JPS6260424B2 - - Google Patents
Info
- Publication number
- JPS6260424B2 JPS6260424B2 JP7340677A JP7340677A JPS6260424B2 JP S6260424 B2 JPS6260424 B2 JP S6260424B2 JP 7340677 A JP7340677 A JP 7340677A JP 7340677 A JP7340677 A JP 7340677A JP S6260424 B2 JPS6260424 B2 JP S6260424B2
- Authority
- JP
- Japan
- Prior art keywords
- bismuth vanadate
- gel
- reflectance
- water
- solution
- 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
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 156
- LSGOVYNHVSXFFJ-UHFFFAOYSA-N vanadate(3-) Chemical compound [O-][V]([O-])([O-])=O LSGOVYNHVSXFFJ-UHFFFAOYSA-N 0.000 claims description 91
- 229910052797 bismuth Inorganic materials 0.000 claims description 89
- JCXGWMGPZLAOME-UHFFFAOYSA-N bismuth atom Chemical compound [Bi] JCXGWMGPZLAOME-UHFFFAOYSA-N 0.000 claims description 86
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 81
- 239000000203 mixture Substances 0.000 claims description 56
- 239000000049 pigment Substances 0.000 claims description 45
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 claims description 26
- 239000000725 suspension Substances 0.000 claims description 24
- 238000002156 mixing Methods 0.000 claims description 20
- 239000003973 paint Substances 0.000 claims description 16
- 238000004519 manufacturing process Methods 0.000 claims description 15
- 239000003513 alkali Substances 0.000 claims description 14
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 claims description 12
- 229910017604 nitric acid Inorganic materials 0.000 claims description 12
- 239000011734 sodium Substances 0.000 claims description 12
- 239000002585 base Substances 0.000 claims description 11
- 229910002651 NO3 Inorganic materials 0.000 claims description 10
- NHNBFGGVMKEFGY-UHFFFAOYSA-N Nitrate Chemical compound [O-][N+]([O-])=O NHNBFGGVMKEFGY-UHFFFAOYSA-N 0.000 claims description 10
- 239000002253 acid Substances 0.000 claims description 10
- 241000245063 Primula Species 0.000 claims description 8
- 235000016311 Primula vulgaris Nutrition 0.000 claims description 8
- TZCXTZWJZNENPQ-UHFFFAOYSA-L barium sulfate Chemical compound [Ba+2].[O-]S([O-])(=O)=O TZCXTZWJZNENPQ-UHFFFAOYSA-L 0.000 claims description 6
- 238000001354 calcination Methods 0.000 claims description 6
- 230000007423 decrease Effects 0.000 claims description 6
- 239000000843 powder Substances 0.000 claims description 4
- 239000002244 precipitate Substances 0.000 claims description 4
- 238000001429 visible spectrum Methods 0.000 claims description 2
- 238000005406 washing Methods 0.000 claims 1
- 239000000499 gel Substances 0.000 description 48
- 239000000243 solution Substances 0.000 description 41
- 238000000034 method Methods 0.000 description 23
- 238000001914 filtration Methods 0.000 description 15
- 238000003756 stirring Methods 0.000 description 13
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 12
- VWDWKYIASSYTQR-UHFFFAOYSA-N sodium nitrate Chemical compound [Na+].[O-][N+]([O-])=O VWDWKYIASSYTQR-UHFFFAOYSA-N 0.000 description 12
- 239000004615 ingredient Substances 0.000 description 10
- 238000005259 measurement Methods 0.000 description 10
- IHIXIJGXTJIKRB-UHFFFAOYSA-N trisodium vanadate Chemical compound [Na+].[Na+].[Na+].[O-][V]([O-])([O-])=O IHIXIJGXTJIKRB-UHFFFAOYSA-N 0.000 description 10
- 239000000047 product Substances 0.000 description 9
- 229910000166 zirconium phosphate Inorganic materials 0.000 description 9
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 7
- 238000002441 X-ray diffraction Methods 0.000 description 6
- 235000010344 sodium nitrate Nutrition 0.000 description 6
- 239000004317 sodium nitrate Substances 0.000 description 6
- 239000007864 aqueous solution Substances 0.000 description 5
- -1 bismuth vanadate Chemical class 0.000 description 5
- CPELXLSAUQHCOX-UHFFFAOYSA-N Hydrogen bromide Chemical compound Br CPELXLSAUQHCOX-UHFFFAOYSA-N 0.000 description 4
- RXPAJWPEYBDXOG-UHFFFAOYSA-N hydron;methyl 4-methoxypyridine-2-carboxylate;chloride Chemical group Cl.COC(=O)C1=CC(OC)=CC=N1 RXPAJWPEYBDXOG-UHFFFAOYSA-N 0.000 description 4
- 238000010979 pH adjustment Methods 0.000 description 4
