JPS6132780B2 - - Google Patents
Info
- Publication number
- JPS6132780B2 JPS6132780B2 JP52065883A JP6588377A JPS6132780B2 JP S6132780 B2 JPS6132780 B2 JP S6132780B2 JP 52065883 A JP52065883 A JP 52065883A JP 6588377 A JP6588377 A JP 6588377A JP S6132780 B2 JPS6132780 B2 JP S6132780B2
- Authority
- JP
- Japan
- Prior art keywords
- phosphor
- color
- emission
- yellow
- blue
- 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
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 claims description 104
- 239000000203 mixture Substances 0.000 claims description 37
- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 claims description 32
- 229910052753 mercury Inorganic materials 0.000 claims description 22
- 238000000576 coating method Methods 0.000 claims description 19
- 239000011248 coating agent Substances 0.000 claims description 18
- 229910052693 Europium Inorganic materials 0.000 claims description 16
- OGPBJKLSAFTDLK-UHFFFAOYSA-N europium atom Chemical compound [Eu] OGPBJKLSAFTDLK-UHFFFAOYSA-N 0.000 claims description 14
- 230000005855 radiation Effects 0.000 claims description 9
- 229910052589 chlorapatite Inorganic materials 0.000 claims description 8
- 238000001429 visible spectrum Methods 0.000 claims description 6
- 238000000295 emission spectrum Methods 0.000 claims description 5
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 claims description 2
- 229910052749 magnesium Inorganic materials 0.000 claims description 2
- 239000011777 magnesium Substances 0.000 claims description 2
- 230000007246 mechanism Effects 0.000 claims description 2
- 150000004645 aluminates Chemical class 0.000 claims 1
- 229910052788 barium Inorganic materials 0.000 claims 1
- DSAJWYNOEDNPEQ-UHFFFAOYSA-N barium atom Chemical compound [Ba] DSAJWYNOEDNPEQ-UHFFFAOYSA-N 0.000 claims 1
- 239000011572 manganese Substances 0.000 description 29
- PWHULOQIROXLJO-UHFFFAOYSA-N Manganese Chemical compound [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 description 26
- 229910052748 manganese Inorganic materials 0.000 description 26
- 230000003595 spectral effect Effects 0.000 description 23
- 238000009472 formulation Methods 0.000 description 14
- 238000009826 distribution Methods 0.000 description 13
- 238000009877 rendering Methods 0.000 description 13
- 235000008733 Citrus aurantifolia Nutrition 0.000 description 12
- 101100399296 Mus musculus Lime1 gene Proteins 0.000 description 12
- 235000011941 Tilia x europaea Nutrition 0.000 description 12
- 239000004571 lime Substances 0.000 description 12
- 238000001228 spectrum Methods 0.000 description 12
- 238000010586 diagram Methods 0.000 description 7
- 150000002500 ions Chemical class 0.000 description 7
- 239000012190 activator Substances 0.000 description 5
- 239000013078 crystal Substances 0.000 description 5
- PROQIPRRNZUXQM-ZXXIGWHRSA-N estriol Chemical compound OC1=CC=C2[C@H]3CC[C@](C)([C@H]([C@H](O)C4)O)[C@@H]4[C@@H]3CCC2=C1 PROQIPRRNZUXQM-ZXXIGWHRSA-N 0.000 description 5
- 230000004907 flux Effects 0.000 description 5
- 239000000463 material Substances 0.000 description 5
- 239000007858 starting material Substances 0.000 description 5
- 239000000126 substance Substances 0.000 description 5
- ANPHGBOOSHEYIV-UHFFFAOYSA-N [Sr].[Eu] Chemical compound [Sr].[Eu] ANPHGBOOSHEYIV-UHFFFAOYSA-N 0.000 description 4
- 229910052787 antimony Inorganic materials 0.000 description 4
- WATWJIUSRGPENY-UHFFFAOYSA-N antimony atom Chemical compound [Sb] WATWJIUSRGPENY-UHFFFAOYSA-N 0.000 description 4
- 239000003086 colorant Substances 0.000 description 4
- -1 europium activated barium magnesium aluminate Chemical class 0.000 description 4
- 229910052587 fluorapatite Inorganic materials 0.000 description 4
- 238000002156 mixing Methods 0.000 description 4
