KR0138018B1 - 질화규소계 세라믹부품의 제조방법 - Google Patents

질화규소계 세라믹부품의 제조방법

Info

Publication number
KR0138018B1
KR0138018B1 KR1019950009734A KR19950009734A KR0138018B1 KR 0138018 B1 KR0138018 B1 KR 0138018B1 KR 1019950009734 A KR1019950009734 A KR 1019950009734A KR 19950009734 A KR19950009734 A KR 19950009734A KR 0138018 B1 KR0138018 B1 KR 0138018B1
Authority
KR
South Korea
Prior art keywords
heat treatment
residual stress
silicon nitride
strength
grinding
Prior art date
Legal status (The legal status 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 status listed.)
Expired - Fee Related
Application number
KR1019950009734A
Other languages
English (en)
Korean (ko)
Other versions
KR950029233A (ko
Inventor
야수시 이토
타케히사 야마모토
타카오 니시오카
아키라 야마카와
오사무 코무라
Original Assignee
쿠라우찌 노리타카
스미도모덴기고오교오 가부시기가이샤
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
Application filed by 쿠라우찌 노리타카, 스미도모덴기고오교오 가부시기가이샤 filed Critical 쿠라우찌 노리타카
Publication of KR950029233A publication Critical patent/KR950029233A/ko
Application granted granted Critical
Publication of KR0138018B1 publication Critical patent/KR0138018B1/ko
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B41/00—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone
    • C04B41/009—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone characterised by the material treated
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/515—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on non-oxide ceramics
    • C04B35/58—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on non-oxide ceramics based on borides, nitrides, i.e. nitrides, oxynitrides, carbonitrides or oxycarbonitrides or silicides
    • C04B35/584—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on non-oxide ceramics based on borides, nitrides, i.e. nitrides, oxynitrides, carbonitrides or oxycarbonitrides or silicides based on silicon nitride
    • C04B35/593—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on non-oxide ceramics based on borides, nitrides, i.e. nitrides, oxynitrides, carbonitrides or oxycarbonitrides or silicides based on silicon nitride obtained by pressure sintering
    • C04B35/5935—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on non-oxide ceramics based on borides, nitrides, i.e. nitrides, oxynitrides, carbonitrides or oxycarbonitrides or silicides based on silicon nitride obtained by pressure sintering obtained by gas pressure sintering
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B41/00—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
    • C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
    • C04B2235/30—Constituents and secondary phases not being of a fibrous nature
    • C04B2235/32—Metal oxides, mixed metal oxides, or oxide-forming salts thereof, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
    • C04B2235/3217—Aluminum oxide or oxide forming salts thereof, e.g. bauxite, alpha-alumina
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
    • C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
    • C04B2235/30—Constituents and secondary phases not being of a fibrous nature
    • C04B2235/32—Metal oxides, mixed metal oxides, or oxide-forming salts thereof, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
    • C04B2235/3224—Rare earth oxide or oxide forming salts thereof, e.g. scandium oxide
    • C04B2235/3225—Yttrium oxide or oxide-forming salts thereof
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
    • C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
    • C04B2235/30—Constituents and secondary phases not being of a fibrous nature
    • C04B2235/38—Non-oxide ceramic constituents or additives
    • C04B2235/3852—Nitrides, e.g. oxynitrides, carbonitrides, oxycarbonitrides, lithium nitride, magnesium nitride
    • C04B2235/3865—Aluminium nitrides
    • C04B2235/3869—Aluminium oxynitrides, e.g. AlON, sialon
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
    • C04B2235/65—Aspects relating to heat treatments of ceramic bodies such as green ceramics or pre-sintered ceramics, e.g. burning, sintering or melting processes
    • C04B2235/656—Aspects relating to heat treatments of ceramic bodies such as green ceramics or pre-sintered ceramics, e.g. burning, sintering or melting processes characterised by specific heating conditions during heat treatment
    • C04B2235/6567—Treatment time
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
    • C04B2235/70—Aspects relating to sintered or melt-casted ceramic products
    • C04B2235/74—Physical characteristics
    • C04B2235/76—Crystal structural characteristics, e.g. symmetry
    • C04B2235/766—Trigonal symmetry, e.g. alpha-Si3N4 or alpha-Sialon
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
    • C04B2235/70—Aspects relating to sintered or melt-casted ceramic products
    • C04B2235/96—Properties of ceramic products, e.g. mechanical properties such as strength, toughness, wear resistance

