DE1767004A1 - Verfahren zur Herstellung von Chlorcyan neben Cyanurchlorid und tetramerem Chlorcyan - Google Patents
Verfahren zur Herstellung von Chlorcyan neben Cyanurchlorid und tetramerem ChlorcyanInfo
- Publication number
- DE1767004A1 DE1767004A1 DE19681767004 DE1767004A DE1767004A1 DE 1767004 A1 DE1767004 A1 DE 1767004A1 DE 19681767004 DE19681767004 DE 19681767004 DE 1767004 A DE1767004 A DE 1767004A DE 1767004 A1 DE1767004 A1 DE 1767004A1
- Authority
- DE
- Germany
- Prior art keywords
- chloride
- cyanogen chloride
- addition
- cyanogen
- chlorine
- 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.)
- Pending
Links
- QPJDMGCKMHUXFD-UHFFFAOYSA-N cyanogen chloride Chemical compound ClC#N QPJDMGCKMHUXFD-UHFFFAOYSA-N 0.000 title claims description 19
- 238000000034 method Methods 0.000 title claims description 14
- MGNCLNQXLYJVJD-UHFFFAOYSA-N cyanuric chloride Chemical compound ClC1=NC(Cl)=NC(Cl)=N1 MGNCLNQXLYJVJD-UHFFFAOYSA-N 0.000 title claims description 11
- 238000004519 manufacturing process Methods 0.000 title description 3
- LELOWRISYMNNSU-UHFFFAOYSA-N hydrogen cyanide Chemical compound N#C LELOWRISYMNNSU-UHFFFAOYSA-N 0.000 claims description 22
- 239000003054 catalyst Substances 0.000 claims description 15
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 claims description 13
- 239000000460 chlorine Substances 0.000 claims description 13
- 229910052801 chlorine Inorganic materials 0.000 claims description 13
- 239000007791 liquid phase Substances 0.000 claims description 5
- FAIAAWCVCHQXDN-UHFFFAOYSA-N phosphorus trichloride Chemical compound ClP(Cl)Cl FAIAAWCVCHQXDN-UHFFFAOYSA-N 0.000 claims description 5
- 239000011261 inert gas Substances 0.000 claims description 3
- 239000000126 substance Substances 0.000 claims 1
- 238000006243 chemical reaction Methods 0.000 description 8
- 239000007788 liquid Substances 0.000 description 5
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 4
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 4
- IXCSERBJSXMMFS-UHFFFAOYSA-N hydrogen chloride Substances Cl.Cl IXCSERBJSXMMFS-UHFFFAOYSA-N 0.000 description 4
- 229910000041 hydrogen chloride Inorganic materials 0.000 description 4
- KZBUYRJDOAKODT-UHFFFAOYSA-N Chlorine Chemical compound ClCl KZBUYRJDOAKODT-UHFFFAOYSA-N 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- KZMGYPLQYOPHEL-UHFFFAOYSA-N Boron trifluoride etherate Chemical compound FB(F)F.CCOCC KZMGYPLQYOPHEL-UHFFFAOYSA-N 0.000 description 2
- HEDRZPFGACZZDS-UHFFFAOYSA-N Chloroform Chemical compound ClC(Cl)Cl HEDRZPFGACZZDS-UHFFFAOYSA-N 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 150000002366 halogen compounds Chemical class 0.000 description 2
- RBTARNINKXHZNM-UHFFFAOYSA-K iron trichloride Chemical compound Cl[Fe](Cl)Cl RBTARNINKXHZNM-UHFFFAOYSA-K 0.000 description 2
- 239000012071 phase Substances 0.000 description 2
- 239000002904 solvent Substances 0.000 description 2
- JIAARYAFYJHUJI-UHFFFAOYSA-L zinc dichloride Chemical compound [Cl-].[Cl-].[Zn+2] JIAARYAFYJHUJI-UHFFFAOYSA-L 0.000 description 2
- FIDRAVVQGKNYQK-UHFFFAOYSA-N 1,2,3,4-tetrahydrotriazine Chemical compound C1NNNC=C1 FIDRAVVQGKNYQK-UHFFFAOYSA-N 0.000 description 1
- OZAIFHULBGXAKX-UHFFFAOYSA-N 2-(2-cyanopropan-2-yldiazenyl)-2-methylpropanenitrile Chemical compound N#CC(C)(C)N=NC(C)(C)C#N OZAIFHULBGXAKX-UHFFFAOYSA-N 0.000 description 1
- KNIUHBNRWZGIQQ-UHFFFAOYSA-N 7-diethoxyphosphinothioyloxy-4-methylchromen-2-one Chemical compound CC1=CC(=O)OC2=CC(OP(=S)(OCC)OCC)=CC=C21 KNIUHBNRWZGIQQ-UHFFFAOYSA-N 0.000 description 1