- 239000004033 plastic Substances 0.000 description 4
- 229920003023 plastic Polymers 0.000 description 4
- 229910052720 vanadium Inorganic materials 0.000 description 4
- LEONUFNNVUYDNQ-UHFFFAOYSA-N vanadium atom Chemical compound [V] LEONUFNNVUYDNQ-UHFFFAOYSA-N 0.000 description 4
- 239000011230 binding agent Substances 0.000 description 3
- 230000033228 biological regulation Effects 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 3
- 239000011248 coating agent Substances 0.000 description 3
- 238000000576 coating method Methods 0.000 description 3
- 238000004040 coloring Methods 0.000 description 3
- 239000013078 crystal Substances 0.000 description 3
- 230000001186 cumulative effect Effects 0.000 description 3
- 238000010438 heat treatment Methods 0.000 description 3
- 239000002245 particle Substances 0.000 description 3
- 239000000377 silicon dioxide Substances 0.000 description 3
- 230000003595 spectral effect Effects 0.000 description 3
- 239000001052 yellow pigment Substances 0.000 description 3
- WUPHOULIZUERAE-UHFFFAOYSA-N 3-(oxolan-2-yl)propanoic acid Chemical compound OC(=O)CCC1CCCO1 WUPHOULIZUERAE-UHFFFAOYSA-N 0.000 description 2
- CWYNVVGOOAEACU-UHFFFAOYSA-N Fe2+ Chemical compound [Fe+2] CWYNVVGOOAEACU-UHFFFAOYSA-N 0.000 description 2
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 2
- PWHULOQIROXLJO-UHFFFAOYSA-N Manganese Chemical compound [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 description 2
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 description 2
- 239000004115 Sodium Silicate Substances 0.000 description 2
- 230000002411 adverse Effects 0.000 description 2
- 150000001447 alkali salts Chemical class 0.000 description 2
- 229940067573 brown iron oxide Drugs 0.000 description 2
- 229910052980 cadmium sulfide Inorganic materials 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- RKTYLMNFRDHKIL-UHFFFAOYSA-N copper;5,10,15,20-tetraphenylporphyrin-22,24-diide Chemical compound [Cu+2].C1=CC(C(=C2C=CC([N-]2)=C(C=2C=CC=CC=2)C=2C=CC(N=2)=C(C=2C=CC=CC=2)C2=CC=C3[N-]2)C=2C=CC=CC=2)=NC1=C3C1=CC=CC=C1 RKTYLMNFRDHKIL-UHFFFAOYSA-N 0.000 description 2
- 238000004455 differential thermal analysis Methods 0.000 description 2
- DGXKDBWJDQHNCI-UHFFFAOYSA-N dioxido(oxo)titanium nickel(2+) Chemical compound [Ni++].[O-][Ti]([O-])=O DGXKDBWJDQHNCI-UHFFFAOYSA-N 0.000 description 2
- 230000000694 effects Effects 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
- 229910000042 hydrogen bromide Inorganic materials 0.000 description 2
- 238000005286 illumination Methods 0.000 description 2
- 239000000976 ink Substances 0.000 description 2
- MOUPNEIJQCETIW-UHFFFAOYSA-N lead chromate Chemical compound [Pb+2].[O-][Cr]([O-])(=O)=O MOUPNEIJQCETIW-UHFFFAOYSA-N 0.000 description 2
- 229910052748 manganese Inorganic materials 0.000 description 2
- 239000011572 manganese Substances 0.000 description 2
- 150000002823 nitrates Chemical class 0.000 description 2
- 231100000252 nontoxic Toxicity 0.000 description 2
- 230000003000 nontoxic effect Effects 0.000 description 2
- 239000003960 organic solvent Substances 0.000 description 2
- FGIUAXJPYTZDNR-UHFFFAOYSA-N potassium nitrate Chemical compound [K+].[O-][N+]([O-])=O FGIUAXJPYTZDNR-UHFFFAOYSA-N 0.000 description 2
- 239000012266 salt solution Substances 0.000 description 2
- KKCBUQHMOMHUOY-UHFFFAOYSA-N sodium oxide Chemical compound [O-2].[Na+].[Na+] KKCBUQHMOMHUOY-UHFFFAOYSA-N 0.000 description 2
- 229910001948 sodium oxide Inorganic materials 0.000 description 2
- NTHWMYGWWRZVTN-UHFFFAOYSA-N sodium silicate Chemical compound [Na+].[Na+].[O-][Si]([O-])=O NTHWMYGWWRZVTN-UHFFFAOYSA-N 0.000 description 2
- 229910052911 sodium silicate Inorganic materials 0.000 description 2
- 238000003786 synthesis reaction Methods 0.000 description 2
- 239000002966 varnish Substances 0.000 description 2
- NCGICGYLBXGBGN-UHFFFAOYSA-N 3-morpholin-4-yl-1-oxa-3-azonia-2-azanidacyclopent-3-en-5-imine;hydrochloride Chemical compound Cl.[N-]1OC(=N)C=[N+]1N1CCOCC1 NCGICGYLBXGBGN-UHFFFAOYSA-N 0.000 description 1
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 206010073306 Exposure to radiation Diseases 0.000 description 1