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Ceramic Engineering (AREA)
  • Materials Engineering (AREA)
  • Structural Engineering (AREA)
  • Organic Chemistry (AREA)
  • Manufacturing & Machinery (AREA)
  • Ceramic Products (AREA)
  • Grinding And Polishing Of Tertiary Curved Surfaces And Surfaces With Complex Shapes (AREA)
  • Compositions Of Oxide Ceramics (AREA)
KR1019950009734A 1994-04-26 1995-04-25 질화규소계 세라믹부품의 제조방법 Expired - Fee Related KR0138018B1 (ko)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP6109113A JPH07299708A (ja) 1994-04-26 1994-04-26 窒化ケイ素系セラミックス部品の製造方法
JP94-109113 1994-04-26

Publications (2)

Publication Number Publication Date
KR950029233A KR950029233A (ko) 1995-11-22
KR0138018B1 true KR0138018B1 (ko) 1998-04-27

Family

ID=14501898

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019950009734A Expired - Fee Related KR0138018B1 (ko) 1994-04-26 1995-04-25 질화규소계 세라믹부품의 제조방법

Country Status (6)

Country Link
US (1) US5599493A (enExample)
EP (1) EP0679616B1 (enExample)
JP (1) JPH07299708A (enExample)
KR (1) KR0138018B1 (enExample)
DE (1) DE69501638T2 (enExample)
TW (1) TW284747B (enExample)