- 229910052712 strontium Inorganic materials 0.000 description 4
- CIOAGBVUUVVLOB-UHFFFAOYSA-N strontium atom Chemical compound [Sr] CIOAGBVUUVVLOB-UHFFFAOYSA-N 0.000 description 4
- 230000005457 Black-body radiation Effects 0.000 description 3
- 229910052586 apatite Inorganic materials 0.000 description 3
- 239000000460 chlorine Substances 0.000 description 3
- 238000004737 colorimetric analysis Methods 0.000 description 3
- 239000002131 composite material Substances 0.000 description 3
- 150000001875 compounds Chemical class 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- WPBNNNQJVZRUHP-UHFFFAOYSA-L manganese(2+);methyl n-[[2-(methoxycarbonylcarbamothioylamino)phenyl]carbamothioyl]carbamate;n-[2-(sulfidocarbothioylamino)ethyl]carbamodithioate Chemical compound [Mn+2].[S-]C(=S)NCCNC([S-])=S.COC(=O)NC(=S)NC1=CC=CC=C1NC(=S)NC(=O)OC WPBNNNQJVZRUHP-UHFFFAOYSA-L 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- VSIIXMUUUJUKCM-UHFFFAOYSA-D pentacalcium;fluoride;triphosphate Chemical compound [F-].[Ca+2].[Ca+2].[Ca+2].[Ca+2].[Ca+2].[O-]P([O-])([O-])=O.[O-]P([O-])([O-])=O.[O-]P([O-])([O-])=O VSIIXMUUUJUKCM-UHFFFAOYSA-D 0.000 description 3
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 239000011737 fluorine Substances 0.000 description 2
- 229910052731 fluorine Inorganic materials 0.000 description 2
- 238000005286 illumination Methods 0.000 description 2
- 229910001437 manganese ion Inorganic materials 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- MCSXGCZMEPXKIW-UHFFFAOYSA-N 3-hydroxy-4-[(4-methyl-2-nitrophenyl)diazenyl]-N-(3-nitrophenyl)naphthalene-2-carboxamide Chemical compound Cc1ccc(N=Nc2c(O)c(cc3ccccc23)C(=O)Nc2cccc(c2)[N+]([O-])=O)c(c1)[N+]([O-])=O MCSXGCZMEPXKIW-UHFFFAOYSA-N 0.000 description 1
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000003213 activating effect Effects 0.000 description 1
- 230000004913 activation Effects 0.000 description 1
- OOBNORVQFIAGPT-UHFFFAOYSA-N antimony manganese Chemical compound [Mn].[Sb] OOBNORVQFIAGPT-UHFFFAOYSA-N 0.000 description 1
- FAWGZAFXDJGWBB-UHFFFAOYSA-N antimony(3+) Chemical compound [Sb+3] FAWGZAFXDJGWBB-UHFFFAOYSA-N 0.000 description 1
- WDIHJSXYQDMJHN-UHFFFAOYSA-L barium chloride Chemical compound [Cl-].[Cl-].[Ba+2] WDIHJSXYQDMJHN-UHFFFAOYSA-L 0.000 description 1
- 229910001626 barium chloride Inorganic materials 0.000 description 1
- QKYBEKAEVQPNIN-UHFFFAOYSA-N barium(2+);oxido(oxo)alumane Chemical compound [Ba+2].[O-][Al]=O.[O-][Al]=O QKYBEKAEVQPNIN-UHFFFAOYSA-N 0.000 description 1
- 229910052801 chlorine Inorganic materials 0.000 description 1
- 238000013329 compounding Methods 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 238000010891 electric arc Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000005284 excitation Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 229940077441 fluorapatite Drugs 0.000 description 1
- GNBHRKFJIUUOQI-UHFFFAOYSA-N fluorescein Chemical compound O1C(=O)C2=CC=CC=C2C21C1=CC=C(O)C=C1OC1=CC(O)=CC=C21 GNBHRKFJIUUOQI-UHFFFAOYSA-N 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 238000010791 quenching Methods 0.000 description 1
- 229910052761 rare earth metal Inorganic materials 0.000 description 1
- 150000002910 rare earth metals Chemical class 0.000 description 1
- 239000003381 stabilizer Substances 0.000 description 1
- 150000003437 strontium Chemical class 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
Classifications
-
- 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
- C09K11/00—Luminescent, e.g. electroluminescent, chemiluminescent materials
- C09K11/08—Luminescent, e.g. electroluminescent, chemiluminescent materials containing inorganic luminescent materials
- C09K11/0855—Phosphates
- C09K11/0861—Phosphates with alkaline earth metals
