DE2534510A1 - Verfahren fuer die herstellung von linearen alpha-olefinoligomeren, die anschliessende hydrierung davon und die so erhaltenen gesaettigten produkte - Google Patents
Verfahren fuer die herstellung von linearen alpha-olefinoligomeren, die anschliessende hydrierung davon und die so erhaltenen gesaettigten produkteInfo
- Publication number
- DE2534510A1 DE2534510A1 DE19752534510 DE2534510A DE2534510A1 DE 2534510 A1 DE2534510 A1 DE 2534510A1 DE 19752534510 DE19752534510 DE 19752534510 DE 2534510 A DE2534510 A DE 2534510A DE 2534510 A1 DE2534510 A1 DE 2534510A1
- Authority
- DE
- Germany
- Prior art keywords
- reaction
- carried out
- general formula
- temperatures
- products
- 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 25
- 238000005984 hydrogenation reaction Methods 0.000 title claims description 6
- 229920006395 saturated elastomer Polymers 0.000 title claims description 6
- 238000004519 manufacturing process Methods 0.000 title description 5
- 238000006243 chemical reaction Methods 0.000 claims description 26
- WKBOTKDWSSQWDR-UHFFFAOYSA-N Bromine atom Chemical compound [Br] WKBOTKDWSSQWDR-UHFFFAOYSA-N 0.000 claims description 15
- GDTBXPJZTBHREO-UHFFFAOYSA-N bromine Substances BrBr GDTBXPJZTBHREO-UHFFFAOYSA-N 0.000 claims description 15
- 229910052794 bromium Inorganic materials 0.000 claims description 15
- 239000000460 chlorine Substances 0.000 claims description 12
- 239000003054 catalyst Substances 0.000 claims description 11
- 150000001875 compounds Chemical class 0.000 claims description 10
- 239000002904 solvent Substances 0.000 claims description 8
- 125000004432 carbon atom Chemical group C* 0.000 claims description 6
- 239000004711 α-olefin Substances 0.000 claims description 6
- -1 organometallic aluminum compound Chemical class 0.000 claims description 5
- 229910020366 ClO 4 Inorganic materials 0.000 claims description 4
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 claims description 4
- 125000000217 alkyl group Chemical group 0.000 claims description 4
- 125000003118 aryl group Chemical group 0.000 claims description 4
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 4
- 125000000753 cycloalkyl group Chemical group 0.000 claims description 4
- 125000005843 halogen group Chemical group 0.000 claims description 4
- 229910052760 oxygen Inorganic materials 0.000 claims description 4
- 239000001301 oxygen Substances 0.000 claims description 4
- 229910052717 sulfur Inorganic materials 0.000 claims description 4
- 239000011593 sulfur Substances 0.000 claims description 4
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 3
- 125000003545 alkoxy group Chemical group 0.000 claims description 3
- 229910052782 aluminium Inorganic materials 0.000 claims description 3
- 150000004820 halides Chemical class 0.000 claims description 3
- 229930195733 hydrocarbon Natural products 0.000 claims description 3
- 150000002430 hydrocarbons Chemical class 0.000 claims description 3
- 238000006116 polymerization reaction Methods 0.000 claims description 3
- ZCYVEMRRCGMTRW-UHFFFAOYSA-N 7553-56-2 Chemical compound [I] ZCYVEMRRCGMTRW-UHFFFAOYSA-N 0.000 claims description 2
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 claims description 2
- PXGOKWXKJXAPGV-UHFFFAOYSA-N Fluorine Chemical compound FF PXGOKWXKJXAPGV-UHFFFAOYSA-N 0.000 claims description 2
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims description 2
- 239000003463 adsorbent Substances 0.000 claims description 2
- 125000002877 alkyl aryl group Chemical group 0.000 claims description 2
- 150000001408 amides Chemical group 0.000 claims description 2
- 150000001450 anions Chemical class 0.000 claims description 2
- 229910052787 antimony Inorganic materials 0.000 claims description 2
- 229910052785 arsenic Inorganic materials 0.000 claims description 2
- 125000003710 aryl alkyl group Chemical group 0.000 claims description 2
- 229910052797 bismuth Inorganic materials 0.000 claims description 2
- 229910052796 boron Inorganic materials 0.000 claims description 2
- 229910052801 chlorine Inorganic materials 0.000 claims description 2
- 125000004185 ester group Chemical group 0.000 claims description 2
- 150000002148 esters Chemical group 0.000 claims description 2
- 229910052731 fluorine Inorganic materials 0.000 claims description 2
