ES2183844T3 - Material y procedimiento para fabricar piezas de plastico. - Google Patents
Material y procedimiento para fabricar piezas de plastico.Info
- Publication number
- ES2183844T3 ES2183844T3 ES95105972T ES95105972T ES2183844T3 ES 2183844 T3 ES2183844 T3 ES 2183844T3 ES 95105972 T ES95105972 T ES 95105972T ES 95105972 T ES95105972 T ES 95105972T ES 2183844 T3 ES2183844 T3 ES 2183844T3
- Authority
- ES
- Spain
- Prior art keywords
- microspheres
- mold
- heated
- inches
- weight
- 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 - Lifetime
Links
- 238000000034 method Methods 0.000 title abstract 4
- 239000000463 material Substances 0.000 title abstract 3
- 238000004519 manufacturing process Methods 0.000 title 1
- 239000004005 microsphere Substances 0.000 abstract 8
- 238000000465 moulding Methods 0.000 abstract 4
- 239000012815 thermoplastic material Substances 0.000 abstract 2
- 239000000654 additive Substances 0.000 abstract 1
- 239000000203 mixture Substances 0.000 abstract 1
- 239000012798 spherical particle Substances 0.000 abstract 1
- 230000003068 static effect Effects 0.000 abstract 1
- 229920001169 thermoplastic Polymers 0.000 abstract 1
- 239000004416 thermosoftening plastic Substances 0.000 abstract 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J13/00—Colloid chemistry, e.g. the production of colloidal materials or their solutions, not otherwise provided for; Making microcapsules or microballoons
- B01J13/02—Making microcapsules or microballoons
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B9/00—Making granules
- B29B9/02—Making granules by dividing preformed material
- B29B9/06—Making granules by dividing preformed material in the form of filamentary material, e.g. combined with extrusion
- B29B9/065—Making granules by dividing preformed material in the form of filamentary material, e.g. combined with extrusion under-water, e.g. underwater pelletizers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C41/00—Shaping by coating a mould, core or other substrate, i.e. by depositing material and stripping-off the shaped article; Apparatus therefor
- B29C41/003—Shaping by coating a mould, core or other substrate, i.e. by depositing material and stripping-off the shaped article; Apparatus therefor characterised by the choice of material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C41/00—Shaping by coating a mould, core or other substrate, i.e. by depositing material and stripping-off the shaped article; Apparatus therefor
- B29C41/02—Shaping by coating a mould, core or other substrate, i.e. by depositing material and stripping-off the shaped article; Apparatus therefor for making articles of definite length, i.e. discrete articles
- B29C41/04—Rotational or centrifugal casting, i.e. coating the inside of a mould by rotating the mould
- B29C41/042—Rotational or centrifugal casting, i.e. coating the inside of a mould by rotating the mould by rotating a mould around its axis of symmetry
- B29C41/047—Rotational or centrifugal casting, i.e. coating the inside of a mould by rotating the mould by rotating a mould around its axis of symmetry the mould cavity lying totally outside the axis, e.g. toroidal moulds
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C41/00—Shaping by coating a mould, core or other substrate, i.e. by depositing material and stripping-off the shaped article; Apparatus therefor
- B29C41/02—Shaping by coating a mould, core or other substrate, i.e. by depositing material and stripping-off the shaped article; Apparatus therefor for making articles of definite length, i.e. discrete articles
- B29C41/18—Slush casting, i.e. pouring moulding material into a hollow mould with excess material being poured off
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J3/00—Processes of treating or compounding macromolecular substances
- C08J3/12—Powdering or granulating
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J7/00—Chemical treatment or coating of shaped articles made of macromolecular substances
- C08J7/12—Chemical modification
- C08J7/123—Treatment by wave energy or particle radiation
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K7/00—Use of ingredients characterised by shape
- C08K7/16—Solid spheres
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C41/00—Shaping by coating a mould, core or other substrate, i.e. by depositing material and stripping-off the shaped article; Apparatus therefor
- B29C41/02—Shaping by coating a mould, core or other substrate, i.e. by depositing material and stripping-off the shaped article; Apparatus therefor for making articles of definite length, i.e. discrete articles
- B29C41/04—Rotational or centrifugal casting, i.e. coating the inside of a mould by rotating the mould
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
- B29K2075/00—Use of PU, i.e. polyureas or polyurethanes or derivatives thereof, as moulding material
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2329/00—Characterised by the use 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; Hydrolysed polymers of esters of unsaturated alcohols with saturated carboxylic acids; Derivatives of such polymer
- C08J2329/02—Homopolymers or copolymers of unsaturated alcohols
- C08J2329/04—Polyvinyl alcohol; Partially hydrolysed homopolymers or copolymers of esters of unsaturated alcohols with saturated carboxylic acids
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S521/00—Synthetic resins or natural rubbers -- part of the class 520 series
- Y10S521/92—Cellular product containing a dye or pigment
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/29—Coated or structually defined flake, particle, cell, strand, strand portion, rod, filament, macroscopic fiber or mass thereof
- Y10T428/2982—Particulate matter [e.g., sphere, flake, etc.]