- C09K11/0866—Phosphates with alkaline earth metals with halogens
-
- 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
- C09K11/00—Luminescent, e.g. electroluminescent, chemiluminescent materials
- C09K11/08—Luminescent, e.g. electroluminescent, chemiluminescent materials containing inorganic luminescent materials
- C09K11/74—Luminescent, e.g. electroluminescent, chemiluminescent materials containing inorganic luminescent materials containing arsenic, antimony or bismuth
- C09K11/75—Luminescent, e.g. electroluminescent, chemiluminescent materials containing inorganic luminescent materials containing arsenic, antimony or bismuth containing antimony
- C09K11/76—Luminescent, e.g. electroluminescent, chemiluminescent materials containing inorganic luminescent materials containing arsenic, antimony or bismuth containing antimony also containing phosphorus and halogen, e.g. halophosphates
-
- 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
- C09K11/00—Luminescent, e.g. electroluminescent, chemiluminescent materials
- C09K11/08—Luminescent, e.g. electroluminescent, chemiluminescent materials containing inorganic luminescent materials
- C09K11/77—Luminescent, e.g. electroluminescent, chemiluminescent materials containing inorganic luminescent materials containing rare earth metals
- C09K11/7728—Luminescent, e.g. electroluminescent, chemiluminescent materials containing inorganic luminescent materials containing rare earth metals containing europium
- C09K11/7734—Aluminates
-
- 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
- C09K11/00—Luminescent, e.g. electroluminescent, chemiluminescent materials
- C09K11/08—Luminescent, e.g. electroluminescent, chemiluminescent materials containing inorganic luminescent materials
- C09K11/77—Luminescent, e.g. electroluminescent, chemiluminescent materials containing inorganic luminescent materials containing rare earth metals
- C09K11/7728—Luminescent, e.g. electroluminescent, chemiluminescent materials containing inorganic luminescent materials containing rare earth metals containing europium
- C09K11/7737—Phosphates
- C09K11/7738—Phosphates with alkaline earth metals
- C09K11/7739—Phosphates with alkaline earth metals with halogens
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J61/00—Gas-discharge or vapour-discharge lamps
- H01J61/02—Details
- H01J61/38—Devices for influencing the colour or wavelength of the light
- H01J61/42—Devices for influencing the colour or wavelength of the light by transforming the wavelength of the light by luminescence
- H01J61/44—Devices characterised by the luminescent material
Landscapes
- Chemical & Material Sciences (AREA)
- Inorganic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Vessels And Coating Films For Discharge Lamps (AREA)
- Luminescent Compositions (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US05/695,934 US4075532A (en) | 1976-06-14 | 1976-06-14 | Cool-white fluorescent lamp with phosphor having modified spectral energy distribution to improve luminosity thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS52154284A JPS52154284A (en) | 1977-12-21 |
| JPS6132780B2 true JPS6132780B2 (US07534539-20090519-C00280.png) | 1986-07-29 |
Family
ID=24795037
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6588377A Granted JPS52154284A (en) | 1976-06-14 | 1977-06-06 | High luminous cool white fluorescent lamp with improved phosphor film |
Country Status (6)
Families Citing this family (46)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4426600A (en) | 1977-09-06 | 1984-01-17 | Gte Products Corporation | Standard white fluorescent lamps employing blend |
| US4458176A (en) * | 1977-09-06 | 1984-07-03 | Gte Products Corporation | Daylight fluorescent lamps employing blend |
