DE1443480A1 - Verfahren zur Herstellung von als Ausgangsmaterial fuer Waschrohstoffe geeigneten Alkylaten - Google Patents
Verfahren zur Herstellung von als Ausgangsmaterial fuer Waschrohstoffe geeigneten AlkylatenInfo
- Publication number
- DE1443480A1 DE1443480A1 DE19631443480 DE1443480A DE1443480A1 DE 1443480 A1 DE1443480 A1 DE 1443480A1 DE 19631443480 DE19631443480 DE 19631443480 DE 1443480 A DE1443480 A DE 1443480A DE 1443480 A1 DE1443480 A1 DE 1443480A1
- Authority
- DE
- Germany
- Prior art keywords
- product
- fraction
- production
- raw materials
- separated
- 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
- 238000000034 method Methods 0.000 title claims description 10
- 239000002994 raw material Substances 0.000 title claims description 6
- 238000004519 manufacturing process Methods 0.000 title claims description 4
- 239000007858 starting material Substances 0.000 title description 8
- 238000005406 washing Methods 0.000 title description 4
- 239000003054 catalyst Substances 0.000 claims description 13
- 229930195733 hydrocarbon Natural products 0.000 claims description 5
- 150000002430 hydrocarbons Chemical class 0.000 claims description 5
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims description 4
- 239000000539 dimer Substances 0.000 claims description 4
- 150000005673 monoalkenes Chemical class 0.000 claims description 4
- 230000029936 alkylation Effects 0.000 claims description 3
- 238000005804 alkylation reaction Methods 0.000 claims description 3
- 125000004432 carbon atom Chemical group C* 0.000 claims description 3
- QQONPFPTGQHPMA-UHFFFAOYSA-N propylene Natural products CC=C QQONPFPTGQHPMA-UHFFFAOYSA-N 0.000 claims description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 2
- 229910052799 carbon Inorganic materials 0.000 claims description 2
- 239000010941 cobalt Substances 0.000 claims description 2
- 229910017052 cobalt Inorganic materials 0.000 claims description 2
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 claims description 2
- 239000007788 liquid Substances 0.000 claims description 2
- 229910052759 nickel Inorganic materials 0.000 claims description 2
- 238000004227 thermal cracking Methods 0.000 claims description 2
- 230000018044 dehydration Effects 0.000 claims 2
- 238000006297 dehydration reaction Methods 0.000 claims 2
- PXFBZOLANLWPMH-UHFFFAOYSA-N 16-Epiaffinine Natural products C1C(C2=CC=CC=C2N2)=C2C(=O)CC2C(=CC)CN(C)C1C2CO PXFBZOLANLWPMH-UHFFFAOYSA-N 0.000 claims 1
- 101150019464 ARAF gene Proteins 0.000 claims 1
- 230000035943 smell Effects 0.000 claims 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 8
- 150000001336 alkenes Chemical class 0.000 description 8
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 6
- 238000006471 dimerization reaction Methods 0.000 description 6
- JRZJOMJEPLMPRA-UHFFFAOYSA-N olefin Natural products CCCCCCCC=C JRZJOMJEPLMPRA-UHFFFAOYSA-N 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 3
- 239000000178 monomer Substances 0.000 description 3
- 239000000377 silicon dioxide Substances 0.000 description 3
- 229910000314 transition metal oxide Inorganic materials 0.000 description 3
- 150000004996 alkyl benzenes Chemical class 0.000 description 2
- 125000000217 alkyl group Chemical group 0.000 description 2
- VSCWAEJMTAWNJL-UHFFFAOYSA-K aluminium trichloride Chemical compound Cl[Al](Cl)Cl VSCWAEJMTAWNJL-UHFFFAOYSA-K 0.000 description 2
- 230000015556 catabolic process Effects 0.000 description 2
- 238000006731 degradation reaction Methods 0.000 description 2
- 238000006356 dehydrogenation reaction Methods 0.000 description 2
- 239000003599 detergent Substances 0.000 description 2
- -1 ethylene, propylene Chemical group 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- AMWRITDGCCNYAT-UHFFFAOYSA-L hydroxy(oxo)manganese;manganese Chemical compound [Mn].O[Mn]=O.O[Mn]=O AMWRITDGCCNYAT-UHFFFAOYSA-L 0.000 description 2
- 238000011534 incubation Methods 0.000 description 2
- 239000007791 liquid phase Substances 0.000 description 2
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 description 2
- 229920000642 polymer Polymers 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 125000004805 propylene group Chemical group [H]C([H])([H])C([H])([*:1])C([H])([H])[*:2] 0.000 description 2
- 235000012239 silicon dioxide Nutrition 0.000 description 2
- 239000002351 wastewater Substances 0.000 description 2
- VXNZUUAINFGPBY-UHFFFAOYSA-N 1-Butene Chemical compound CCC=C VXNZUUAINFGPBY-UHFFFAOYSA-N 0.000 description 1
