KR910012224A - 세정용 수지 조성물 - Google Patents
세정용 수지 조성물 Download PDFInfo
- Publication number
- KR910012224A KR910012224A KR1019900020075A KR900020075A KR910012224A KR 910012224 A KR910012224 A KR 910012224A KR 1019900020075 A KR1019900020075 A KR 1019900020075A KR 900020075 A KR900020075 A KR 900020075A KR 910012224 A KR910012224 A KR 910012224A
- Authority
- KR
- South Korea
- Prior art keywords
- resin
- resin composition
- washing
- weight percent
- polystyrene
- Prior art date
Links
- 239000011342 resin composition Substances 0.000 title claims 5
- 238000005406 washing Methods 0.000 title claims 4
- 229920005989 resin Polymers 0.000 claims 4
- 239000011347 resin Substances 0.000 claims 4
- 229920005990 polystyrene resin Polymers 0.000 claims 3
- LSNNMFCWUKXFEE-UHFFFAOYSA-M Bisulfite Chemical compound OS([O-])=O LSNNMFCWUKXFEE-UHFFFAOYSA-M 0.000 claims 2
- 125000000217 alkyl group Chemical group 0.000 claims 2
- 125000004432 carbon atom Chemical group C* 0.000 claims 2
- 238000004140 cleaning Methods 0.000 claims 2
- 230000007935 neutral effect Effects 0.000 claims 2
- 150000003839 salts Chemical class 0.000 claims 2
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 claims 1
- BVKZGUZCCUSVTD-UHFFFAOYSA-L Carbonate Chemical compound [O-]C([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-L 0.000 claims 1
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 claims 1
- 239000004793 Polystyrene Substances 0.000 claims 1
- 239000002253 acid Substances 0.000 claims 1
- XECAHXYUAAWDEL-UHFFFAOYSA-N acrylonitrile butadiene styrene Chemical compound C=CC=C.C=CC#N.C=CC1=CC=CC=C1 XECAHXYUAAWDEL-UHFFFAOYSA-N 0.000 claims 1
- 229920000122 acrylonitrile butadiene styrene Polymers 0.000 claims 1
- 239000004676 acrylonitrile butadiene styrene Substances 0.000 claims 1
- 229920001893 acrylonitrile styrene Polymers 0.000 claims 1
- WNROFYMDJYEPJX-UHFFFAOYSA-K aluminium hydroxide Chemical compound [OH-].[OH-].[OH-].[Al+3] WNROFYMDJYEPJX-UHFFFAOYSA-K 0.000 claims 1
- 229940118662 aluminum carbonate Drugs 0.000 claims 1
- WWNGFHNQODFIEX-UHFFFAOYSA-N buta-1,3-diene;methyl 2-methylprop-2-enoate;styrene Chemical compound C=CC=C.COC(=O)C(C)=C.C=CC1=CC=CC=C1 WWNGFHNQODFIEX-UHFFFAOYSA-N 0.000 claims 1
- 239000011575 calcium Substances 0.000 claims 1
- 229910052791 calcium Inorganic materials 0.000 claims 1
- 238000004898 kneading Methods 0.000 claims 1
- ZLNQQNXFFQJAID-UHFFFAOYSA-L magnesium carbonate Chemical compound [Mg+2].[O-]C([O-])=O ZLNQQNXFFQJAID-UHFFFAOYSA-L 0.000 claims 1
- 239000001095 magnesium carbonate Substances 0.000 claims 1
- 229910000021 magnesium carbonate Inorganic materials 0.000 claims 1
- VTHJTEIRLNZDEV-UHFFFAOYSA-L magnesium dihydroxide Chemical compound [OH-].[OH-].[Mg+2] VTHJTEIRLNZDEV-UHFFFAOYSA-L 0.000 claims 1
- 239000000347 magnesium hydroxide Substances 0.000 claims 1
- 229910001862 magnesium hydroxide Inorganic materials 0.000 claims 1
- 159000000003 magnesium salts Chemical class 0.000 claims 1
- 238000002844 melting Methods 0.000 claims 1
- 230000008018 melting Effects 0.000 claims 1
- ADFPJHOAARPYLP-UHFFFAOYSA-N methyl 2-methylprop-2-enoate;styrene Chemical compound COC(=O)C(C)=C.C=CC1=CC=CC=C1 ADFPJHOAARPYLP-UHFFFAOYSA-N 0.000 claims 1
- 239000000203 mixture Substances 0.000 claims 1
- 239000008188 pellet Substances 0.000 claims 1
- 229920003229 poly(methyl methacrylate) Polymers 0.000 claims 1
- 239000004926 polymethyl methacrylate Substances 0.000 claims 1
- 229920002223 polystyrene Polymers 0.000 claims 1
- SCUZVMOVTVSBLE-UHFFFAOYSA-N prop-2-enenitrile;styrene Chemical compound C=CC#N.C=CC1=CC=CC=C1 SCUZVMOVTVSBLE-UHFFFAOYSA-N 0.000 claims 1
- 229910052708 sodium Inorganic materials 0.000 claims 1
- 239000011734 sodium Substances 0.000 claims 1
- 159000000000 sodium salts Chemical class 0.000 claims 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
- C11D3/00—Other compounding ingredients of detergent compositions covered in group C11D1/00
- C11D3/16—Organic compounds
- C11D3/37—Polymers
- C11D3/3746—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
- C11D3/3757—(Co)polymerised carboxylic acids, -anhydrides, -esters in solid and liquid compositions
- C11D3/3761—(Co)polymerised carboxylic acids, -anhydrides, -esters in solid and liquid compositions in solid compositions
-
- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
- C11D15/00—Manufacture of resin soap or soaps derived from naphthenic acids; Compositions
- C11D15/04—Compositions containing resin soap or soap derived from naphthenic acids
-
- 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
- B29C33/00—Moulds or cores; Details thereof or accessories therefor
- B29C33/70—Maintenance
- B29C33/72—Cleaning
- B29C33/722—Compositions for cleaning 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
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/27—Cleaning; Purging; Avoiding contamination
-
- 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
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
-
- 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
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K5/00—Use of organic ingredients
- C08K5/36—Sulfur-, selenium-, or tellurium-containing compounds
- C08K5/41—Compounds containing sulfur bound to oxygen
- C08K5/42—Sulfonic acids; Derivatives thereof
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L25/00—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 aromatic carbocyclic ring; Compositions of derivatives of such polymers
- C08L25/02—Homopolymers or copolymers of hydrocarbons
- C08L25/04—Homopolymers or copolymers of styrene
-
- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
- C11D1/00—Detergent compositions based essentially on surface-active compounds; Use of these compounds as a detergent
- C11D1/02—Anionic compounds
- C11D1/12—Sulfonic acids or sulfuric acid esters; Salts thereof
- C11D1/22—Sulfonic acids or sulfuric acid esters; Salts thereof derived from aromatic compounds
-
- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
- C11D3/00—Other compounding ingredients of detergent compositions covered in group C11D1/00
- C11D3/02—Inorganic compounds ; Elemental compounds
- C11D3/12—Water-insoluble compounds
- C11D3/1213—Oxides or hydroxides, e.g. Al2O3, TiO2, CaO or Ca(OH)2
-
- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
- C11D3/00—Other compounding ingredients of detergent compositions covered in group C11D1/00
- C11D3/02—Inorganic compounds ; Elemental compounds
- C11D3/12—Water-insoluble compounds
- C11D3/1233—Carbonates, e.g. calcite or dolomite
-
- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
- C11D3/00—Other compounding ingredients of detergent compositions covered in group C11D1/00
- C11D3/16—Organic compounds
- C11D3/37—Polymers
-
- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
- C11D3/00—Other compounding ingredients of detergent compositions covered in group C11D1/00
- C11D3/16—Organic compounds
- C11D3/37—Polymers
- C11D3/3746—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
- C11D3/3749—Polyolefins; Halogenated polyolefins; Natural or synthetic rubber; Polyarylolefins or halogenated polyarylolefins
-
- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
- C11D7/00—Compositions of detergents based essentially on non-surface-active compounds
- C11D7/02—Inorganic compounds
- C11D7/04—Water-soluble compounds
- C11D7/06—Hydroxides
-
- 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
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
- B29C48/04—Particle-shaped
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L33/00—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides or nitriles thereof; Compositions of derivatives of such polymers
- C08L33/04—Homopolymers or copolymers of esters
- C08L33/06—Homopolymers or copolymers of esters of esters containing only carbon, hydrogen and oxygen, which oxygen atoms are present only as part of the carboxyl radical
- C08L33/10—Homopolymers or copolymers of methacrylic acid esters
- C08L33/12—Homopolymers or copolymers of methyl methacrylate
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Wood Science & Technology (AREA)
- Health & Medical Sciences (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Inorganic Chemistry (AREA)
- Mechanical Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Detergent Compositions (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
Description
Claims (4)
- 폴리스티렌 수지 50 내지 95중량%, 폴리메틸 메타크릴레이트 0.1 내지 15중량 %, 설폰산의 중성염 2 내지 30중량% 및 염기성 탄산 마그네슘, 수산화 마그네슘, 수산화 알루미늄, 탄산 아염 또는 이들의 혼합물 0.1 내지 10중량을 혼합시켜 제조한 세정용 수지 조성물.