| US4266161A (en) * | 1979-06-22 | 1981-05-05 | Gte Products Corporation | Cool white lamp using a two-component phosphor |
| US4266160A (en) * | 1979-06-22 | 1981-05-05 | Gte Products Corporation | Strontium-calcium fluorapatite phosphors and fluorescent lamp containing the same |
| US4258285A (en) * | 1979-06-22 | 1981-03-24 | Gte Products Corporation | Two-component phosphor in a cool white lamp |
| US4263530A (en) * | 1979-07-17 | 1981-04-21 | Westinghouse Electric Corp. | Warm white fluorescent lamp having good efficacy and color rendering |
| GB2081497A (en) * | 1980-07-31 | 1982-02-17 | Gen Electric | Fluorescent lamp construction utilizing a mixture of two phosphor materials |
| EP0173994A3 (en) * | 1984-09-07 | 1987-07-01 | General Electric Company | Calcium halophosphate phosphor |
| US4623816A (en) | 1985-04-22 | 1986-11-18 | General Electric Company | Fluorescent lamp using multi-layer phosphor coating |
| US4698548A (en) * | 1985-10-15 | 1987-10-06 | Gte Products Corporation | Lamp incorporating phosphor blend of calcium fluorophosphate and strontium halophosphate |
| US4847533A (en) * | 1986-02-05 | 1989-07-11 | General Electric Company | Low pressure mercury discharge fluorescent lamp utilizing multilayer phosphor combination for white color illumination |
| EP0239923B1 (en) | 1986-04-04 | 1995-01-25 | General Electric Company | Fluorescent lamp using multi-layer phosphor coating |
| US4751426A (en) * | 1986-11-10 | 1988-06-14 | General Electric Company | Fluorescent lamp using multi-layer phosphor coating |
| US4717857A (en) * | 1986-12-22 | 1988-01-05 | General Electric Company | Fluorescent lamp producing white color illumination with multiple phosphor combination |
| US5734669A (en) * | 1995-02-06 | 1998-03-31 | University Of Central Florida | 1.3 μm lasers using Nd3+ doped apatite crystals |
| JP3508894B2 (ja) * | 1995-02-28 | 2004-03-22 | 東芝ライテック株式会社 | 蛍光ランプ、脱臭装置、照明装置、建築構造体および移動体 |
| US5592052A (en) * | 1995-06-13 | 1997-01-07 | Matsushita Electric Works R&D Laboratory | Variable color temperature fluorescent lamp |
| US6153971A (en) * | 1995-09-21 | 2000-11-28 | Matsushita Electric Industrial Co., Ltd. | Light source with only two major light emitting bands |
| US6224240B1 (en) * | 1996-09-13 | 2001-05-01 | Matsushita Electric Industrial Co., Ltd. | Light source |
| DE59711671D1 (de) * | 1996-06-26 | 2004-07-01 | Osram Opto Semiconductors Gmbh | Lichtabstrahlendes halbleiterbauelement mit lumineszenzkonversionselement |
| DE19638667C2 (de) * | 1996-09-20 | 2001-05-17 | Osram Opto Semiconductors Gmbh | Mischfarbiges Licht abstrahlendes Halbleiterbauelement mit Lumineszenzkonversionselement |
| WO1998008916A1 (en) * | 1996-08-30 | 1998-03-05 | Philips Electronics N.V. | Low-pressure mercury discharge lamp |
| US6414426B1 (en) | 1997-02-13 | 2002-07-02 | Matsushita Electric Industrial Co., Ltd. | High-efficiency light source |
| US20030002283A1 (en) * | 2001-07-02 | 2003-01-02 | Daniel Marian | Four tube compact fluorescent lamp |
| US6828859B2 (en) * | 2001-08-17 | 2004-12-07 | Silicon Laboratories, Inc. | Method and apparatus for protecting devices in an RF power amplifier |
| JP2003147351A (ja) * | 2001-11-09 | 2003-05-21 | Taiwan Lite On Electronics Inc | 白色光光源の製作方法 |
| DE60332676D1 (de) * | 2002-02-15 | 2010-07-01 | Mitsubishi Chem Corp | Lichtemittierendes Element und zughörige Beleuchtungsvorrichtung |
| US6781302B2 (en) * | 2002-09-27 | 2004-08-24 | Koninklijke Philips Electronics N.V. | Low pressure mercury vapor fluorescent lamps |
| US6867536B2 (en) * | 2002-12-12 | 2005-03-15 | General Electric Company | Blue-green phosphor for fluorescent lighting applications |
| US7088038B2 (en) * | 2003-07-02 | 2006-08-08 | Gelcore Llc | Green phosphor for general illumination applications |