- 241001133287 Artocarpus hirsutus Species 0.000 description 1
- XUKUURHRXDUEBC-KAYWLYCHSA-N Atorvastatin Chemical compound C=1C=CC=CC=1C1=C(C=2C=CC(F)=CC=2)N(CC[C@@H](O)C[C@@H](O)CC(O)=O)C(C(C)C)=C1C(=O)NC1=CC=CC=C1 XUKUURHRXDUEBC-KAYWLYCHSA-N 0.000 description 1
- 241000894006 Bacteria Species 0.000 description 1
- 239000004215 Carbon black (E152) Substances 0.000 description 1
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 1
- KRHYYFGTRYWZRS-UHFFFAOYSA-N Fluorane Chemical compound F KRHYYFGTRYWZRS-UHFFFAOYSA-N 0.000 description 1
- WSFSSNUMVMOOMR-UHFFFAOYSA-N Formaldehyde Chemical compound O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 description 1
- 241001481828 Glyptocephalus cynoglossus Species 0.000 description 1
- 235000003332 Ilex aquifolium Nutrition 0.000 description 1
- 241000209027 Ilex aquifolium Species 0.000 description 1
- PWHULOQIROXLJO-UHFFFAOYSA-N Manganese Chemical compound [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 description 1
- 241000711981 Sais Species 0.000 description 1
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 1
- 229910052770 Uranium Inorganic materials 0.000 description 1
- 101100498843 Vibrio alginolyticus deaA gene Proteins 0.000 description 1
- 150000004945 aromatic hydrocarbons Chemical class 0.000 description 1
- JXLHNMVSKXFWAO-UHFFFAOYSA-N azane;7-fluoro-2,1,3-benzoxadiazole-4-sulfonic acid Chemical compound N.OS(=O)(=O)C1=CC=C(F)C2=NON=C12 JXLHNMVSKXFWAO-UHFFFAOYSA-N 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- IAQRGUVFOMOMEM-UHFFFAOYSA-N butene Natural products CC=CC IAQRGUVFOMOMEM-UHFFFAOYSA-N 0.000 description 1
- 239000012876 carrier material Substances 0.000 description 1
- 229910052804 chromium Inorganic materials 0.000 description 1
- 239000011651 chromium Substances 0.000 description 1
- 238000003776 cleavage reaction Methods 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
- 150000001993 dienes Chemical class 0.000 description 1
- 239000008098 formaldehyde solution Substances 0.000 description 1
- 238000005194 fractionation Methods 0.000 description 1
- 229910000040 hydrogen fluoride Inorganic materials 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 238000006317 isomerization reaction Methods 0.000 description 1
- 229910052748 manganese Inorganic materials 0.000 description 1
- 239000011572 manganese Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000012188 paraffin wax Substances 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 230000000379 polymerizing effect Effects 0.000 description 1
- 229920000098 polyolefin Polymers 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 230000007420 reactivation Effects 0.000 description 1
- 230000008707 rearrangement Effects 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 230000007017 scission Effects 0.000 description 1
- 239000000741 silica gel Substances 0.000 description 1
- 229910002027 silica gel Inorganic materials 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 150000003457 sulfones Chemical class 0.000 description 1
- 229910052717 sulfur Inorganic materials 0.000 description 1
- 150000003464 sulfur compounds Chemical class 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C15/00—Cyclic hydrocarbons containing only six-membered aromatic rings as cyclic parts
- C07C15/02—Monocyclic hydrocarbons
- C07C15/107—Monocyclic hydrocarbons having saturated side-chain containing at least six carbon atoms, e.g. detergent alkylates
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C2/00—Preparation of hydrocarbons from hydrocarbons containing a smaller number of carbon atoms
- C07C2/02—Preparation of hydrocarbons from hydrocarbons containing a smaller number of carbon atoms by addition between unsaturated hydrocarbons
- C07C2/04—Preparation of hydrocarbons from hydrocarbons containing a smaller number of carbon atoms by addition between unsaturated hydrocarbons by oligomerisation of well-defined unsaturated hydrocarbons without ring formation
- C07C2/06—Preparation of hydrocarbons from hydrocarbons containing a smaller number of carbon atoms by addition between unsaturated hydrocarbons by oligomerisation of well-defined unsaturated hydrocarbons without ring formation of alkenes, i.e. acyclic hydrocarbons having only one carbon-to-carbon double bond
- C07C2/08—Catalytic processes
- C07C2/10—Catalytic processes with metal oxides
