DE2526804B2 - Verfahren zur Veränderung der - Google Patents
Verfahren zur Veränderung derInfo
- Publication number
- DE2526804B2 DE2526804B2 DE2526804A DE2526804A DE2526804B2 DE 2526804 B2 DE2526804 B2 DE 2526804B2 DE 2526804 A DE2526804 A DE 2526804A DE 2526804 A DE2526804 A DE 2526804A DE 2526804 B2 DE2526804 B2 DE 2526804B2
- Authority
- DE
- Germany
- Prior art keywords
- glass
- weight
- metal
- vacuum
- metals
- 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.)
- Ceased
Links
- 238000000034 method Methods 0.000 title claims description 22
- 239000011521 glass Substances 0.000 claims description 84
- 229910052751 metal Inorganic materials 0.000 claims description 56
- 239000002184 metal Substances 0.000 claims description 56
- 239000000203 mixture Substances 0.000 claims description 14
- 150000002739 metals Chemical class 0.000 claims description 12
- 229910052700 potassium Inorganic materials 0.000 claims description 10
- 230000008569 process Effects 0.000 claims description 9
- 238000005342 ion exchange Methods 0.000 claims description 8
- 238000011282 treatment Methods 0.000 claims description 6
- 229910052725 zinc Inorganic materials 0.000 claims description 6
- 229910004298 SiO 2 Inorganic materials 0.000 claims description 5
- 239000007788 liquid Substances 0.000 claims description 5
- 239000001301 oxygen Substances 0.000 claims description 5
- 229910052760 oxygen Inorganic materials 0.000 claims description 5
- 229910010413 TiO 2 Inorganic materials 0.000 claims description 4
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 4
- 239000002253 acid Substances 0.000 claims description 3
- 230000003287 optical effect Effects 0.000 claims description 3
- 229910018072 Al 2 O 3 Inorganic materials 0.000 claims description 2
- 229910021193 La 2 O 3 Inorganic materials 0.000 claims description 2
- 229910018068 Li 2 O Inorganic materials 0.000 claims description 2
- 230000009471 action Effects 0.000 claims description 2
- 229910052788 barium Inorganic materials 0.000 claims description 2
- 229910052793 cadmium Inorganic materials 0.000 claims description 2
- 229910052792 caesium Inorganic materials 0.000 claims description 2
- 229910052744 lithium Inorganic materials 0.000 claims description 2
- 229910052749 magnesium Inorganic materials 0.000 claims description 2
- 229910052701 rubidium Inorganic materials 0.000 claims description 2
- 229910052708 sodium Inorganic materials 0.000 claims description 2
- 229910052712 strontium Inorganic materials 0.000 claims description 2
- 239000002344 surface layer Substances 0.000 claims 2
- 238000005530 etching Methods 0.000 claims 1
- 239000010410 layer Substances 0.000 claims 1
- 229910052745 lead Inorganic materials 0.000 claims 1
- 238000002604 ultrasonography Methods 0.000 claims 1
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 24
- 229910052757 nitrogen Inorganic materials 0.000 description 13
- 239000000758 substrate Substances 0.000 description 13
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 10
- 238000005496 tempering Methods 0.000 description 9
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 description 8
- 230000008859 change Effects 0.000 description 8
- 238000001704 evaporation Methods 0.000 description 8
- 230000008020 evaporation Effects 0.000 description 8
- 239000007789 gas Substances 0.000 description 8
- 239000011591 potassium Substances 0.000 description 8
- 238000007740 vapor deposition Methods 0.000 description 8
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 description 7
- 238000009792 diffusion process Methods 0.000 description 7
- 230000001681 protective effect Effects 0.000 description 6
- 239000011701 zinc Substances 0.000 description 6
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 5
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 5
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 5
- 229910052786 argon Inorganic materials 0.000 description 5
- 150000001768 cations Chemical class 0.000 description 5
- 238000006243 chemical reaction Methods 0.000 description 5
- 238000004821 distillation Methods 0.000 description 5
- 238000009434 installation Methods 0.000 description 5
- 239000000126 substance Substances 0.000 description 5
