KR880003030A - 코우팅 물질용 페놀성 부식방지제 - Google Patents
코우팅 물질용 페놀성 부식방지제 Download PDFInfo
- Publication number
- KR880003030A KR880003030A KR870009362A KR870009362A KR880003030A KR 880003030 A KR880003030 A KR 880003030A KR 870009362 A KR870009362 A KR 870009362A KR 870009362 A KR870009362 A KR 870009362A KR 880003030 A KR880003030 A KR 880003030A
- Authority
- KR
- South Korea
- Prior art keywords
- alkyl
- hydrogen
- coating material
- phenyl
- alkoxy
- Prior art date
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Classifications
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23F—NON-MECHANICAL REMOVAL OF METALLIC MATERIAL FROM SURFACE; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL; MULTI-STEP PROCESSES FOR SURFACE TREATMENT OF METALLIC MATERIAL INVOLVING AT LEAST ONE PROCESS PROVIDED FOR IN CLASS C23 AND AT LEAST ONE PROCESS COVERED BY SUBCLASS C21D OR C22F OR CLASS C25
- C23F11/00—Inhibiting corrosion of metallic material by applying inhibitors to the surface in danger of corrosion or adding them to the corrosive agent
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
- C09D5/08—Anti-corrosive paints
- C09D5/082—Anti-corrosive paints characterised by the anti-corrosive pigment
- C09D5/086—Organic or non-macromolecular compounds
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
- C09D5/08—Anti-corrosive paints
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
- C09D5/44—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes for electrophoretic applications
- C09D5/4488—Cathodic paints
- C09D5/4492—Cathodic paints containing special additives, e.g. grinding agents
-
- 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
- Y10T428/31504—Composite [nonstructural laminate]
- Y10T428/31551—Of polyamidoester [polyurethane, polyisocyanate, polycarbamate, etc.]
- Y10T428/31605—Next to free metal
-
- 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
- Y10T428/31504—Composite [nonstructural laminate]
- Y10T428/31678—Of metal
-
- 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
- Y10T428/31504—Composite [nonstructural laminate]
- Y10T428/31678—Of metal
- Y10T428/31681—Next to polyester, polyamide or polyimide [e.g., alkyd, glue, or nylon, etc.]
-
- 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
- Y10T428/31504—Composite [nonstructural laminate]
- Y10T428/31678—Of metal
- Y10T428/31692—Next to addition polymer from unsaturated monomers
-
- 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
- Y10T428/31504—Composite [nonstructural laminate]
- Y10T428/31678—Of metal
- Y10T428/31692—Next to addition polymer from unsaturated monomers
- Y10T428/31696—Including polyene monomers [e.g., butadiene, etc.]
-
- 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
- Y10T428/31504—Composite [nonstructural laminate]
- Y10T428/31678—Of metal
- Y10T428/31692—Next to addition polymer from unsaturated monomers
- Y10T428/31699—Ester, halide or nitrile of addition polymer
