SE446039B - Magnetisk presentationspanel av reversibel typ - Google Patents

Magnetisk presentationspanel av reversibel typ

Info

Publication number: SE446039B
Authority: SE; Sweden
Prior art keywords: magnetic; display panel; liquid dispersion; parts; grains
Prior art date: 1979-12-11

Application number

SE8008645A

Other languages

English (en)

Swedish (sv)

Other versions

SE8008645L (sv

Inventor

Y Murata

H Sato

Original Assignee

Pilot Pen Co Ltd

Priority date (The priority date 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 date listed.)

1979-12-11

Filing date

1980-12-09

Publication date

1986-08-04

1980-12-09 Application filed by Pilot Pen Co Ltd filed Critical Pilot Pen Co Ltd

1981-06-12 Publication of SE8008645L publication Critical patent/SE8008645L/

1986-08-04 Publication of SE446039B publication Critical patent/SE446039B/sv

Links

230000002441 reversible effect Effects 0.000 title claims description 29
239000007788 liquid Substances 0.000 claims description 162
239000006185 dispersion Substances 0.000 claims description 156
-1 fatty acid esters Chemical class 0.000 claims description 28
239000002562 thickening agent Substances 0.000 claims description 18
239000003086 colorant Substances 0.000 claims description 17
239000002612 dispersion medium Substances 0.000 claims description 16
239000010941 cobalt Substances 0.000 claims description 11
229910017052 cobalt Inorganic materials 0.000 claims description 11
GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 claims description 11
239000000203 mixture Substances 0.000 claims description 11
235000014113 dietary fatty acids Nutrition 0.000 claims description 9
239000000194 fatty acid Substances 0.000 claims description 9
229930195729 fatty acid Natural products 0.000 claims description 9
229910052751 metal Inorganic materials 0.000 claims description 7
239000002184 metal Substances 0.000 claims description 7
229920000098 polyolefin Polymers 0.000 claims description 7
RMAQACBXLXPBSY-UHFFFAOYSA-N silicic acid Chemical compound O[Si](O)(O)O RMAQACBXLXPBSY-UHFFFAOYSA-N 0.000 claims description 7
239000001993 wax Substances 0.000 claims description 7
238000010586 diagram Methods 0.000 claims description 6
239000002245 particle Substances 0.000 claims description 6
235000012239 silicon dioxide Nutrition 0.000 claims description 6
239000000344 soap Substances 0.000 claims description 6
229910000859 α-Fe Inorganic materials 0.000 claims description 6
229920001353 Dextrin Polymers 0.000 claims description 5
239000004375 Dextrin Substances 0.000 claims description 5
235000019425 dextrin Nutrition 0.000 claims description 5
150000002148 esters Chemical class 0.000 claims description 4
229910052761 rare earth metal Inorganic materials 0.000 claims description 4
150000002910 rare earth metals Chemical class 0.000 claims description 4
229920000089 Cyclic olefin copolymer Polymers 0.000 claims description 3
150000001336 alkenes Chemical class 0.000 claims description 3
229920001577 copolymer Polymers 0.000 claims description 3
UQSXHKLRYXJYBZ-UHFFFAOYSA-N iron oxide Inorganic materials [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 claims description 3
239000002904 solvent Substances 0.000 claims description 3
239000000758 substrate Substances 0.000 claims description 3
150000001338 aliphatic hydrocarbons Chemical class 0.000 claims description 2
239000000178 monomer Substances 0.000 claims description 2
JRZJOMJEPLMPRA-UHFFFAOYSA-N olefin Natural products CCCCCCCC=C JRZJOMJEPLMPRA-UHFFFAOYSA-N 0.000 claims 2
125000004442 acylamino group Chemical group 0.000 claims 1
ZWEHNKRNPOVVGH-UHFFFAOYSA-N 2-Butanone Chemical compound CCC(C)=O ZWEHNKRNPOVVGH-UHFFFAOYSA-N 0.000 description 65
238000000034 method Methods 0.000 description 39
239000003973 paint Substances 0.000 description 32
210000004027 cell Anatomy 0.000 description 30
239000000853 adhesive Substances 0.000 description 22
230000001070 adhesive effect Effects 0.000 description 22
239000000975 dye Substances 0.000 description 19
238000002156 mixing Methods 0.000 description 13
VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 11
239000000126 substance Substances 0.000 description 11
238000000576 coating method Methods 0.000 description 9
239000002131 composite material Substances 0.000 description 9
238000010276 construction Methods 0.000 description 9
229910002016 Aerosil® 200 Inorganic materials 0.000 description 8
