JP7171441B2 - 射出成形により物品を製造する方法、ポリマー樹脂における相溶化剤の使用、およびポリマー樹脂 - Google Patents

射出成形により物品を製造する方法、ポリマー樹脂における相溶化剤の使用、およびポリマー樹脂 Download PDF

Info

Publication number
JP7171441B2
JP7171441B2 JP2018559930A JP2018559930A JP7171441B2 JP 7171441 B2 JP7171441 B2 JP 7171441B2 JP 2018559930 A JP2018559930 A JP 2018559930A JP 2018559930 A JP2018559930 A JP 2018559930A JP 7171441 B2 JP7171441 B2 JP 7171441B2
Authority
JP
Japan
Prior art keywords
polymer
compatibilizer
polymer resin
less
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.)
Active
Application number
JP2018559930A
Other languages
English (en)
Japanese (ja)
Other versions
JP2019518111A5 (enExample
JP2019518111A (ja
Inventor
ファティマ レビ
Original Assignee
イメリーズ ミネラルズ リミテッド
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=60266464&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=JP7171441(B2) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Priority claimed from GBGB1608480.8A external-priority patent/GB201608480D0/en
Priority claimed from GBGB1616914.6A external-priority patent/GB201616914D0/en
Application filed by イメリーズ ミネラルズ リミテッド filed Critical イメリーズ ミネラルズ リミテッド
Publication of JP2019518111A publication Critical patent/JP2019518111A/ja
Publication of JP2019518111A5 publication Critical patent/JP2019518111A5/ja
Application granted granted Critical
Publication of JP7171441B2 publication Critical patent/JP7171441B2/ja
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • 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
    • B29B17/00—Recovery of plastics or other constituents of waste material containing plastics
    • B29B17/0005—Direct recuperation and re-use of scrap material during moulding operation, i.e. feed-back of used 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
    • B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/0001—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; 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
    • B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/0013—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor using fillers dispersed in the moulding material, e.g. metal particles
    • 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
    • C08K3/00—Use of inorganic substances as compounding ingredients
    • C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
    • C08K3/24—Acids; Salts thereof
    • C08K3/26—Carbonates; Bicarbonates
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
    • C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
    • C08L23/04—Homopolymers or copolymers of ethene
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
    • C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
    • C08L23/04—Homopolymers or copolymers of ethene
    • C08L23/08—Copolymers of ethene
    • C08L23/0807—Copolymers of ethene with unsaturated hydrocarbons only containing four or more carbon atoms
    • C08L23/0815—Copolymers of ethene with unsaturated hydrocarbons only containing four or more carbon atoms with aliphatic 1-olefins containing one carbon-to-carbon double bond
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
    • C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
    • C08L23/10—Homopolymers or copolymers of propene
    • 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
    • B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/0025—Preventing defects on the moulded article, e.g. weld lines, shrinkage marks
    • 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
    • B29C67/00—Shaping techniques not covered by groups B29C39/00 - B29C65/00, B29C70/00 or B29C73/00
    • B29C67/24—Shaping techniques not covered by groups B29C39/00 - B29C65/00, B29C70/00 or B29C73/00 characterised by the choice of material
    • 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
    • B29K2023/00—Use of polyalkenes or derivatives thereof as moulding material
    • B29K2023/04—Polymers of ethylene
    • 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
    • B29K2023/00—Use of polyalkenes or derivatives thereof as moulding material
    • B29K2023/10—Polymers of propylene
    • B29K2023/12—PP, i.e. polypropylene
    • 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
    • B29K2105/00—Condition, form or state of moulded material or of the material to be shaped
    • B29K2105/06—Condition, form or state of moulded material or of the material to be shaped containing reinforcements, fillers or inserts
    • B29K2105/16—Fillers
    • 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
    • B29K2105/00—Condition, form or state of moulded material or of the material to be shaped
    • B29K2105/26—Scrap or recycled material
    • 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
    • B29K2509/00—Use of inorganic materials not provided for in groups B29K2503/00 - B29K2507/00, as filler
    • 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
    • C08K3/00—Use of inorganic substances as compounding ingredients
    • C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
    • C08K3/24—Acids; Salts thereof
    • C08K3/26—Carbonates; Bicarbonates
    • C08K2003/265—Calcium, strontium or barium carbonate
    • 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
    • C08K9/00—Use of pretreated ingredients
    • C08K9/04—Ingredients treated with organic substances
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2205/00—Polymer mixtures characterised by other features
    • C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
    • C08L2205/025—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group containing two or more polymers of the same hierarchy C08L, and differing only in parameters such as density, comonomer content, molecular weight, structure
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2205/00—Polymer mixtures characterised by other features
    • C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2207/00—Properties characterising the ingredient of the composition
    • C08L2207/06—Properties of polyethylene
    • C08L2207/062—HDPE

