ZA826932B - Nacreous pigments,their preparation,and their use - Google Patents
Nacreous pigments,their preparation,and their useInfo
- Publication number
- ZA826932B ZA826932B ZA826932A ZA826932A ZA826932B ZA 826932 B ZA826932 B ZA 826932B ZA 826932 A ZA826932 A ZA 826932A ZA 826932 A ZA826932 A ZA 826932A ZA 826932 B ZA826932 B ZA 826932B
- Authority
- ZA
- South Africa
- Prior art keywords
- preparation
- nacreous pigments
- nacreous
- pigments
- Prior art date
Links
- 239000000049 pigment Substances 0.000 title 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09C—TREATMENT OF INORGANIC MATERIALS, OTHER THAN FIBROUS FILLERS, TO ENHANCE THEIR PIGMENTING OR FILLING PROPERTIES ; PREPARATION OF CARBON BLACK ; PREPARATION OF INORGANIC MATERIALS WHICH ARE NO SINGLE CHEMICAL COMPOUNDS AND WHICH ARE MAINLY USED AS PIGMENTS OR FILLERS
- C09C1/00—Treatment of specific inorganic materials other than fibrous fillers; Preparation of carbon black
- C09C1/0015—Pigments exhibiting interference colours, e.g. transparent platelets of appropriate thinness or flaky substrates, e.g. mica, bearing appropriate thin transparent coatings
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2002/00—Crystal-structural characteristics
- C01P2002/50—Solid solutions
- C01P2002/52—Solid solutions containing elements as dopants
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2006/00—Physical properties of inorganic compounds
- C01P2006/60—Optical properties, e.g. expressed in CIELAB-values
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09C—TREATMENT OF INORGANIC MATERIALS, OTHER THAN FIBROUS FILLERS, TO ENHANCE THEIR PIGMENTING OR FILLING PROPERTIES ; PREPARATION OF CARBON BLACK ; PREPARATION OF INORGANIC MATERIALS WHICH ARE NO SINGLE CHEMICAL COMPOUNDS AND WHICH ARE MAINLY USED AS PIGMENTS OR FILLERS
- C09C2200/00—Compositional and structural details of pigments exhibiting interference colours
- C09C2200/10—Interference pigments characterized by the core material
- C09C2200/102—Interference pigments characterized by the core material the core consisting of glass or silicate material like mica or clays, e.g. kaolin
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09C—TREATMENT OF INORGANIC MATERIALS, OTHER THAN FIBROUS FILLERS, TO ENHANCE THEIR PIGMENTING OR FILLING PROPERTIES ; PREPARATION OF CARBON BLACK ; PREPARATION OF INORGANIC MATERIALS WHICH ARE NO SINGLE CHEMICAL COMPOUNDS AND WHICH ARE MAINLY USED AS PIGMENTS OR FILLERS
- C09C2200/00—Compositional and structural details of pigments exhibiting interference colours
- C09C2200/30—Interference pigments characterised by the thickness of the core or layers thereon or by the total thickness of the final pigment particle
- C09C2200/301—Thickness of the core
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09C—TREATMENT OF INORGANIC MATERIALS, OTHER THAN FIBROUS FILLERS, TO ENHANCE THEIR PIGMENTING OR FILLING PROPERTIES ; PREPARATION OF CARBON BLACK ; PREPARATION OF INORGANIC MATERIALS WHICH ARE NO SINGLE CHEMICAL COMPOUNDS AND WHICH ARE MAINLY USED AS PIGMENTS OR FILLERS
- C09C2220/00—Methods of preparing the interference pigments
- C09C2220/10—Wet methods, e.g. co-precipitation
- C09C2220/103—Wet methods, e.g. co-precipitation comprising a drying or calcination step after applying each layer