-
- 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
- Y10T428/31504—Composite [nonstructural laminate]
- Y10T428/31678—Of metal
- Y10T428/31703—Next to cellulosic
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- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Wood Science & Technology (AREA)
- Health & Medical Sciences (AREA)
- Molecular Biology (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Paints Or Removers (AREA)
- Polymerisation Methods In General (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Phenolic Resins Or Amino Resins (AREA)
- Preventing Corrosion Or Incrustation Of Metals (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Thiazole And Isothizaole Compounds (AREA)
- Plural Heterocyclic Compounds (AREA)
- Anti-Oxidant Or Stabilizer Compositions (AREA)
- Lubricants (AREA)
- Acyclic And Carbocyclic Compounds In Medicinal Compositions (AREA)
Abstract
내용 없음
Description
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
Claims (14)
1개 이상의 하기 일반식(Ⅰ) 화합물을 부식 방지제로서 함유하는 코우팅 물질:
상기 식에서, R은 상호 독립적으로 수소, C1-C12알킬, C1-C4할로게노알킬, C1-C12알콕시, C1-C12알킬티오, 페닐리오, 벤질티오, C1-C12알킬슐포닐, 페닐, C7-C15알킬페닐, C7-C10페닐알킬, C5-C8시클로알킬, 할로겐, -NO2, -CN, -COOH, -COO(C1-C4알킬), -OH, -NG2, -NHR6, -N(R6)2, -CONH2, -CONHR6또는 -CON(R6)2;R1은 수소; C1-C12알킬 ; 페닐 ; 또는 할로겐, C1-C4알킬, C1-C4알콕시 또는 -NO2에 의해 치환된 페닐 ; 피리딜 ; 티엔일 또는 푸릴 ; R2는 수소 또는 C1-C4알킬 ; R3및 R4가 상호 독립적으로 수소, 할로겐, C1-C4알콕시, 시아노, 니트로, C1-C20알킬, -(CH2)m-COOR7, -(CH2)m-CONHR6, -(CH2)m-CON(R6) (여기서, m은 0, 1 또는 2임), C3-C20알켄일, C7-C10페닐알킬, 페닐, 시클로헥실, 시클로펜틸 또는 다음 일반식(Ⅱ)의 기이고 :
R5는 수소, C1-C20알킬, C3-C20알켄일 또는 히드록시이거나, 또는 R3및 R5가 함께, 또는 R4및 R5가 함께, 페놀 잔기에 융합된 고리를 형성하고, 이 고리는 카르보시클릭 고리 또는 헤테로시클릭 고리가 될 수 있으며, 또한 헤테로 원자로서 산소, 질소 또는 유황을 함유할 수 있고, R6은 C1-C12알킬 ; 1개 또는 그 이상의 0원자가 도입된 C3-C12알킬 ; C5-C8시클로알킬 ; 벤질 ; 페닐 ; 또는 할로겐, C1-C4알킬, C1-C4알콕시 또는 니트로에 의해 치환된 페닐이거나 ; 또는 -N(R6)2가 피롤리디노 피페리디노 또는 모르폴리노기이고, 또한 R7은 할로겐이나 히드록시에 의해 치환될 수 있는 C1-C20알킬, 또는 1개 또는 그 이상의 산소 원자가 도입되고, 또한 히드록시에 의해 치환될 수 있는 C3-C20알킬이다.
제1항에 있어서, 일반식(Ⅰ)중의 1개 R이 수소, C1-C4알킬, C1-C4알콕시, 할로겐, 트리플루오로메틸 또는 니트로이고, 나머지 3개 R은 수소인 코우팅 물질.
제1항에 있어서, 일반식(Ⅰ)중의 R1이 수소, C1-C8알킬, 페닐 또는 푸릴이고, 또한 R2가 수소인 코우팅 물질.
제1항에 있어서, 일반식(Ⅰ)중의 R1및 R2가 수소인 코우팅 물질.
제1항에 있어서, 일반식(Ⅰ)중의 R3및 R4가 상호 독립적으로 수소, C1-C8알킬, 알릴, C7-C10페닐알킬, C1-C4알콕시, 할로겐, 페닐 또는 시클로 헥실이고, 또한 R5가 수소, C1-C18알킬 또는 C3-C18알켄일인 코우팅 물질.
제1항에 있어서, 하기 일반식(Ⅲ)의 화합물을 합유하는 코우팅 물질 :
상기 식에서, R은 수소 C1-C4알킬, C1-C4알콕시, 염소, 트리플루오로메틸 또는 니트로이고 ; R3및 R4는 상호 독립적으로 C1-C8알킬, C7-C10페닐알킬, 페닐 또는 시클로헥실이며 ; 또한 R5는 H, 또는 CH3이다.
제1항에 있어서, 하기 일반식(Ⅳ) 또는 (Ⅳa)의 화합물을 함유하는 코우팅 물질 :
상기 식에서, R은 수소 C1-C4알킬, C1-C4알콕시, 염소, 트리플루오로메틸 또는 니트로이고 ; R3및 R4는 상호 독립적으로 수소, C1-C8알킬, C7-C10페닐알킬, 페닐시클로헥실 또는 하기 일반식(Ⅱa)의 기이며 ;
또한
R5는 수소, C1-C18알킬 또는 C3-C18알켄일이다.
제1항에 있어서, 알키드, 알크릴릭, 멜라민, 폴리우레탄, 에폭사이드 또는 폴리에스테르 수지 또는 이러한 수지의 혼합물을 기재로 하는 코우팅 물질.
제1항에 있어서, 방향성 에폭사이드 수지를 기재로 하는 코우팅 물질.
제1항에 있어서, 금속성 기재용 시발체로서의 코우팅 물질.
철, 강철, 구리, 아연 또는 알루미늄 기재를 위한 제9항에 따르는 시발체.
제1항에 있어서, 수성 페인트 시스템용 코우팅 물질.