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 description 4
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 4
- 238000010438 heat treatment Methods 0.000 description 4
- 238000002844 melting Methods 0.000 description 4
- 230000008018 melting Effects 0.000 description 4
- 229910052750 molybdenum Inorganic materials 0.000 description 4
- 239000011733 molybdenum Substances 0.000 description 4
- 239000011734 sodium Substances 0.000 description 4
- 239000007787 solid Substances 0.000 description 4
- 239000011787 zinc oxide Substances 0.000 description 4
- 239000003599 detergent Substances 0.000 description 3
- 239000000835 fiber Substances 0.000 description 3
- 150000002500 ions Chemical class 0.000 description 3
- 229910052759 nickel Inorganic materials 0.000 description 3
- 230000035515 penetration Effects 0.000 description 3
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 3
- 150000003839 salts Chemical class 0.000 description 3
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 description 3
- 229910052721 tungsten Inorganic materials 0.000 description 3
- 239000010937 tungsten Substances 0.000 description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 2
- KRHYYFGTRYWZRS-UHFFFAOYSA-N Fluorane Chemical compound F KRHYYFGTRYWZRS-UHFFFAOYSA-N 0.000 description 2
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 2
- 150000001450 anions Chemical class 0.000 description 2
- 239000005388 borosilicate glass Substances 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- 238000002425 crystallisation Methods 0.000 description 2
- 230000008025 crystallization Effects 0.000 description 2
- 229910052739 hydrogen Inorganic materials 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 238000010348 incorporation Methods 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000000725 suspension Substances 0.000 description 2
- 229910052720 vanadium Inorganic materials 0.000 description 2
- LEONUFNNVUYDNQ-UHFFFAOYSA-N vanadium atom Chemical compound [V] LEONUFNNVUYDNQ-UHFFFAOYSA-N 0.000 description 2
- 238000005019 vapor deposition process Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 1
- 229910000684 Cobalt-chrome Inorganic materials 0.000 description 1
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 1
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- 229910019017 PtRh Inorganic materials 0.000 description 1
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 1
- WAIPAZQMEIHHTJ-UHFFFAOYSA-N [Cr].[Co] Chemical compound [Cr].[Co] WAIPAZQMEIHHTJ-UHFFFAOYSA-N 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 150000007513 acids Chemical class 0.000 description 1
- 239000003708 ampul Substances 0.000 description 1
- 238000000137 annealing Methods 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 238000009529 body temperature measurement Methods 0.000 description 1
- 229910052791 calcium Inorganic materials 0.000 description 1
- 229910052804 chromium Inorganic materials 0.000 description 1
- 239000011651 chromium Substances 0.000 description 1
- GRWVQDDAKZFPFI-UHFFFAOYSA-H chromium(III) sulfate Chemical compound [Cr+3].[Cr+3].[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O GRWVQDDAKZFPFI-UHFFFAOYSA-H 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000003749 cleanliness Effects 0.000 description 1
- 229910017052 cobalt Inorganic materials 0.000 description 1
- 239000010941 cobalt Substances 0.000 description 1
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 description 1
- 239000010952 cobalt-chrome Substances 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000006735 deficit Effects 0.000 description 1
- 238000007598 dipping method Methods 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 239000012153 distilled water Substances 0.000 description 1
- 238000011143 downstream manufacturing Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007717 exclusion Effects 0.000 description 1
- 238000000227 grinding Methods 0.000 description 1
- 229910001385 heavy metal Inorganic materials 0.000 description 1
- 229910052734 helium Inorganic materials 0.000 description 1
- 239000001307 helium Substances 0.000 description 1
- SWQJXJOGLNCZEY-UHFFFAOYSA-N helium atom Chemical compound [He] SWQJXJOGLNCZEY-UHFFFAOYSA-N 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 238000007654 immersion Methods 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 description 1