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Mechanical Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Environmental & Geological Engineering (AREA)
  • Dispersion Chemistry (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Manufacture Of Macromolecular Shaped Articles (AREA)
  • Injection Moulding Of Plastics Or The Like (AREA)
JP2018559930A 2016-05-13 2017-05-12 射出成形により物品を製造する方法、ポリマー樹脂における相溶化剤の使用、およびポリマー樹脂 Active JP7171441B2 (ja)

Applications Claiming Priority (7)

Application Number Priority Date Filing Date Title
GBGB1608480.8A GB201608480D0 (en) 2016-05-13 2016-05-13 Resin composition and article
GB1608480.8 2016-05-13
GB1616914.6 2016-10-05
GBGB1616913.8A GB201616913D0 (en) 2016-05-13 2016-10-05 Resin composition and article
GB1616913.8 2016-10-05
GBGB1616914.6A GB201616914D0 (en) 2016-10-05 2016-10-05 Resin composition
PCT/GB2017/051340 WO2017194969A1 (en) 2016-05-13 2017-05-12 Method of manufacturing an article by injection moulding, use of a compatibilizer in a polymer resin, and polymer resin

Publications (3)

Publication Number Publication Date
JP2019518111A JP2019518111A (ja) 2019-06-27
JP2019518111A5 JP2019518111A5 (enExample) 2020-06-25
JP7171441B2 true JP7171441B2 (ja) 2022-11-15

Family

ID=60266464

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2018559930A Active JP7171441B2 (ja) 2016-05-13 2017-05-12 射出成形により物品を製造する方法、ポリマー樹脂における相溶化剤の使用、およびポリマー樹脂

Country Status (10)

Country Link
US (1) US20190291301A1 (enExample)
EP (1) EP3455046B1 (enExample)
JP (1) JP7171441B2 (enExample)
KR (1) KR102342266B1 (enExample)
CN (1) CN109070411B (enExample)
AU (1) AU2017264834A1 (enExample)
BR (1) BR112018070973A2 (enExample)
ES (1) ES2863325T3 (enExample)
PL (1) PL3455046T3 (enExample)
WO (1) WO2017194969A1 (enExample)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9229901B1 (en) * 2012-06-08 2016-01-05 Google Inc. Single-sided distributed storage system
ES2924045T3 (es) 2018-05-24 2022-10-04 Totalenergies One Tech Belgium Procedimiento para producir composición a base de polipropileno a partir de resinas posconsumo y artículos hechos a partir de dichas composiciones
US20230365812A1 (en) 2020-10-05 2023-11-16 Omya International Ag Kit comprising surface-treated calcium carbonate and a peroxide agent for improving the mechanical properties of polyethylene/polypropylene compositions
BR112023003343A2 (pt) 2020-10-05 2023-04-04 Omya Int Ag Composição de polímero com carga, processo para a produção de uma composição de polímero com carga, uso de um material de carga, e, artigo
KR20240165453A (ko) 2022-03-31 2024-11-22 옴야 인터내셔널 아게 열가소성 중합체 조성물의 기계적 특성을 개선시키기 위한 탄산칼슘
EP4265677A1 (en) * 2022-04-20 2023-10-25 Kraton Polymers Nederland B.V. Recycled polymer compositions
EP4265678B1 (en) * 2022-04-22 2025-07-09 Kraton Polymers Nederland B.V. Hydrogenated styrenic block copolymers and compositions thereof
WO2024162648A1 (ko) * 2023-01-31 2024-08-08 삼성전자 주식회사 전자 장치를 위한 하우징 및 이를 가지는 전자 장치

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006077144A (ja) 2004-09-10 2006-03-23 Gifu Prefecture Kenkyu Kaihatsu Zaidan 廃棄プラスチックを利用した射出成形用材料、その製造方法、及びこの射出成形用材料を利用した成形品の製造方法
JP2014523462A (ja) 2011-06-20 2014-09-11 イメリーズ ミネラルズ リミテッド 再生ポリマー廃棄物に関連する方法および組成物

