KR840001187A - 방향족 폴리아미드로 된 단섬유의 제조방법 - Google Patents
방향족 폴리아미드로 된 단섬유의 제조방법 Download PDFInfo
- Publication number
- KR840001187A KR840001187A KR1019820003897A KR820003897A KR840001187A KR 840001187 A KR840001187 A KR 840001187A KR 1019820003897 A KR1019820003897 A KR 1019820003897A KR 820003897 A KR820003897 A KR 820003897A KR 840001187 A KR840001187 A KR 840001187A
- Authority
- KR
- South Korea
- Prior art keywords
- short fibers
- tertiary amine
- amine solvent
- process according
- pyridine
- Prior art date
Links
- 239000000835 fiber Substances 0.000 title claims 5
- 238000004519 manufacturing process Methods 0.000 title claims 4
- 239000004760 aramid Substances 0.000 title 1
- 229920003235 aromatic polyamide Polymers 0.000 title 1
- JUJWROOIHBZHMG-UHFFFAOYSA-N Pyridine Chemical compound C1=CC=NC=C1 JUJWROOIHBZHMG-UHFFFAOYSA-N 0.000 claims 6
- 239000002904 solvent Substances 0.000 claims 4
- 238000000034 method Methods 0.000 claims 3
- UMJSCPRVCHMLSP-UHFFFAOYSA-N pyridine Natural products COC1=CC=CN=C1 UMJSCPRVCHMLSP-UHFFFAOYSA-N 0.000 claims 3
- 150000003512 tertiary amines Chemical class 0.000 claims 3
- KWGKDLIKAYFUFQ-UHFFFAOYSA-M lithium chloride Chemical compound [Li+].[Cl-] KWGKDLIKAYFUFQ-UHFFFAOYSA-M 0.000 claims 2
- 229910001507 metal halide Inorganic materials 0.000 claims 2
- 238000003756 stirring Methods 0.000 claims 2
- CBCKQZAAMUWICA-UHFFFAOYSA-N 1,4-phenylenediamine Chemical compound NC1=CC=C(N)C=C1 CBCKQZAAMUWICA-UHFFFAOYSA-N 0.000 claims 1
- ATLYKOUEGIGBCN-UHFFFAOYSA-N 1-ethylpyrrolidin-2-one 1-methylpyrrolidin-2-one Chemical compound C(C)N1C(CCC1)=O.CN1C(CCC1)=O ATLYKOUEGIGBCN-UHFFFAOYSA-N 0.000 claims 1
- BSKHPKMHTQYZBB-UHFFFAOYSA-N 2-methylpyridine Chemical compound CC1=CC=CC=N1 BSKHPKMHTQYZBB-UHFFFAOYSA-N 0.000 claims 1
- XRASRVJYOMVDNP-UHFFFAOYSA-N 4-(7-azabicyclo[4.1.0]hepta-1,3,5-triene-7-carbonyl)benzamide Chemical compound C1=CC(C(=O)N)=CC=C1C(=O)N1C2=CC=CC=C21 XRASRVJYOMVDNP-UHFFFAOYSA-N 0.000 claims 1
- UXVMQQNJUSDDNG-UHFFFAOYSA-L Calcium chloride Chemical compound [Cl-].[Cl-].[Ca+2] UXVMQQNJUSDDNG-UHFFFAOYSA-L 0.000 claims 1
- FXHOOIRPVKKKFG-UHFFFAOYSA-N N,N-Dimethylacetamide Chemical compound CN(C)C(C)=O FXHOOIRPVKKKFG-UHFFFAOYSA-N 0.000 claims 1
- 229910001628 calcium chloride Inorganic materials 0.000 claims 1
- 239000001110 calcium chloride Substances 0.000 claims 1
- -1 polyparaphenylene terephthalamide Polymers 0.000 claims 1
- 238000010008 shearing Methods 0.000 claims 1
- 238000009987 spinning Methods 0.000 claims 1
- LXEJRKJRKIFVNY-UHFFFAOYSA-N terephthaloyl chloride Chemical compound ClC(=O)C1=CC=C(C(Cl)=O)C=C1 LXEJRKJRKIFVNY-UHFFFAOYSA-N 0.000 claims 1
- 125000001302 tertiary amino group Chemical group 0.000 claims 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G69/00—Macromolecular compounds obtained by reactions forming a carboxylic amide link in the main chain of the macromolecule
- C08G69/02—Polyamides derived from amino-carboxylic acids or from polyamines and polycarboxylic acids
- C08G69/08—Polyamides derived from amino-carboxylic acids or from polyamines and polycarboxylic acids derived from amino-carboxylic acids
- C08G69/14—Lactams
- C08G69/16—Preparatory processes
