DE2748283C2 - Elektrographisches Aufzeichnungsverfahren - Google Patents
Elektrographisches AufzeichnungsverfahrenInfo
- Publication number
- DE2748283C2 DE2748283C2 DE2748283A DE2748283A DE2748283C2 DE 2748283 C2 DE2748283 C2 DE 2748283C2 DE 2748283 A DE2748283 A DE 2748283A DE 2748283 A DE2748283 A DE 2748283A DE 2748283 C2 DE2748283 C2 DE 2748283C2
- Authority
- DE
- Germany
- Prior art keywords
- recording
- signal
- electrostatic
- image
- dielectric layer
- 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
- 238000000034 method Methods 0.000 title claims description 30
- 230000008569 process Effects 0.000 title description 6
- 239000000463 material Substances 0.000 claims description 33
- 239000000843 powder Substances 0.000 claims description 19
- 239000000126 substance Substances 0.000 claims description 12
- 239000000696 magnetic material Substances 0.000 claims description 7
- 229920000642 polymer Polymers 0.000 claims description 6
- 125000004185 ester group Chemical group 0.000 claims description 2
- 229910052736 halogen Inorganic materials 0.000 claims description 2
- 150000002367 halogens Chemical class 0.000 claims description 2
- 229920005989 resin Polymers 0.000 description 26
- 239000011347 resin Substances 0.000 description 26
- 238000011161 development Methods 0.000 description 14
- 229920000178 Acrylic resin Polymers 0.000 description 12
- 239000004925 Acrylic resin Substances 0.000 description 12
- -1 polypropylene Polymers 0.000 description 12
- 229920002554 vinyl polymer Polymers 0.000 description 11
- 230000015572 biosynthetic process Effects 0.000 description 10
- 229920001971 elastomer Polymers 0.000 description 9
- 239000005060 rubber Substances 0.000 description 9
- 239000006258 conductive agent Substances 0.000 description 7
- 229920001577 copolymer Polymers 0.000 description 7
- 239000002245 particle Substances 0.000 description 7
- 125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 description 7
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N Iron oxide Chemical compound [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 description 6
- 239000011230 binding agent Substances 0.000 description 6
- 241001233037 catfish Species 0.000 description 6
- 238000010586 diagram Methods 0.000 description 6
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 6
- 239000001993 wax Substances 0.000 description 6
- 239000004743 Polypropylene Substances 0.000 description 4
- 239000003989 dielectric material Substances 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 239000000203 mixture Substances 0.000 description 4
- 229920001155 polypropylene Polymers 0.000 description 4
- 229920000181 Ethylene propylene rubber Polymers 0.000 description 3
- 239000004793 Polystyrene Substances 0.000 description 3
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 3
- BZHJMEDXRYGGRV-UHFFFAOYSA-N Vinyl chloride Chemical compound ClC=C BZHJMEDXRYGGRV-UHFFFAOYSA-N 0.000 description 3
- 230000003321 amplification Effects 0.000 description 3
- 239000003795 chemical substances by application Substances 0.000 description 3
- 239000011248 coating agent Substances 0.000 description 3
- 238000000576 coating method Methods 0.000 description 3
- 238000010438 heat treatment Methods 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 238000003199 nucleic acid amplification method Methods 0.000 description 3
- 229920000728 polyester Polymers 0.000 description 3
- 239000000758 substrate Substances 0.000 description 3
- 229920003002 synthetic resin Polymers 0.000 description 3
- 239000000057 synthetic resin Substances 0.000 description 3