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6397654A (ja) * 1986-10-14 1988-04-28 Chisso Corp タルク含有ポリプロピレン樹脂組成物
GB8917560D0 (en) 1989-08-01 1989-09-13 Bp Chem Int Ltd Coating compositions
JPH0598122A (ja) * 1991-10-09 1993-04-20 Mitsui Toatsu Chem Inc ポリプロピレン樹脂組成物
JP3111625B2 (ja) * 1992-04-30 2000-11-27 住友化学工業株式会社 リサイクル性が改良された樹脂組成物
BR9307108A (pt) * 1992-09-25 1999-05-25 Ciba Sc Holding Ag Processo para estabilização de misturas estabilizantes para misturas de plásticos reciclados
JPH08199027A (ja) * 1995-01-25 1996-08-06 Daicel Chem Ind Ltd 艶消し特性に優れたゴム変性スチレン系樹脂組成物
WO2003087215A1 (en) 2002-04-12 2003-10-23 Mba Polymers, Inc. Compositions of materials containing recycled plastics
EP2159041B1 (en) * 2003-01-16 2020-07-15 Viva Healthcare Packaging Limited Methods, compositions and blends for forming articles having improved environmental stress crack resistance
CN101210087A (zh) 2006-12-31 2008-07-02 中国石油化工股份有限公司 一种纳米碳酸钙聚丙烯复合材料
ATE512196T1 (de) 2009-06-22 2011-06-15 Borealis Ag Heterophasische polypropylen- copolymerzusammensetzung
US20110105667A1 (en) 2009-10-30 2011-05-05 Chris Brenner Polyolefin composition
EP2744854A1 (en) * 2011-08-16 2014-06-25 MBA Polymers, Inc. Control of the melt flow rate of polyolefin mixtures recovered from post-consumer durable goods
CN103601972B (zh) 2013-10-31 2016-03-09 天津美亚化工有限公司 一种解决铝粉在注塑中易产生虎皮纹的配方
CN106687519B (zh) * 2014-09-09 2020-07-10 伊梅里斯矿物有限公司 聚合物组合物
GB201416456D0 (en) * 2014-09-17 2014-10-29 Imerys Minerals Ltd Polymeric compositions

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006077144A (ja) 2004-09-10 2006-03-23 Gifu Prefecture Kenkyu Kaihatsu Zaidan 廃棄プラスチックを利用した射出成形用材料、その製造方法、及びこの射出成形用材料を利用した成形品の製造方法
JP2014523462A (ja) 2011-06-20 2014-09-11 イメリーズ ミネラルズ リミテッド 再生ポリマー廃棄物に関連する方法および組成物

Also Published As

Publication number Publication date
WO2017194969A1 (en) 2017-11-16
BR112018070973A2 (pt) 2019-01-29
PL3455046T3 (pl) 2021-10-25
KR20190009312A (ko) 2019-01-28
KR102342266B1 (ko) 2021-12-22
CN109070411A (zh) 2018-12-21
EP3455046B1 (en) 2020-12-09
CN109070411B (zh) 2022-06-24
ES2863325T3 (es) 2021-10-11
EP3455046A1 (en) 2019-03-20
US20190291301A1 (en) 2019-09-26
AU2017264834A1 (en) 2018-10-25
JP2019518111A (ja) 2019-06-27

Similar Documents

Publication Publication Date Title
JP7171441B2 (ja) 射出成形により物品を製造する方法、ポリマー樹脂における相溶化剤の使用、およびポリマー樹脂
EP3194491B1 (en) Polymer compositions
US10336891B2 (en) Methods and compositions related to recycling polymer waste
AU2017263158A1 (en) Resin composition and article
KR20180070544A (ko) 폴리머 블렌드

Legal Events

Date Code Title Description
A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20200511

A621 Written request for application examination

Free format text: JAPANESE INTERMEDIATE CODE: A621

Effective date: 20200511

A977 Report on retrieval

Free format text: JAPANESE INTERMEDIATE CODE: A971007

Effective date: 20210621

A131 Notification of reasons for refusal

Free format text: JAPANESE INTERMEDIATE CODE: A131

Effective date: 20210628

A601 Written request for extension of time

Free format text: JAPANESE INTERMEDIATE CODE: A601

Effective date: 20210927

A601 Written request for extension of time

Free format text: JAPANESE INTERMEDIATE CODE: A601

Effective date: 20211126

A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20211227

A131 Notification of reasons for refusal

Free format text: JAPANESE INTERMEDIATE CODE: A131

Effective date: 20220202

A601 Written request for extension of time

Free format text: JAPANESE INTERMEDIATE CODE: A601

Effective date: 20220421

TRDD Decision of grant or rejection written
A01 Written decision to grant a patent or to grant a registration (utility model)

Free format text: JAPANESE INTERMEDIATE CODE: A01

Effective date: 20221003

A61 First payment of annual fees (during grant procedure)

Free format text: JAPANESE INTERMEDIATE CODE: A61

Effective date: 20221102

R150 Certificate of patent or registration of utility model

Ref document number: 7171441

Country of ref document: JP

Free format text: JAPANESE INTERMEDIATE CODE: R150