FR2514774A1 - Nouvelle classe de colorants dichroiques pour l'utilisation avec des cristaux liquides - Google Patents
Nouvelle classe de colorants dichroiques pour l'utilisation avec des cristaux liquides Download PDFInfo
- Publication number
- FR2514774A1 FR2514774A1 FR8217495A FR8217495A FR2514774A1 FR 2514774 A1 FR2514774 A1 FR 2514774A1 FR 8217495 A FR8217495 A FR 8217495A FR 8217495 A FR8217495 A FR 8217495A FR 2514774 A1 FR2514774 A1 FR 2514774A1
- Authority
- FR
- France
- Prior art keywords
- dichroic dye
- liquid crystal
- dye according
- dichroic
- electronic display
- 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.)
- Granted
Links
- 239000004973 liquid crystal related substance Substances 0.000 title claims abstract description 37
- 239000003086 colorant Substances 0.000 title description 3
- 239000000203 mixture Substances 0.000 claims abstract description 25
- 230000003098 cholesteric effect Effects 0.000 claims abstract description 11
- 239000000975 dye Substances 0.000 claims description 57
- 239000000758 substrate Substances 0.000 claims description 18
- 238000010521 absorption reaction Methods 0.000 claims description 7
- 239000007788 liquid Substances 0.000 claims description 6
- -1 azol-2-methoxy-5-methylphenylazol-N-ethyl-1-naphthylamine Chemical compound 0.000 claims description 5
- 238000000576 coating method Methods 0.000 claims description 5
- 239000013078 crystal Substances 0.000 claims description 4
- 239000011521 glass Substances 0.000 claims description 3
- 239000004020 conductor Substances 0.000 claims description 2
- 229910003437 indium oxide Inorganic materials 0.000 claims description 2
- PJXISJQVUVHSOJ-UHFFFAOYSA-N indium(iii) oxide Chemical compound [O-2].[O-2].[O-2].[In+3].[In+3] PJXISJQVUVHSOJ-UHFFFAOYSA-N 0.000 claims description 2
- 102100026197 C-type lectin domain family 2 member D Human genes 0.000 claims 1
- 101000912615 Homo sapiens C-type lectin domain family 2 member D Proteins 0.000 claims 1
- 239000002131 composite material Substances 0.000 claims 1
- 230000005611 electricity Effects 0.000 claims 1
- 239000010410 layer Substances 0.000 description 10
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 9
- JUJWROOIHBZHMG-UHFFFAOYSA-N Pyridine Chemical compound C1=CC=NC=C1 JUJWROOIHBZHMG-UHFFFAOYSA-N 0.000 description 8
- 239000000463 material Substances 0.000 description 7
- 239000000126 substance Substances 0.000 description 7
- 150000001875 compounds Chemical class 0.000 description 6
- 239000004988 Nematic liquid crystal Substances 0.000 description 5
- 238000012360 testing method Methods 0.000 description 5
- PAYRUJLWNCNPSJ-UHFFFAOYSA-N Aniline Chemical compound NC1=CC=CC=C1 PAYRUJLWNCNPSJ-UHFFFAOYSA-N 0.000 description 4
- 239000011248 coating agent Substances 0.000 description 4
- UMJSCPRVCHMLSP-UHFFFAOYSA-N pyridine Natural products COC1=CC=CN=C1 UMJSCPRVCHMLSP-UHFFFAOYSA-N 0.000 description 4
- 239000000243 solution Substances 0.000 description 4
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 3
- 230000031700 light absorption Effects 0.000 description 3
- 230000003287 optical effect Effects 0.000 description 3
- 239000000047 product Substances 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 2
- IOVCWXUNBOPUCH-UHFFFAOYSA-M Nitrite anion Chemical compound [O-]N=O IOVCWXUNBOPUCH-UHFFFAOYSA-M 0.000 description 2
- 239000002253 acid Substances 0.000 description 2