Families Citing this family (48)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1996015359A1 (en) * 1994-11-14 1996-05-23 Sumitimo Electric Industries, Ltd. Ceramic sliding part
JP4070417B2 (ja) * 2000-03-31 2008-04-02 日本特殊陶業株式会社 窒化珪素質部材及びその製造方法並びに切削工具
DE10146227B4 (de) * 2000-09-20 2015-01-29 Hitachi Metals, Ltd. Siliciumnitrid-Sinterkörper, Leiterplatte und thermoelektrisches Modul
JP2003176178A (ja) * 2001-12-07 2003-06-24 Nhk Spring Co Ltd ウエハ支持体およびその周辺部品
JP4087244B2 (ja) * 2002-12-20 2008-05-21 電気化学工業株式会社 セラミックスの改質方法
TW200903026A (en) 2007-07-12 2009-01-16 Young Optics Inc Fixed-focus lens
KR101019706B1 (ko) * 2008-12-30 2011-03-07 주식회사 하이닉스반도체 반도체 패키지 및 이의 제조 방법
US8758461B2 (en) 2010-12-31 2014-06-24 Saint-Gobain Ceramics & Plastics, Inc. Abrasive particles having particular shapes and methods of forming such particles
US8840694B2 (en) 2011-06-30 2014-09-23 Saint-Gobain Ceramics & Plastics, Inc. Liquid phase sintered silicon carbide abrasive particles
CN103702800B (zh) 2011-06-30 2017-11-10 圣戈本陶瓷及塑料股份有限公司 包括氮化硅磨粒的磨料制品
EP2760639B1 (en) 2011-09-26 2021-01-13 Saint-Gobain Ceramics & Plastics, Inc. Abrasive articles including abrasive particulate materials, coated abrasives using the abrasive particulate materials and methods of forming
KR102074138B1 (ko) 2011-12-30 2020-02-07 생-고뱅 세라믹스 앤드 플라스틱스, 인코포레이티드 형상화 연마입자 및 이의 형성방법
EP3851248B1 (en) 2011-12-30 2024-04-03 Saint-Gobain Ceramics & Plastics, Inc. Composite shaped abrasive particles and method of forming same
EP2798032A4 (en) 2011-12-30 2015-12-23 Saint Gobain Ceramics MANUFACTURE OF SHAPED GRINDING PARTICLES
KR101667943B1 (ko) 2012-01-10 2016-10-20 생-고뱅 세라믹스 앤드 플라스틱스, 인코포레이티드 복잡한 형상들을 가지는 연마 입자들 및 이의 성형 방법들
WO2013106602A1 (en) 2012-01-10 2013-07-18 Saint-Gobain Ceramics & Plastics, Inc. Abrasive particles having particular shapes and methods of forming such particles
US9242346B2 (en) 2012-03-30 2016-01-26 Saint-Gobain Abrasives, Inc. Abrasive products having fibrillated fibers
KR101813466B1 (ko) 2012-05-23 2017-12-29 생-고뱅 세라믹스 앤드 플라스틱스, 인코포레이티드 형상화 연마입자들 및 이의 형성방법
US10106714B2 (en) 2012-06-29 2018-10-23 Saint-Gobain Ceramics & Plastics, Inc. Abrasive particles having particular shapes and methods of forming such particles
FI2906392T3 (fi) 2012-10-15 2025-06-20 Saint Gobain Abrasives Inc Hiomahiukkasia, joilla on erityisiä muotoja, ja menetelmiä tällaisten hiukkasten muodostamiseksi
KR101818946B1 (ko) 2012-12-31 2018-01-17 생-고뱅 세라믹스 앤드 플라스틱스, 인코포레이티드 미립자 소재 및 이의 형성방법
WO2014126178A1 (ja) 2013-02-13 2014-08-21 京セラ株式会社 切削工具
CN107685296B (zh) 2013-03-29 2020-03-06 圣戈班磨料磨具有限公司 具有特定形状的磨粒、形成这种粒子的方法及其用途
TW201502263A (zh) 2013-06-28 2015-01-16 Saint Gobain Ceramics 包含成形研磨粒子之研磨物品
RU2643004C2 (ru) 2013-09-30 2018-01-29 Сен-Гобен Серэмикс Энд Пластикс, Инк. Формованные абразивные частицы и способы их получения
MX380754B (es) 2013-12-31 2025-03-12 Saint Gobain Abrasives Inc Artículo abrasivo que incluye partículas abrasivas perfiladas.
US9771507B2 (en) 2014-01-31 2017-09-26 Saint-Gobain Ceramics & Plastics, Inc. Shaped abrasive particle including dopant material and method of forming same
CA2945491C (en) 2014-04-14 2023-03-14 Saint-Gobain Ceramics & Plastics, Inc. Abrasive article including shaped abrasive particles
WO2015160855A1 (en) 2014-04-14 2015-10-22 Saint-Gobain Ceramics & Plastics, Inc. Abrasive article including shaped abrasive particles
US9902045B2 (en) 2014-05-30 2018-02-27 Saint-Gobain Abrasives, Inc. Method of using an abrasive article including shaped abrasive particles
US9707529B2 (en) 2014-12-23 2017-07-18 Saint-Gobain Ceramics & Plastics, Inc. Composite shaped abrasive particles and method of forming same
US9914864B2 (en) 2014-12-23 2018-03-13 Saint-Gobain Ceramics & Plastics, Inc. Shaped abrasive particles and method of forming same
US9676981B2 (en) 2014-12-24 2017-06-13 Saint-Gobain Ceramics & Plastics, Inc. Shaped abrasive particle fractions and method of forming same
EP3277459B1 (en) 2015-03-31 2023-08-16 Saint-Gobain Abrasives, Inc. Fixed abrasive articles and methods of forming same
TWI634200B (zh) 2015-03-31 2018-09-01 聖高拜磨料有限公司 固定磨料物品及其形成方法
ES2819375T3 (es) 2015-06-11 2021-04-15 Saint Gobain Ceramics & Plastics Inc Artículo abrasivo que incluye partículas abrasivas conformadas
KR102390844B1 (ko) 2016-05-10 2022-04-26 생-고뱅 세라믹스 앤드 플라스틱스, 인코포레이티드 연마 입자 및 이의 형성 방법
EP3455320A4 (en) 2016-05-10 2019-11-20 Saint-Gobain Ceramics&Plastics, Inc. GRINDING PARTICLES AND METHOD FOR FORMING THEREOF
EP3519134B1 (en) 2016-09-29 2024-01-17 Saint-Gobain Abrasives, Inc. Fixed abrasive articles and methods of forming same
US10563105B2 (en) 2017-01-31 2020-02-18 Saint-Gobain Ceramics & Plastics, Inc. Abrasive article including shaped abrasive particles
US10759024B2 (en) 2017-01-31 2020-09-01 Saint-Gobain Ceramics & Plastics, Inc. Abrasive article including shaped abrasive particles
WO2018236989A1 (en) 2017-06-21 2018-12-27 Saint-Gobain Ceramics & Plastics, Inc. Particulate materials and methods of forming same
KR102047662B1 (ko) * 2017-11-30 2019-11-22 (주) 존인피니티 신규한 질화규소 분말의 제조방법
KR20210126590A (ko) * 2019-01-11 2021-10-20 드래곤플라이 엔도스코피 엘엘씨 내시경 장치 및 그의 사용 방법
EP4081609A4 (en) 2019-12-27 2024-06-05 Saint-Gobain Ceramics & Plastics Inc. Abrasive articles and methods of forming same
CN114845838B (zh) 2019-12-27 2024-10-25 圣戈本陶瓷及塑料股份有限公司 磨料制品及其形成方法
KR102765343B1 (ko) 2019-12-27 2025-02-13 세인트-고바인 세라믹스 앤드 플라스틱스, 인크. 연마 물품 및 이의 형성 방법
JP2025500060A (ja) 2021-12-30 2025-01-07 サンーゴバン アブレイシブズ，インコーポレイティド 研磨物品及びそれを形成する方法