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01D—MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
- D01D5/00—Formation of filaments, threads, or the like
- D01D5/26—Formation of staple fibres
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G69/00—Macromolecular compounds obtained by reactions forming a carboxylic amide link in the main chain of the macromolecule
- C08G69/02—Polyamides derived from amino-carboxylic acids or from polyamines and polycarboxylic acids
- C08G69/26—Polyamides derived from amino-carboxylic acids or from polyamines and polycarboxylic acids derived from polyamines and polycarboxylic acids
- C08G69/32—Polyamides derived from amino-carboxylic acids or from polyamines and polycarboxylic acids derived from polyamines and polycarboxylic acids from aromatic diamines and aromatic dicarboxylic acids with both amino and carboxylic groups aromatically bound
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01D—MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
- D01D5/00—Formation of filaments, threads, or the like
- D01D5/38—Formation of filaments, threads, or the like during polymerisation
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
- D01F6/00—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof
- D01F6/58—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from homopolycondensation products
- D01F6/60—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from homopolycondensation products from polyamides
- D01F6/605—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from homopolycondensation products from polyamides from aromatic polyamides
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H13/00—Pulp or paper, comprising synthetic cellulose or non-cellulose fibres or web-forming material
- D21H13/10—Organic non-cellulose fibres
- D21H13/20—Organic non-cellulose fibres from macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- D21H13/26—Polyamides; Polyimides
-
- 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
- Y10T428/2904—Staple length fiber
-
- 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
- Y10T428/2913—Rod, strand, filament or fiber
-
- 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
- Y10T428/2913—Rod, strand, filament or fiber
- Y10T428/2973—Particular cross section
-
- 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
- Y10T428/2913—Rod, strand, filament or fiber
- Y10T428/2973—Particular cross section
- Y10T428/2976—Longitudinally varying
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Textile Engineering (AREA)
- Mechanical Engineering (AREA)
- Health & Medical Sciences (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Artificial Filaments (AREA)
- Polyamides (AREA)
- Paper (AREA)
Abstract
내용 없음
Description
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
Claims (6)
- 파라-페닐렌디아민 또는 N,N'-비스-4-아미노페닐 테레프탈아미드와 테레프탈산 클로라이드를 3급 아민용매와 금속 할로겐염 및 피리딘계 존재하에 반응시켜 고유점도(Ⅰ.V)가 5.0 이상인 폴리파라페닐렌테레프탈아미드 섬유속을 방사하지 않고 직접 단섬유로 제조하는 방법.
- 제1항에 있어서, 3급 아민용매가 디메틸아세트아미드, 메틸피롤리돈 에틸피롤리돈 또는 헥사메틸포스포아미드 중에서 한가지 이상으로 이루어진 제조 방법.
- 제1항에 있어서, 금속 할로겐염이 3급 아민용매에 대하여 2-6무게%의 염화리튬 또는 염화칼슘으로 이루어진 제조방법.
- 제1항에 있어서, 피리딘계가 3급 아민용매에 대하여 7-15부피 %의 피리딘 또는 피콜린으로 이루어진 제조방법.