- 125000000751 azo group Chemical group [*]N=N[*] 0.000 description 2
- 230000027326 copulation Effects 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- ZUOUZKKEUPVFJK-UHFFFAOYSA-N diphenyl Chemical compound C1=CC=CC=C1C1=CC=CC=C1 ZUOUZKKEUPVFJK-UHFFFAOYSA-N 0.000 description 2
- 239000003814 drug Substances 0.000 description 2
- 229940079593 drug Drugs 0.000 description 2
- 230000005684 electric field Effects 0.000 description 2
- 238000009472 formulation Methods 0.000 description 2
- BWHMMNNQKKPAPP-UHFFFAOYSA-L potassium carbonate Chemical compound [K+].[K+].[O-]C([O-])=O BWHMMNNQKKPAPP-UHFFFAOYSA-L 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- LPXPTNMVRIOKMN-UHFFFAOYSA-M sodium nitrite Chemical compound [Na+].[O-]N=O LPXPTNMVRIOKMN-UHFFFAOYSA-M 0.000 description 2
- YJTKZCDBKVTVBY-UHFFFAOYSA-N 1,3-Diphenylbenzene Chemical group C1=CC=CC=C1C1=CC=CC(C=2C=CC=CC=2)=C1 YJTKZCDBKVTVBY-UHFFFAOYSA-N 0.000 description 1
- RUFPHBVGCFYCNW-UHFFFAOYSA-N 1-naphthylamine Chemical compound C1=CC=C2C(N)=CC=CC2=C1 RUFPHBVGCFYCNW-UHFFFAOYSA-N 0.000 description 1
- GWHHLMGYMRHHNP-UHFFFAOYSA-N 2-(2-methoxy-5-methylphenyl)-1h-pyrrole Chemical compound COC1=CC=C(C)C=C1C1=CC=CN1 GWHHLMGYMRHHNP-UHFFFAOYSA-N 0.000 description 1
- IRTLROCMFSDSNF-UHFFFAOYSA-N 2-phenyl-1h-pyrrole Chemical compound C1=CNC(C=2C=CC=CC=2)=C1 IRTLROCMFSDSNF-UHFFFAOYSA-N 0.000 description 1
- IBQDPNHVFRFCFK-UHFFFAOYSA-N 4-pentoxybenzoyl chloride Chemical compound CCCCCOC1=CC=C(C(Cl)=O)C=C1 IBQDPNHVFRFCFK-UHFFFAOYSA-N 0.000 description 1
- 241000238876 Acari Species 0.000 description 1
- 241001331845 Equus asinus x caballus Species 0.000 description 1
- KAESVJOAVNADME-UHFFFAOYSA-N Pyrrole Chemical group C=1C=CNC=1 KAESVJOAVNADME-UHFFFAOYSA-N 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 239000007983 Tris buffer Substances 0.000 description 1
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 description 1
- 239000002250 absorbent Substances 0.000 description 1
- 230000002745 absorbent Effects 0.000 description 1
- 230000004913 activation Effects 0.000 description 1
- 239000012790 adhesive layer Substances 0.000 description 1
- 150000001412 amines Chemical class 0.000 description 1
- YUENFNPLGJCNRB-UHFFFAOYSA-N anthracen-1-amine Chemical compound C1=CC=C2C=C3C(N)=CC=CC3=CC2=C1 YUENFNPLGJCNRB-UHFFFAOYSA-N 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 239000004305 biphenyl Substances 0.000 description 1
- 235000010290 biphenyl Nutrition 0.000 description 1
- 239000012267 brine Substances 0.000 description 1
- 239000004202 carbamide Substances 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 230000002301 combined effect Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 239000007822 coupling agent Substances 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- UKJLNMAFNRKWGR-UHFFFAOYSA-N cyclohexatrienamine Chemical group NC1=CC=C=C[CH]1 UKJLNMAFNRKWGR-UHFFFAOYSA-N 0.000 description 1
- IGARGHRYKHJQSM-UHFFFAOYSA-N cyclohexylbenzene Chemical class C1CCCCC1C1=CC=CC=C1 IGARGHRYKHJQSM-UHFFFAOYSA-N 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 238000006193 diazotization reaction Methods 0.000 description 1
- VZTNHWAJMHMMRY-UHFFFAOYSA-N dichlorodiazene Chemical group ClN=NCl VZTNHWAJMHMMRY-UHFFFAOYSA-N 0.000 description 1
- 239000012153 distilled water Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 150000002148 esters Chemical class 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 125000000623 heterocyclic group Chemical group 0.000 description 1
