CH659717A5 - Appareil pour chauffer une feuille, notamment dans un electrophotocopieur. - Google Patents
Appareil pour chauffer une feuille, notamment dans un electrophotocopieur. Download PDFInfo
- Publication number
- CH659717A5 CH659717A5 CH864/84A CH86484A CH659717A5 CH 659717 A5 CH659717 A5 CH 659717A5 CH 864/84 A CH864/84 A CH 864/84A CH 86484 A CH86484 A CH 86484A CH 659717 A5 CH659717 A5 CH 659717A5
- Authority
- CH
- Switzerland
- Prior art keywords
- temperature
- sheet
- circuit
- liquid
- output signal
- Prior art date
Links
- 238000010438 heat treatment Methods 0.000 title claims description 25
- 239000003054 catalyst Substances 0.000 claims description 106
- 239000007788 liquid Substances 0.000 claims description 76
- 238000007254 oxidation reaction Methods 0.000 claims description 59
- 230000003647 oxidation Effects 0.000 claims description 48
- 238000001816 cooling Methods 0.000 claims description 22
- 239000003795 chemical substances by application Substances 0.000 claims description 13
- 229930195733 hydrocarbon Natural products 0.000 claims description 12
- 150000002430 hydrocarbons Chemical class 0.000 claims description 12
- 239000004215 Carbon black (E152) Substances 0.000 claims description 7
- 230000004913 activation Effects 0.000 claims description 7
- 230000001590 oxidative effect Effects 0.000 claims description 5
- 239000002245 particle Substances 0.000 claims description 5
- 238000005485 electric heating Methods 0.000 claims description 4
- 238000000034 method Methods 0.000 claims description 4
- 239000003550 marker Substances 0.000 claims 2
- 239000000463 material Substances 0.000 claims 2
- 230000003213 activating effect Effects 0.000 claims 1
- 210000000056 organ Anatomy 0.000 claims 1
- 239000003570 air Substances 0.000 description 78
- 230000033458 reproduction Effects 0.000 description 74
- 239000007789 gas Substances 0.000 description 44
- 239000002270 dispersing agent Substances 0.000 description 19
- 230000004069 differentiation Effects 0.000 description 18
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 12
- 239000004744 fabric Substances 0.000 description 11
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 10
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 9
- 238000001035 drying Methods 0.000 description 9
- 239000002904 solvent Substances 0.000 description 9
- 230000003197 catalytic effect Effects 0.000 description 8
- 238000002347 injection Methods 0.000 description 7
- 239000007924 injection Substances 0.000 description 7
- 239000000872 buffer Substances 0.000 description 6
- 230000002829 reductive effect Effects 0.000 description 6
- 239000000377 silicon dioxide Substances 0.000 description 6
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 5
- 230000009471 action Effects 0.000 description 5
- 239000000835 fiber Substances 0.000 description 5
- 239000000976 ink Substances 0.000 description 5
- 229910052697 platinum Inorganic materials 0.000 description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 5
- 210000002268 wool Anatomy 0.000 description 5
- CNPVJWYWYZMPDS-UHFFFAOYSA-N 2-methyldecane Chemical group CCCCCCCCC(C)C CNPVJWYWYZMPDS-UHFFFAOYSA-N 0.000 description 4
- SGVYKUFIHHTIFL-UHFFFAOYSA-N 2-methylnonane Chemical compound CCCCCCCC(C)C SGVYKUFIHHTIFL-UHFFFAOYSA-N 0.000 description 4
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 4
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 4
- ATUOYWHBWRKTHZ-UHFFFAOYSA-N Propane Chemical compound CCC ATUOYWHBWRKTHZ-UHFFFAOYSA-N 0.000 description 4
- 239000003990 capacitor Substances 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 4
- 238000006073 displacement reaction Methods 0.000 description 4