- 241001268311 Icta Species 0.000 description 1
- 229910020700 Na3VO4 Inorganic materials 0.000 description 1
- BPQQTUXANYXVAA-UHFFFAOYSA-N Orthosilicate Chemical compound [O-][Si]([O-])([O-])[O-] BPQQTUXANYXVAA-UHFFFAOYSA-N 0.000 description 1
- 150000007513 acids Chemical class 0.000 description 1
- 229910001854 alkali hydroxide Inorganic materials 0.000 description 1
- 229910000147 aluminium phosphate Inorganic materials 0.000 description 1
- AMVQGJHFDJVOOB-UHFFFAOYSA-H aluminium sulfate octadecahydrate Chemical compound O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.[Al+3].[Al+3].[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O AMVQGJHFDJVOOB-UHFFFAOYSA-H 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- HUUOUJVWIOKBMD-UHFFFAOYSA-N bismuth;oxygen(2-);vanadium Chemical compound [O-2].[O-2].[O-2].[O-2].[V].[Bi+3] HUUOUJVWIOKBMD-UHFFFAOYSA-N 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000000460 chlorine Substances 0.000 description 1
- 229910052801 chlorine Inorganic materials 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 239000012153 distilled water Substances 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 238000000635 electron micrograph Methods 0.000 description 1
- 230000001747 exhibiting effect Effects 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 230000035800 maturation Effects 0.000 description 1
- 239000011368 organic material Substances 0.000 description 1
- 239000012860 organic pigment Substances 0.000 description 1
- 235000010333 potassium nitrate Nutrition 0.000 description 1
- 239000004323 potassium nitrate Substances 0.000 description 1
- BQFYGYJPBUKISI-UHFFFAOYSA-N potassium;oxido(dioxo)vanadium Chemical compound [K+].[O-][V](=O)=O BQFYGYJPBUKISI-UHFFFAOYSA-N 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 239000000376 reactant Substances 0.000 description 1
- 239000011541 reaction mixture Substances 0.000 description 1
- 238000000985 reflectance spectrum Methods 0.000 description 1
- 230000005070 ripening Effects 0.000 description 1
- 238000007086 side reaction Methods 0.000 description 1
- 239000000344 soap Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 241000894007 species Species 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 235000011149 sulphuric acid Nutrition 0.000 description 1
- XGFPOHQJFNFBKA-UHFFFAOYSA-B tetraaluminum;phosphonato phosphate Chemical compound [Al+3].[Al+3].[Al+3].[Al+3].[O-]P([O-])(=O)OP([O-])([O-])=O.[O-]P([O-])(=O)OP([O-])([O-])=O.[O-]P([O-])(=O)OP([O-])([O-])=O XGFPOHQJFNFBKA-UHFFFAOYSA-B 0.000 description 1
- 238000002076 thermal analysis method Methods 0.000 description 1
- 231100000331 toxic Toxicity 0.000 description 1
- 230000002588 toxic effect Effects 0.000 description 1
- 150000003682 vanadium compounds Chemical class 0.000 description 1
- 229910001456 vanadium ion Inorganic materials 0.000 description 1
- 239000012463 white pigment Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
- C01G31/00—Compounds of vanadium
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09C—TREATMENT OF INORGANIC MATERIALS, OTHER THAN FIBROUS FILLERS, TO ENHANCE THEIR PIGMENTING OR FILLING PROPERTIES ; PREPARATION OF CARBON BLACK ; PREPARATION OF INORGANIC MATERIALS WHICH ARE NO SINGLE CHEMICAL COMPOUNDS AND WHICH ARE MAINLY USED AS PIGMENTS OR FILLERS
- C09C1/00—Treatment of specific inorganic materials other than fibrous fillers; Preparation of carbon black
- C09C1/0006—Treatment of specific inorganic materials other than fibrous fillers; Preparation of carbon black containing bismuth and vanadium
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2002/00—Crystal-structural characteristics
- C01P2002/70—Crystal-structural characteristics defined by measured X-ray, neutron or electron diffraction data
- C01P2002/76—Crystal-structural characteristics defined by measured X-ray, neutron or electron diffraction data by a space-group or by other symmetry indications
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2002/00—Crystal-structural characteristics
- C01P2002/80—Crystal-structural characteristics defined by measured data other than those specified in group C01P2002/70