239000004698 Polyethylene Substances 0.000 description 8
239000004743 Polypropylene Substances 0.000 description 8
229920000573 polyethylene Polymers 0.000 description 8
229920001155 polypropylene Polymers 0.000 description 8
239000011248 coating agent Substances 0.000 description 7
239000011521 glass Substances 0.000 description 7
239000004033 plastic Substances 0.000 description 7
229920003023 plastic Polymers 0.000 description 7
VTYYLEPIZMXCLO-UHFFFAOYSA-L calcium carbonate Substances [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 description 6
GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 5
239000002609 medium Substances 0.000 description 5
239000002985 plastic film Substances 0.000 description 5
229920006255 plastic film Polymers 0.000 description 5
239000004094 surface-active agent Substances 0.000 description 5
XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 5
TZCXTZWJZNENPQ-UHFFFAOYSA-L barium sulfate Chemical compound [Ba+2].[O-]S([O-])(=O)=O TZCXTZWJZNENPQ-UHFFFAOYSA-L 0.000 description 4
230000015271 coagulation Effects 0.000 description 4
238000005345 coagulation Methods 0.000 description 4
238000001816 cooling Methods 0.000 description 4
230000000694 effects Effects 0.000 description 4
238000010438 heat treatment Methods 0.000 description 4
239000000463 material Substances 0.000 description 4
125000006850 spacer group Chemical group 0.000 description 4
230000009974 thixotropic effect Effects 0.000 description 4
CEGOLXSVJUTHNZ-UHFFFAOYSA-K aluminium tristearate Chemical compound [Al+3].CCCCCCCCCCCCCCCCCC([O-])=O.CCCCCCCCCCCCCCCCCC([O-])=O.CCCCCCCCCCCCCCCCCC([O-])=O CEGOLXSVJUTHNZ-UHFFFAOYSA-K 0.000 description 3
230000008901 benefit Effects 0.000 description 3
235000010216 calcium carbonate Nutrition 0.000 description 3
238000010298 pulverizing process Methods 0.000 description 3
OSNILPMOSNGHLC-UHFFFAOYSA-N 1-[4-methoxy-3-(piperidin-1-ylmethyl)phenyl]ethanone Chemical compound COC1=CC=C(C(C)=O)C=C1CN1CCCCC1 OSNILPMOSNGHLC-UHFFFAOYSA-N 0.000 description 2
239000004925 Acrylic resin Substances 0.000 description 2
229920000178 Acrylic resin Polymers 0.000 description 2
229910002012 Aerosil® Inorganic materials 0.000 description 2
229920003171 Poly (ethylene oxide) Polymers 0.000 description 2
239000002253 acid Chemical class 0.000 description 2
239000000440 bentonite Substances 0.000 description 2
229910000278 bentonite Inorganic materials 0.000 description 2
SVPXDRXYRYOSEX-UHFFFAOYSA-N bentoquatam Chemical compound O.O=[Si]=O.O=[Al]O[Al]=O SVPXDRXYRYOSEX-UHFFFAOYSA-N 0.000 description 2
230000000903 blocking effect Effects 0.000 description 2
229910000019 calcium carbonate Inorganic materials 0.000 description 2
239000003795 chemical substances by application Substances 0.000 description 2
239000004927 clay Substances 0.000 description 2
230000001112 coagulating effect Effects 0.000 description 2
238000001514 detection method Methods 0.000 description 2
239000003822 epoxy resin Substances 0.000 description 2
150000004665 fatty acids Chemical class 0.000 description 2
238000005304 joining Methods 0.000 description 2
AJCDFVKYMIUXCR-UHFFFAOYSA-N oxobarium;oxo(oxoferriooxy)iron Chemical compound [Ba]=O.O=[Fe]O[Fe]=O.O=[Fe]O[Fe]=O.O=[Fe]O[Fe]=O.O=[Fe]O[Fe]=O.O=[Fe]O[Fe]=O.O=[Fe]O[Fe]=O AJCDFVKYMIUXCR-UHFFFAOYSA-N 0.000 description 2
238000005192 partition Methods 0.000 description 2
229920000647 polyepoxide Polymers 0.000 description 2
238000004062 sedimentation Methods 0.000 description 2
230000007704 transition Effects 0.000 description 2
YMRMDGSNYHCUCL-UHFFFAOYSA-N 1,2-dichloro-1,1,2-trifluoroethane Chemical compound FC(Cl)C(F)(F)Cl YMRMDGSNYHCUCL-UHFFFAOYSA-N 0.000 description 1
VILCJCGEZXAXTO-UHFFFAOYSA-N 2,2,2-tetramine Chemical compound NCCNCCNCCN VILCJCGEZXAXTO-UHFFFAOYSA-N 0.000 description 1
239000005995 Aluminium silicate Substances 0.000 description 1
229920002153 Hydroxypropyl cellulose Polymers 0.000 description 1
229920002472 Starch Polymers 0.000 description 1
229930006000 Sucrose Natural products 0.000 description 1
230000002378 acidificating effect Effects 0.000 description 1
230000003213 activating effect Effects 0.000 description 1
150000005215 alkyl ethers Chemical class 0.000 description 1
229910052782 aluminium Inorganic materials 0.000 description 1
XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
235000012211 aluminium silicate Nutrition 0.000 description 1
239000011324 bead Substances 0.000 description 1
