FI FR GB GR IE IT LU MC NL PT SE TR BF BJ CF CG CI CM GA GN GW ML MR NE SN TD TG

DFPE Request for preliminary examination filed prior to expiration of 19th month from priority date (pct application filed before 20040101)
WWE Wipo information: entry into national phase

Ref document number: 2001238324

Country of ref document: AU

WWE Wipo information: entry into national phase

Ref document number: 2400380

Country of ref document: CA

WWE Wipo information: entry into national phase

Ref document number: 018050891

Country of ref document: CN

ENP Entry into the national phase

Ref country code: JP

Ref document number: 2001 560490

Kind code of ref document: A

Format of ref document f/p: F

WWE Wipo information: entry into national phase

Ref document number: 2001910750

Country of ref document: EP

WWP Wipo information: published in national office

Ref document number: 2001910750

Country of ref document: EP

REG Reference to national code

Ref country code: DE

Ref legal event code: 8642

WWW Wipo information: withdrawn in national office

Ref document number: 2001910750

Country of ref document: EP