- 238000004140 cleaning Methods 0.000 description 3
- 230000000881 depressing effect Effects 0.000 description 3
- 238000011161 development Methods 0.000 description 3
- 238000001704 evaporation Methods 0.000 description 3
- 230000008020 evaporation Effects 0.000 description 3
- 239000012535 impurity Substances 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- VLKZOEOYAKHREP-UHFFFAOYSA-N n-Hexane Chemical compound CCCCCC VLKZOEOYAKHREP-UHFFFAOYSA-N 0.000 description 3
- 229910001120 nichrome Inorganic materials 0.000 description 3
- MWUXSHHQAYIFBG-UHFFFAOYSA-N nitrogen oxide Inorganic materials O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 description 3
- 238000007639 printing Methods 0.000 description 3
- 230000002441 reversible effect Effects 0.000 description 3
- 231100000331 toxic Toxicity 0.000 description 3
- 230000002588 toxic effect Effects 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 2
- KDLHZDBZIXYQEI-UHFFFAOYSA-N Palladium Chemical compound [Pd] KDLHZDBZIXYQEI-UHFFFAOYSA-N 0.000 description 2
- RAHZWNYVWXNFOC-UHFFFAOYSA-N Sulphur dioxide Chemical compound O=S=O RAHZWNYVWXNFOC-UHFFFAOYSA-N 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 238000009395 breeding Methods 0.000 description 2
- 230000001488 breeding effect Effects 0.000 description 2
- 239000001273 butane Substances 0.000 description 2
- 229910052799 carbon Inorganic materials 0.000 description 2
- 239000001569 carbon dioxide Substances 0.000 description 2
- 229910002092 carbon dioxide Inorganic materials 0.000 description 2
- 238000002485 combustion reaction Methods 0.000 description 2
- 238000009833 condensation Methods 0.000 description 2
- 230000005494 condensation Effects 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 239000006185 dispersion Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 231100001261 hazardous Toxicity 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- IJDNQMDRQITEOD-UHFFFAOYSA-N n-butane Chemical compound CCCC IJDNQMDRQITEOD-UHFFFAOYSA-N 0.000 description 2
- OFBQJSOFQDEBGM-UHFFFAOYSA-N n-pentane Natural products CCCCC OFBQJSOFQDEBGM-UHFFFAOYSA-N 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 231100000614 poison Toxicity 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 239000001294 propane Substances 0.000 description 2
- 230000001681 protective effect Effects 0.000 description 2
- 239000007921 spray Substances 0.000 description 2
- 230000002110 toxicologic effect Effects 0.000 description 2
- 231100000027 toxicology Toxicity 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- 238000004804 winding Methods 0.000 description 2
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 1
- 235000008733 Citrus aurantifolia Nutrition 0.000 description 1
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
- 235000011941 Tilia x europaea Nutrition 0.000 description 1
- 230000002745 absorbent Effects 0.000 description 1
- 239000002250 absorbent Substances 0.000 description 1
- 239000012080 ambient air Substances 0.000 description 1
- 230000001174 ascending effect Effects 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000007844 bleaching agent Substances 0.000 description 1
- 125000004432 carbon atom Chemical group C* 0.000 description 1
- 229910052804 chromium Inorganic materials 0.000 description 1
- 239000011651 chromium Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000000994 depressogenic effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000002320 enamel (paints) Substances 0.000 description 1
- 230000005284 excitation Effects 0.000 description 1
- 239000011888 foil Substances 0.000 description 1
- 239000003365 glass fiber Substances 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 230000001939 inductive effect Effects 0.000 description 1