- 229910052753 mercury Inorganic materials 0.000 description 1
- 229910021645 metal ion Inorganic materials 0.000 description 1
- -1 molybdenum ion Chemical class 0.000 description 1
- 239000013307 optical fiber Substances 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 229910052697 platinum Inorganic materials 0.000 description 1
- 229910001414 potassium ion Inorganic materials 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000037452 priming Effects 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 239000010453 quartz Substances 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 229910001415 sodium ion Inorganic materials 0.000 description 1
- 239000008247 solid mixture Substances 0.000 description 1
- 238000000859 sublimation Methods 0.000 description 1
- 230000008022 sublimation Effects 0.000 description 1
- 238000010301 surface-oxidation reaction Methods 0.000 description 1
- 229910052718 tin Inorganic materials 0.000 description 1
- 239000011135 tin Substances 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 238000004506 ultrasonic cleaning Methods 0.000 description 1
- 238000007738 vacuum evaporation Methods 0.000 description 1
- RNWHGQJWIACOKP-UHFFFAOYSA-N zinc;oxygen(2-) Chemical group [O-2].[Zn+2] RNWHGQJWIACOKP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- C03C21/00—Treatment of glass, not in the form of fibres or filaments, by diffusing ions or metals in the surface
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- C03C21/00—Treatment of glass, not in the form of fibres or filaments, by diffusing ions or metals in the surface
- C03C21/008—Treatment of glass, not in the form of fibres or filaments, by diffusing ions or metals in the surface in solid phase, e.g. using pastes, powders
Landscapes
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Surface Treatment Of Glass (AREA)
- Glass Compositions (AREA)
- Optical Fibers, Optical Fiber Cores, And Optical Fiber Bundles (AREA)
- Manufacture, Treatment Of Glass Fibers (AREA)
Priority Applications (7)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE2526804A DE2526804B2 (de) | 1975-06-16 | 1975-06-16 | Verfahren zur Veränderung der |
| US05/694,595 US4017291A (en) | 1975-06-16 | 1976-06-10 | Process for the treatment of glass by metal migration |
| BE6045557A BE842953A (fr) | 1975-06-16 | 1976-06-14 | Procede de traitement du verre |
| GB24596/76A GB1554283A (en) | 1975-06-16 | 1976-06-14 | Treatment of glass |
| JP51068840A JPS51151710A (en) | 1975-06-16 | 1976-06-14 | Method of treating glass |
| FR7618212A FR2314903A1 (fr) | 1975-06-16 | 1976-06-16 | Procede de traitement du verre |
| ES448927A ES448927A1 (es) | 1975-06-16 | 1976-06-16 | Procedimiento para el tratamiento de vidrio. |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE2526804A DE2526804B2 (de) | 1975-06-16 | 1975-06-16 | Verfahren zur Veränderung der |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DE2526804A1 DE2526804A1 (de) | 1977-01-20 |
| DE2526804B2 true DE2526804B2 (de) | 1979-06-07 |
Family
ID=5949212
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE2526804A Ceased DE2526804B2 (de) | 1975-06-16 | 1975-06-16 | Verfahren zur Veränderung der |
Country Status (7)
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19857502A1 (de) * | 1998-12-14 | 2000-06-15 | Forschungszentrum Juelich Gmbh | Erhöhung der Strahlungsempfindlichkeit einer Glasfaser |
Families Citing this family (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4066426A (en) * | 1976-05-26 | 1978-01-03 | Sprague Electric Company | Method of forming a glass-reacted-ceramic with cadmium |
| US4130407A (en) * | 1977-06-16 | 1978-12-19 | Duraglass Research & Development Corp. | Strengthening of glass |
| DE2737266C2 (de) * | 1977-08-18 | 1987-08-20 | MTU Motoren- und Turbinen-Union München GmbH, 8000 München | Verfahren zur Kapselung eines Formkörpers aus Siliziumkeramik für das heißisostatische Pressen |
| USRE31220E (en) * | 1977-11-30 | 1983-04-26 | Ppg Industries, Inc. | Electromigration method for making stained glass photomasks |
| US4155735A (en) * | 1977-11-30 | 1979-05-22 | Ppg Industries, Inc. | Electromigration method for making stained glass photomasks |