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6081076A (ja) * 1983-10-07 1985-05-09 株式会社日立製作所 セラミツクスの機械的強度向上法
JPS6355180A (ja) * 1986-08-22 1988-03-09 株式会社東芝 窒化ケイ素系セラミックス部品の製造方法
JPH02167864A (ja) * 1988-12-22 1990-06-28 Nkk Corp サイアロン焼結体の熱処理方法
JPH04367579A (ja) * 1991-06-14 1992-12-18 Toshiba Tungaloy Co Ltd 酸化膜付窒化ケイ素焼結体
JPH05149112A (ja) * 1991-11-25 1993-06-15 Riken Corp セラミツクバルブの製造方法
JP3198662B2 (ja) * 1992-09-21 2001-08-13 住友電気工業株式会社 窒化ケイ素系焼結体及びその製造方法
US5384292A (en) * 1993-04-14 1995-01-24 Sumitomo Electric Industries, Ltd. Silicon nitride composite sintered body and process for producing the same

Also Published As

Publication number Publication date
US5599493A (en) 1997-02-04
JPH07299708A (ja) 1995-11-14
EP0679616A2 (en) 1995-11-02
KR950029233A (ko) 1995-11-22
EP0679616B1 (en) 1998-02-25
DE69501638T2 (de) 1998-07-23
EP0679616A3 (enExample) 1995-11-29
DE69501638D1 (de) 1998-04-02
TW284747B (enExample) 1996-09-01