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09C—TREATMENT OF INORGANIC MATERIALS, OTHER THAN FIBROUS FILLERS, TO ENHANCE THEIR PIGMENTING OR FILLING PROPERTIES ; PREPARATION OF CARBON BLACK ; PREPARATION OF INORGANIC MATERIALS WHICH ARE NO SINGLE CHEMICAL COMPOUNDS AND WHICH ARE MAINLY USED AS PIGMENTS OR FILLERS
- C09C2220/00—Methods of preparing the interference pigments
- C09C2220/10—Wet methods, e.g. co-precipitation
- C09C2220/106—Wet methods, e.g. co-precipitation comprising only a drying or calcination step of the finally coated pigment
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Pigments, Carbon Blacks, Or Wood Stains (AREA)
- Cosmetics (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19813137809 DE3137809A1 (de) | 1981-09-23 | 1981-09-23 | "perlglanzpigmente, ihre herstellung und ihre verwendung" |
Publications (1)
Publication Number | Publication Date |
---|---|
ZA826932B true ZA826932B (en) | 1983-07-27 |
Family
ID=6142391
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ZA826932A ZA826932B (en) | 1981-09-23 | 1982-09-21 | Nacreous pigments,their preparation,and their use |
Country Status (10)
Country | Link |
---|---|
US (1) | US4457784A (fr) |
EP (1) | EP0075186B1 (fr) |
JP (1) | JPS5869259A (fr) |
BR (1) | BR8205543A (fr) |
CA (1) | CA1184004A (fr) |
CS (1) | CS233733B2 (fr) |
DE (2) | DE3137809A1 (fr) |
ES (1) | ES515884A0 (fr) |
IN (1) | IN157125B (fr) |
ZA (1) | ZA826932B (fr) |
Families Citing this family (91)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3225897A1 (de) * | 1982-07-10 | 1984-01-12 | Degussa Ag, 6000 Frankfurt | Anorganische pigmente und verfahren zu deren herstellung |
US4551491A (en) * | 1983-07-29 | 1985-11-05 | Inmont Corporation | Pearlescent automotive paint compositions |
DE3334598A1 (de) * | 1983-09-24 | 1985-04-18 | Merck Patent Gmbh | Witterungsbestaendige perlglanzpigmente |
US4710375A (en) * | 1984-02-28 | 1987-12-01 | Pola Chemical Industries Inc. | Stick cosmetics containing coated pearlescent pigments |
JPH0729902B2 (ja) * | 1985-07-11 | 1995-04-05 | 住友化学工業株式会社 | メ−クアツプ化粧料 |
US4624710A (en) * | 1985-09-30 | 1986-11-25 | Harshaw/Filtrol Partnership | Pigment consisting of a mixture of chromium oxide and iron oxide useful in high infra red reflectance gray vinyl composition |
JP2593296B2 (ja) * | 1985-10-08 | 1997-03-26 | 岡村製油株式会社 | 化粧用組成物及びその製造方法 |
IN165908B (fr) * | 1985-10-25 | 1990-02-10 | Merck Patent Gmbh | |
JPH0643565B2 (ja) * | 1986-11-21 | 1994-06-08 | メルク・ジヤパン株式会社 | 耐水性真珠光沢顔料およびその製造法 |
US5223034A (en) * | 1988-05-19 | 1993-06-29 | Merck Patent Gesellschaft Mit Beschrankter Haftung | Weather-resistant, pearlescent pigment and process for producing the same in the presence of hypophosphite |
DE4120921A1 (de) | 1991-06-25 | 1993-01-07 | Merck Patent Gmbh | Oberflaechenmodifizierte plaettchenfoermige substrate mit verbessertem absetz- und aufruehrverhalten |
JP3444919B2 (ja) * | 1992-04-18 | 2003-09-08 | メルク パテント ゲゼルシャフト ミット ベシュレンクテル ハフトング | 導電性顔料 |
DE4443048A1 (de) | 1994-12-05 | 1996-06-13 | Merck Patent Gmbh | Effektpulverlacke |
US5693134A (en) | 1994-12-29 | 1997-12-02 | Merck Patent Gesellschaft Mit Beschrankter Haftung | Gray interference pigment and process for producing the same |
DE19522397A1 (de) * | 1995-06-23 | 1997-01-02 | Merck Patent Gmbh | Lasermarkierbare Kunststoffe |
JP3643144B2 (ja) * | 1995-08-04 | 2005-04-27 | メルク株式会社 | 新規な真珠光沢顔料およびその製造方法 |
US6107244A (en) * | 1997-10-15 | 2000-08-22 | Nashua Corporation | Verification methods employing thermally--imageable substrates |