- 단 섬유를 제조함에 있어서, 기계적 시어링은 교반날개의 끝 선 속소가 170cm/sec이상의 교반 속도를 말하며, 튜브를 통과하여 저속에서 고속으로 변할때의 통과선속도가 170-500cm/sec로 통과하여 섬유장의 길이가 2-30mm, 섬도가 0.1-3denier인 폴리파라 페닐렌테레프탈 아미드 단섬유의 제조방법.
- ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR8203897A KR840000726B1 (ko) | 1982-08-30 | 1982-08-30 | 방향족 폴리아미드로 된 단섬유의 제조방법 |
US06/523,780 US4511623A (en) | 1982-08-30 | 1983-08-16 | Highly oriented aromatic polyamide short fiber |
EP83108182A EP0104410B2 (en) | 1982-08-30 | 1983-08-18 | Highly oriented aromatic polyamide short fiber |
DE198383108182T DE104410T1 (de) | 1982-08-30 | 1983-08-18 | Hochorientierte kurzfasern aus aromatischen polyamiden. |
DE8383108182T DE3367788D1 (en) | 1982-08-30 | 1983-08-18 | Highly oriented aromatic polyamide short fiber |
JP58158944A JPS6056801B2 (ja) | 1982-08-30 | 1983-08-30 | ポリ(p−フエニレンテレフタルアミド)のパルプ状短繊維 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR8203897A KR840000726B1 (ko) | 1982-08-30 | 1982-08-30 | 방향족 폴리아미드로 된 단섬유의 제조방법 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR840001187A true KR840001187A (ko) | 1984-03-28 |
KR840000726B1 KR840000726B1 (ko) | 1984-05-24 |
Family
ID=19225474
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR8203897A KR840000726B1 (ko) | 1982-08-30 | 1982-08-30 | 방향족 폴리아미드로 된 단섬유의 제조방법 |
Country Status (5)
Country | Link |
---|---|
US (1) | US4511623A (ko) |
EP (1) | EP0104410B2 (ko) |
JP (1) | JPS6056801B2 (ko) |
KR (1) | KR840000726B1 (ko) |
DE (2) | DE104410T1 (ko) |
Families Citing this family (36)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4752514A (en) * | 1986-05-06 | 1988-06-21 | E. I. Du Pont De Nemours And Company | Cellular fiber with collapsed cells at bends |
US4876040A (en) * | 1986-05-15 | 1989-10-24 | Kolon Industries, Inc. | Two-stage process for preparing aromatic polyamide fiber |
US5104599A (en) * | 1987-03-05 | 1992-04-14 | Allied-Signal Inc. | Method of forming short fibers composed of anisotropic polymers |
JPH086276B2 (ja) * | 1987-06-18 | 1996-01-24 | 三菱製紙株式会社 | 絶縁用プレスボ−ド |
ES2032297T3 (es) * | 1987-11-16 | 1993-02-01 | Kolon Industries Inc. | Procedimiento de preparacion de fibras y pelicula de poliamida aromatica. |
US5227457A (en) * | 1988-02-17 | 1993-07-13 | Maxdem Incorporated | Rigid-rod polymers |
US5565543A (en) * | 1988-02-17 | 1996-10-15 | Maxdem Incorporated | Rigid-rod polymers |
US5654392A (en) * | 1988-02-17 | 1997-08-05 | Maxdem Incorporated | Rigid-rod polymers |
US5646231A (en) * | 1988-02-17 | 1997-07-08 | Maxdem, Incorporated | Rigid-rod polymers |
US5028372A (en) * | 1988-06-30 | 1991-07-02 | E. I. Du Pont De Nemours And Company | Method for producing para-aramid pulp |
US4959453A (en) * | 1989-04-03 | 1990-09-25 | E. I. Du Pont De Nemours And Company | Process for the preparation of a poly(paraphenylene terephthalamide)fibrous gel composition and a process to produce poly(paraphenylene terephthalamide) paper from the composition |