- 제1항에 있어서, 폴리스티렌 수지가 폴리스티렌, 아크릴로니트릴-스티렌 수지, 아크릴로니트릴-부타디엔-스티렌 수지, 메틸 메타크릴레이트-스티렌 수지 및 메틸 메타크릴레이트-부타디엔-스티렌 수지로 이루어지는 그룹중에서 선택된 하나 이상인 세정용 수지 조성물.
- 제1항에 있어서, 설폰산의 중성염이 알킬 그룹의 탄소수가 10 내지 18인 알킬벤젠설폰산의 나트륨, 칼슘 또는 마그네슘염 또는 알킬 그룹의 탄소수가 10 내지 18인 알킬메틸피우린의 나트륨염인 세정용 수지 조성물.
- 제1항에 있어서, 용융 혼련하여 펠릿 형태로 성형시켜 수득한 세정용 수지 조성물.※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1322435A JPH0768552B2 (ja) | 1989-12-12 | 1989-12-12 | 洗浄用樹脂組成物 |
JP1-322435 | 1989-12-12 | ||
JP?1-322,435 | 1989-12-12 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR910012224A true KR910012224A (ko) | 1991-08-07 |
KR930000423B1 KR930000423B1 (ko) | 1993-01-21 |
Family
ID=18143641
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1019900020075A KR930000423B1 (ko) | 1989-12-12 | 1990-12-07 | 세정용 수지 조성물 |
Country Status (7)
Country | Link |
---|---|
US (1) | US5108645A (ko) |
EP (1) | EP0432585B1 (ko) |
JP (1) | JPH0768552B2 (ko) |
KR (1) | KR930000423B1 (ko) |
CA (1) | CA2031155C (ko) |
DE (1) | DE69029925T2 (ko) |
SG (1) | SG48865A1 (ko) |
Families Citing this family (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE4012798C1 (ko) * | 1990-04-21 | 1991-08-14 | Bayer Ag, 5090 Leverkusen, De | |
JPH04246443A (ja) * | 1991-01-31 | 1992-09-02 | Chisso Corp | 洗浄用組成物 |
JP2811380B2 (ja) * | 1991-10-07 | 1998-10-15 | チッソ株式会社 | 洗浄用樹脂組成物 |
EP0548422B1 (en) * | 1991-12-23 | 1997-07-16 | MITSUI TOATSU CHEMICALS, Inc. | Cleaning molding machines |
DE19528469A1 (de) * | 1995-08-03 | 1997-02-06 | Winter Kunststoff Heinr J | Reinigungsmittel für Kunststoff-Verarbeitungsmaschinen sowie Verfahren zur Herstellung eines solchen Reinigungsmittels |
US5958313A (en) * | 1996-04-11 | 1999-09-28 | Nippon Gohsei Kagaku Kogyo Kabushiki Kaisha | Purging agent |
JP3874487B2 (ja) | 1997-04-02 | 2007-01-31 | チッソ株式会社 | 熱可塑性樹脂用成形機内の洗浄に使用する洗浄用熱可塑性樹脂組成物 |
US6248143B1 (en) * | 1998-01-27 | 2001-06-19 | Showa Denko Kabushiki Kaisha | Composition for polishing glass and polishing method |
US6277809B1 (en) * | 1998-03-24 | 2001-08-21 | Kenjiro Obama | Resin granule for washing, method for producing the same, and method for washing resin molder using the same |
DE19829785A1 (de) | 1998-07-03 | 2000-01-05 | Henkel Kgaa | Verwendung |
CN1289650C (zh) * | 2001-04-20 | 2006-12-13 | 荷兰联合利华有限公司 | 改进的条状洗涤剂组合物 |
US20030221707A1 (en) * | 2002-05-28 | 2003-12-04 | Eastman Kodak Company | Layered inorganic particles as extruder purge materials |