- 230000000977 initiatory effect Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 239000012212 insulator Substances 0.000 description 1
- 239000004571 lime Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 229910052763 palladium Inorganic materials 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
- 239000002574 poison Substances 0.000 description 1
- 230000010287 polarization Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 230000003134 recirculating effect Effects 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 238000005057 refrigeration Methods 0.000 description 1
- 238000003303 reheating Methods 0.000 description 1
- 230000029058 respiratory gaseous exchange Effects 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 229910052703 rhodium Inorganic materials 0.000 description 1
- 239000010948 rhodium Substances 0.000 description 1
- MHOVAHRLVXNVSD-UHFFFAOYSA-N rhodium atom Chemical compound [Rh] MHOVAHRLVXNVSD-UHFFFAOYSA-N 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000009987 spinning Methods 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 229910052717 sulfur Inorganic materials 0.000 description 1
- 239000011593 sulfur Substances 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 239000003440 toxic substance Substances 0.000 description 1
- 238000009834 vaporization Methods 0.000 description 1
- 230000008016 vaporization Effects 0.000 description 1
- 239000002966 varnish Substances 0.000 description 1
- 239000002759 woven fabric 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
- G03G15/00—Apparatus for electrographic processes using a charge pattern
- G03G15/06—Apparatus for electrographic processes using a charge pattern for developing
- G03G15/10—Apparatus for electrographic processes using a charge pattern for developing using a liquid developer
- G03G15/107—Condensing developer fumes
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Fixing For Electrophotography (AREA)
- Wet Developing In Electrophotography (AREA)
- Liquid Developers In Electrophotography (AREA)
- Physical Or Chemical Processes And Apparatus (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US06/468,507 US4538899A (en) | 1983-02-22 | 1983-02-22 | Catalytic fixer-dryer for liquid developed electrophotocopiers |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CH659717A5 true CH659717A5 (fr) | 1987-02-13 |
Family
ID=23860077
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CH864/84A CH659717A5 (fr) | 1983-02-22 | 1984-02-22 | Appareil pour chauffer une feuille, notamment dans un electrophotocopieur. |
Country Status (8)
| Country | Link |
|---|---|
| US (1) | US4538899A (https=) |
| JP (1) | JPS59159188A (https=) |
| CA (1) | CA1213138A (https=) |
| CH (1) | CH659717A5 (https=) |
| DE (1) | DE3406290A1 (https=) |
| FR (1) | FR2541472B1 (https=) |
| GB (1) | GB2135242B (https=) |
| IT (1) | IT1173319B (https=) |
Families Citing this family (43)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4639405A (en) * | 1985-09-30 | 1987-01-27 | Eastman Kodak Company | Method and apparatus for fixing toner images |
| US4687319A (en) * | 1986-06-18 | 1987-08-18 | Xerox Corporation | Liquid carrier reclaiming apparatus |
| US4745432A (en) * | 1987-01-30 | 1988-05-17 | Xerox Corporation | Liquid ink fusing system |
| US4731635A (en) * | 1987-02-12 | 1988-03-15 | Xerox Corporation | Liquid ink fusing and carrier removal system |
| US4731636A (en) * | 1987-03-09 | 1988-03-15 | Xerox Corporation | Liquid carrier recovery system |
| EP0323615B1 (en) * | 1987-12-28 | 1993-06-09 | Fuji Photo Film Co., Ltd. | Developer treatment apparatus |
