CA1211976A - Electrophotographic photoconductive elements - Google Patents
Electrophotographic photoconductive elementsInfo
- Publication number
- CA1211976A CA1211976A CA000444184A CA444184A CA1211976A CA 1211976 A CA1211976 A CA 1211976A CA 000444184 A CA000444184 A CA 000444184A CA 444184 A CA444184 A CA 444184A CA 1211976 A CA1211976 A CA 1211976A
- Authority
- CA
- Canada
- Prior art keywords
- group
- zinc oxide
- bis
- substituted
- independently represent
- 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.)
- Expired
Links
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 claims abstract description 157
- 239000011787 zinc oxide Substances 0.000 claims abstract description 75
- 150000001875 compounds Chemical class 0.000 claims abstract description 36
- 229920000515 polycarbonate Polymers 0.000 claims abstract description 21
- 239000011230 binding agent Substances 0.000 claims abstract description 19
- 239000004417 polycarbonate Substances 0.000 claims abstract description 19
- 125000000217 alkyl group Chemical group 0.000 claims abstract description 11
- 125000003118 aryl group Chemical group 0.000 claims abstract description 11
- 125000004435 hydrogen atom Chemical group [H]* 0.000 claims abstract description 11
- 125000000753 cycloalkyl group Chemical group 0.000 claims abstract description 9
- 125000003342 alkenyl group Chemical group 0.000 claims abstract description 8
- 125000004432 carbon atom Chemical group C* 0.000 claims abstract description 5
- 229920006395 saturated elastomer Polymers 0.000 claims abstract description 5
- 229930195734 saturated hydrocarbon Natural products 0.000 claims abstract description 5
- 229930195735 unsaturated hydrocarbon Natural products 0.000 claims abstract description 5
- 125000002887 hydroxy group Chemical group [H]O* 0.000 claims abstract description 4
- 125000003545 alkoxy group Chemical group 0.000 claims abstract description 3
- 125000003277 amino group Chemical group 0.000 claims abstract description 3
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims description 40
- 239000000975 dye Substances 0.000 claims description 23
- 230000001235 sensitizing effect Effects 0.000 claims description 5
- 150000002430 hydrocarbons Chemical group 0.000 claims description 4
- 229920002037 poly(vinyl butyral) polymer Polymers 0.000 claims description 4
- 239000005018 casein Substances 0.000 claims description 3
- BECPQYXYKAMYBN-UHFFFAOYSA-N casein, tech. Chemical compound NCCCCC(C(O)=O)N=C(O)C(CC(O)=O)N=C(O)C(CCC(O)=N)N=C(O)C(CC(C)C)N=C(O)C(CCC(O)=O)N=C(O)C(CC(O)=O)N=C(O)C(CCC(O)=O)N=C(O)C(C(C)O)N=C(O)C(CCC(O)=N)N=C(O)C(CCC(O)=N)N=C(O)C(CCC(O)=N)N=C(O)C(CCC(O)=O)N=C(O)C(CCC(O)=O)N=C(O)C(COP(O)(O)=O)N=C(O)C(CCC(O)=N)N=C(O)C(N)CC1=CC=CC=C1 BECPQYXYKAMYBN-UHFFFAOYSA-N 0.000 claims description 3
- 235000021240 caseins Nutrition 0.000 claims description 3
- 125000000843 phenylene group Chemical group C1(=C(C=CC=C1)*)* 0.000 claims description 3
- 229920000036 polyvinylpyrrolidone Polymers 0.000 claims description 3
- 239000001267 polyvinylpyrrolidone Substances 0.000 claims description 3
- 235000013855 polyvinylpyrrolidone Nutrition 0.000 claims description 3
- 125000001797 benzyl group Chemical group [H]C1=C([H])C([H])=C(C([H])=C1[H])C([H])([H])* 0.000 claims description 2
- 125000001495 ethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 claims description 2
- 229910052739 hydrogen Inorganic materials 0.000 claims description 2
- 239000001257 hydrogen Substances 0.000 claims description 2
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 claims description 2
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 claims description 2
- AAAQKTZKLRYKHR-UHFFFAOYSA-N triphenylmethane Chemical compound C1=CC=CC=C1C(C=1C=CC=CC=1)C1=CC=CC=C1 AAAQKTZKLRYKHR-UHFFFAOYSA-N 0.000 claims description 2