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Health & Medical Sciences (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- General Chemical & Material Sciences (AREA)
- Dispersion Chemistry (AREA)
- Materials Engineering (AREA)
- Moulding By Coating Moulds (AREA)
- Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
- Processes Of Treating Macromolecular Substances (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
- Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
Abstract
PARTICULAS ESFERICAS QUE TIENEN UN DIAMETRO ENTRE .007 PULGADAS Y .040 PULGADAS SE FORMAN A PARTIR DE UN MATERIAL TERMOPLASTICO EXTRUIDO EN ESTADO FUNDIDO ADECUADO PARA MOLDEARSE SOBRE UNA SUPERFICIE DE MOLDE CALENTADA Y PARA FUNDIR LAS MISMAS PARA FORMAR UNA CAPA FINA DE MATERIAL QUE TENGA UN GROSOR NOMINAL DE .040 PULGADAS QUE SE ENFRIA Y SE SEPARA DE LA SUPERFICIE DEL MOLDE COMO UNA PIEZA QUE TIENE UNA POROSIDAD MENOR QUE UN UMBRAL VISUALMENTE OBSERVABLE. EL PROCESO INCLUYE LOS PASOS DE SUMINISTRAR MICROESFERAS FORMADAS DE TERMOPLASTICO, PLASTIFICADORES (SI FUERA NECESARIO) Y ADITIVOS PIGMENTARIOS QUE CONSTITUYEN MENOS DEL 5% DEL PESO DE LA MEZCLA MEZCLADOS Y EXTRUIDOS EN ESTADO FUNDIDO Y CONFORMADOS COMO PARTICULAS ESFERICAS LISAS Y REDONDAS; SUMINISTRAR UNA SUPERFICIE DE MOLDEADO CALENTADA Y DISTRIBUIR UNA CARGA PREDETERMINADA DE TALES MICROESFERAS CONTRA LA SUPERFICIE DE MOLDEADO CALENTADA; MOLDEAR LAS MICROESFERAS COMO UNA CAPA DE MATERIAL TERMOPLASTICO QUE TIENE UNA POROSIDAD INFERIOR A .003 PULGADAS Y POSTERIORMENTE ENFRIAR Y SEPARAR LA CAPA NO POROSA DE LA SUPERFICIE DE MOLDEADO; EN UNA CONFORMACION DEL PROCESO LAS MICROESFERAS SON SUMINISTRADAS COMO UNA CARGA FIJA QUE TIENE UN PESO SUBSTANCIALMENTE IGUAL QUE LA PIEZA FINALIZADA Y EN DONDE LA CARGA FIJA ESTA COMPUESTA DE TALES MICROESFERAS; MOLDEANDO DE FORMA CENTRIFUGA LAS MICROESFERAS SOBRE LA SUPERFICIE CALENTADA DEL MOLDE EN DONDE SE DEJAN FLUIR EN ESTADO FUNDIDO EN UNA CAPA FINA, SE ENFRIAN Y SE SEPARAN DEL MOLDE; EN OTRA CONFORMACION DEL PROCESO LAS MICROESFERAS SON SUMINISTRADAS EN CANTIDADES DE PESO MAYORES QUE EL PESO DE LA PIEZA FINALIZADA Y SE COLOCAN SOBRE LA SUPERFICIE CALENTADA DEL MOLDE PARA MANTENER UNA PRESION ESTATICA DEL MATERIAL DE LAS MICROESFERAS EN CONTRA DE LA SUPERFICIE CALENTADA DEL MOLDE A MEDIDA QUE SE FUNDEN EN UNA CAPA FINA.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US08/267,252 US5525274A (en) | 1994-06-29 | 1994-06-29 | Process for manufacturing plastic microspheres |
Publications (1)
Publication Number | Publication Date |
---|---|
ES2183844T3 true ES2183844T3 (es) | 2003-04-01 |
Family
ID=23017975
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ES95105972T Expired - Lifetime ES2183844T3 (es) | 1994-06-29 | 1995-04-21 | Material y procedimiento para fabricar piezas de plastico. |
Country Status (7)
Country | Link |
---|---|
US (5) | US5525274A (es) |
EP (1) | EP0690089B1 (es) |
JP (1) | JP3373335B2 (es) |
KR (1) | KR100383424B1 (es) |
CA (1) | CA2145828C (es) |
DE (1) | DE69528319T2 (es) |
ES (1) | ES2183844T3 (es) |
Families Citing this family (35)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5525274A (en) * | 1994-06-29 | 1996-06-11 | Davidson Textron Inc. | Process for manufacturing plastic microspheres |