- OMPJBNCRMGITSC-UHFFFAOYSA-N Benzoylperoxide Chemical compound C=1C=CC=CC=1C(=O)OOC(=O)C1=CC=CC=C1 OMPJBNCRMGITSC-UHFFFAOYSA-N 0.000 description 1
- CPELXLSAUQHCOX-UHFFFAOYSA-M Bromide Chemical compound [Br-] CPELXLSAUQHCOX-UHFFFAOYSA-M 0.000 description 1
- 229910021578 Iron(III) chloride Inorganic materials 0.000 description 1
- 230000002378 acidificating effect Effects 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- VSCWAEJMTAWNJL-UHFFFAOYSA-K aluminium trichloride Chemical compound Cl[Al](Cl)Cl VSCWAEJMTAWNJL-UHFFFAOYSA-K 0.000 description 1
- -1 aluminum silicates Chemical class 0.000 description 1
- FAPDDOBMIUGHIN-UHFFFAOYSA-K antimony trichloride Chemical compound Cl[Sb](Cl)Cl FAPDDOBMIUGHIN-UHFFFAOYSA-K 0.000 description 1
- 235000019400 benzoyl peroxide Nutrition 0.000 description 1
- 239000006227 byproduct Substances 0.000 description 1
- 230000003197 catalytic effect Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000005660 chlorination reaction Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 239000003085 diluting agent Substances 0.000 description 1
- PXJJSXABGXMUSU-UHFFFAOYSA-N disulfur dichloride Chemical compound ClSSCl PXJJSXABGXMUSU-UHFFFAOYSA-N 0.000 description 1
- 238000007710 freezing Methods 0.000 description 1
- 230000008014 freezing Effects 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- UHZYTMXLRWXGPK-UHFFFAOYSA-N phosphorus pentachloride Chemical compound ClP(Cl)(Cl)(Cl)Cl UHZYTMXLRWXGPK-UHFFFAOYSA-N 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 239000011541 reaction mixture Substances 0.000 description 1
- 230000035484 reaction time Effects 0.000 description 1
- 150000003464 sulfur compounds Chemical class 0.000 description 1
- FWMUJAIKEJWSSY-UHFFFAOYSA-N sulfur dichloride Chemical compound ClSCl FWMUJAIKEJWSSY-UHFFFAOYSA-N 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 238000010626 work up procedure Methods 0.000 description 1
- 235000005074 zinc chloride Nutrition 0.000 description 1
- 239000011592 zinc chloride Substances 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01C—AMMONIA; CYANOGEN; COMPOUNDS THEREOF
- C01C3/00—Cyanogen; Compounds thereof
- C01C3/004—Halogenides of cyanogen
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L29/00—Semiconductor devices specially adapted for rectifying, amplifying, oscillating or switching and having potential barriers; Capacitors or resistors having potential barriers, e.g. a PN-junction depletion layer or carrier concentration layer; Details of semiconductor bodies or of electrodes thereof ; Multistep manufacturing processes therefor
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Computer Hardware Design (AREA)
- Organic Chemistry (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- Inorganic Chemistry (AREA)
- Manufacturing & Machinery (AREA)
- Ceramic Engineering (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Catalysts (AREA)
- ing And Chemical Polishing (AREA)
- Electroplating Methods And Accessories (AREA)
- Weting (AREA)
- Separation Of Gases By Adsorption (AREA)
Priority Applications (16)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| BE520380D BE520380A (US20080293856A1-20081127-C00150.png) | 1952-06-02 | ||
| NLAANVRAGE7405951,A NL178757B (nl) | 1952-06-02 | Werkwijze en inrichting voor het continu produceren van een metaalstrook uit metaalpoeder. | |
| GB1689321A GB178757A (en) | 1921-06-20 | 1921-06-20 | Improvements in and relating to reversible tapping chucks |
| US291355A US2781481A (en) | 1952-06-02 | 1952-06-02 | Semiconductors and methods of making same |
| US294741A US2894862A (en) | 1952-06-02 | 1952-06-20 | Method of fabricating p-n type junction devices |