DE10046152A1 (de) | 2000-09-15 | 2002-03-28 | Merck Patent Gmbh | Pigmentpräparation in Granulatform |
DE19951871A1 (de) | 1999-10-28 | 2001-05-03 | Merck Patent Gmbh | Farbstarke Interferenzpigmente |
DE19951869A1 (de) | 1999-10-28 | 2001-05-03 | Merck Patent Gmbh | Farbstarke Interferenzpigmente |
US6451102B1 (en) | 2000-05-04 | 2002-09-17 | Merck Patent Gmbh | Pigment modification improving handling characteristics |
DE10034972A1 (de) | 2000-07-19 | 2002-01-31 | Merck Patent Gmbh | Verfahren zur Herstellung eines Pulverlacks, ein Pulverlack sowie die Verwendung von Effektpigmenten |
DE10061178A1 (de) | 2000-12-07 | 2002-06-20 | Merck Patent Gmbh | Silberfarbenes Glanzpigment |
DE10137831A1 (de) | 2001-08-02 | 2003-02-13 | Merck Patent Gmbh | Mehrschichtige Interferenzpigmente |
KR20050057036A (ko) | 2002-08-30 | 2005-06-16 | 시바 스폐셜티 케미칼스 홀딩 인코포레이티드 | 화장품 및 개인미용 제제로 사용되는, x가 0.03 내지 0.95인 siox 코팅을 적어도 하나 갖는 착색된 광택 안료 |
DE10244117A1 (de) * | 2002-09-12 | 2004-04-08 | Coty B.V. | Wasserbeständige Mascara-Zusammensetzung |
JP5431632B2 (ja) | 2002-12-17 | 2014-03-05 | メルク パテント ゲゼルシャフト ミット ベシュレンクテル ハフツング | 干渉顔料 |
DE10310736A1 (de) | 2003-03-10 | 2004-09-23 | Merck Patent Gmbh | Interferenzpigmente mit Körperfarbe |
DE102004014020A1 (de) * | 2004-03-19 | 2005-10-06 | Eckart Gmbh & Co. Kg | Kosmetisches Präparat mit UV-Schutz und Verwendung von Effektpigmenten |
DE102004035769A1 (de) | 2004-07-27 | 2006-03-23 | Merck Patent Gmbh | Mehrschichtige Interferenzpigmente |
US7943194B2 (en) | 2004-08-23 | 2011-05-17 | Basf Se | Process for preparing flake-form pigments based on aluminum and on Sioz(Z=0.7-2.0) comprising forming a layer of separating agent |
DE102004057918A1 (de) | 2004-11-30 | 2006-06-01 | Merck Patent Gmbh | Laserkennzeichnung von Wertdokumenten |
DE102005001997A1 (de) | 2005-01-17 | 2006-07-20 | Merck Patent Gmbh | Effektpigmente mit starkem Farbtop |
DE102005002124A1 (de) | 2005-01-17 | 2006-07-27 | Merck Patent Gmbh | Farbstarke rote Effektpigmente |
DE102006027025A1 (de) | 2006-06-08 | 2007-12-13 | Merck Patent Gmbh | Silberweiße-Effektpigmente |
CN101595171A (zh) * | 2006-09-05 | 2009-12-02 | 富士胶片亨特化学制品美国有限公司 | 用于形成可激光标记涂层的组合物和含有机吸收增强添加剂的可激光标记材料 |
DE102007010986A1 (de) | 2007-03-05 | 2008-09-11 | Merck Patent Gmbh | Übergangsmetallhaltige Effektpigmente |
EP1977729B1 (fr) | 2007-04-05 | 2010-03-03 | Eckart GmbH | Compositions cosmétiques contenant des pigments nacrés |
ATE432964T1 (de) | 2007-04-05 | 2009-06-15 | Eckart Gmbh | Effektpigmente mit einem substrat aus glasplättchen |
KR20100056459A (ko) | 2007-07-12 | 2010-05-27 | 바스프 에스이 | 펄라이트 플레이크 기재 간섭 안료 |
DE102007058601A1 (de) | 2007-12-04 | 2009-06-10 | Merck Patent Gmbh | Sicherheitspigment |
DE602008005834D1 (de) | 2007-12-17 | 2011-05-12 | Merck Patent Gmbh | Füllstoffpigmente |
AU2008337899B2 (en) | 2007-12-19 | 2013-10-31 | Merck Patent Gmbh | Optically variable pigments of high electrical conductivity |
RU2506294C2 (ru) | 2007-12-19 | 2014-02-10 | Мерк Патент Гмбх | Интенсивно окрашенные и/или оптически изменяющиеся пигменты с электропроводящим ядром |
DE102008025277A1 (de) | 2008-05-27 | 2009-12-03 | Merck Patent Gmbh | Glaszusammensetzung |
DE102008050924A1 (de) | 2008-10-10 | 2010-04-15 | Merck Patent Gmbh | Pigmente |
DE102009020208A1 (de) | 2009-05-07 | 2010-11-11 | Merck Patent Gmbh | Verfahren zum Codieren von Produkten |