IT1273580B (it) * | 1995-04-19 | 1997-07-08 | Ilpea Ind Spa | Procedimento per la formatura per colaggio a rifiuto di manufatti quali finte pelli o simili di materiali termoplastici termoindurenti ed elastomeri aventi almeno uno strato espanso con spessori controllati e predeterminati |
KR100245124B1 (ko) * | 1997-02-17 | 2000-02-15 | 김동훈 | 스타 권선방식 일체형 스테이터 및 이를 이용한 비엘디씨 모터 |
EP0893224B1 (de) * | 1997-07-24 | 2004-12-29 | Benecke-Kaliko Aktiengesellschaft | Slushverfahren zur Herstellung von Verkleidungen für Fahrzeuge mit einer Sollbruchstelle für einen Airbag |
DE19800287A1 (de) * | 1998-01-07 | 1999-07-08 | Bayer Ag | Aliphatische sinterfähige thermoplastische Polyurethanformmassen mit reduzierter mechanischer Festigkeit |
US6833410B2 (en) * | 1998-10-16 | 2004-12-21 | Chroma Corporation | Method of rotational molding using a resin blend and the resulting molded objects |
US6433086B1 (en) | 1998-10-16 | 2002-08-13 | Chroma Corporation | Method of rotational molding using a resin blend and the resulting molded objects |
US6082989A (en) | 1998-11-13 | 2000-07-04 | Mcnally; Douglas J. | Slush molding apparatus |
US6284182B1 (en) | 1999-03-12 | 2001-09-04 | Konal Engineering And Equipment Inc. | Molding process employing heated fluid |
US6709007B2 (en) * | 2000-02-15 | 2004-03-23 | Collins & Aikman Automotive Company Inc. | Airbag door and method for making same |
US6297297B1 (en) | 2000-03-06 | 2001-10-02 | Teknor Apex Company | Flooring containing microbeads |
US6524509B1 (en) | 2000-08-16 | 2003-02-25 | Textron Automotive Company Inc. | Method for casting multicolored parts for automotive interior applications |
KR100412976B1 (ko) * | 2000-08-26 | 2003-12-31 | 주식회사 밀레니엄 봉우리 | 범퍼수리용접착몰드조성물 |
US20040054085A1 (en) * | 2001-09-10 | 2004-03-18 | Tansey William J. | Pvc alloy for use in air bag doors |
US6805822B2 (en) * | 2000-09-20 | 2004-10-19 | Sumitomo Chemical Company, Limited | Method for producing thermoplastic elastomer powder |
US6632525B1 (en) | 2000-10-11 | 2003-10-14 | Textron Automotive Company, Inc. | Material and method for manufacturing plastic parts |
US6602452B2 (en) * | 2001-07-18 | 2003-08-05 | Mcghan Medical Corporation | Rotational molding of medical articles |
KR100451841B1 (ko) * | 2001-08-20 | 2004-10-08 | 주식회사 뉴빛 | 폴리염화비닐 용액을 이용한 휴대폰 케이스 제조 방법 |
US6814915B2 (en) * | 2002-03-15 | 2004-11-09 | Collins & Aikman Automotive Company Inc. | Method for annealing an electrodeposition structure |
US20040007798A1 (en) * | 2002-04-30 | 2004-01-15 | Kreager Andrew S. | Polymer blends for tip molding process and method of forming a plastic part |
KR100645682B1 (ko) * | 2003-04-17 | 2006-11-13 | 주식회사 엘지화학 | 유기실록산 수지 및 이를 이용한 절연막 |
KR20060095936A (ko) * | 2003-07-11 | 2006-09-05 | 콜린스 앤 아이크만 프로덕츠 콤파니. | 옷감 텍스쳐 커버 재료 |
US6981862B2 (en) * | 2003-09-09 | 2006-01-03 | Toyota Technical Center Usa, Inc. | Slush molding machine |
US20050272330A1 (en) * | 2004-06-04 | 2005-12-08 | Gray John D | Method for embedding a distinguishing aesthetic and/or functional surface feature into a panel surface |
JP4527487B2 (ja) * | 2004-09-30 | 2010-08-18 | ダイセル・エボニック株式会社 | 楕球状熱可塑性樹脂微粒子の製造法 |
US7309252B2 (en) * | 2005-02-22 | 2007-12-18 | Tyco Electronics Corporation | Low profile surface mount connector |