| FR1078708D FR1078708A (fr) | 1952-06-02 | 1953-04-21 | Procédé de fabrication de dispositifs semi-conducteurs |
| GB14822/53A GB730123A (en) | 1952-06-02 | 1953-05-27 | Improved method of fabricating semi-conductive devices |
| CH318621D CH318621A (de) | 1952-06-02 | 1953-06-01 | Verfahren zur Herstellung von Halbleiter-Gebilden und nach diesem Verfahren hergestellte Gebilde |
| GB524/63A GB1001294A (en) | 1952-06-02 | 1963-01-04 | Purification of gas mixtures |
| FR959320A FR1378708A (fr) | 1952-06-02 | 1964-01-03 | Procédé de purification de mélanges gazeux contenant des impuretés |
| DE19681767004 DE1767004A1 (de) | 1952-06-02 | 1968-03-20 | Verfahren zur Herstellung von Chlorcyan neben Cyanurchlorid und tetramerem Chlorcyan |
| CH228969A CH515186A (de) | 1952-06-02 | 1969-02-14 | Verfahren zur Herstellung von Chlorcyan |
| GB8631/69A GB1211497A (en) | 1952-06-02 | 1969-02-18 | Process for the production of cyanogen chloride and/or cyanuric chloride and tetrameric cyanogen chloride |
| NL6903756A NL6903756A (US20080293856A1-20081127-C00150.png) | 1952-06-02 | 1969-03-11 | |
| BE730123D BE730123A (US20080293856A1-20081127-C00150.png) | 1952-06-02 | 1969-03-19 | |
| FR6908170A FR2004346A1 (US20080293856A1-20081127-C00150.png) | 1952-06-02 | 1969-03-20 |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US291355A US2781481A (en) | 1952-06-02 | 1952-06-02 | Semiconductors and methods of making same |
| US294741A US2894862A (en) | 1952-06-02 | 1952-06-20 | Method of fabricating p-n type junction devices |
| DE19681767004 DE1767004A1 (de) | 1952-06-02 | 1968-03-20 | Verfahren zur Herstellung von Chlorcyan neben Cyanurchlorid und tetramerem Chlorcyan |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE1767004A1 true DE1767004A1 (de) | 1971-08-19 |
Family
ID=27181257
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19681767004 Pending DE1767004A1 (de) | 1921-06-20 | 1968-03-20 | Verfahren zur Herstellung von Chlorcyan neben Cyanurchlorid und tetramerem Chlorcyan |
Country Status (7)
Families Citing this family (45)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2953730A (en) * | 1952-11-07 | 1960-09-20 | Rca Corp | High frequency semiconductor devices |
| US2849341A (en) * | 1953-05-01 | 1958-08-26 | Rca Corp | Method for making semi-conductor devices |
| US2940024A (en) * | 1954-06-01 | 1960-06-07 | Rca Corp | Semi-conductor rectifiers |
| GB794128A (en) * | 1955-08-04 | 1958-04-30 | Gen Electric Co Ltd | Improvements in or relating to methods of forming a junction in a semiconductor |
| BE549320A (US20080293856A1-20081127-C00150.png) * | 1955-09-02 | |||
| US2833678A (en) * | 1955-09-27 | 1958-05-06 | Rca Corp | Methods of surface alloying with aluminum-containing solder |
| US2898247A (en) * | 1955-10-24 | 1959-08-04 | Ibm | Fabrication of diffused junction semi-conductor devices |
| GB797304A (en) * | 1955-12-19 | 1958-07-02 | Gen Electric Co Ltd | Improvements in or relating to the manufacture of semiconductor devices |
| GB827117A (en) * | 1958-01-03 | 1960-02-03 | Standard Telephones Cables Ltd | Improvements in or relating to semi-conductor devices |
| GB864222A (en) * | 1956-02-23 | 1961-03-29 | Post Office | Improvements in or relating to methods for the production of semi-conductor junctiondevices |
| BE562490A (US20080293856A1-20081127-C00150.png) * | 1956-03-05 | 1900-01-01 | ||
| US2929751A (en) * | 1956-11-15 | 1960-03-22 | Gen Electric Co Ltd | Manufacture of semiconductor devices |