- 239000001018 xanthene dye Substances 0.000 claims description 2
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims 1
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- 125000000392 cycloalkenyl group Chemical group 0.000 abstract description 2
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- -1 hydxoxyl group Chemical group 0.000 description 7
- IJDNQMDRQITEOD-UHFFFAOYSA-N n-butane Chemical compound CCCC IJDNQMDRQITEOD-UHFFFAOYSA-N 0.000 description 7
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- 239000001273 butane Substances 0.000 description 5
- 239000000126 substance Substances 0.000 description 5
- IMNFDUFMRHMDMM-UHFFFAOYSA-N N-Heptane Chemical compound CCCCCCC IMNFDUFMRHMDMM-UHFFFAOYSA-N 0.000 description 4
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 4
- WYURNTSHIVDZCO-UHFFFAOYSA-N Tetrahydrofuran Chemical compound C1CCOC1 WYURNTSHIVDZCO-UHFFFAOYSA-N 0.000 description 4
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- RWSOTUBLDIXVET-UHFFFAOYSA-N Dihydrogen sulfide Chemical compound S RWSOTUBLDIXVET-UHFFFAOYSA-N 0.000 description 3
- XEKOWRVHYACXOJ-UHFFFAOYSA-N Ethyl acetate Chemical compound CCOC(C)=O XEKOWRVHYACXOJ-UHFFFAOYSA-N 0.000 description 3
- ZMXDDKWLCZADIW-UHFFFAOYSA-N N,N-Dimethylformamide Chemical compound CN(C)C=O ZMXDDKWLCZADIW-UHFFFAOYSA-N 0.000 description 3
- 238000007599 discharging Methods 0.000 description 3
- 229910000037 hydrogen sulfide Inorganic materials 0.000 description 3
- 229910052751 metal Inorganic materials 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- VLKZOEOYAKHREP-UHFFFAOYSA-N n-Hexane Chemical compound CCCCCC VLKZOEOYAKHREP-UHFFFAOYSA-N 0.000 description 3
- 229910052757 nitrogen Inorganic materials 0.000 description 3
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- 238000007254 oxidation reaction Methods 0.000 description 3
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- 239000000243 solution Substances 0.000 description 3
- 238000012360 testing method Methods 0.000 description 3
- XLLIQLLCWZCATF-UHFFFAOYSA-N 2-methoxyethyl acetate Chemical compound COCCOC(C)=O XLLIQLLCWZCATF-UHFFFAOYSA-N 0.000 description 2
- WUPHOULIZUERAE-UHFFFAOYSA-N 3-(oxolan-2-yl)propanoic acid Chemical compound OC(=O)CCC1CCCO1 WUPHOULIZUERAE-UHFFFAOYSA-N 0.000 description 2
- LAIUFBWHERIJIH-UHFFFAOYSA-N 3-Methylheptane Chemical compound CCCCC(C)CC LAIUFBWHERIJIH-UHFFFAOYSA-N 0.000 description 2
- DLFVBJFMPXGRIB-UHFFFAOYSA-N Acetamide Chemical compound CC(N)=O DLFVBJFMPXGRIB-UHFFFAOYSA-N 0.000 description 2
- HEDRZPFGACZZDS-UHFFFAOYSA-N Chloroform Chemical compound ClC(Cl)Cl HEDRZPFGACZZDS-UHFFFAOYSA-N 0.000 description 2
- XDTMQSROBMDMFD-UHFFFAOYSA-N Cyclohexane Chemical compound C1CCCCC1 XDTMQSROBMDMFD-UHFFFAOYSA-N 0.000 description 2
- IAZDPXIOMUYVGZ-UHFFFAOYSA-N Dimethylsulphoxide Chemical compound CS(C)=O IAZDPXIOMUYVGZ-UHFFFAOYSA-N 0.000 description 2
- KDLHZDBZIXYQEI-UHFFFAOYSA-N Palladium Chemical compound [Pd] KDLHZDBZIXYQEI-UHFFFAOYSA-N 0.000 description 2
- 239000007983 Tris buffer Substances 0.000 description 2
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 2
- 150000004945 aromatic hydrocarbons Chemical class 0.000 description 2
- 229910052980 cadmium sulfide Inorganic materials 0.000 description 2
- 125000003178 carboxy group Chemical group [H]OC(*)=O 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 229920001577 copolymer Polymers 0.000 description 2
- JHIVVAPYMSGYDF-UHFFFAOYSA-N cyclohexanone Chemical compound O=C1CCCCC1 JHIVVAPYMSGYDF-UHFFFAOYSA-N 0.000 description 2
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- 231100000956 nontoxicity Toxicity 0.000 description 2