US20110094540A1 (en) * | 2009-10-26 | 2011-04-28 | E. I. Du Pont De Nemours And Company | Starch purging material |
CN102618401B (zh) * | 2012-03-08 | 2014-07-09 | 杭州金州高分子科技有限公司 | 一种双螺杆高效环保造粒颗粒清洗剂及其生产方法 |
FR3038612B1 (fr) * | 2015-07-09 | 2020-03-27 | Arkema France | Composition polymere, son procede de preparation et son utilisation |
FR3038611B1 (fr) * | 2015-07-09 | 2020-01-31 | Arkema France | Composition de polymeres contenant une charge, son procede de preparation et son utilisation |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5720998B2 (ko) * | 1974-01-16 | 1982-05-04 | ||
JPS58149998A (ja) * | 1982-03-02 | 1983-09-06 | 東洋インキ製造株式会社 | 洗浄用組成物 |
JPS58193128A (ja) * | 1982-05-06 | 1983-11-10 | Matsushita Electric Works Ltd | 押出成形用金型の清掃方法 |
JPH0624724B2 (ja) * | 1986-02-20 | 1994-04-06 | チッソ株式会社 | 溶融混練装置洗浄用の熱可塑性樹脂組成物 |
JPH0788520B2 (ja) * | 1986-09-08 | 1995-09-27 | チッソ株式会社 | 熱可塑性樹脂組成物 |
KR940009003B1 (ko) * | 1986-02-20 | 1994-09-28 | 짓소 가부시끼가이샤 | 세척용 열가소성 수지 조성물 |
JPS62288605A (ja) * | 1986-06-06 | 1987-12-15 | Kanegafuchi Chem Ind Co Ltd | 重合器内部の洗浄方法 |
US4904309A (en) * | 1986-06-06 | 1990-02-27 | Kanegafuchi Chemical Industry Co., Ltd. | Chemical cleaning method of the interior of polymerization reactor |
US4838948A (en) * | 1987-07-27 | 1989-06-13 | Phillips Petroleum Company | Process for cleaning polymer processing equipment |
JPH01234445A (ja) * | 1988-03-12 | 1989-09-19 | Chisso Corp | 洗浄用樹脂組成物 |
-
1989
- 1989-12-12 JP JP1322435A patent/JPH0768552B2/ja not_active Expired - Lifetime
-
1990
- 1990-11-29 DE DE69029925T patent/DE69029925T2/de not_active Expired - Fee Related
- 1990-11-29 CA CA002031155A patent/CA2031155C/en not_active Expired - Fee Related
- 1990-11-29 SG SG1996003176A patent/SG48865A1/en unknown
- 1990-11-29 EP EP90122841A patent/EP0432585B1/en not_active Expired - Lifetime
- 1990-12-03 US US07/620,832 patent/US5108645A/en not_active Expired - Lifetime
- 1990-12-07 KR KR1019900020075A patent/KR930000423B1/ko not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
EP0432585B1 (en) | 1997-02-12 |
JPH03182535A (ja) | 1991-08-08 |
DE69029925D1 (de) | 1997-03-27 |
EP0432585A2 (en) | 1991-06-19 |
DE69029925T2 (de) | 1997-06-26 |
US5108645A (en) | 1992-04-28 |
KR930000423B1 (ko) | 1993-01-21 |
EP0432585A3 (en) | 1991-11-27 |
SG48865A1 (en) | 1998-05-18 |
CA2031155C (en) | 1995-02-07 |
JPH0768552B2 (ja) | 1995-07-26 |
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