- AMGQUBHHOARCQH-UHFFFAOYSA-N indium;oxotin Chemical compound [In].[Sn]=O AMGQUBHHOARCQH-UHFFFAOYSA-N 0.000 description 1
- 239000007791 liquid phase Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- XULSCZPZVQIMFM-IPZQJPLYSA-N odevixibat Chemical compound C12=CC(SC)=C(OCC(=O)N[C@@H](C(=O)N[C@@H](CC)C(O)=O)C=3C=CC(O)=CC=3)C=C2S(=O)(=O)NC(CCCC)(CCCC)CN1C1=CC=CC=C1 XULSCZPZVQIMFM-IPZQJPLYSA-N 0.000 description 1
- 239000012071 phase Substances 0.000 description 1
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229910000027 potassium carbonate Inorganic materials 0.000 description 1
- 239000002244 precipitate Substances 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 229910052814 silicon oxide Inorganic materials 0.000 description 1
- 235000010288 sodium nitrite Nutrition 0.000 description 1
- HPALAKNZSZLMCH-UHFFFAOYSA-M sodium;chloride;hydrate Chemical compound O.[Na+].[Cl-] HPALAKNZSZLMCH-UHFFFAOYSA-M 0.000 description 1
- 239000007790 solid phase Substances 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 230000001052 transient effect Effects 0.000 description 1
- 229910052724 xenon Inorganic materials 0.000 description 1
- FHNFHKCVQCLJFQ-UHFFFAOYSA-N xenon atom Chemical compound [Xe] FHNFHKCVQCLJFQ-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09B—ORGANIC DYES OR CLOSELY-RELATED COMPOUNDS FOR PRODUCING DYES, e.g. PIGMENTS; MORDANTS; LAKES
- C09B35/00—Disazo and polyazo dyes of the type A<-D->B prepared by diazotising and coupling
- C09B35/50—Tetrazo dyes
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K19/00—Liquid crystal materials
- C09K19/52—Liquid crystal materials characterised by components which are not liquid crystals, e.g. additives with special physical aspect: solvents, solid particles
- C09K19/60—Pleochroic dyes
- C09K19/601—Azoic
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Crystallography & Structural Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Liquid Crystal (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US06/312,678 US4401369A (en) | 1981-10-19 | 1981-10-19 | Class of dichroic dyes for use with liquid crystals |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2514774A1 true FR2514774A1 (fr) | 1983-04-22 |
| FR2514774B1 FR2514774B1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1985-05-24 |
Family
ID=23212508
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR8217495A Granted FR2514774A1 (fr) | 1981-10-19 | 1982-10-19 | Nouvelle classe de colorants dichroiques pour l'utilisation avec des cristaux liquides |
Country Status (6)
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2523147A1 (fr) * | 1982-03-13 | 1983-09-16 | Nippon Kanko Shikiso Kenkyusho | Colorants dichroiques pour cristaux liquides et compositions de cristaux liquides |
| EP0406812A3 (en) * | 1989-07-03 | 1991-12-27 | Hercules Incorporated | Dichroic azo dyes |
Families Citing this family (26)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4493532A (en) * | 1981-11-16 | 1985-01-15 | Hitachi, Ltd. | Pleochroic azo dyes, a liquid crystal composition containing the azo dyes and a display device using the liquid crystal composition |
| JPS58138767A (ja) * | 1982-02-10 | 1983-08-17 | Hitachi Ltd | 液晶組成物及び表示素子 |
| JPS5947261A (ja) * | 1982-09-13 | 1984-03-16 | Nippon Kanko Shikiso Kenkyusho:Kk | 液晶用アゾ色素の二色性改良法 |