- C01P2002/84—Crystal-structural characteristics defined by measured data other than those specified in group C01P2002/70 by UV- or VIS- data
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2002/00—Crystal-structural characteristics
- C01P2002/80—Crystal-structural characteristics defined by measured data other than those specified in group C01P2002/70
- C01P2002/88—Crystal-structural characteristics defined by measured data other than those specified in group C01P2002/70 by thermal analysis data, e.g. TGA, DTA, DSC
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2004/00—Particle morphology
- C01P2004/80—Particles consisting of a mixture of two or more inorganic phases
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2006/00—Physical properties of inorganic compounds
- C01P2006/12—Surface area
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2006/00—Physical properties of inorganic compounds
- C01P2006/12—Surface area
- C01P2006/13—Surface area thermal stability thereof at high temperatures
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2006/00—Physical properties of inorganic compounds
- C01P2006/60—Optical properties, e.g. expressed in CIELAB-values
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Inorganic Compounds Of Heavy Metals (AREA)
- Pigments, Carbon Blacks, Or Wood Stains (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US69869276A | 1976-06-22 | 1976-06-22 | |
| US05/794,391 US4115142A (en) | 1976-06-22 | 1977-05-09 | Pigmentary bright primrose yellow monoclinic bismuth vanadate and processes for the preparation thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5314199A JPS5314199A (en) | 1978-02-08 |
| JPS6260424B2 true JPS6260424B2 (de) | 1987-12-16 |
Family
ID=27106263
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7340677A Granted JPS5314199A (en) | 1976-06-22 | 1977-06-22 | Monoclinic bismus vanadate pigment having clear primrose yellow and process for preparing same |
Country Status (8)
| Country | Link |
|---|---|
| JP (1) | JPS5314199A (de) |
| BR (1) | BR7704017A (de) |
| CA (1) | CA1097031A (de) |
| DE (1) | DE2727863A1 (de) |
| FR (1) | FR2355778A1 (de) |
| GB (1) | GB1585524A (de) |
| IT (1) | IT1114882B (de) |
| NL (1) | NL7706832A (de) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5957915A (ja) * | 1982-09-27 | 1984-04-03 | Res Dev Corp Of Japan | ビスマス−バナジウム系非晶質化合物材料及びその製造法 |
| DE3315851A1 (de) * | 1983-04-30 | 1984-10-31 | Bayer Ag, 5090 Leverkusen | Verfahren zur herstellung von gelbem bismutvanadat-pigment |
| DE3315850A1 (de) * | 1983-04-30 | 1984-10-31 | Bayer Ag, 5090 Leverkusen | Verfahren zur herstellung von gelbem bismutvanadat-pigment |
| FI93199C (fi) * | 1992-12-22 | 1995-03-10 | Kone Oy | Laite hissikorin kynnykseen kerääntyvien roskien poistamiseksi |
| JP4183095B2 (ja) | 2006-04-27 | 2008-11-19 | 株式会社オーバル | 渦流量計 |
| JP4859799B2 (ja) * | 2007-09-27 | 2012-01-25 | 三洋電機株式会社 | 高圧蒸気滅菌器 |
| CN114920293B (zh) * | 2022-04-26 | 2023-08-01 | 中铝山东有限公司 | 一种单斜白钨矿型球状钒酸铋的制备方法及钒酸铋颜料 |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE422947C (de) * | 1924-08-09 | 1925-12-16 | Eduard Zintl Dr | Verfahren zur Darstellung von reinem Wismutvanadat |
| DE1106898B (de) * | 1959-10-10 | 1961-05-18 | Bayer Ag | Gelbe Pigmente |
-
1977
- 1977-06-20 IT IT2486977A patent/IT1114882B/it active
- 1977-06-20 CA CA280,983A patent/CA1097031A/en not_active Expired
- 1977-06-21 NL NL7706832A patent/NL7706832A/xx not_active Application Discontinuation
- 1977-06-21 DE DE19772727863 patent/DE2727863A1/de not_active Ceased
- 1977-06-21 GB GB2585877A patent/GB1585524A/en not_active Expired
- 1977-06-21 BR BR7704017A patent/BR7704017A/pt unknown
- 1977-06-21 FR FR7718941A patent/FR2355778A1/fr not_active Withdrawn
- 1977-06-22 JP JP7340677A patent/JPS5314199A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| IT1114882B (it) | 1986-01-27 |
| FR2355778A1 (fr) | 1978-01-20 |
| JPS5314199A (en) | 1978-02-08 |
| BR7704017A (pt) | 1978-06-06 |
| NL7706832A (nl) | 1977-12-27 |
| CA1097031A (en) | 1981-03-10 |
| GB1585524A (en) | 1981-03-04 |
| DE2727863A1 (de) | 1978-01-05 |
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