| US7235792B2 (en) | 2004-05-19 | 2007-06-26 | Carl Scott Elofson | Color-tuned volumetric light using high quantum yield nanocrystals |
| US20070114562A1 (en) * | 2005-11-22 | 2007-05-24 | Gelcore, Llc | Red and yellow phosphor-converted LEDs for signal applications |
| US7497973B2 (en) * | 2005-02-02 | 2009-03-03 | Lumination Llc | Red line emitting phosphor materials for use in LED applications |
| US7358542B2 (en) * | 2005-02-02 | 2008-04-15 | Lumination Llc | Red emitting phosphor materials for use in LED and LCD applications |
| US7648649B2 (en) * | 2005-02-02 | 2010-01-19 | Lumination Llc | Red line emitting phosphors for use in led applications |
| US7274045B2 (en) * | 2005-03-17 | 2007-09-25 | Lumination Llc | Borate phosphor materials for use in lighting applications |
| WO2006129228A2 (en) * | 2005-06-02 | 2006-12-07 | Philips Intellectual Property & Standards Gmbh | Illumination system comprising color deficiency compensating luminescent material |
| US20070170834A1 (en) * | 2006-01-25 | 2007-07-26 | General Electric Company | High output fluorescent lamp with improved phosphor layer |
| TWI429731B (zh) * | 2007-07-16 | 2014-03-11 | Lumination Llc | 由４價錳離子活化之發紅光錯合氟化磷光體 |
| CN101470778B (zh) * | 2007-12-28 | 2016-08-17 | Ge医疗系统环球技术有限公司 | 保护病人资料的方法和系统 |
| US7834533B2 (en) * | 2008-02-27 | 2010-11-16 | General Electric Company | T8 fluorescent lamp |
| US8779685B2 (en) * | 2009-11-19 | 2014-07-15 | Intematix Corporation | High CRI white light emitting devices and drive circuitry |
| US20120155076A1 (en) * | 2010-06-24 | 2012-06-21 | Intematix Corporation | Led-based light emitting systems and devices |
| US8946998B2 (en) | 2010-08-09 | 2015-02-03 | Intematix Corporation | LED-based light emitting systems and devices with color compensation |
| CN102517010B (zh) * | 2011-11-30 | 2014-07-02 | 昆明理工大学 | 一种铋离子掺杂的卤磷酸盐荧光材料及其制备方法 |
| DE102014216939A1 (de) * | 2014-08-26 | 2016-03-03 | Osram Gmbh | Entladungslampe mit Entladungsgefäß und Leuchtstoff |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4945512A (US07534539-20090519-C00280.png) * | 1972-09-08 | 1974-05-01 |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2030402A (en) * | 1934-08-20 | 1936-02-11 | Gen Electric | Gaseous electric discharge lamp |
| US3630947A (en) * | 1969-10-17 | 1971-12-28 | Du Pont | Europium strontium chloride phosphate fluorescent composition |
| US3764555A (en) * | 1970-10-15 | 1973-10-09 | Gen Electric | Process of preparing porosity-free calcium halophosphate phosphors |
| US3670194A (en) * | 1971-01-26 | 1972-06-13 | Westinghouse Electric Corp | Color-corrected high-pressure mercury-vapor lamp |
| BE788540R (fr) * | 1971-09-10 | 1973-03-08 | Westinghouse Electric Corp | Lampes |
-
1976
- 1976-06-14 US US05/695,934 patent/US4075532A/en not_active Expired - Lifetime
-
1977
- 1977-05-02 GB GB18324/77A patent/GB1572214A/en not_active Expired
- 1977-06-06 JP JP6588377A patent/JPS52154284A/ja active Granted
- 1977-06-10 FR FR7717841A patent/FR2355376A1/fr active Granted
- 1977-06-10 NL NLAANVRAGE7706390,A patent/NL173109C/xx not_active IP Right Cessation
- 1977-06-11 DE DE2726523A patent/DE2726523C2/de not_active Expired
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4945512A (US07534539-20090519-C00280.png) * | 1972-09-08 | 1974-05-01 |
Also Published As
| Publication number | Publication date |
|---|---|
| NL7706390A (nl) | 1977-12-16 |
| NL173109C (nl) | 1983-12-01 |
| DE2726523A1 (de) | 1977-12-15 |
| US4075532A (en) | 1978-02-21 |
| FR2355376A1 (fr) | 1978-01-13 |
| FR2355376B1 (US07534539-20090519-C00280.png) | 1980-05-09 |
| GB1572214A (en) | 1980-07-30 |
| DE2726523C2 (de) | 1983-07-28 |
| JPS52154284A (en) | 1977-12-21 |
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