| US4196963A (en) * | 1978-05-30 | 1980-04-08 | Hughes Aircraft Company | Method for eliminating Li2 O out-diffusion in LiNbO3 and LiTaO3 waveguide structures |
| US4329016A (en) * | 1978-06-01 | 1982-05-11 | Hughes Aircraft Company | Optical waveguide formed by diffusing metal into substrate |
| US4897371A (en) * | 1987-02-03 | 1990-01-30 | Nippon Sheet Glass Co., Ltd. | Glass article protected from coloring by electron rays and method of using |
| IT1237224B (it) * | 1989-11-29 | 1993-05-27 | Siv Soc Italiana Vetro | Procedimento per la fabbricazione di vetro riflettente e prodotto cosi' ottenuto. |
| US5792327A (en) * | 1994-07-19 | 1998-08-11 | Corning Incorporated | Adhering metal to glass |
| US5851366A (en) * | 1994-07-19 | 1998-12-22 | Corning Incorporated | Adhering metal to glass |
| US6030681A (en) * | 1997-07-10 | 2000-02-29 | Raychem Corporation | Magnetic disk comprising a substrate with a cermet layer on a porcelain |
| US6151916A (en) * | 1998-06-02 | 2000-11-28 | Lucent Technologies Inc. | Methods of making glass ferrule optical fiber connectors |
| CN113840810A (zh) * | 2019-05-17 | 2021-12-24 | 康宁股份有限公司 | 改良具有处于压应力下的区域的纹理化玻璃基板以增加玻璃基板强度的方法 |
Family Cites Families (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3012902A (en) * | 1959-12-08 | 1961-12-12 | Owens Illinois Glass Co | Process of reacting a vaporous metal with a glass surface |
| FR1589397A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * | 1967-04-25 | 1970-03-31 | ||
| GB1218403A (en) * | 1967-04-27 | 1971-01-06 | Glaverbel | Process and apparatus for use in modifying glass and other materials |
| US3615318A (en) * | 1967-08-01 | 1971-10-26 | Owens Illinois Inc | Decorating process |
| GB1282866A (en) * | 1968-08-16 | 1972-07-26 | Pilkington Brothers Ltd | Improvements in or relating to the production of glass having desired surface characteristics |
| CA959175A (en) * | 1971-03-09 | 1974-12-10 | Innotech Corporation | Method of controllably altering the conductivity of a glassy amorphous material |
| US3798016A (en) * | 1971-09-14 | 1974-03-19 | J Yates | Manufacture of flat glass |
| DE2230506C3 (de) * | 1972-06-22 | 1975-08-21 | Jenaer Glaswerk Schott & Gen., 6500 Mainz | Verfahren zur Erzeugung der Phototropie in entsprechend zusammengesetzten Rohgläsern durch eine Temperaturbehandlung in einer Flüssigkeit |
| JPS5319208B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * | 1972-11-27 | 1978-06-20 | ||
| JPS5211681B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * | 1973-04-17 | 1977-04-01 | ||
| US3900305A (en) * | 1973-05-07 | 1975-08-19 | Corning Glass Works | Method of forming conductive layer on oxide-containing surfaces |
| US3961926A (en) * | 1974-12-27 | 1976-06-08 | International Telephone And Telegraph Corporation | Preparation of germania cores in optical fibers |
| US3971645A (en) * | 1975-09-12 | 1976-07-27 | Bell Telephone Laboratories, Incorporated | Method of making compound-glass optical waveguides fabricated by a metal evaporation technique |
-
1975
- 1975-06-16 DE DE2526804A patent/DE2526804B2/de not_active Ceased
-
1976
- 1976-06-10 US US05/694,595 patent/US4017291A/en not_active Expired - Lifetime
- 1976-06-14 BE BE6045557A patent/BE842953A/xx unknown
- 1976-06-14 JP JP51068840A patent/JPS51151710A/ja active Granted
- 1976-06-14 GB GB24596/76A patent/GB1554283A/en not_active Expired
- 1976-06-16 FR FR7618212A patent/FR2314903A1/fr active Granted
- 1976-06-16 ES ES448927A patent/ES448927A1/es not_active Expired
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19857502A1 (de) * | 1998-12-14 | 2000-06-15 | Forschungszentrum Juelich Gmbh | Erhöhung der Strahlungsempfindlichkeit einer Glasfaser |
Also Published As
| Publication number | Publication date |
|---|---|
| ES448927A1 (es) | 1977-12-16 |
| JPS51151710A (en) | 1976-12-27 |
| FR2314903B1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1980-08-22 |
| JPS5529946B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1980-08-07 |
| FR2314903A1 (fr) | 1977-01-14 |
| GB1554283A (en) | 1979-10-17 |
| US4017291A (en) | 1977-04-12 |
| DE2526804A1 (de) | 1977-01-20 |
| BE842953A (fr) | 1976-10-01 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| BHV | Refusal |