US5021123A (en) * | 1989-04-03 | 1991-06-04 | E. I. Du Pont De Nemours And Company | Process for producing paper from a poly(paraphenylene terephthalamide) fibrous gel |
RU2096537C1 (ru) * | 1989-06-28 | 1997-11-20 | Мишлэн Решерш Э Текник | Монофиламент из ароматического полиамида и способ его получения |
US5302451A (en) * | 1989-11-09 | 1994-04-12 | E. I. Du Pont De Nemours And Company | Fibers of sulfonated poly(p-phenylene terephthalmide) |
US5171827A (en) * | 1990-03-05 | 1992-12-15 | E. I. Du Pont De Nemours And Company | Particulate acicular para-aramide |
US5009820A (en) * | 1990-03-05 | 1991-04-23 | E. I. Du Pont De Nemours And Company | Process of making acicular para-aramide particles |
US5106560A (en) * | 1990-08-09 | 1992-04-21 | E. I. Du Pont De Nemours And Company | Producing para-aramid pulp by means of gravity-induced shear forces |
US5582911A (en) * | 1990-12-27 | 1996-12-10 | Michelin Recherche Et. Technique, S.A. | Aramid monofilament having a slightly structured skin--process for producing this monofilament |
KR950014523B1 (ko) * | 1991-04-29 | 1995-12-05 | 주식회사 코오롱 | 방향족 폴리아미드 펄프 및 그의 제조방법 |
JPH05163610A (ja) * | 1991-12-18 | 1993-06-29 | Teijin Ltd | 芳香族ポリアミド偏平繊維 |
US6418556B1 (en) * | 1993-09-09 | 2002-07-09 | United Video Properties, Inc. | Electronic television program guide schedule system and method |
KR960011601B1 (en) * | 1994-05-25 | 1996-08-24 | Sunkyong Ind Ltd | Poly(vinyl alcohol)short fiber and its preparative method |
GB2291426B (en) * | 1994-07-19 | 1998-05-06 | Sumitomo Chemical Co | Epoxy resin composition process for producing the same and resin-sealed semiconductor device |
US5532059A (en) * | 1994-09-29 | 1996-07-02 | E. I. Du Pont De Nemours And Company | Poly(p-phenylene terephthalamide) pulp |
KR100391973B1 (ko) * | 1996-06-14 | 2003-11-17 | 주식회사 코오롱 | 방향족폴리아미드펄프및그의연속적인제조방법 |
KR100391974B1 (ko) * | 1996-06-14 | 2003-11-28 | 주식회사 코오롱 | 방향족폴리아미드펄프,그의제조방법및그의제조용리파이너디스크 |
WO1998013548A1 (en) * | 1996-09-24 | 1998-04-02 | Kolon Industries, Inc. | Para-fully aromatic polyamide pulp, its preparing process and its preparing equipment |
JP2001049593A (ja) * | 1999-07-22 | 2001-02-20 | E I Du Pont De Nemours & Co | 全芳香族合成繊維からなる繊維紙及びその製造方法及び積層板 |
IL155787A0 (en) * | 2000-11-20 | 2003-12-23 | 3M Innovative Properties Co | Fiber-forming process |
PT1631707E (pt) * | 2003-05-08 | 2011-12-26 | Teijin Aramid Bv | Solução polimérica não fibrosa de para-aramida com elevada viscosidade relativa |
US9217210B2 (en) | 2009-03-24 | 2015-12-22 | North Carolina State University | Process of making composite inorganic/polymer nanofibers |
US8551378B2 (en) * | 2009-03-24 | 2013-10-08 | North Carolina State University | Nanospinning of polymer fibers from sheared solutions |
US9217211B2 (en) | 2009-03-24 | 2015-12-22 | North Carolina State University | Method for fabricating nanofibers |