| US4588517A (en) * | 1982-06-30 | 1986-05-13 | Hitachi, Ltd. | Liquid crystal composition |
| YU44866B (en) * | 1983-09-09 | 1991-04-30 | Inst Stefan Jozef | Matrix lcd with an internal reflector and a measuring net |
| US4674841A (en) * | 1985-03-08 | 1987-06-23 | Tektronix, Inc. | Color filter switchable among three state via a variable retarder |
| DE3529988A1 (de) * | 1985-08-22 | 1987-02-26 | Basf Ag | Trisazofarbstoffe und deren verwendung in fluessigkristallinen materialien |
| DD257889A1 (de) * | 1987-02-20 | 1988-06-29 | Werk Fernsehelektronik Veb | Verfahren zur herstellung farbiger fluessigkristallanzeigen |
| US5097029A (en) * | 1989-07-03 | 1992-03-17 | Hercules Incorporated | Process for preparing 2,3-dihydro-1,3-dialkyl-2,3-dialkyl perimidines and N,N-'-dialkyl-1,8-naphthalene diamines |
| US5846452A (en) * | 1995-04-06 | 1998-12-08 | Alliant Techsystems Inc. | Liquid crystal optical storage medium with gray scale |
| EP2067064B1 (en) | 2006-09-13 | 2014-06-11 | Rolic AG | Volume photo-aligned retarder |
| EP2094815B1 (en) * | 2006-12-22 | 2012-06-27 | Rolic AG | Patternable liquid crystal polymer comprising thio-ether units |
| JP5566160B2 (ja) * | 2010-03-31 | 2014-08-06 | 富士フイルム株式会社 | 液晶性化合物、液晶性組成物、光吸収異方性膜、及び液晶表示装置 |
| WO2013050120A1 (en) | 2011-10-03 | 2013-04-11 | Rolic Ag | Photo-alignment layers with strong uv-dichroism |
| JP6552410B2 (ja) | 2012-05-30 | 2019-07-31 | ロリク アーゲーＲｏｌｉｃ Ａｇ | 個別にパターン化された異方性を有する素子の高速な製造 |
| KR102415449B1 (ko) | 2013-08-19 | 2022-07-01 | 롤리크 아게 | 광 정렬가능한 오브젝트 |
| EP3126883B1 (en) | 2014-04-03 | 2023-07-12 | ROLIC Technologies AG | Optical devices with patterned anisotropy incorporating parallax optic |
| CN106537632B (zh) | 2014-07-31 | 2020-10-30 | 巴斯夫涂料有限公司 | 引入抗反射性能的oled显示器的封装结构体 |
| CN108350363A (zh) | 2015-11-11 | 2018-07-31 | 罗利克技术有限公司 | 可光对准材料的组合物 |
| KR102590072B1 (ko) | 2016-07-29 | 2023-10-16 | 롤릭 테크놀로지스 아게 | 액정 폴리머 재료의 상부에 정렬을 생성시키는 방법 |
| JP7389147B2 (ja) | 2019-06-28 | 2023-11-29 | ロリク・テクノロジーズ・アーゲー | 新規な重合性液晶 |
| JP7578614B2 (ja) | 2019-06-28 | 2024-11-06 | ロリク・テクノロジーズ・アーゲー | カルバゾールコアを有する新規な重合性液晶 |
| EP3990568B1 (en) | 2019-06-28 | 2023-11-15 | Rolic Technologies AG | New polymerizable liquid crystal having a quinoxaline-hydrazone core |
| JP7623346B2 (ja) | 2019-07-24 | 2025-01-28 | ロリク・テクノロジーズ・アーゲー | 光配向性ポジティブｃ－プレートリターダ |
| US11952524B2 (en) | 2019-08-28 | 2024-04-09 | Rolic Technologies AG | Compositions of polymerizable liquid crystals |
| TW202448972A (zh) | 2023-05-12 | 2024-12-16 | 瑞士商羅立克科技股份公司 | 可聚合液晶組成物 |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4128297A (en) * | 1977-02-23 | 1978-12-05 | Westinghouse Canada Limited | Variable lead optical tracing machine with scanning and vari-focal lens |
| US4145114A (en) * | 1975-06-17 | 1979-03-20 | The Secretary Of State For Defence In Her Britannic Majesty's Government Of The United Kingdom Of Great Britain And Northern Ireland | Pleochroic dyes |
| EP0054837A1 (en) * | 1980-12-22 | 1982-06-30 | General Electric Company | Liquid crystal compositions with tris-azo dichroic dyes |
| GB2090274A (en) * | 1980-12-12 | 1982-07-07 | Minnesota Mining & Mfg | Dichroic dyestuff |
Family Cites Families (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3697478A (en) * | 1970-10-19 | 1972-10-10 | Monsanto Co | Polyamides from pseudo-conjugated azo-aromatic diamines |