제11항에 있어서, 음극 엘렉트로-디프 코우팅 물질인 코우팅 물질.
제12항에 있어서, 부식 방지제로서 1개 이상의 일반식(Ⅰ) 화합물을 페인트의 고체 함량 기준으로 0.5 내지 5중량% 만큼 함유하는 코우팅 물질.
※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH03438/86-4 | 1986-08-27 | ||
CH3438/86-4 | 1986-08-27 | ||
CH343886 | 1986-08-27 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR880003030A true KR880003030A (ko) | 1988-05-13 |
KR950001220B1 KR950001220B1 (ko) | 1995-02-14 |
Family
ID=4255967
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1019870009362A KR950001220B1 (ko) | 1986-08-27 | 1987-08-26 | 도료용 페놀성 부식 방지제 |
Country Status (13)
Country | Link |
---|---|
US (1) | US4818777A (ko) |
EP (1) | EP0259255B1 (ko) |
JP (1) | JPS6372767A (ko) |
KR (1) | KR950001220B1 (ko) |
AT (1) | ATE66240T1 (ko) |
AU (1) | AU604493B2 (ko) |
BR (1) | BR8704389A (ko) |
CA (1) | CA1294774C (ko) |
CS (1) | CS272778B2 (ko) |
DD (1) | DD269154A5 (ko) |
DE (1) | DE3772135D1 (ko) |
RU (1) | RU2019550C1 (ko) |
ZA (1) | ZA876345B (ko) |
Families Citing this family (19)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0394195A3 (de) * | 1989-04-18 | 1992-06-17 | Ciba-Geigy Ag | Korrosionsbeständige Epoxid- und Polyurethanharzzusammensetzungen |
EP0394196B1 (de) * | 1989-04-20 | 1994-09-28 | Ciba-Geigy Ag | Antikorrosive Anstrichstoffe |
US5055505A (en) * | 1990-04-25 | 1991-10-08 | Industrial Technology Research Institute | Heat stabilized ABS-polycarbonate polymer blend compositions |
US5085696A (en) * | 1991-04-03 | 1992-02-04 | Atochem North America, Inc. | Methods and compositions for treating metals by means of water-borne polymeric films |
JPH0671579B2 (ja) * | 1990-11-28 | 1994-09-14 | 株式会社神戸製鋼所 | 電着塗装性及び溶接性にすぐれる樹脂塗装鋼板 |
GB9027724D0 (en) * | 1990-12-20 | 1991-02-13 | Ciba Geigy Ag | Surface coatings |
US5244738A (en) * | 1991-09-03 | 1993-09-14 | The Dexter Corporation | Metal article coated with a composition for inhibiting corrosion |
US5223025A (en) * | 1991-09-03 | 1993-06-29 | The Dexter Corporation | Coating composition for inhibiting corrosion of metal substrates |
US5211881A (en) * | 1992-01-30 | 1993-05-18 | Elf Atochem North America, Inc. | Methods and compositions for treating metals by means of water-borne polymeric films |
CA2098453A1 (en) * | 1992-06-30 | 1993-12-31 | Kevin M. Schock | Electrocoat primer layer containing regenerative radical scavenger |
JP3564130B2 (ja) * | 1992-09-14 | 2004-09-08 | サイテク・テクノロジー・コーポレーシヨン | ハイブリッド金属/複合構造体のガルバニック分解の減少 |
US5532025A (en) * | 1993-07-23 | 1996-07-02 | Kinlen; Patrick J. | Corrosion inhibiting compositions |
AU2394695A (en) * | 1994-05-13 | 1995-12-05 | Henkel Corporation | Aqueous metal coating composition and process with reduced staining and corrosion |
EP0894793A1 (de) * | 1997-07-30 | 1999-02-03 | Ciba SC Holding AG | Phosphorfreie multifunktionelle Schmiermitteladditive |
JP2005528485A (ja) | 2002-06-04 | 2005-09-22 | ルミムーブ・インコーポレーテッド・ディー/ビー/エイ・クロスリンク・ポリマー・リサーチ | 金属表面保護のための腐食応答性塗料配合物 |
KR100547109B1 (ko) * | 2002-11-14 | 2006-01-26 | 삼성전자주식회사 | 자외선 흡수 치환기를 포함한 기능성 첨가제 및 이를포함하는잉크 조성물 |
US20100243108A1 (en) * | 2009-03-31 | 2010-09-30 | Ppg Industries Ohio, Inc. | Method for treating and/or coating a substrate with non-chrome materials |