- 239000011737 fluorine Substances 0.000 claims description 2
- 229910052736 halogen Inorganic materials 0.000 claims description 2
- 150000002367 halogens Chemical class 0.000 claims description 2
- 229910052739 hydrogen Inorganic materials 0.000 claims description 2
- 239000001257 hydrogen Substances 0.000 claims description 2
- 125000004435 hydrogen atom Chemical group [H]* 0.000 claims description 2
- 239000003999 initiator Substances 0.000 claims description 2
- 239000011630 iodine Substances 0.000 claims description 2
- 229910052740 iodine Inorganic materials 0.000 claims description 2
- 229910052749 magnesium Inorganic materials 0.000 claims description 2
- 229910052751 metal Inorganic materials 0.000 claims description 2
- 239000002184 metal Substances 0.000 claims description 2
- 229910001507 metal halide Inorganic materials 0.000 claims description 2
- 150000005309 metal halides Chemical class 0.000 claims description 2
- 238000002360 preparation method Methods 0.000 claims description 2
- 229910052710 silicon Inorganic materials 0.000 claims description 2
- 229910052718 tin Inorganic materials 0.000 claims description 2
- 229910052727 yttrium Inorganic materials 0.000 claims description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims 1
- 229910052790 beryllium Inorganic materials 0.000 claims 1
- 229910052799 carbon Inorganic materials 0.000 claims 1
- 229910052745 lead Inorganic materials 0.000 claims 1
- 239000000377 silicon dioxide Substances 0.000 claims 1
- 125000005415 substituted alkoxy group Chemical group 0.000 claims 1
- 239000000725 suspension Substances 0.000 claims 1
- OFBQJSOFQDEBGM-UHFFFAOYSA-N Pentane Chemical compound CCCCC OFBQJSOFQDEBGM-UHFFFAOYSA-N 0.000 description 26
- 239000000047 product Substances 0.000 description 23
- VXNZUUAINFGPBY-UHFFFAOYSA-N 1-Butene Chemical compound CCC=C VXNZUUAINFGPBY-UHFFFAOYSA-N 0.000 description 10
- 239000000178 monomer Substances 0.000 description 7
- 229920000642 polymer Polymers 0.000 description 7
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 5
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 3
- 239000007868 Raney catalyst Substances 0.000 description 3
- 229910000564 Raney nickel Inorganic materials 0.000 description 3
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 239000003921 oil Substances 0.000 description 2
- 238000006384 oligomerization reaction Methods 0.000 description 2
- 239000010690 paraffinic oil Substances 0.000 description 2
- YWAKXRMUMFPDSH-UHFFFAOYSA-N pentene Chemical compound CCCC=C YWAKXRMUMFPDSH-UHFFFAOYSA-N 0.000 description 2
- 239000011541 reaction mixture Substances 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 239000007858 starting material Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 239000004215 Carbon black (E152) Substances 0.000 description 1
- 239000004606 Fillers/Extenders Substances 0.000 description 1
- 238000005727 Friedel-Crafts reaction Methods 0.000 description 1
- KDLHZDBZIXYQEI-UHFFFAOYSA-N Palladium Chemical compound [Pd] KDLHZDBZIXYQEI-UHFFFAOYSA-N 0.000 description 1
- 229910003902 SiCl 4 Inorganic materials 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 239000003096 antiparasitic agent Substances 0.000 description 1
- 229940125687 antiparasitic agent Drugs 0.000 description 1
- 230000003197 catalytic effect Effects 0.000 description 1
- 125000002091 cationic group Chemical group 0.000 description 1
- 239000007810 chemical reaction solvent Substances 0.000 description 1
- 239000012043 crude product Substances 0.000 description 1
- 230000006837 decompression Effects 0.000 description 1
- 239000003085 diluting agent Substances 0.000 description 1
- 239000012153 distilled water Substances 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 229920001971 elastomer Polymers 0.000 description 1
- 125000000524 functional group Chemical group 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 125000000959 isobutyl group Chemical group [H]C([H])([H])C([H])(C([H])([H])[H])C([H])([H])* 0.000 description 1
- 125000001449 isopropyl group Chemical group [H]C([H])([H])C([H])(*)C([H])([H])[H] 0.000 description 1
- 239000010687 lubricating oil Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000007935 neutral effect Effects 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 239000004014 plasticizer Substances 0.000 description 1