DE102009023157A1 (de) | 2009-05-29 | 2010-12-02 | Merck Patent Gmbh | Beschichtete Partikel |
DE102009023158A1 (de) | 2009-05-29 | 2010-12-02 | Merck Patent Gmbh | Beschichtete Partikel und deren Verwendung |
US8936799B2 (en) | 2009-10-28 | 2015-01-20 | Basf Se | Pigments with improved sparkling effect |
DE102009051171A1 (de) | 2009-10-29 | 2011-05-05 | Merck Patent Gmbh | Pigmente |
WO2011095447A2 (fr) | 2010-02-04 | 2011-08-11 | Basf Se | Compositions de pigment possédant un effet luisant amélioré |
CN102741359B (zh) | 2010-02-04 | 2014-12-03 | 默克专利股份有限公司 | 效果颜料 |
DE102010049375A1 (de) | 2010-10-26 | 2012-04-26 | Merck Patent Gmbh | Pigmente |
WO2012076110A1 (fr) | 2010-12-09 | 2012-06-14 | Merck Patent Gmbh | Pigments noirs brillants |
WO2012084097A1 (fr) | 2010-12-09 | 2012-06-28 | Merck Patent Gmbh | Pigments magnétiques |
DE102011103425A1 (de) | 2011-06-07 | 2012-12-13 | Merck Patent Gmbh | Wellenlängenselektiv reflektierende Beschichtung |
EP2607432A1 (fr) | 2011-12-21 | 2013-06-26 | Merck Patent GmbH | Pigments à effets basés sur des substrats avec un facteur de forme circulaire de 1.2-2 |
DE102012000887A1 (de) | 2012-01-19 | 2013-07-25 | Merck Patent Gmbh | Effektpigmente |
DE102011121804A1 (de) | 2011-12-21 | 2013-06-27 | Merck Patent Gmbh | Effektpigmente |
DE102012017608A1 (de) | 2012-09-06 | 2014-05-08 | Merck Patent Gmbh | Goldpigment |
DE102012020392A1 (de) | 2012-10-18 | 2014-04-24 | Merck Patent Gmbh | Pigmente |
US9168209B2 (en) | 2013-03-13 | 2015-10-27 | Johnson & Johnson Consumer Inc. | Pigmented skin-care compositions |
US9168393B2 (en) | 2013-03-13 | 2015-10-27 | Johnson & Johnson Consumer Inc. | Pigmented skin-care compositions |
US9320687B2 (en) | 2013-03-13 | 2016-04-26 | Johnson & Johnson Consumer Inc. | Pigmented skin-care compositions |
US9168394B2 (en) | 2013-03-13 | 2015-10-27 | Johnson & Johnson Consumer Inc. | Pigmented skin-care compositions |
US8585818B1 (en) * | 2013-03-14 | 2013-11-19 | Basf Se | Coated perlite flakes |
ES2684773T3 (es) | 2013-04-30 | 2018-10-04 | Merck Patent Gmbh | Copos de alfa-Alúmina |
EP2799397B1 (fr) | 2013-04-30 | 2018-06-20 | Merck Patent GmbH | Flocons d'alumine |
RU2656492C2 (ru) | 2013-06-17 | 2018-06-05 | Мерк Патент Гмбх | Прозрачные, оптически переменные интерферированные пигменты, имеющие электрически полупроводниковые свойства |
RU2658842C2 (ru) | 2013-06-17 | 2018-06-25 | Мерк Патент Гмбх | Прозрачные электрически полупроводящие интерферированные пигменты, имеющие высокую интенсивность цвета |
DE102013012023A1 (de) | 2013-07-19 | 2015-01-22 | Merck Patent Gmbh | Pigmentgemisch |
DE102014003975A1 (de) | 2014-03-20 | 2015-10-08 | Merck Patent Gmbh | Effektpigmente |
DE102014018276A1 (de) | 2014-12-12 | 2016-06-16 | Merck Patent Gmbh | Elektrisch leitfähige, farbige Interferenzpigmente |
DE102014018275A1 (de) | 2014-12-12 | 2016-06-16 | Merck Patent Gmbh | Nichtmetallische Pigmente mit metallischen Eigenschaften |
DE102015013400A1 (de) | 2015-10-19 | 2017-04-20 | Merck Patent Gmbh | Pigment/Fritten-Gemisch |
DE102016000054A1 (de) | 2016-01-05 | 2017-07-06 | Merck Patent Gmbh | Oberflächenfärbung von Lebensmitteln |
KR20170099369A (ko) | 2016-02-23 | 2017-08-31 | 메르크 파텐트 게엠베하 | 효과 안료 |
DE102016004164A1 (de) | 2016-04-11 | 2017-10-12 | Merck Patent Gmbh | Pigmentgemisch |
DE102017002554A1 (de) | 2017-03-17 | 2018-09-20 | Merck Patent Gmbh | Effektpigmente |