CN102040733B (zh) * | 2010-11-12 | 2012-07-18 | 常州大学 | 一种制备聚对苯二甲酰对苯二胺树脂的方法 |
ES2657756T3 (es) * | 2011-10-18 | 2018-03-06 | Heiq Pty Ltd | Proceso de formación de fibra y fibras producidas por medio del proceso |
CN111574708A (zh) * | 2020-06-05 | 2020-08-25 | 华北理工大学 | 一种芳香族聚酰胺晶须的制备方法 |
Family Cites Families (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3133138A (en) * | 1958-12-19 | 1964-05-12 | Du Pont | Stretching and heat crystallization of poly(meta-phenylene isophthalamide) fibers |
US3671542A (en) * | 1966-06-13 | 1972-06-20 | Du Pont | Optically anisotropic aromatic polyamide dopes |
US3891610A (en) * | 1969-11-06 | 1975-06-24 | Crown Zellerbach Corp | Polyolefin fibers and process of formation during polymerization |
US3869430A (en) * | 1971-08-17 | 1975-03-04 | Du Pont | High modulus, high tenacity poly(p-phenylene terephthalamide) fiber |
NL169760C (nl) * | 1972-04-22 | 1982-08-16 | Stamicarbon | Werkwijze voor het bereiden van polymeervezels. |
JPS52124099A (en) * | 1976-04-12 | 1977-10-18 | Teijin Ltd | Production of aromatic polyamide with high degree of polymerization |
JPS52124050A (en) * | 1976-04-12 | 1977-10-18 | Teijin Ltd | Aromatic polyamide solutions and their preparation |
JPS53294A (en) * | 1976-06-23 | 1978-01-05 | Teijin Ltd | Preparation of aromatic polyamide with high degree of polymerization |
JPS5311994A (en) * | 1976-07-19 | 1978-02-02 | Borisobuichi Sokorofu Refu | Method of making ppphenylene terephthalamide polymer |
US4162346A (en) * | 1976-09-23 | 1979-07-24 | Celanese Corporation | High performance wholly aromatic polyamide fibers |
JPS5914569B2 (ja) * | 1976-11-01 | 1984-04-05 | 旭化成株式会社 | パルプ状粒子の製造法 |
JPS601402B2 (ja) * | 1976-12-22 | 1985-01-14 | 旭化成株式会社 | パルプ粒子の製造法 |
JPS6015724B2 (ja) * | 1977-07-29 | 1985-04-22 | 旭化成株式会社 | 芳香族ポリアミド繊維の製造方法 |
JPS5643418A (en) * | 1979-09-10 | 1981-04-22 | Teijin Ltd | Preparation of pulp particle |
-
1982
- 1982-08-30 KR KR8203897A patent/KR840000726B1/ko not_active IP Right Cessation
-
1983
- 1983-08-16 US US06/523,780 patent/US4511623A/en not_active Expired - Lifetime
- 1983-08-18 DE DE198383108182T patent/DE104410T1/de active Pending
- 1983-08-18 DE DE8383108182T patent/DE3367788D1/de not_active Expired
- 1983-08-18 EP EP83108182A patent/EP0104410B2/en not_active Expired - Lifetime
- 1983-08-30 JP JP58158944A patent/JPS6056801B2/ja not_active Expired
Also Published As
Publication number | Publication date |
---|---|
DE104410T1 (de) | 1985-04-25 |
JPS6056801B2 (ja) | 1985-12-12 |
DE3367788D1 (en) | 1987-01-08 |
EP0104410B2 (en) | 1993-06-23 |
EP0104410A2 (en) | 1984-04-04 |
KR840000726B1 (ko) | 1984-05-24 |
EP0104410B1 (en) | 1986-11-20 |
JPS59144609A (ja) | 1984-08-18 |
EP0104410A3 (en) | 1985-03-13 |
US4511623A (en) | 1985-04-16 |
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