150000001669 calcium Chemical class 0.000 description 1
OYACROKNLOSFPA-UHFFFAOYSA-N calcium;dioxido(oxo)silane Chemical class [Ca+2].[O-][Si]([O-])=O OYACROKNLOSFPA-UHFFFAOYSA-N 0.000 description 1
239000006229 carbon black Substances 0.000 description 1
210000002421 cell wall Anatomy 0.000 description 1
KFVLFWWLSIOANK-UHFFFAOYSA-N cerium cobalt Chemical compound [Co].[Co].[Co].[Co].[Co].[Ce] KFVLFWWLSIOANK-UHFFFAOYSA-N 0.000 description 1
230000008859 change Effects 0.000 description 1
238000006243 chemical reaction Methods 0.000 description 1
KPLQYGBQNPPQGA-UHFFFAOYSA-N cobalt samarium Chemical compound [Co].[Sm] KPLQYGBQNPPQGA-UHFFFAOYSA-N 0.000 description 1
VQVNCTNULYBZGL-UHFFFAOYSA-N cobalt yttrium Chemical compound [Co].[Y] VQVNCTNULYBZGL-UHFFFAOYSA-N 0.000 description 1
238000009500 colour coating Methods 0.000 description 1
238000012217 deletion Methods 0.000 description 1
230000037430 deletion Effects 0.000 description 1
HNPSIPDUKPIQMN-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical class O=[Si]=O.O=[Al]O[Al]=O HNPSIPDUKPIQMN-UHFFFAOYSA-N 0.000 description 1
150000002170 ethers Chemical class 0.000 description 1
229920006244 ethylene-ethyl acrylate Polymers 0.000 description 1
238000001595 flow curve Methods 0.000 description 1
239000007850 fluorescent dye Substances 0.000 description 1
230000004907 flux Effects 0.000 description 1
235000013305 food Nutrition 0.000 description 1
150000002334 glycols Chemical class 0.000 description 1
230000005484 gravity Effects 0.000 description 1
235000003642 hunger Nutrition 0.000 description 1
229930195733 hydrocarbon Natural products 0.000 description 1
150000002430 hydrocarbons Chemical class 0.000 description 1
239000001863 hydroxypropyl cellulose Substances 0.000 description 1
235000010977 hydroxypropyl cellulose Nutrition 0.000 description 1
XMNVMZIXNKZAJB-UHFFFAOYSA-N iron(3+);lead(2+);oxygen(2-) Chemical compound [O-2].[O-2].[O-2].[O-2].[O-2].[Fe+3].[Fe+3].[Pb+2].[Pb+2] XMNVMZIXNKZAJB-UHFFFAOYSA-N 0.000 description 1
SZVJSHCCFOBDDC-UHFFFAOYSA-N iron(II,III) oxide Inorganic materials O=[Fe]O[Fe]O[Fe]=O SZVJSHCCFOBDDC-UHFFFAOYSA-N 0.000 description 1
230000001788 irregular Effects 0.000 description 1
125000001449 isopropyl group Chemical group [H]C([H])([H])C([H])(*)C([H])([H])[H] 0.000 description 1
NLYAJNPCOHFWQQ-UHFFFAOYSA-N kaolin Chemical compound O.O.O=[Al]O[Si](=O)O[Si](=O)O[Al]=O NLYAJNPCOHFWQQ-UHFFFAOYSA-N 0.000 description 1
ZLNQQNXFFQJAID-UHFFFAOYSA-L magnesium carbonate Chemical compound [Mg+2].[O-]C([O-])=O ZLNQQNXFFQJAID-UHFFFAOYSA-L 0.000 description 1
239000001095 magnesium carbonate Substances 0.000 description 1
229910000021 magnesium carbonate Inorganic materials 0.000 description 1
230000005389 magnetism Effects 0.000 description 1
238000004519 manufacturing process Methods 0.000 description 1
239000002736 nonionic surfactant Substances 0.000 description 1
239000003921 oil Substances 0.000 description 1
210000000056 organ Anatomy 0.000 description 1
239000003960 organic solvent Substances 0.000 description 1
230000002093 peripheral effect Effects 0.000 description 1
239000000049 pigment Substances 0.000 description 1
229920000642 polymer Polymers 0.000 description 1
239000000843 powder Substances 0.000 description 1
230000008569 process Effects 0.000 description 1
239000011347 resin Substances 0.000 description 1
229920005989 resin Polymers 0.000 description 1
229910000938 samarium–cobalt magnet Inorganic materials 0.000 description 1
150000004760 silicates Chemical class 0.000 description 1
229910052710 silicon Inorganic materials 0.000 description 1
239000010703 silicon Substances 0.000 description 1
239000000377 silicon dioxide Substances 0.000 description 1
239000002689 soil Substances 0.000 description 1
239000007787 solid Substances 0.000 description 1
239000008107 starch Substances 0.000 description 1
235000019698 starch Nutrition 0.000 description 1
229910052712 strontium Inorganic materials 0.000 description 1
CIOAGBVUUVVLOB-UHFFFAOYSA-N strontium atom Chemical compound [Sr] CIOAGBVUUVVLOB-UHFFFAOYSA-N 0.000 description 1
239000005720 sucrose Substances 0.000 description 1
230000009182 swimming Effects 0.000 description 1
230000008719 thickening Effects 0.000 description 1
239000004408 titanium dioxide Substances 0.000 description 1
238000003466 welding Methods 0.000 description 1
230000002087 whitening effect Effects 0.000 description 1