- 238000012360 testing method Methods 0.000 description 3
- NIXOWILDQLNWCW-UHFFFAOYSA-N 2-Propenoic acid Natural products OC(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 2
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 description 2
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 2
- 239000004698 Polyethylene Substances 0.000 description 2
- 229920002125 Sokalan® Polymers 0.000 description 2
- 229920002433 Vinyl chloride-vinyl acetate copolymer Polymers 0.000 description 2
- 229920000180 alkyd Polymers 0.000 description 2
- 238000004364 calculation method Methods 0.000 description 2
- 239000006229 carbon black Substances 0.000 description 2
- 235000014113 dietary fatty acids Nutrition 0.000 description 2
- 239000003822 epoxy resin Substances 0.000 description 2
- 150000002148 esters Chemical class 0.000 description 2
- 239000000194 fatty acid Substances 0.000 description 2
- 229930195729 fatty acid Natural products 0.000 description 2
- 150000004665 fatty acids Chemical class 0.000 description 2
- LNEPOXFFQSENCJ-UHFFFAOYSA-N haloperidol Chemical compound C1CC(O)(C=2C=CC(Cl)=CC=2)CCN1CCCC(=O)C1=CC=C(F)C=C1 LNEPOXFFQSENCJ-UHFFFAOYSA-N 0.000 description 2
- QQVIHTHCMHWDBS-UHFFFAOYSA-L isophthalate(2-) Chemical compound [O-]C(=O)C1=CC=CC(C([O-])=O)=C1 QQVIHTHCMHWDBS-UHFFFAOYSA-L 0.000 description 2
- 239000006247 magnetic powder Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 239000000025 natural resin Substances 0.000 description 2
- 235000019271 petrolatum Nutrition 0.000 description 2
- 229920000647 polyepoxide Polymers 0.000 description 2
- 229920000573 polyethylene Polymers 0.000 description 2
- 229920002223 polystyrene Polymers 0.000 description 2
- 229920006395 saturated elastomer Polymers 0.000 description 2
- 230000035945 sensitivity Effects 0.000 description 2
- 239000002904 solvent Substances 0.000 description 2
- SMZOUWXMTYCWNB-UHFFFAOYSA-N 2-(2-methoxy-5-methylphenyl)ethanamine Chemical compound COC1=CC=C(C)C=C1CCN SMZOUWXMTYCWNB-UHFFFAOYSA-N 0.000 description 1
- 239000004709 Chlorinated polyethylene Substances 0.000 description 1
- 241000016649 Copaifera officinalis Species 0.000 description 1
- 239000004859 Copal Substances 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 229920000742 Cotton Polymers 0.000 description 1
- 229920002943 EPDM rubber Polymers 0.000 description 1
- 244000043261 Hevea brasiliensis Species 0.000 description 1
- 229910001030 Iron–nickel alloy Inorganic materials 0.000 description 1
- 239000004166 Lanolin Substances 0.000 description 1
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 1
- 229920000877 Melamine resin Polymers 0.000 description 1
- 239000004264 Petrolatum Substances 0.000 description 1
- 229920002845 Poly(methacrylic acid) Chemical class 0.000 description 1
- 239000004952 Polyamide Substances 0.000 description 1
- 239000005062 Polybutadiene Substances 0.000 description 1
- 229920002367 Polyisobutene Polymers 0.000 description 1
- 229920001800 Shellac Polymers 0.000 description 1
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 1
- 241000519995 Stachys sylvatica Species 0.000 description 1
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 1
- 229920001807 Urea-formaldehyde Polymers 0.000 description 1
- QYKIQEUNHZKYBP-UHFFFAOYSA-N Vinyl ether Chemical compound C=COC=C QYKIQEUNHZKYBP-UHFFFAOYSA-N 0.000 description 1
- JHNCXGXWSIOXSX-UHFFFAOYSA-N [Nd+3].[O-2].[Fe+2] Chemical compound [Nd+3].[O-2].[Fe+2] JHNCXGXWSIOXSX-UHFFFAOYSA-N 0.000 description 1
- 239000006096 absorbing agent Substances 0.000 description 1
- 239000011354 acetal resin Substances 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229940053200 antiepileptics fatty acid derivative Drugs 0.000 description 1