DE102017011800A1 (de) | 2017-12-20 | 2019-06-27 | Merck Patent Gmbh | Effektpigmente |
EP3517579B1 (fr) | 2018-01-23 | 2022-10-26 | Merck Patent GmbH | Mélange de pigments interférentiels rouge, bleu et vert |
KR20200125971A (ko) | 2018-04-04 | 2020-11-05 | 알타나 아게 | 착색된 헥토라이트 및 코팅된 착색된 헥토라이트를 기재로 하는 효과 안료 및 그의 제조 |
EP3564200A1 (fr) | 2018-05-04 | 2019-11-06 | Merck Patent GmbH | Couleurs céramiques |
EP3564197A1 (fr) | 2018-05-04 | 2019-11-06 | Merck Patent GmbH | Couleurs céramiques |
EP3564202A1 (fr) | 2018-05-04 | 2019-11-06 | Merck Patent GmbH | Couleurs céramiques |
DE102019003072A1 (de) | 2019-04-30 | 2020-11-05 | Merck Patent Gmbh | Effektpigmente |
DE102019003073A1 (de) | 2019-04-30 | 2020-11-05 | Merck Patent Gmbh | Pigment/Fritten-Gemisch |
US20210087403A1 (en) | 2019-09-20 | 2021-03-25 | Merck Patent Gmbh | Pigments |
DE102019006869A1 (de) | 2019-10-02 | 2021-04-08 | Merck Patent Gmbh | Interferenzpigmente |
EP3974395A1 (fr) | 2020-09-25 | 2022-03-30 | Merck Patent GmbH | Mélange de pigment et de frittes |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3127280A (en) * | 1960-12-16 | 1964-03-31 | Treatment of titanium dioxide | |
US3087828A (en) * | 1961-06-28 | 1963-04-30 | Du Pont | Nacreous pigment compositions |
US3087829A (en) * | 1961-06-28 | 1963-04-30 | Du Pont | Micaceous pigment composition |
US3342617A (en) * | 1965-08-12 | 1967-09-19 | Du Pont | Nacreous pigment compositions |
GB1279672A (en) * | 1969-06-30 | 1972-06-28 | Merck Patent Gmbh | Process for the production of titanium dioxide coatings |
US3650790A (en) * | 1970-02-13 | 1972-03-21 | Du Pont | Nacreous mica pigment compositions |
US3832208A (en) * | 1972-03-09 | 1974-08-27 | Du Pont | Nacreous pigments treated with methacrylatochromic chloride for improved humidity resistance |
DE2313331C2 (de) * | 1973-03-17 | 1986-11-13 | Merck Patent Gmbh, 6100 Darmstadt | Eisenoxidhaltige Glimmerschuppenpigmente |
US4134776A (en) * | 1977-12-27 | 1979-01-16 | The Mearl Corporation | Exterior grade titanium dioxide coated mica |
US4192691A (en) * | 1978-10-26 | 1980-03-11 | The Mearl Corporation | Metal oxide platelets as nacreous pigments |
-
1981
- 1981-09-23 DE DE19813137809 patent/DE3137809A1/de not_active Withdrawn
-
1982
- 1982-06-24 IN IN739/CAL/82A patent/IN157125B/en unknown
- 1982-09-08 EP EP82108244A patent/EP0075186B1/fr not_active Expired
- 1982-09-08 DE DE8282108244T patent/DE3265851D1/de not_active Expired
- 1982-09-21 CS CS826754A patent/CS233733B2/cs unknown
- 1982-09-21 ZA ZA826932A patent/ZA826932B/xx unknown
- 1982-09-22 ES ES515884A patent/ES515884A0/es active Granted
- 1982-09-22 BR BR8205543A patent/BR8205543A/pt not_active IP Right Cessation
- 1982-09-22 JP JP57164151A patent/JPS5869259A/ja active Granted
- 1982-09-22 CA CA000411966A patent/CA1184004A/fr not_active Expired
- 1982-09-22 US US06/421,684 patent/US4457784A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
IN157125B (fr) | 1986-01-25 |
DE3137809A1 (de) | 1983-03-31 |
US4457784A (en) | 1984-07-03 |
JPS5869259A (ja) | 1983-04-25 |
BR8205543A (pt) | 1983-08-30 |
ES8400472A1 (es) | 1983-11-01 |
JPH0242114B2 (fr) | 1990-09-20 |
EP0075186B1 (fr) | 1985-08-28 |
EP0075186A2 (fr) | 1983-03-30 |
CA1184004A (fr) | 1985-03-19 |
CS233733B2 (en) | 1985-03-14 |
EP0075186A3 (en) | 1983-07-20 |
ES515884A0 (es) | 1983-11-01 |
DE3265851D1 (en) | 1985-10-03 |
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