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- 125000005372 silanol group Chemical group 0.000 description 2
- YLQBMQCUIZJEEH-UHFFFAOYSA-N tetrahydrofuran Natural products C=1C=COC=1 YLQBMQCUIZJEEH-UHFFFAOYSA-N 0.000 description 2
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- 239000011701 zinc Substances 0.000 description 2
- RYHBNJHYFVUHQT-UHFFFAOYSA-N 1,4-Dioxane Chemical compound C1COCCO1 RYHBNJHYFVUHQT-UHFFFAOYSA-N 0.000 description 1
- OSNMRWURXNWCGA-UHFFFAOYSA-N 2,4-dimethoxy-1-methylbenzene Chemical compound COC1=CC=C(C)C(OC)=C1 OSNMRWURXNWCGA-UHFFFAOYSA-N 0.000 description 1
- ZDTNHRWWURISAA-UHFFFAOYSA-N 4',5'-dibromo-3',6'-dihydroxyspiro[2-benzofuran-3,9'-xanthene]-1-one Chemical compound O1C(=O)C2=CC=CC=C2C21C1=CC=C(O)C(Br)=C1OC1=C(Br)C(O)=CC=C21 ZDTNHRWWURISAA-UHFFFAOYSA-N 0.000 description 1
- QCPFFGGFHNZBEP-UHFFFAOYSA-N 4,5,6,7-tetrachloro-3',6'-dihydroxyspiro[2-benzofuran-3,9'-xanthene]-1-one Chemical compound O1C(=O)C(C(=C(Cl)C(Cl)=C2Cl)Cl)=C2C21C1=CC=C(O)C=C1OC1=CC(O)=CC=C21 QCPFFGGFHNZBEP-UHFFFAOYSA-N 0.000 description 1
- ZPLCXHWYPWVJDL-UHFFFAOYSA-N 4-[(4-hydroxyphenyl)methyl]-1,3-oxazolidin-2-one Chemical compound C1=CC(O)=CC=C1CC1NC(=O)OC1 ZPLCXHWYPWVJDL-UHFFFAOYSA-N 0.000 description 1
- LHGMHYDJNXEEFG-UHFFFAOYSA-N 4-[4-(dimethylamino)phenyl]iminocyclohexa-2,5-dien-1-one Chemical compound C1=CC(N(C)C)=CC=C1N=C1C=CC(=O)C=C1 LHGMHYDJNXEEFG-UHFFFAOYSA-N 0.000 description 1
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- LLLVZDVNHNWSDS-UHFFFAOYSA-N 4-methylidene-3,5-dioxabicyclo[5.2.2]undeca-1(9),7,10-triene-2,6-dione Chemical compound C1(C2=CC=C(C(=O)OC(=C)O1)C=C2)=O LLLVZDVNHNWSDS-UHFFFAOYSA-N 0.000 description 1
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- 239000004576 sand Substances 0.000 description 1
- 229910052711 selenium Inorganic materials 0.000 description 1
- 239000011669 selenium Substances 0.000 description 1
- 229920002050 silicone resin Polymers 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 230000003595 spectral effect Effects 0.000 description 1
- 238000001694 spray drying Methods 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 239000008107 starch Substances 0.000 description 1
- 235000019698 starch Nutrition 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
- 238000010345 tape casting Methods 0.000 description 1
- 239000001016 thiazine dye Substances 0.000 description 1
- XOLBLPGZBRYERU-UHFFFAOYSA-N tin dioxide Chemical compound O=[Sn]=O XOLBLPGZBRYERU-UHFFFAOYSA-N 0.000 description 1
- 229910001887 tin oxide Inorganic materials 0.000 description 1
- 231100000331 toxic Toxicity 0.000 description 1
- 230000002588 toxic effect Effects 0.000 description 1
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 description 1
- 229910052721 tungsten Inorganic materials 0.000 description 1
- 239000010937 tungsten Substances 0.000 description 1
- JFALSRSLKYAFGM-UHFFFAOYSA-N uranium(0) Chemical compound [U] JFALSRSLKYAFGM-UHFFFAOYSA-N 0.000 description 1
- 125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 description 1
- 125000001834 xanthenyl group Chemical group C1=CC=CC=2OC3=CC=CC=C3C(C12)* 0.000 description 1
- 239000008096 xylene Substances 0.000 description 1
Classifications
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
- G03G5/00—Recording members for original recording by exposure, e.g. to light, to heat, to electrons; Manufacture thereof; Selection of materials therefor
- G03G5/02—Charge-receiving layers
- G03G5/04—Photoconductive layers; Charge-generation layers or charge-transporting layers; Additives therefor; Binders therefor
- G03G5/05—Organic bonding materials; Methods for coating a substrate with a photoconductive layer; Inert supplements for use in photoconductive layers
- G03G5/0503—Inert supplements