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C2/00—Preparation of hydrocarbons from hydrocarbons containing a smaller number of carbon atoms
- C07C2/54—Preparation of hydrocarbons from hydrocarbons containing a smaller number of carbon atoms by addition of unsaturated hydrocarbons to saturated hydrocarbons or to hydrocarbons containing a six-membered aromatic ring with no unsaturation outside the aromatic ring
- C07C2/64—Addition to a carbon atom of a six-membered aromatic ring
- C07C2/66—Catalytic processes
- C07C2/68—Catalytic processes with halides
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C2/00—Preparation of hydrocarbons from hydrocarbons containing a smaller number of carbon atoms
- C07C2/54—Preparation of hydrocarbons from hydrocarbons containing a smaller number of carbon atoms by addition of unsaturated hydrocarbons to saturated hydrocarbons or to hydrocarbons containing a six-membered aromatic ring with no unsaturation outside the aromatic ring
- C07C2/64—Addition to a carbon atom of a six-membered aromatic ring
- C07C2/66—Catalytic processes
- C07C2/70—Catalytic processes with acids
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C2521/00—Catalysts comprising the elements, oxides or hydroxides of magnesium, boron, aluminium, carbon, silicon, titanium, zirconium or hafnium
- C07C2521/06—Silicon, titanium, zirconium or hafnium; Oxides or hydroxides thereof
- C07C2521/08—Silica
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C2521/00—Catalysts comprising the elements, oxides or hydroxides of magnesium, boron, aluminium, carbon, silicon, titanium, zirconium or hafnium
- C07C2521/12—Silica and alumina
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C2523/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group C07C2521/00
- C07C2523/16—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group C07C2521/00 of arsenic, antimony, bismuth, vanadium, niobium, tantalum, polonium, chromium, molybdenum, tungsten, manganese, technetium or rhenium
- C07C2523/24—Chromium, molybdenum or tungsten
- C07C2523/26—Chromium
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C2523/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group C07C2521/00
- C07C2523/16—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group C07C2521/00 of arsenic, antimony, bismuth, vanadium, niobium, tantalum, polonium, chromium, molybdenum, tungsten, manganese, technetium or rhenium
- C07C2523/32—Manganese, technetium or rhenium
- C07C2523/34—Manganese
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C2523/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group C07C2521/00
- C07C2523/70—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group C07C2521/00 of the iron group metals or copper
- C07C2523/74—Iron group metals
- C07C2523/75—Cobalt
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C2523/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group C07C2521/00
- C07C2523/70—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group C07C2521/00 of the iron group metals or copper
- C07C2523/74—Iron group metals
- C07C2523/755—Nickel
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C2527/00—Catalysts comprising the elements or compounds of halogens, sulfur, selenium, tellurium, phosphorus or nitrogen; Catalysts comprising carbon compounds
- C07C2527/06—Halogens; Compounds thereof
- C07C2527/08—Halides
- C07C2527/12—Fluorides
- C07C2527/1206—Hydrogen fluoride
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C2527/00—Catalysts comprising the elements or compounds of halogens, sulfur, selenium, tellurium, phosphorus or nitrogen; Catalysts comprising carbon compounds
- C07C2527/06—Halogens; Compounds thereof
- C07C2527/125—Compounds comprising a halogen and scandium, yttrium, aluminium, gallium, indium or thallium
- C07C2527/126—Aluminium chloride
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB21257/62A GB978602A (en) | 1962-06-01 | 1962-06-01 | Production of detergent alkylate |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE1443480A1 true DE1443480A1 (de) | 1968-10-24 |
Family
ID=10159863
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19631443480 Pending DE1443480A1 (de) | 1962-06-01 | 1963-05-24 | Verfahren zur Herstellung von als Ausgangsmaterial fuer Waschrohstoffe geeigneten Alkylaten |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US3442965A (en, 2012) |
| BE (1) | BE632800A (en, 2012) |
| DE (1) | DE1443480A1 (en, 2012) |
| GB (1) | GB978602A (en, 2012) |
| NL (1) | NL293486A (en, 2012) |