BRPI0617474A2 (pt) * | 2005-10-17 | 2011-07-26 | Polyone Corp | composiÇÕes em pà de poliuretano termoplÁsticas e seus usos |
US8535591B2 (en) * | 2006-11-03 | 2013-09-17 | Green Materials, Llc | Process for preparing biodegradable articles |
US8597747B2 (en) * | 2006-12-15 | 2013-12-03 | Centro, Inc. | Multi-layer rotationally molded low permeation vessels and method for manufacture therof |
US20100310843A1 (en) | 2006-12-20 | 2010-12-09 | Humphrey William M | Double-cast slush molding compositions |
KR20110103964A (ko) * | 2008-11-20 | 2011-09-21 | 알러간, 인코포레이티드 | 연질 유체-충전 이식물 쉘을 몰딩하기 위한 시스템 및 방법 |
EP3061742A1 (en) | 2013-10-25 | 2016-08-31 | Mitsubishi Gas Chemical Company, Inc. | 1,3-bis(hydroxyphenyl)-5-ethyladamantane compound and method for production thereof, and aromatic polycarbonate resin and method for production thereof |
US10252449B1 (en) | 2015-01-23 | 2019-04-09 | Centro, Inc. | Rotational molding with pre-formed shapes |
KR20180103666A (ko) | 2017-03-09 | 2018-09-19 | (주)엘지하우시스 | 열가소성 폴리우레탄 시트 및 이의 제조방법 |
CN112092226B (zh) * | 2020-09-03 | 2022-05-13 | 公主岭市德立智能科技有限公司 | 一种汽车塑料件生产加工用原料塑料颗粒混色机 |
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JPH05117473A (ja) * | 1991-10-28 | 1993-05-14 | Sumitomo Chem Co Ltd | 回転成形用塩化ビニル系樹脂粉末組成物 |
US5265347A (en) | 1992-09-04 | 1993-11-30 | Gala Industries, Inc. | Centrifugal pellet dryer |
GB9222926D0 (en) * | 1992-11-02 | 1992-12-16 | Rotec Chemicals Ltd | An improved method of manufacturing coloured plastics material |
US5525274A (en) * | 1994-06-29 | 1996-06-11 | Davidson Textron Inc. | Process for manufacturing plastic microspheres |
US5624688A (en) | 1995-10-12 | 1997-04-29 | Gala Industries, Inc. | Self-aligning cutter hub |
US5638606A (en) | 1996-03-06 | 1997-06-17 | Gala Industries, Inc. | Spider and lifter assembly for centrifugal pellet dryer |
-
1994
- 1994-06-29 US US08/267,252 patent/US5525274A/en not_active Expired - Lifetime
-
1995
- 1995-03-29 CA CA002145828A patent/CA2145828C/en not_active Expired - Lifetime
- 1995-04-21 EP EP95105972A patent/EP0690089B1/en not_active Expired - Lifetime
- 1995-04-21 ES ES95105972T patent/ES2183844T3/es not_active Expired - Lifetime
- 1995-04-21 DE DE69528319T patent/DE69528319T2/de not_active Expired - Lifetime
- 1995-05-26 US US08/450,906 patent/US5525284A/en not_active Expired - Lifetime
- 1995-05-26 US US08/451,402 patent/US5654102A/en not_active Expired - Lifetime
- 1995-06-28 JP JP18331995A patent/JP3373335B2/ja not_active Expired - Lifetime
- 1995-06-28 KR KR1019950017748A patent/KR100383424B1/ko not_active IP Right Cessation
-
1997
- 1997-07-25 US US08/900,973 patent/US5998030A/en not_active Expired - Lifetime
-
1999
- 1999-09-16 US US09/397,592 patent/US6410141B1/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
DE69528319T2 (de) | 2003-07-31 |
EP0690089A3 (en) | 1996-03-20 |
US6410141B1 (en) | 2002-06-25 |
EP0690089A2 (en) | 1996-01-03 |
JP3373335B2 (ja) | 2003-02-04 |
DE69528319D1 (de) | 2002-10-31 |
KR960000976A (ko) | 1996-01-25 |
JPH0812764A (ja) | 1996-01-16 |
US5998030A (en) | 1999-12-07 |
EP0690089B1 (en) | 2002-09-25 |
CA2145828C (en) | 2002-11-26 |
US5525274A (en) | 1996-06-11 |
CA2145828A1 (en) | 1995-12-30 |
US5654102A (en) | 1997-08-05 |
US5525284A (en) | 1996-06-11 |
KR100383424B1 (ko) | 2003-08-27 |
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