- RTVHKGIVFVKLDJ-UHFFFAOYSA-N barium(2+);iron(3+);oxygen(2-) Chemical compound [O-2].[O-2].[O-2].[O-2].[Fe+3].[Fe+3].[Ba+2] RTVHKGIVFVKLDJ-UHFFFAOYSA-N 0.000 description 1
- 235000013871 bee wax Nutrition 0.000 description 1
- 235000015278 beef Nutrition 0.000 description 1
- 239000012166 beeswax Substances 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 229920005549 butyl rubber Polymers 0.000 description 1
- BAXLMRUQFAMMQC-UHFFFAOYSA-N cadmium(2+) iron(2+) oxygen(2-) Chemical compound [Cd+2].[O-2].[Fe+2].[O-2] BAXLMRUQFAMMQC-UHFFFAOYSA-N 0.000 description 1
- 239000004203 carnauba wax Substances 0.000 description 1
- 235000013869 carnauba wax Nutrition 0.000 description 1
- 125000002091 cationic group Chemical group 0.000 description 1
- 229920002301 cellulose acetate Polymers 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- GRLMDYKYQBNMID-UHFFFAOYSA-N copper iron(3+) oxygen(2-) Chemical compound [O-2].[O-2].[O-2].[O-2].[Fe+3].[Fe+3].[Cu+2] GRLMDYKYQBNMID-UHFFFAOYSA-N 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000004090 dissolution Methods 0.000 description 1
- MHOUPRDCDVWIAR-UHFFFAOYSA-N formaldehyde phthalic acid Chemical compound C(C=1C(C(=O)O)=CC=CC1)(=O)O.C=O MHOUPRDCDVWIAR-UHFFFAOYSA-N 0.000 description 1
- 235000011187 glycerol Nutrition 0.000 description 1
- NNGHIEIYUJKFQS-UHFFFAOYSA-L hydroxy(oxo)iron;zinc Chemical compound [Zn].O[Fe]=O.O[Fe]=O NNGHIEIYUJKFQS-UHFFFAOYSA-L 0.000 description 1
- 229920000831 ionic polymer Polymers 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- DMTIXTXDJGWVCO-UHFFFAOYSA-N iron(2+) nickel(2+) oxygen(2-) Chemical compound [O--].[O--].[Fe++].[Ni++] DMTIXTXDJGWVCO-UHFFFAOYSA-N 0.000 description 1
- CUSDLVIPMHDAFT-UHFFFAOYSA-N iron(3+);manganese(2+);oxygen(2-) Chemical compound [O-2].[O-2].[O-2].[O-2].[Mn+2].[Fe+3].[Fe+3] CUSDLVIPMHDAFT-UHFFFAOYSA-N 0.000 description 1
- 150000002576 ketones Chemical class 0.000 description 1
- 235000019388 lanolin Nutrition 0.000 description 1
- 229940039717 lanolin Drugs 0.000 description 1
- 229910052746 lanthanum Inorganic materials 0.000 description 1
- FZLIPJUXYLNCLC-UHFFFAOYSA-N lanthanum atom Chemical compound [La] FZLIPJUXYLNCLC-UHFFFAOYSA-N 0.000 description 1
- 229910052749 magnesium Inorganic materials 0.000 description 1
- 239000011777 magnesium Substances 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000004200 microcrystalline wax Substances 0.000 description 1
- 235000019808 microcrystalline wax Nutrition 0.000 description 1
- 239000000178 monomer Substances 0.000 description 1
- 239000012170 montan wax Substances 0.000 description 1
- 229920003052 natural elastomer Polymers 0.000 description 1
- 229920001194 natural rubber Polymers 0.000 description 1
- 239000008601 oleoresin Substances 0.000 description 1
- 239000012188 paraffin wax Substances 0.000 description 1
- 235000019809 paraffin wax Nutrition 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 229940066842 petrolatum Drugs 0.000 description 1
- 229920001568 phenolic resin Polymers 0.000 description 1
- 239000005011 phenolic resin Substances 0.000 description 1
- 230000010287 polarization Effects 0.000 description 1
- 229920001200 poly(ethylene-vinyl acetate) Polymers 0.000 description 1
- 229920002037 poly(vinyl butyral) polymer Polymers 0.000 description 1
- 239000004584 polyacrylic acid Substances 0.000 description 1
- 229920002647 polyamide Polymers 0.000 description 1
- 229920006122 polyamide resin Polymers 0.000 description 1
- 229920002857 polybutadiene Polymers 0.000 description 1
- 229920000515 polycarbonate Polymers 0.000 description 1