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 1
- QQONPFPTGQHPMA-UHFFFAOYSA-N propylene Natural products CC=C QQONPFPTGQHPMA-UHFFFAOYSA-N 0.000 description 1
- 125000004805 propylene group Chemical group [H]C([H])([H])C([H])([*:1])C([H])([H])[*:2] 0.000 description 1
- 239000012429 reaction media Substances 0.000 description 1
- 238000007670 refining Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F110/00—Homopolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond
-
- 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
- C07C2/26—Catalytic processes with hydrides or organic compounds
- C07C2/30—Catalytic processes with hydrides or organic compounds containing metal-to-carbon bond; Metal hydrides
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F8/00—Chemical modification by after-treatment
- C08F8/04—Reduction, e.g. hydrogenation
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C2531/00—Catalysts comprising hydrides, coordination complexes or organic compounds
- C07C2531/02—Catalysts comprising hydrides, coordination complexes or organic compounds containing organic compounds or metal hydrides
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C2531/00—Catalysts comprising hydrides, coordination complexes or organic compounds
- C07C2531/02—Catalysts comprising hydrides, coordination complexes or organic compounds containing organic compounds or metal hydrides
- C07C2531/12—Catalysts comprising hydrides, coordination complexes or organic compounds containing organic compounds or metal hydrides containing organo-metallic compounds or metal hydrides
- C07C2531/14—Catalysts comprising hydrides, coordination complexes or organic compounds containing organic compounds or metal hydrides containing organo-metallic compounds or metal hydrides of aluminium or boron
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S585/00—Chemistry of hydrocarbon compounds
- Y10S585/949—Miscellaneous considerations
- Y10S585/952—Reaction stopping or retarding
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Health & Medical Sciences (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- General Chemical & Material Sciences (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
- Polymerization Catalysts (AREA)
- Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| IT25939/74A IT1017874B (it) | 1974-08-02 | 1974-08-02 | Processo per la produzione di oli gomeri da alfa olefine lineari successiva idrogenazione degli stessi e prodotti saturi cosi ot tenuti |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE2534510A1 true DE2534510A1 (de) | 1976-02-12 |
Family
ID=11218197
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19752534510 Ceased DE2534510A1 (de) | 1974-08-02 | 1975-08-01 | Verfahren fuer die herstellung von linearen alpha-olefinoligomeren, die anschliessende hydrierung davon und die so erhaltenen gesaettigten produkte |
Country Status (11)
| Country | Link |
|---|---|
| US (1) | US4017553A (en, 2012) |
| JP (1) | JPS6018647B2 (en, 2012) |
| BE (1) | BE832057A (en, 2012) |
| CA (1) | CA1046534A (en, 2012) |
| CH (2) | CH606144A5 (en, 2012) |
| DE (1) | DE2534510A1 (en, 2012) |
| FR (1) | FR2280651A1 (en, 2012) |
| GB (2) | GB1520748A (en, 2012) |
| IT (1) | IT1017874B (en, 2012) |
| LU (1) | LU73118A1 (en, 2012) |
| NL (1) | NL7509280A (en, 2012) |
Families Citing this family (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4167534A (en) * | 1975-06-11 | 1979-09-11 | Liquichimica Italiana S.P.A. | Process for the preparation of synthetic lubricating oils |
| JPS53142541A (en) * | 1977-05-19 | 1978-12-12 | Lion Corp | Cosmetic base |
| IT1077342B (it) * | 1977-07-18 | 1985-05-04 | Snam Progetti | Processo per la produzione di oligomeri da alfaolefine lineari,successiva idrogenazione degli stessi e prodotti saturi cosi' ottenuti |
| US4125569A (en) * | 1977-08-25 | 1978-11-14 | Mobil Oil Corporation | Process for increasing hydrogenation rate of polymerized n-alphaolefins |
| US4436948A (en) | 1982-09-07 | 1984-03-13 | Phillips Petroleum Company | Catalyst compositions |
| US4469910A (en) * | 1983-09-08 | 1984-09-04 | Uniroyal, Inc. | Method for the oligomerization of alpha-olefins |