| US5198195A (en) * | 1987-12-28 | 1993-03-30 | Fuji Photo Film Co., Ltd. | Developer treatment apparatus |
| US5270776A (en) * | 1988-06-06 | 1993-12-14 | Spectrum Sciences B.V. | Method for fusing developed image |
| US5636349A (en) * | 1988-09-08 | 1997-06-03 | Indigo N.V. | Method and apparatus for imaging using an intermediate transfer member |
| US5157238A (en) * | 1988-09-08 | 1992-10-20 | Spectrum Sciences, B.V. | Fusing apparatus and method |
| US5294406A (en) * | 1988-11-02 | 1994-03-15 | Fuji Photo Film Co., Ltd. | Waste solution treatment apparatus |
| IL111846A0 (en) * | 1994-12-01 | 1995-03-15 | Indigo Nv | Imaging apparatus and intermediate transfer blanket therefor |
| US5020244A (en) * | 1989-12-01 | 1991-06-04 | International Business Machines Corporation | Method and apparatus for drying liquid on printed media |
| US5815783A (en) * | 1989-12-06 | 1998-09-29 | Indigo N.V. | Method and apparatus for printing on both sides of a substrate |
| CA2031775A1 (en) * | 1989-12-28 | 1991-06-29 | Mark F. Duchesne | Dryer-fuser apparatus and method for high speed electrophotographic printing device |
| US5177877A (en) * | 1989-12-28 | 1993-01-12 | Am International, Inc. | Dryer-fuser apparatus and method for high speed electrophotographic printing device |
| US5014090A (en) * | 1990-03-28 | 1991-05-07 | Eastman Kodak Company | Method and apparatus for improving a multi-color electrophotographic image using vapor fusing |
| US5197323A (en) * | 1990-07-13 | 1993-03-30 | Sparta, Inc. | Pebble-bed heater and shock tube assembly |
| US5140377A (en) * | 1991-11-25 | 1992-08-18 | Xerox Corporation | Thermal fusing of toner in xerographic apparatus using water vapor |
| US5235393A (en) * | 1992-01-06 | 1993-08-10 | Eastman Kodak Company | Toner image-fixing apparatus having air cooling device |
| US5480332A (en) * | 1994-04-25 | 1996-01-02 | Cynamon; Sam | Multiple victim rescue device |
| US5737674A (en) * | 1995-11-20 | 1998-04-07 | Minnesota Mining And Manufacturing Company | Vapor control system for and a liquid electrographic system |
| US5784679A (en) * | 1997-03-31 | 1998-07-21 | Xerox Corporation | Apparatus for drying and pressing an image to a copy sheet |
| JP3028950B1 (ja) * | 1998-12-01 | 2000-04-04 | 新潟日本電気株式会社 | 画像形成装置 |
| US6047151A (en) * | 1998-05-06 | 2000-04-04 | Imation Corp. | Drying system and method for an electrophotographic imaging system |
| US6511149B1 (en) * | 1998-09-30 | 2003-01-28 | Xerox Corporation | Ballistic aerosol marking apparatus for marking a substrate |
| US6797108B2 (en) * | 2001-10-05 | 2004-09-28 | Applied Materials, Inc. | Apparatus and method for evenly flowing processing gas onto a semiconductor wafer |
| US6905807B2 (en) | 2002-01-08 | 2005-06-14 | Samsung Electronics Co., Ltd. | Liquid inks comprising stabilizing organosols |
| US20050160938A1 (en) * | 2002-01-08 | 2005-07-28 | Samsung Electronics Co., Ltd. | Liquid inks comprising stabilizing organosols |
| DE10216786C5 (de) * | 2002-04-15 | 2009-10-15 | Ers Electronic Gmbh | Verfahren und Vorrichtung zur Konditionierung von Halbleiterwafern und/oder Hybriden |
| DE10247367A1 (de) * | 2002-10-10 | 2004-04-22 | OCé PRINTING SYSTEMS GMBH | Einrichtung und Verfahren zum Umdrucken und Fixieren mit einem geführten und einem freien Transportabschnitt |
| DE10260149A1 (de) * | 2002-12-20 | 2004-07-01 | BSH Bosch und Siemens Hausgeräte GmbH | Vorrichtung zur Bestimmung des Leitwertes von Wäsche, Wäschetrockner und Verfahren zur Verhinderung von Schichtbildung auf Elektroden |
| DE60328830D1 (de) | 2003-05-15 | 2009-09-24 | Hewlett Packard Development Co | Vorrichtung zur fluidtrennung |
| ATE527907T1 (de) * | 2004-04-23 | 2011-10-15 | Panasonic Elec Works Co Ltd | Gebläseheizung mit elektrostatischem zerstäuber |