- G03G5/051—Organic non-macromolecular compounds
- G03G5/0517—Organic non-macromolecular compounds comprising one or more cyclic groups consisting of carbon-atoms only
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
- G03G5/00—Recording members for original recording by exposure, e.g. to light, to heat, to electrons; Manufacture thereof; Selection of materials therefor
- G03G5/02—Charge-receiving layers
- G03G5/04—Photoconductive layers; Charge-generation layers or charge-transporting layers; Additives therefor; Binders therefor
- G03G5/05—Organic bonding materials; Methods for coating a substrate with a photoconductive layer; Inert supplements for use in photoconductive layers
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
- G03G5/00—Recording members for original recording by exposure, e.g. to light, to heat, to electrons; Manufacture thereof; Selection of materials therefor
- G03G5/02—Charge-receiving layers
- G03G5/04—Photoconductive layers; Charge-generation layers or charge-transporting layers; Additives therefor; Binders therefor
- G03G5/06—Photoconductive layers; Charge-generation layers or charge-transporting layers; Additives therefor; Binders therefor characterised by the photoconductive material being organic
- G03G5/0601—Acyclic or carbocyclic compounds
- G03G5/0612—Acyclic or carbocyclic compounds containing nitrogen
- G03G5/0614—Amines
- G03G5/06142—Amines arylamine
- G03G5/06144—Amines arylamine diamine
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Photoreceptors In Electrophotography (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP57224894A JPS59116662A (ja) | 1982-12-23 | 1982-12-23 | 電子写真感光体 |
| JP224894/82 | 1982-12-23 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1211976A true CA1211976A (en) | 1986-09-30 |
Family
ID=16820820
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA000444184A Expired CA1211976A (en) | 1982-12-23 | 1983-12-23 | Electrophotographic photoconductive elements |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US4539282A (enExample) |
| EP (1) | EP0115198B1 (enExample) |
| JP (1) | JPS59116662A (enExample) |
| CA (1) | CA1211976A (enExample) |
| DE (1) | DE3370201D1 (enExample) |
Families Citing this family (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4673627A (en) * | 1984-12-27 | 1987-06-16 | Fuji Photo Film Co., Ltd. | Electrophotographic lithographic printing plate |
| US4820620A (en) * | 1986-07-17 | 1989-04-11 | Minnesota Mining And Manufacturing Company | Supersensitization of and reduction of dark decay rate in photoconductive films |
| US4788336A (en) * | 1987-01-23 | 1988-11-29 | Eastman Kodak Company | Novel organic compounds for use in electrophotographic elements |
| US4822705A (en) * | 1987-02-24 | 1989-04-18 | Ricoh Company, Ltd. | Electrophotographic photoconductor with layer preventing charge injection |
| US4801517A (en) * | 1987-06-10 | 1989-01-31 | Xerox Corporation | Polyarylamine compounds and systems utilizing polyarylamine compounds |
| US4871634A (en) * | 1987-06-10 | 1989-10-03 | Xerox Corporation | Electrophotographic elements using hydroxy functionalized arylamine compounds |
| US4818650A (en) * | 1987-06-10 | 1989-04-04 | Xerox Corporation | Arylamine containing polyhydroxy ether resins and system utilizing arylamine containing polyhydroxyl ether resins |
| US5126223A (en) * | 1988-03-08 | 1992-06-30 | Canon Kabushiki Kaisha | Ozone resistant electrophotographic photosensitive member |
| US5190840A (en) * | 1991-08-22 | 1993-03-02 | Eastman Kodak Company | Multiactive electrophotographic element comprising a polyester of a tetramethyl bisphenol A derivative |
| USH1607H (en) * | 1991-08-22 | 1996-11-05 | Eastman Kodak Company | Multiactive electrophotographic element |