Similar Documents

Publication Publication Date Title
KR0138018B1 (ko) 질화규소계 세라믹부품의 제조방법
US5518673A (en) Silicon nitride ceramic having high fatigue life and high toughness
KR0177893B1 (ko) 질화규소계 소결체 및 그의 제조방법
WO2015061616A1 (en) High purity polycrystalline aluminum oxynitride bodies
KR0161596B1 (ko) 질화규소계 소결체의 제조방법
US4834926A (en) Process for producing silicon nitride ceramic articles
EP0310342A2 (en) SiC-Al2O3 composite sintered bodies and method of producing the same
Haggerty et al. Oxidation and Fracture Strength of High‐Purity Reaction‐Bonded Silicon Nitride
EP0311289A1 (en) SiC-Al2O3 composite sintered bodies and method of producing the same
KR100615107B1 (ko) 열풍 유량 조정 밸브체 및 그 제조방법
KR20030047799A (ko) 웨이퍼 지지체 및 그 주변 부품
JPH10259058A (ja) サイアロン複合体及びその製造方法
JP2000109367A (ja) 炭化ケイ素焼結体の熱処理方法および炭化ケイ素熱処理体
JPH11147769A (ja) 窒化珪素セラミック材及びその製造方法
WO1990008113A1 (en) Super tough monolithic silicon nitride
KR100602611B1 (ko) 탄화규소의 표면개질 방법 및 표면개질된 탄화규소
JPH08169764A (ja) 窒化珪素系焼結体の製造方法
JPH0269359A (ja) 窒化珪素焼結体の製造方法
JPH06116072A (ja) 窒化ケイ素−炭化ケイ素複合焼結体の熱処理方法
JPS6278178A (ja) 炭化珪素焼結体加工品の強度回復方法
JPH06344203A (ja) 複合セラミックス切削工具およびその製造法
JP2670222B2 (ja) 窒化珪素焼結体及びその製造方法
JPH11147774A (ja) セラミック材及びその製造方法
JPH06344204A (ja) 複合セラミックス切削工具およびその製造方法
JP3143992B2 (ja) 窒化ケイ素系焼結体

Legal Events

Date Code Title Description
A201 Request for examination
PA0109 Patent application

St.27 status event code: A-0-1-A10-A12-nap-PA0109

PA0201 Request for examination

St.27 status event code: A-1-2-D10-D11-exm-PA0201

R17-X000 Change to representative recorded

St.27 status event code: A-3-3-R10-R17-oth-X000

PG1501 Laying open of application

St.27 status event code: A-1-1-Q10-Q12-nap-PG1501

E902 Notification of reason for refusal
PE0902 Notice of grounds for rejection

St.27 status event code: A-1-2-D10-D21-exm-PE0902

T11-X000 Administrative time limit extension requested

St.27 status event code: U-3-3-T10-T11-oth-X000

T11-X000 Administrative time limit extension requested

St.27 status event code: U-3-3-T10-T11-oth-X000

T11-X000 Administrative time limit extension requested

St.27 status event code: U-3-3-T10-T11-oth-X000

P11-X000 Amendment of application requested

St.27 status event code: A-2-2-P10-P11-nap-X000

P13-X000 Application amended

St.27 status event code: A-2-2-P10-P13-nap-X000

E701 Decision to grant or registration of patent right
PE0701 Decision of registration

St.27 status event code: A-1-2-D10-D22-exm-PE0701

GRNT Written decision to grant
PR0701 Registration of establishment

St.27 status event code: A-2-4-F10-F11-exm-PR0701

PR1002 Payment of registration fee

St.27 status event code: A-2-2-U10-U11-oth-PR1002

Fee payment year number: 1

PG1601 Publication of registration

St.27 status event code: A-4-4-Q10-Q13-nap-PG1601

PN2301 Change of applicant

St.27 status event code: A-5-5-R10-R13-asn-PN2301

St.27 status event code: A-5-5-R10-R11-asn-PN2301

PR1001 Payment of annual fee

St.27 status event code: A-4-4-U10-U11-oth-PR1001

Fee payment year number: 4

PR1001 Payment of annual fee

St.27 status event code: A-4-4-U10-U11-oth-PR1001

Fee payment year number: 5

FPAY Annual fee payment

Payment date: 20030206

Year of fee payment: 6

PR1001 Payment of annual fee

St.27 status event code: A-4-4-U10-U11-oth-PR1001

Fee payment year number: 6

LAPS Lapse due to unpaid annual fee
PC1903 Unpaid annual fee

St.27 status event code: A-4-4-U10-U13-oth-PC1903

Not in force date: 20040217

Payment event data comment text: Termination Category : DEFAULT_OF_REGISTRATION_FEE

PC1903 Unpaid annual fee

St.27 status event code: N-4-6-H10-H13-oth-PC1903

Ip right cessation event data comment text: Termination Category : DEFAULT_OF_REGISTRATION_FEE

Not in force date: 20040217

P22-X000 Classification modified

St.27 status event code: A-4-4-P10-P22-nap-X000

R18-X000 Changes to party contact information recorded

St.27 status event code: A-5-5-R10-R18-oth-X000