| KR100533836B1 (ko) * | 2004-04-28 | 2005-12-07 | 삼성전자주식회사 | 산화촉매유닛 및 이를 포함한 습식 전자사진방식화상형성장치 |
| KR100610332B1 (ko) * | 2004-05-11 | 2006-08-09 | 삼성전자주식회사 | 오존정화유닛 및 이를 구비한 습식 전자사진방식화상형성장치 |
| DE102005013051A1 (de) * | 2005-03-18 | 2006-09-21 | BSH Bosch und Siemens Hausgeräte GmbH | Kondensations-Wäschetrockner |
| US7520393B2 (en) * | 2005-11-14 | 2009-04-21 | Hewlett-Packard Development Company, L.P. | Fluid separation system |
| US7848668B2 (en) * | 2008-10-31 | 2010-12-07 | Xerox Corporation | Fusers, printing apparatuses and methods of fusing toner on media |
| DE102009009043B4 (de) | 2009-02-16 | 2011-01-27 | OCé PRINTING SYSTEMS GMBH | Anordnung zum Fixieren von Druckbildern auf einem Bedruckstoff |
| EP2494296B1 (en) * | 2009-10-28 | 2016-11-23 | Dow Technology Investments LLC | Device to dry catalyst roaster conveyor belt and method of using same |
| US11942903B1 (en) * | 2019-12-24 | 2024-03-26 | James A. Holmes | Monolithic differential pair thermocouple amplifier |
| KR102467981B1 (ko) * | 2022-09-05 | 2022-11-16 | 이윤숙 | 잔여토너 제거장치 |
Family Cites Families (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2226309C3 (de) * | 1971-06-03 | 1980-09-11 | Canon K.K., Tokio | Vorrichtung zur Rückgewinnung von Entwickler-Trägerflüssigkeit |
| US3854224A (en) * | 1972-06-16 | 1974-12-17 | Canon Kk | Device for heating and drying copy mediums |
| JPS5434541B2 (https=) * | 1972-12-22 | 1979-10-27 | ||
| US3890721A (en) * | 1972-12-26 | 1975-06-24 | Canon Kk | Developing liquid recovery device in a copying machine |
| CH561920A5 (https=) * | 1973-11-16 | 1975-05-15 | Wifo Forschungsinst Ag | |
| US3957369A (en) * | 1974-09-24 | 1976-05-18 | Pitney-Bowes, Inc. | Apparatus for drying a wet copy sheet in a copier |
| US4170629A (en) * | 1975-09-15 | 1979-10-09 | Betz Erwin C | Method of converting hydrocarbon waste gas streams using a non-uniform crimped metal ribbon packed catalyst bed |
| JPS578557A (en) * | 1980-06-19 | 1982-01-16 | Ricoh Co Ltd | Treatment of waste gas from electrophotographic copying machine |
| DE3045485A1 (de) * | 1980-12-03 | 1982-07-08 | Hoechst Ag, 6000 Frankfurt | Verfahren und vorrichtung zum thermischen fixieren von tonerbildern |
| JPS57104968A (en) * | 1980-12-22 | 1982-06-30 | Ricoh Co Ltd | Purifying device of solvent gas for wet type electrophotographic device |
| JPS57142655A (en) * | 1981-02-27 | 1982-09-03 | Ricoh Co Ltd | Exhaust gas decomposer of electrophotographic copying machine |
-
1983
- 1983-02-22 US US06/468,507 patent/US4538899A/en not_active Expired - Lifetime
-
1984
- 1984-01-25 GB GB08401955A patent/GB2135242B/en not_active Expired
- 1984-02-13 CA CA000447260A patent/CA1213138A/en not_active Expired
- 1984-02-21 IT IT19715/84A patent/IT1173319B/it active
- 1984-02-22 FR FR8402693A patent/FR2541472B1/fr not_active Expired
- 1984-02-22 DE DE19843406290 patent/DE3406290A1/de active Granted
- 1984-02-22 JP JP59030453A patent/JPS59159188A/ja active Granted
- 1984-02-22 CH CH864/84A patent/CH659717A5/fr not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| IT1173319B (it) | 1987-06-24 |
| FR2541472B1 (fr) | 1987-07-17 |
| GB2135242A (en) | 1984-08-30 |
| DE3406290C2 (https=) | 1993-09-02 |
| JPS59159188A (ja) | 1984-09-08 |
| GB8401955D0 (en) | 1984-02-29 |
| FR2541472A1 (fr) | 1984-08-24 |
| GB2135242B (en) | 1986-03-19 |
| IT8419715A0 (it) | 1984-02-21 |
| JPH0451022B2 (https=) | 1992-08-17 |
| DE3406290A1 (de) | 1984-08-23 |
| US4538899A (en) | 1985-09-03 |
| CA1213138A (en) | 1986-10-28 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PUE | Assignment |
Owner name: SPECTRUM SCIENCES B.V. |
|
| PFA | Name/firm changed |
Owner name: INDIGO N.V. |
|
| PL | Patent ceased |