- 239000004417 polycarbonate Substances 0.000 description 1
- 229920001225 polyester resin Polymers 0.000 description 1
- 239000004645 polyester resin Substances 0.000 description 1
- 229920000139 polyethylene terephthalate Polymers 0.000 description 1
- 239000005020 polyethylene terephthalate Substances 0.000 description 1
- 229920006324 polyoxymethylene Polymers 0.000 description 1
- 229920001343 polytetrafluoroethylene Polymers 0.000 description 1
- 239000004810 polytetrafluoroethylene Substances 0.000 description 1
- 229920000874 polytetramethylene terephthalate Polymers 0.000 description 1
- 229920002620 polyvinyl fluoride Polymers 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 239000004208 shellac Substances 0.000 description 1
- 235000013874 shellac Nutrition 0.000 description 1
- 229940113147 shellac Drugs 0.000 description 1
- ZLGIYFNHBLSMPS-ATJNOEHPSA-N shellac Chemical compound OCCCCCC(O)C(O)CCCCCCCC(O)=O.C1C23[C@H](C(O)=O)CCC2[C@](C)(CO)[C@@H]1C(C(O)=O)=C[C@@H]3O ZLGIYFNHBLSMPS-ATJNOEHPSA-N 0.000 description 1
- RMAQACBXLXPBSY-UHFFFAOYSA-N silicic acid Chemical compound O[Si](O)(O)O RMAQACBXLXPBSY-UHFFFAOYSA-N 0.000 description 1
- 235000012239 silicon dioxide Nutrition 0.000 description 1
- 229920002545 silicone oil Polymers 0.000 description 1
- 229920002050 silicone resin Polymers 0.000 description 1
- 239000000779 smoke Substances 0.000 description 1
- 239000000344 soap Substances 0.000 description 1
- 150000003440 styrenes Chemical class 0.000 description 1
- 239000004094 surface-active agent Substances 0.000 description 1
- 229920003051 synthetic elastomer Polymers 0.000 description 1
- 239000005061 synthetic rubber Substances 0.000 description 1
- 239000003760 tallow Substances 0.000 description 1
- 229920001169 thermoplastic Polymers 0.000 description 1
- 229920005992 thermoplastic resin Polymers 0.000 description 1
- 239000004416 thermosoftening plastic Substances 0.000 description 1
- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 description 1
- 238000012546 transfer Methods 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
- 229920006163 vinyl copolymer Polymers 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
- G03G15/00—Apparatus for electrographic processes using a charge pattern
- G03G15/22—Apparatus for electrographic processes using a charge pattern involving the combination of more than one step according to groups G03G13/02 - G03G13/20
- G03G15/32—Apparatus for electrographic processes using a charge pattern involving the combination of more than one step according to groups G03G13/02 - G03G13/20 in which the charge pattern is formed dotwise, e.g. by a thermal head
- G03G15/321—Apparatus for electrographic processes using a charge pattern involving the combination of more than one step according to groups G03G13/02 - G03G13/20 in which the charge pattern is formed dotwise, e.g. by a thermal head by charge transfer onto the recording material in accordance with the image
- G03G15/325—Apparatus for electrographic processes using a charge pattern involving the combination of more than one step according to groups G03G13/02 - G03G13/20 in which the charge pattern is formed dotwise, e.g. by a thermal head by charge transfer onto the recording material in accordance with the image using a stylus or a multi-styli array
-
- 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
- G03G5/0202—Dielectric layers for electrography
-
- 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
- G03G5/0202—Dielectric layers for electrography
- G03G5/0205—Macromolecular components