Classifications

- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/09—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on magneto-optical elements, e.g. exhibiting Faraday effect
- G02F1/091—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on magneto-optical elements, e.g. exhibiting Faraday effect based on magneto-absorption or magneto-reflection
- B—PERFORMING OPERATIONS; TRANSPORTING
- B43—WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
- B43L—ARTICLES FOR WRITING OR DRAWING UPON; WRITING OR DRAWING AIDS; ACCESSORIES FOR WRITING OR DRAWING
- B43L1/00—Repeatedly-usable boards or tablets for writing or drawing
- B43L1/008—Repeatedly-usable boards or tablets for writing or drawing with magnetic action
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/17—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on variable-absorption elements not provided for in groups G02F1/015 - G02F1/169
- G02F1/172—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on variable-absorption elements not provided for in groups G02F1/015 - G02F1/169 based on a suspension of orientable dipolar particles, e.g. suspended particles displays
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F9/00—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
- G09F9/30—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements
- G09F9/37—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements being movable elements
- G09F9/375—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements being movable elements the position of the elements being controlled by the application of a magnetic field

Landscapes

Physics & Mathematics (AREA)
Nonlinear Science (AREA)
General Physics & Mathematics (AREA)
Optics & Photonics (AREA)
Engineering & Computer Science (AREA)
Power Engineering (AREA)
Theoretical Computer Science (AREA)
Electrochromic Elements, Electrophoresis, Or Variable Reflection Or Absorption Elements (AREA)
Devices For Indicating Variable Information By Combining Individual Elements (AREA)
Hard Magnetic Materials (AREA)

SE8008645A 1979-12-11 1980-12-09 Magnetisk presentationspanel av reversibel typ SE446039B (sv)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
JP54159809A JPS5932796B2 (ja)	1979-12-11	1979-12-11	磁石反転表示磁気パネル

Publications (2)

Publication Number	Publication Date
SE8008645L SE8008645L (sv)	1981-06-12
SE446039B true SE446039B (sv)	1986-08-04

Family

ID=15701722

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
SE8008645A SE446039B (sv)	1979-12-11	1980-12-09	Magnetisk presentationspanel av reversibel typ

Country Status (11)