| DE4317059A1 (de) * | 1993-05-21 | 1994-11-24 | Basf Ag | Elektrostatische Toner, enthaltend Polyamine als Ladungsstabilisatoren |
| US5792582A (en) * | 1997-03-03 | 1998-08-11 | Xerox Corporation | Electrophotographic imaging member resistant to charge depletion |
| US6906125B2 (en) * | 2002-09-30 | 2005-06-14 | Xerox Corporation | Composition comprising trisamino-triphenyl compound |
Family Cites Families (21)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3052540A (en) * | 1954-06-02 | 1962-09-04 | Rca Corp | Dye sensitization of electrophotographic materials |
| US3060134A (en) * | 1959-03-03 | 1962-10-23 | New Jersey Zinc Co | Photoconductive zinc oxide pigment |
| US3041167A (en) * | 1959-08-19 | 1962-06-26 | Xerox Corp | Xerographic process |
| US3589897A (en) * | 1968-03-18 | 1971-06-29 | Eastman Kodak Co | Novel electrophotographic sensitizers |
| IL35903A0 (en) * | 1970-01-14 | 1971-02-25 | Gaf Corp | Protoconductive layers for electrophotography |
| JPS5628259B2 (enExample) * | 1973-02-13 | 1981-06-30 | ||
| CA1069372A (en) * | 1974-12-20 | 1980-01-08 | William Mey | Aggregate photoconductive layer contacting inorganic photoconductive-containing layer in multi-active photoconductive element |
| US4218247A (en) * | 1975-02-28 | 1980-08-19 | Teijin Limited | Photoconductive resin containing tertiary amino groups for electrophotography |
| JPS51117635A (en) * | 1975-04-09 | 1976-10-15 | Ricoh Co Ltd | Electrostatic recording method |
| GB1594352A (en) * | 1976-06-09 | 1981-07-30 | Fujitsu Ltd | Photoconductive recording element |
| US4092162A (en) * | 1976-12-22 | 1978-05-30 | Eastman Kodak Company | Nitrogen containing polymers aelements |
| US4304829A (en) * | 1977-09-22 | 1981-12-08 | Xerox Corporation | Imaging system with amino substituted phenyl methane charge transport layer |
| DE2902705C2 (de) * | 1978-01-24 | 1982-12-30 | Kinoshita Laboratory, Shizuoka | Verfahren zur Herstellung eines sensibilisierten Zinkoxids und Verwendung des sensibilisierten Zinkoxids zur Herstellung lichtempfindlicher Schichten elektrostatographischer Aufzeichnungsmaterialien |
| JPS5560953A (en) * | 1978-10-31 | 1980-05-08 | Ricoh Co Ltd | Photoreceptor for electrophotography |
| US4346158A (en) * | 1978-12-04 | 1982-08-24 | Xerox Corporation | Imaging system with a diamine charge transport material in a polycarbonate resin |
| JPS5614240A (en) * | 1979-07-16 | 1981-02-12 | Konishiroku Photo Ind Co Ltd | Electrophotographic receptor |
| US4297425A (en) * | 1979-09-24 | 1981-10-27 | Xerox Corporation | Imaging member |
| JPS5665141A (en) * | 1979-11-01 | 1981-06-02 | Tomoegawa Paper Co Ltd | Transfer type electrophotographic sensitive medium |
| JPS56121044A (en) * | 1980-02-28 | 1981-09-22 | Ricoh Co Ltd | Electrophotographic composite receptor |
| JPS56125746A (en) * | 1980-03-08 | 1981-10-02 | Mita Ind Co Ltd | Electrophotographic receptive layer |
| US4337305A (en) * | 1981-02-23 | 1982-06-29 | Minnesota Mining And Manufacturing Company | Sensitized organic electron donor compounds |
-
1982
- 1982-12-23 JP JP57224894A patent/JPS59116662A/ja active Granted
-
1983
- 1983-12-20 US US06/563,437 patent/US4539282A/en not_active Expired - Lifetime
- 1983-12-23 EP EP83307944A patent/EP0115198B1/en not_active Expired
- 1983-12-23 DE DE8383307944T patent/DE3370201D1/de not_active Expired
- 1983-12-23 CA CA000444184A patent/CA1211976A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| US4539282A (en) | 1985-09-03 |
| EP0115198B1 (en) | 1987-03-11 |
| EP0115198A1 (en) | 1984-08-08 |
| JPS6357780B2 (enExample) | 1988-11-14 |
| DE3370201D1 (en) | 1987-04-16 |
| JPS59116662A (ja) | 1984-07-05 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MKEX | Expiry |