Families Citing this family (22)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4990718A (en) * | 1989-04-03 | 1991-02-05 | Mobil Oil Corporation | Aromatic alkylation with alpha-olefin dimer |
| DE69710180T2 (de) * | 1996-03-12 | 2002-08-22 | Infineum Usa L.P., Linden | Verfahren zur stabilisierung von alkylbenzolsulfonaten |
| CN1161448C (zh) | 1997-07-21 | 2004-08-11 | 普罗格特-甘布尔公司 | 含有通过亚乙烯烯烃制备的改进烷基芳基磺酸盐表面活性剂的清洗产品及其制备方法 |
| BR9811523A (pt) | 1997-07-21 | 2001-12-18 | Procter & Gamble | Composições detergentes contendo misturas detensoativos com a cristalinildade rompida |
| DE69814641T2 (de) | 1997-07-21 | 2004-03-25 | The Procter & Gamble Company, Cincinnati | Verbessertes alkylarylsulfonattensid |
| PH11998001775B1 (en) * | 1997-07-21 | 2004-02-11 | Procter & Gamble | Improved alkyl aryl sulfonate surfactants |
| WO1999005082A1 (en) | 1997-07-21 | 1999-02-04 | The Procter & Gamble Company | Improved processes for making alkylbenzenesulfonate surfactants and products thereof |
| CN100475785C (zh) | 1997-08-08 | 2009-04-08 | 宝洁公司 | 经吸附分离用于制备表面活性剂的改进方法及其产物 |
| ATE318882T1 (de) | 1998-10-20 | 2006-03-15 | Procter & Gamble | Waschmittel enthaltend modifizierte alkylbenzolsulfonate |
| BR9914714A (pt) | 1998-10-20 | 2001-08-07 | Procter & Gamble | Detergentes de lavanderia compreendendo alquilbenzeno sulfonatos modificados |
| BR9916934A (pt) | 1999-01-20 | 2001-11-20 | Procter & Gamble | Composições para lavagem de pratos contendotensoativos de alquilbenzenossulfonato |
| EP1022326A1 (en) | 1999-01-20 | 2000-07-26 | The Procter & Gamble Company | Hard surface cleaning compositions comprising modified alkylbenzene sulfonates |
| US6774099B1 (en) | 1999-01-20 | 2004-08-10 | The Procter & Gamble Company | Dishwashing detergent compositions containing mixtures or crystallinity-disrupted surfactants |
| EP1022325A3 (en) | 1999-01-20 | 2003-01-02 | The Procter & Gamble Company | Hard surface cleaning compositions comprising modified alkylbenzene sulfonates |
| US7202205B1 (en) | 1999-09-01 | 2007-04-10 | Daniel Stedman Connor | Processes for making surfactants via adsorptive separation and products thereof |
| DE10039995A1 (de) * | 2000-08-11 | 2002-02-21 | Basf Ag | Verfahren zur Herstellung von Alkylarylsulfonaten |
| CN1323991C (zh) * | 2001-10-01 | 2007-07-04 | 巴斯福股份公司 | 制备烷基芳基化合物及其磺酸盐的方法 |
| CN1747915A (zh) * | 2003-02-05 | 2006-03-15 | 国际壳牌研究有限公司 | 使用来自二聚单元的过程物流制备支链烷基芳烃的方法 |
| US20040176655A1 (en) * | 2003-02-05 | 2004-09-09 | Ayoub Paul Marie | Methods of preparing branched alkyl aromatic hydrocarbons |
| MY138746A (en) * | 2003-02-05 | 2009-07-31 | Shell Int Research | Method of preparing branched alkyl aromatic hydrocarbons using combined process streams produced from hydrogenation, dehydrogenation, dimerization and isomerization of olefins |
| WO2005037747A2 (en) * | 2003-10-15 | 2005-04-28 | Shell Internationale Research Maatschappij B.V. | Preparation of branched aliphatic alcohols using combined process streams from a hydrogenation unit, a dehydrogenation unit and an isomerization unit |
| US7335802B2 (en) * | 2003-10-15 | 2008-02-26 | Shell Oil Company | Methods of preparing branched aliphatic alcohols |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2718526A (en) * | 1951-11-23 | 1955-09-20 | Universal Oil Prod Co | Production of alkyl aromatic sulfonic acids and the alkylate therefor |
| US3193596A (en) * | 1957-05-27 | 1965-07-06 | Exxon Research Engineering Co | Conversion of hydrocarbons |
| GB852079A (en) * | 1957-12-24 | 1960-10-26 | British Hydrocarbon Chem Ltd | Production of alkyl benzenes |
| US3109869A (en) * | 1958-04-09 | 1963-11-05 | Sinclair Research Inc | Process for dimerizing olefins |
| BE616998A (en, 2012) * | 1960-09-23 | |||
| US3351654A (en) * | 1961-05-19 | 1967-11-07 | Exxon Research Engineering Co | Process of preparing biodegradable alkylbenzene sulfonates by dimerizing an olefin of 5 to 10 carbon atoms with a silica-alumina catalyst |
-
0
- NL NL293486D patent/NL293486A/xx unknown
- BE BE632800D patent/BE632800A/xx unknown
-
1962
- 1962-06-01 GB GB21257/62A patent/GB978602A/en not_active Expired
-
1963
- 1963-05-24 DE DE19631443480 patent/DE1443480A1/de active Pending
-
1966
- 1966-05-11 US US554271A patent/US3442965A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| GB978602A (en) | 1964-12-23 |
| US3442965A (en) | 1969-05-06 |
| BE632800A (en, 2012) | |
| NL293486A (en, 2012) |
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