| DE2414477C3 (de) * | 1974-03-26 | 1980-11-27 | Cassella Ag, 6000 Frankfurt | Farbstoffzubereitung und Verfahren zum Färben und Bedrucken von hochmolekularen Polyestern und Zellulosetriacetat |
| CH594897A5 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * | 1976-06-23 | 1978-01-31 | Bbc Brown Boveri & Cie | |
| US4179395A (en) * | 1976-09-09 | 1979-12-18 | General Electric Company | Dichroic dyes having a plurality of azo bonding groups |
| US4128497A (en) * | 1976-09-09 | 1978-12-05 | General Electric Company | Dichroic liquid crystal compositions |
| US4122027A (en) * | 1976-11-08 | 1978-10-24 | General Electric Company | Dichroic liquid crystal composition with 4,4-bis (substituted naphthylazo)azobenzene dichroic dyes |
| US4273929A (en) * | 1979-02-05 | 1981-06-16 | Hoffmann-La Roche Inc. | Heterocyclic compounds |
| US4350603A (en) * | 1980-06-30 | 1982-09-21 | General Electric Company | Novel tris-azo dyes and liquid crystal compositions made therewith |
| US4308163A (en) * | 1980-08-04 | 1981-12-29 | General Electric Company | Novel yellow azo dyes and dichroic liquid crystal composition made therewith |
| US4308161A (en) * | 1980-08-04 | 1981-12-29 | General Electric Company | Novel yellow azo dyes and dichroic liquid crystal compositions made therewith |
| US4308164A (en) * | 1980-08-04 | 1981-12-29 | General Electric Company | Novel yellow azo dyes and dichroic liquid crystal composition made therewith |
| US4308162A (en) * | 1980-12-08 | 1981-12-29 | General Electric Company | Novel yellow azo dyes and dichroic liquid crystal compositions made therewith |
-
1981
- 1981-10-19 US US06/312,678 patent/US4401369A/en not_active Expired - Fee Related
-
1982
- 1982-10-15 GB GB08229524A patent/GB2108519B/en not_active Expired
- 1982-10-18 CH CH6059/82A patent/CH656889A5/fr not_active IP Right Cessation
- 1982-10-19 FR FR8217495A patent/FR2514774A1/fr active Granted
- 1982-10-19 JP JP57182234A patent/JPS5879077A/ja active Granted
- 1982-10-19 DE DE19823238702 patent/DE3238702A1/de active Granted
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4145114A (en) * | 1975-06-17 | 1979-03-20 | The Secretary Of State For Defence In Her Britannic Majesty's Government Of The United Kingdom Of Great Britain And Northern Ireland | Pleochroic dyes |
| US4128297A (en) * | 1977-02-23 | 1978-12-05 | Westinghouse Canada Limited | Variable lead optical tracing machine with scanning and vari-focal lens |
| GB2090274A (en) * | 1980-12-12 | 1982-07-07 | Minnesota Mining & Mfg | Dichroic dyestuff |
| EP0054837A1 (en) * | 1980-12-22 | 1982-06-30 | General Electric Company | Liquid crystal compositions with tris-azo dichroic dyes |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2523147A1 (fr) * | 1982-03-13 | 1983-09-16 | Nippon Kanko Shikiso Kenkyusho | Colorants dichroiques pour cristaux liquides et compositions de cristaux liquides |
| EP0406812A3 (en) * | 1989-07-03 | 1991-12-27 | Hercules Incorporated | Dichroic azo dyes |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5879077A (ja) | 1983-05-12 |
| GB2108519B (en) | 1985-10-02 |
| DE3238702C2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1990-03-08 |
| FR2514774B1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1985-05-24 |
| JPH0144235B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1989-09-26 |
| GB2108519A (en) | 1983-05-18 |
| DE3238702A1 (de) | 1983-04-28 |
| US4401369A (en) | 1983-08-30 |
| CH656889A5 (fr) | 1986-07-31 |
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