| DE1075223B (de) * | 1957-05-03 | 1960-02-11 | Telefunken GmbH Berlin | Verfahren zum Auflegicren ^mcs eutektischen Legierungsmatenals auf einen Halbleiterkörper |
| US3054033A (en) * | 1957-05-21 | 1962-09-11 | Sony Corp | Junction type semiconductor device |
| US2945285A (en) * | 1957-06-03 | 1960-07-19 | Sperry Rand Corp | Bonding of semiconductor contact electrodes |
| US3047437A (en) * | 1957-08-19 | 1962-07-31 | Int Rectifier Corp | Method of making a rectifier |
| US2971869A (en) * | 1957-08-27 | 1961-02-14 | Motorola Inc | Semiconductor assembly and method of forming same |
| BE571042A (US20080293856A1-20081127-C00150.png) * | 1957-09-11 | |||
| US3037155A (en) * | 1957-10-12 | 1962-05-29 | Bosch Gmbh Robert | Semi-conductor device |
| FR1214352A (fr) * | 1957-12-23 | 1960-04-08 | Hughes Aircraft Co | Dispositif semi-conducteur et procédé pour le fabriquer |
| NL224040A (US20080293856A1-20081127-C00150.png) * | 1958-01-14 | |||
| US2981646A (en) * | 1958-02-11 | 1961-04-25 | Sprague Electric Co | Process of forming barrier layers |
| US3054174A (en) * | 1958-05-13 | 1962-09-18 | Rca Corp | Method for making semiconductor devices |
| US2937963A (en) * | 1958-07-14 | 1960-05-24 | Int Rectifier Corp | Temperature compensating zener diode construction |
| US3124493A (en) * | 1959-01-26 | 1964-03-10 | Method for making the same | |
| US3134159A (en) * | 1959-03-26 | 1964-05-26 | Sprague Electric Co | Method for producing an out-diffused graded-base transistor |
| LU38605A1 (US20080293856A1-20081127-C00150.png) * | 1959-05-06 | |||
| US3015048A (en) * | 1959-05-22 | 1961-12-26 | Fairchild Camera Instr Co | Negative resistance transistor |
| NL250955A (US20080293856A1-20081127-C00150.png) * | 1959-08-05 | |||
| FR1148316A (fr) * | 1959-10-20 | 1957-12-06 | Thomson Houston Comp Francaise | Procédé et appareil pour la réalisation de circuits imprimés |
| US3150013A (en) * | 1960-02-17 | 1964-09-22 | Gen Motors Corp | Means and method for fabricating semiconductor devices |
| NL270684A (US20080293856A1-20081127-C00150.png) * | 1960-11-01 | |||
| US3107422A (en) * | 1961-05-16 | 1963-10-22 | Bendix Corp | Rhodium diffusion process for bonding and sealing of metallic parts |
| NL287926A (US20080293856A1-20081127-C00150.png) * | 1962-01-19 | 1900-01-01 | ||
| GB1064290A (en) * | 1963-01-14 | 1967-04-05 | Motorola Inc | Method of making semiconductor devices |
| US3235419A (en) * | 1963-01-15 | 1966-02-15 | Philips Corp | Method of manufacturing semiconductor devices |
| US3340601A (en) * | 1963-07-17 | 1967-09-12 | United Aircraft Corp | Alloy diffused transistor |
| US3504239A (en) * | 1964-01-31 | 1970-03-31 | Rca Corp | Transistor with distributed resistor between emitter lead and emitter region |
| US3346428A (en) * | 1964-02-27 | 1967-10-10 | Matsushita Electronics Corp | Method of making semiconductor devices by double diffusion |
| US3382054A (en) * | 1965-01-25 | 1968-05-07 | Texas Instruments Inc | Low melting point composite materials useful for brazing, soldering or the like |
| DE1273070B (de) * | 1966-04-02 | 1968-07-18 | Bosch Gmbh Robert | Verfahren zur Herstellung einer Halbleiteranordnung |
| US3619736A (en) * | 1970-06-22 | 1971-11-09 | Mitsumi Electric Co Ltd | Alloy junction transistor and a method of making the same |
| GB1525653A (en) * | 1975-05-12 | 1978-09-20 | Degussa | Process for the production of cyanogen chloride |
| US4907734A (en) * | 1988-10-28 | 1990-03-13 | International Business Machines Corporation | Method of bonding gold or gold alloy wire to lead tin solder |
| DE19700644A1 (de) * | 1997-01-10 | 1998-07-16 | Linde Ag | Entfernung von Acetylen bei der Luftzerlegung |