Country	Link
US (1)	US4368952A (da)
JP (1)	JPS5932796B2 (da)
AU (1)	AU526560B2 (da)
CA (1)	CA1165911A (da)
DE (1)	DE3046737A1 (da)
DK (1)	DK159029C (da)
ES (1)	ES8106974A1 (da)
FR (1)	FR2472238A1 (da)
GB (1)	GB2065908B (da)
IT (1)	IT1147071B (da)
SE (1)	SE446039B (da)

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US7956841B2 (en)	1995-07-20	2011-06-07	E Ink Corporation	Stylus-based addressing structures for displays
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US5961804A (en) *	1997-03-18	1999-10-05	Massachusetts Institute Of Technology	Microencapsulated electrophoretic display
US6980196B1 (en)	1997-03-18	2005-12-27	Massachusetts Institute Of Technology	Printable electronic display
US6067185A (en)	1997-08-28	2000-05-23	E Ink Corporation	Process for creating an encapsulated electrophoretic display
US8040594B2 (en)	1997-08-28	2011-10-18	E Ink Corporation	Multi-color electrophoretic displays
US7242513B2 (en) *	1997-08-28	2007-07-10	E Ink Corporation	Encapsulated electrophoretic displays having a monolayer of capsules and materials and methods for making the same
US7002728B2 (en) *	1997-08-28	2006-02-21	E Ink Corporation	Electrophoretic particles, and processes for the production thereof
US7247379B2 (en) *	1997-08-28	2007-07-24	E Ink Corporation	Electrophoretic particles, and processes for the production thereof
US6839158B2 (en)	1997-08-28	2005-01-04	E Ink Corporation	Encapsulated electrophoretic displays having a monolayer of capsules and materials and methods for making the same
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CA2305953A1 (en) *	1997-09-12	1999-03-25	Takara Co., Ltd.	Infant toy for drawing colored picture
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US6704133B2 (en)	1998-03-18	2004-03-09	E-Ink Corporation	Electro-optic display overlays and systems for addressing such displays
US6753999B2 (en) *	1998-03-18	2004-06-22	E Ink Corporation	Electrophoretic displays in portable devices and systems for addressing such displays
US7075502B1 (en) *	1998-04-10	2006-07-11	E Ink Corporation	Full color reflective display with multichromatic sub-pixels
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JP4651193B2 (ja)	1998-05-12	2011-03-16	イーインクコーポレイション	ドローイングデバイス用途のためのマイクロカプセル化した電気泳動性の静電的にアドレスした媒体
USD485294S1 (en)	1998-07-22	2004-01-13	E Ink Corporation	Electrode structure for an electronic display
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1979
- 1979-12-11 JP JP54159809A patent/JPS5932796B2/ja not_active Expired
1980
- 1980-12-05 CA CA000366265A patent/CA1165911A/en not_active Expired
- 1980-12-09 SE SE8008645A patent/SE446039B/sv not_active IP Right Cessation
- 1980-12-10 DK DK526980A patent/DK159029C/da not_active IP Right Cessation
- 1980-12-10 ES ES497598A patent/ES8106974A1/es not_active Expired
- 1980-12-10 GB GB8039505A patent/GB2065908B/en not_active Expired
- 1980-12-10 US US06/214,905 patent/US4368952A/en not_active Expired - Lifetime
- 1980-12-11 FR FR8026334A patent/FR2472238A1/fr active Granted
- 1980-12-11 IT IT50343/80A patent/IT1147071B/it active
- 1980-12-11 DE DE19803046737 patent/DE3046737A1/de not_active Ceased
- 1980-12-11 AU AU65281/80A patent/AU526560B2/en not_active Ceased

Also Published As

Publication number	Publication date
ES497598A0 (es)	1981-09-16
GB2065908B (en)	1983-10-19
AU6528180A (en)	1981-06-25
DE3046737A1 (de)	1981-09-17
GB2065908A (en)	1981-07-01
SE8008645L (sv)	1981-06-12
IT8050343A0 (it)	1980-12-11
FR2472238A1 (fr)	1981-06-26
US4368952A (en)	1983-01-18
IT1147071B (it)	1986-11-19
DK159029C (da)	1991-01-28
JPS5683784A (en)	1981-07-08
AU526560B2 (en)	1983-01-20
ES8106974A1 (es)	1981-09-16
CA1165911A (en)	1984-04-17
DK159029B (da)	1990-08-20
FR2472238B1 (da)	1985-01-11
DK526980A (da)	1981-06-12
JPS5932796B2 (ja)	1984-08-10

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