| US4594469A (en) * | 1983-09-08 | 1986-06-10 | Uniroyal Chemical Company, Inc. | Method for the oligomerization of alpha-olefins |
| US4533782A (en) * | 1983-09-08 | 1985-08-06 | Uniroyal, Inc. | Method and catalyst for polymerizing a cationic polymerizable monomer |
| US4551438A (en) * | 1984-04-11 | 1985-11-05 | Chevron Research Company | Oligomerization of liquid olefin over a nickel-containing silicaceous crystalline molecular sieve and hydrocarbyl aluminum halide |
| US4724273A (en) * | 1985-02-13 | 1988-02-09 | Studiengesellschaft Kohle Mbh | Process for preparing alpha-olefin polymers and oligomers |
| BR9400079A (pt) * | 1994-01-12 | 1995-09-26 | Petroleo Brasileiro Sa | Processo para a produção de óleos lubrificantes sintéticos e óleos lubrificantes sintéticos |
| DE69617900T2 (de) * | 1996-03-04 | 2002-04-25 | Exxonmobil Oil Corp., Fairfax | Polyalphaolefine für Nahrungsmitteln und pharmazeutische Verwendungen |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BE632876A (en, 2012) * | ||||
| US2965691A (en) * | 1959-04-06 | 1960-12-20 | Sun Oil Co | Preparation of viscous polymers |
| GB863405A (en) * | 1958-09-09 | 1961-03-22 | Exxon Research Engineering Co | Propylene polymer oils |
| US3163681A (en) * | 1958-03-27 | 1964-12-29 | Standard Oil Co | Method for polymerization of olefins |
| BE774794A (fr) * | 1970-11-03 | 1972-02-14 | Snam Progetti | Systeme catalytique utilisable pour la polymerisation de composes insatures, procede utilisant ce systeme catalytique et produits obtenus par ce procede |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3475347A (en) * | 1966-11-16 | 1969-10-28 | Exxon Research Engineering Co | Catalysts for the polymerization of olefins to yield predominantly dimers and trimers |
| JPS5218752B2 (en, 2012) * | 1972-08-16 | 1977-05-24 |
-
1974
- 1974-08-02 IT IT25939/74A patent/IT1017874B/it active
-
1975
- 1975-07-17 GB GB30142/75A patent/GB1520748A/en not_active Expired
- 1975-07-17 CA CA231,721A patent/CA1046534A/en not_active Expired
- 1975-07-17 GB GB53864/77A patent/GB1522129A/en not_active Expired
- 1975-07-29 FR FR7523702A patent/FR2280651A1/fr active Granted
- 1975-07-31 LU LU73118A patent/LU73118A1/xx unknown
- 1975-07-31 CH CH1007775A patent/CH606144A5/xx not_active IP Right Cessation
- 1975-07-31 CH CH1008075A patent/CH606145A5/xx not_active IP Right Cessation
- 1975-08-01 US US05/601,186 patent/US4017553A/en not_active Expired - Lifetime
- 1975-08-01 JP JP50093244A patent/JPS6018647B2/ja not_active Expired
- 1975-08-01 DE DE19752534510 patent/DE2534510A1/de not_active Ceased
- 1975-08-01 BE BE158884A patent/BE832057A/xx not_active IP Right Cessation
- 1975-08-04 NL NL7509280A patent/NL7509280A/xx not_active Application Discontinuation
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BE632876A (en, 2012) * | ||||
| US3163681A (en) * | 1958-03-27 | 1964-12-29 | Standard Oil Co | Method for polymerization of olefins |
| GB863405A (en) * | 1958-09-09 | 1961-03-22 | Exxon Research Engineering Co | Propylene polymer oils |
| US2965691A (en) * | 1959-04-06 | 1960-12-20 | Sun Oil Co | Preparation of viscous polymers |
| BE774794A (fr) * | 1970-11-03 | 1972-02-14 | Snam Progetti | Systeme catalytique utilisable pour la polymerisation de composes insatures, procede utilisant ce systeme catalytique et produits obtenus par ce procede |
| DE2154635A1 (de) * | 1970-11-03 | 1972-05-18 | Snam Progetti S.P.A., Mailand (Italien) | Katalysatorsystem für die Polymerisation von ungesättigten Verbindungen, Verfahren unter Anwendung des Katalysatorsystems und Produkte, welche nach dem Verfahren erhalten werden |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6018647B2 (ja) | 1985-05-11 |
| LU73118A1 (en, 2012) | 1976-03-02 |
| IT1017874B (it) | 1977-08-10 |
| CH606145A5 (en, 2012) | 1978-10-31 |
| CH606144A5 (en, 2012) | 1978-10-31 |
| FR2280651A1 (fr) | 1976-02-27 |
| NL7509280A (nl) | 1976-02-04 |
| JPS5137975A (en) | 1976-03-30 |
| GB1520748A (en) | 1978-08-09 |
| CA1046534A (en) | 1979-01-16 |
| GB1522129A (en) | 1978-08-23 |
| US4017553A (en) | 1977-04-12 |
| BE832057A (fr) | 1976-02-02 |
| FR2280651B1 (en, 2012) | 1979-01-19 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 8128 | New person/name/address of the agent |
Representative=s name: ZUMSTEIN SEN., F., DR. ASSMANN, E., DIPL.-CHEM. DR |
|
| 8131 | Rejection |