- G03G5/0208—Macromolecular components obtained by reactions only involving carbon-to-carbon unsatured bonds
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Printers Or Recording Devices Using Electromagnetic And Radiation Means (AREA)
- Developing Agents For Electrophotography (AREA)
- Magnetic Brush Developing In Electrophotography (AREA)
- Fax Reproducing Arrangements (AREA)
- Dot-Matrix Printers And Others (AREA)
- Electrophotography Using Other Than Carlson'S Method (AREA)
- Photoreceptors In Electrophotography (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12902776A JPS5354023A (en) | 1976-10-27 | 1976-10-27 | Improvement in electric recording method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DE2748283A1 DE2748283A1 (de) | 1978-05-03 |
| DE2748283C2 true DE2748283C2 (de) | 1984-10-25 |
Family
ID=14999315
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE2748283A Expired DE2748283C2 (de) | 1976-10-27 | 1977-10-27 | Elektrographisches Aufzeichnungsverfahren |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US4150388A (OSRAM) |
| JP (1) | JPS5354023A (OSRAM) |
| DE (1) | DE2748283C2 (OSRAM) |
| FR (1) | FR2369602A1 (OSRAM) |
| GB (1) | GB1572301A (OSRAM) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4951952B2 (ja) * | 2005-12-12 | 2012-06-13 | Ｎｋワークス株式会社 | 画像形成装置 |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2918608A (en) * | 1956-06-25 | 1959-12-22 | Harold F Rieth | Selective group energizing system |
| US3434878A (en) * | 1964-10-26 | 1969-03-25 | Hewlett Packard Co | Method of forming a multicolor electrosensitive recording medium and article |
| US3534383A (en) * | 1964-12-14 | 1970-10-13 | Fujitsu Ltd | Method of electrostatic recording and electrostatic recording apparatus |
| US3713996A (en) * | 1971-01-06 | 1973-01-30 | Bausch & Lomb | Electrosensitive recording media |
| ZA73911B (en) * | 1972-03-15 | 1973-11-28 | Minnesota Mining & Mfg | Electrographic development process |
| NL168347C (nl) * | 1972-03-16 | 1982-03-16 | Oce Van Der Grinten Nv | Werkwijze voor het vervaardigen van zichtbare beelden door een langs elektrofotografische weg gevormd ladingsbeeld te ontwikkelen met een tonerpoeder dat gekleurde of zwarte, fijn verdeelde deeltjes van een thermoplastische hars bevat. |
| US3778841A (en) * | 1972-08-09 | 1973-12-11 | Xerox Corp | Induction imaging system |
| US3974041A (en) * | 1973-12-10 | 1976-08-10 | Canon Kabushiki Kaisha | Image recording member with zeolitic water containing compounds |
| JPS52143826A (en) * | 1976-05-26 | 1977-11-30 | Mita Industrial Co Ltd | Electric recording method |
-
1976
- 1976-10-27 JP JP12902776A patent/JPS5354023A/ja active Granted
-
1977
- 1977-10-25 US US05/845,215 patent/US4150388A/en not_active Expired - Lifetime
- 1977-10-27 GB GB44812/77A patent/GB1572301A/en not_active Expired
- 1977-10-27 FR FR7732445A patent/FR2369602A1/fr active Granted
- 1977-10-27 DE DE2748283A patent/DE2748283C2/de not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| GB1572301A (en) | 1980-07-30 |
| FR2369602B1 (OSRAM) | 1983-12-23 |
| JPS5719432B2 (OSRAM) | 1982-04-22 |
| JPS5354023A (en) | 1978-05-17 |
| US4150388A (en) | 1979-04-17 |
| DE2748283A1 (de) | 1978-05-03 |
| FR2369602A1 (fr) | 1978-05-26 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 8110 | Request for examination paragraph 44 | ||
| 8128 | New person/name/address of the agent |
Representative=s name: KOHLER, M., DIPL.-CHEM. DR.RER.NAT., PAT.-ANW., 80 |
|
| 8125 | Change of the main classification |
Ipc: G03G 13/044 |
|
| D2 | Grant after examination | ||
| 8364 | No opposition during term of opposition | ||
| 8339 | Ceased/non-payment of the annual fee |