Family Cites Families (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2631356A (en) * | 1953-03-17 | Method of making p-n junctions | ||
| GB428855A (en) * | 1934-09-13 | 1935-05-21 | Henry Winder Brownsdon | Improvements in or relating to protective coatings for preventing the oxidation of heated metal |
| US2300400A (en) * | 1940-06-26 | 1942-11-03 | Metallizing Engineering Compan | Heat corrosion resistant metallic material |
| BE466804A (US20080293856A1-20081127-C00150.png) * | 1941-12-19 | |||
| US2438893A (en) * | 1943-12-29 | 1948-04-06 | Bell Telephone Labor Inc | Translating device |
| US2530110A (en) * | 1944-06-02 | 1950-11-14 | Sperry Corp | Nonlinear circuit device utilizing germanium |
| US2449484A (en) * | 1945-11-10 | 1948-09-14 | Brush Dev Co | Method of controlling the resistivity of p-type crystals |
| US2589658A (en) * | 1948-06-17 | 1952-03-18 | Bell Telephone Labor Inc | Semiconductor amplifier and electrode structures therefor |
| NL84061C (US20080293856A1-20081127-C00150.png) * | 1948-06-26 | |||
| US2691750A (en) * | 1948-08-14 | 1954-10-12 | Bell Telephone Labor Inc | Semiconductor amplifier |
| BE490848A (US20080293856A1-20081127-C00150.png) * | 1948-12-29 | |||
| US2629672A (en) * | 1949-07-07 | 1953-02-24 | Bell Telephone Labor Inc | Method of making semiconductive translating devices |
| BE500302A (US20080293856A1-20081127-C00150.png) * | 1949-11-30 | |||
| US2561411A (en) * | 1950-03-08 | 1951-07-24 | Bell Telephone Labor Inc | Semiconductor signal translating device |
| US2656496A (en) * | 1951-07-31 | 1953-10-20 | Bell Telephone Labor Inc | Semiconductor translating device |
| NL162993B (nl) * | 1950-09-14 | Bosch Gmbh Robert | Brandstofinspuitinrichting voor mengselcomprimerende verbrandigsmotoren met afzonderlijke ontsteking. | |
| BE523775A (US20080293856A1-20081127-C00150.png) * | 1950-09-29 | |||
| GB728244A (en) * | 1951-10-19 | 1955-04-13 | Gen Electric | Improvements in and relating to germanium photocells |
-
0
- BE BE520380D patent/BE520380A/xx unknown
- NL NLAANVRAGE7405951,A patent/NL178757B/xx unknown
-
1952
- 1952-06-02 US US291355A patent/US2781481A/en not_active Expired - Lifetime
- 1952-06-20 US US294741A patent/US2894862A/en not_active Expired - Lifetime
-
1953
- 1953-04-21 FR FR1078708D patent/FR1078708A/fr not_active Expired
- 1953-05-27 GB GB14822/53A patent/GB730123A/en not_active Expired
- 1953-06-01 CH CH318621D patent/CH318621A/de unknown
-
1963
- 1963-01-04 GB GB524/63A patent/GB1001294A/en not_active Expired
-
1968
- 1968-03-20 DE DE19681767004 patent/DE1767004A1/de active Pending
-
1969
- 1969-02-14 CH CH228969A patent/CH515186A/de not_active IP Right Cessation
- 1969-02-18 GB GB8631/69A patent/GB1211497A/en not_active Expired
- 1969-03-11 NL NL6903756A patent/NL6903756A/xx unknown
- 1969-03-19 BE BE730123D patent/BE730123A/xx unknown
- 1969-03-20 FR FR6908170A patent/FR2004346A1/fr not_active Withdrawn
Also Published As
| Publication number | Publication date |
|---|---|
| BE520380A (US20080293856A1-20081127-C00150.png) | |
| NL178757B (nl) | |
| GB1001294A (en) | 1965-08-11 |
| US2781481A (en) | 1957-02-12 |
| CH515186A (de) | 1971-11-15 |
| GB730123A (en) | 1955-05-18 |
| CH318621A (de) | 1957-01-15 |
| FR2004346A1 (US20080293856A1-20081127-C00150.png) | 1969-11-21 |
| BE730123A (US20080293856A1-20081127-C00150.png) | 1969-09-19 |
| FR1078708A (fr) | 1954-11-23 |
| GB1211497A (en) | 1970-11-04 |
| US2894862A (en) | 1959-07-14 |
| NL6903756A (US20080293856A1-20081127-C00150.png) | 1969-09-23 |
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