WO2011092278A1 (en) | 2010-01-29 | 2011-08-04 | Hempel A/S | Epoxy-based primer compositions |
CN118271847A (zh) * | 2016-08-19 | 2024-07-02 | 陶氏东丽株式会社 | 用于保护电气/电子部件的室温可固化的有机聚硅氧烷组合物 |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
BE616816A (ko) * | 1961-04-26 | |||
US3215641A (en) * | 1962-11-13 | 1965-11-02 | Shell Oil Co | Phenol derivative |
US3291841A (en) * | 1963-08-01 | 1966-12-13 | Us Rubber Co | Process for the preparation of benzyl ethers |
US3281473A (en) * | 1963-08-01 | 1966-10-25 | Us Rubber Co | Method of preparing dibenzol sulfides |
US3219701A (en) * | 1963-08-23 | 1965-11-23 | Us Rubber Co | Method of making n-(hydroxy-benzyl) substituted amines |
US4100327A (en) * | 1976-06-24 | 1978-07-11 | Westinghouse Electric Corp. | Organo-sulfur composition for forming thermoparticulating coating |
US4329381A (en) * | 1978-02-23 | 1982-05-11 | Henkel Kommanditgesellschaft Auf Aktien (Henkel Kgaa) | Method for providing corrosion resistance to metal objects |
GB8313320D0 (en) * | 1983-05-14 | 1983-06-22 | Ciba Geigy Ag | Coating compositions |
US4568753A (en) * | 1983-11-18 | 1986-02-04 | Sanshin Kagaku Kogyo Co., Ltd. | Rust-preventive agent |
GB8412063D0 (en) * | 1984-05-11 | 1984-06-20 | Ciba Geigy Ag | Compositions containing heterocyclic corrosion inhibitors |
GB8412064D0 (en) * | 1984-05-11 | 1984-06-20 | Ciba Geigy Ag | Compositions containing heterocyclic corrosion inhibitors |
GB8428677D0 (en) * | 1984-11-13 | 1984-12-19 | Ciba Geigy Ag | Corrosion-inhibiting aqueous coating compositions |
-
1987
- 1987-08-17 US US07/086,338 patent/US4818777A/en not_active Expired - Fee Related
- 1987-08-21 AT AT87810469T patent/ATE66240T1/de not_active IP Right Cessation
- 1987-08-21 EP EP87810469A patent/EP0259255B1/de not_active Expired - Lifetime
- 1987-08-21 DE DE8787810469T patent/DE3772135D1/de not_active Expired - Lifetime
- 1987-08-25 CS CS621987A patent/CS272778B2/cs unknown
- 1987-08-25 CA CA000545249A patent/CA1294774C/en not_active Expired - Lifetime
- 1987-08-25 DD DD87306323A patent/DD269154A5/de not_active IP Right Cessation
- 1987-08-26 AU AU77486/87A patent/AU604493B2/en not_active Ceased
- 1987-08-26 KR KR1019870009362A patent/KR950001220B1/ko active IP Right Grant
- 1987-08-26 BR BR8704389A patent/BR8704389A/pt not_active Application Discontinuation
- 1987-08-26 ZA ZA876345A patent/ZA876345B/xx unknown
- 1987-08-26 RU SU874203177A patent/RU2019550C1/ru active
- 1987-08-27 JP JP62214144A patent/JPS6372767A/ja active Pending
Also Published As
Publication number | Publication date |
---|---|
AU7748687A (en) | 1988-03-03 |
DE3772135D1 (de) | 1991-09-19 |
CA1294774C (en) | 1992-01-28 |
CS621987A2 (en) | 1990-06-13 |
KR950001220B1 (ko) | 1995-02-14 |
US4818777A (en) | 1989-04-04 |
EP0259255A2 (de) | 1988-03-09 |
CS272778B2 (en) | 1991-02-12 |
DD269154A5 (de) | 1989-06-21 |
EP0259255B1 (de) | 1991-08-14 |
ATE66240T1 (de) | 1991-08-15 |
JPS6372767A (ja) | 1988-04-02 |
AU604493B2 (en) | 1990-12-20 |
ZA876345B (en) | 1988-05-25 |
RU2019550C1 (ru) | 1994-09-15 |
EP0259255A3 (en) | 1989-08-16 |
BR8704389A (pt) | 1988-04-19 |
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