DE2519389C3 - Katalysator mit einer Nickelkomponente und einer Wolframkomponente auf einem Siliciumdioxyd-Aluminiumoxyd-Träger und dessen Verwendung - Google Patents
Katalysator mit einer Nickelkomponente und einer Wolframkomponente auf einem Siliciumdioxyd-Aluminiumoxyd-Träger und dessen VerwendungInfo
- Publication number
- DE2519389C3 DE2519389C3 DE2519389A DE2519389A DE2519389C3 DE 2519389 C3 DE2519389 C3 DE 2519389C3 DE 2519389 A DE2519389 A DE 2519389A DE 2519389 A DE2519389 A DE 2519389A DE 2519389 C3 DE2519389 C3 DE 2519389C3
- Authority
- DE
- Germany
- Prior art keywords
- catalyst
- component
- carrier
- silica
- nickel
- 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
- 239000003054 catalyst Substances 0.000 title claims description 80
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 title claims description 44
- 229910052759 nickel Inorganic materials 0.000 title claims description 22
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 title claims description 19
- 229910052721 tungsten Inorganic materials 0.000 title claims description 19
- 239000010937 tungsten Substances 0.000 title claims description 19
- HHUIAYDQMNHELC-UHFFFAOYSA-N [O-2].[O-2].[O-2].[Al+3].[Al+3].O=[Si]=O Chemical compound [O-2].[O-2].[O-2].[Al+3].[Al+3].O=[Si]=O HHUIAYDQMNHELC-UHFFFAOYSA-N 0.000 title claims description 6
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 47
- 150000001875 compounds Chemical class 0.000 claims description 22
- 239000000377 silicon dioxide Substances 0.000 claims description 22
- 229910052751 metal Inorganic materials 0.000 claims description 21
- 239000002184 metal Substances 0.000 claims description 20
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 claims description 17
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims description 16
- 229930195733 hydrocarbon Natural products 0.000 claims description 14
- 150000002430 hydrocarbons Chemical class 0.000 claims description 14
- 239000003921 oil Substances 0.000 claims description 14
- 238000001354 calcination Methods 0.000 claims description 12
- 238000004517 catalytic hydrocracking Methods 0.000 claims description 12
- 239000001257 hydrogen Substances 0.000 claims description 12
- 229910052739 hydrogen Inorganic materials 0.000 claims description 12
- 238000000034 method Methods 0.000 claims description 12
- 235000012239 silicon dioxide Nutrition 0.000 claims description 12
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims description 11
- 238000006243 chemical reaction Methods 0.000 claims description 11
- 238000001035 drying Methods 0.000 claims description 10
- 238000004519 manufacturing process Methods 0.000 claims description 10
- 239000000203 mixture Substances 0.000 claims description 10
- 238000009835 boiling Methods 0.000 claims description 9
- 238000005470 impregnation Methods 0.000 claims description 8
- 239000000463 material Substances 0.000 claims description 7
- 239000004215 Carbon black (E152) Substances 0.000 claims description 6
- 230000001590 oxidative effect Effects 0.000 claims description 6
- 230000000737 periodic effect Effects 0.000 claims description 5
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 4
- 239000007864 aqueous solution Substances 0.000 claims description 4
- 239000012876 carrier material Substances 0.000 claims description 4
- 150000003657 tungsten Chemical class 0.000 claims description 4
- 150000002739 metals Chemical class 0.000 claims description 3
- 150000002815 nickel Chemical class 0.000 claims description 3
- 238000005406 washing Methods 0.000 claims description 3
- 229910052757 nitrogen Inorganic materials 0.000 claims description 2
- 239000003208 petroleum Substances 0.000 claims description 2
- 238000002360 preparation method Methods 0.000 claims description 2
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 claims 2
- KDLHZDBZIXYQEI-UHFFFAOYSA-N Palladium Chemical compound [Pd] KDLHZDBZIXYQEI-UHFFFAOYSA-N 0.000 claims 2
- 230000002378 acidificating effect Effects 0.000 claims 2
- 229910052750 molybdenum Inorganic materials 0.000 claims 2
- 239000011733 molybdenum Substances 0.000 claims 2
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 claims 2
- 230000015572 biosynthetic process Effects 0.000 claims 1
- 239000011280 coal tar Substances 0.000 claims 1
- 239000010779 crude oil Substances 0.000 claims 1
- 230000001066 destructive effect Effects 0.000 claims 1
- 238000006477 desulfuration reaction Methods 0.000 claims 1
- 230000023556 desulfurization Effects 0.000 claims 1
- 230000002349 favourable effect Effects 0.000 claims 1
- 239000000017 hydrogel Substances 0.000 claims 1
- 238000005984 hydrogenation reaction Methods 0.000 claims 1
- 229910052763 palladium Inorganic materials 0.000 claims 1
- 229910052697 platinum Inorganic materials 0.000 claims 1
- 239000007787 solid Substances 0.000 claims 1
- 239000000499 gel Substances 0.000 description 12
- 239000000243 solution Substances 0.000 description 11
- 239000007789 gas Substances 0.000 description 9
- 238000001556 precipitation Methods 0.000 description 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 7
- 230000032683 aging Effects 0.000 description 6
- WNROFYMDJYEPJX-UHFFFAOYSA-K aluminium hydroxide Chemical compound [OH-].[OH-].[OH-].[Al+3] WNROFYMDJYEPJX-UHFFFAOYSA-K 0.000 description 5
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 4
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 238000001879 gelation Methods 0.000 description 4
- 150000003839 salts Chemical class 0.000 description 4
- 229910052717 sulfur Inorganic materials 0.000 description 4
- 239000011593 sulfur Substances 0.000 description 4
- 238000012360 testing method Methods 0.000 description 4
- BNGXYYYYKUGPPF-UHFFFAOYSA-M (3-methylphenyl)methyl-triphenylphosphanium;chloride Chemical compound [Cl-].CC1=CC=CC(C[P+](C=2C=CC=CC=2)(C=2C=CC=CC=2)C=2C=CC=CC=2)=C1 BNGXYYYYKUGPPF-UHFFFAOYSA-M 0.000 description 3
- 229910052782 aluminium Inorganic materials 0.000 description 3
- 230000000052 comparative effect Effects 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 239000000047 product Substances 0.000 description 3
- 239000000741 silica gel Substances 0.000 description 3
- 229910002027 silica gel Inorganic materials 0.000 description 3
- RWSOTUBLDIXVET-UHFFFAOYSA-N Dihydrogen sulfide Chemical compound S RWSOTUBLDIXVET-UHFFFAOYSA-N 0.000 description 2
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 2
- ATUOYWHBWRKTHZ-UHFFFAOYSA-N Propane Chemical compound CCC ATUOYWHBWRKTHZ-UHFFFAOYSA-N 0.000 description 2
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 2
- 230000003197 catalytic effect Effects 0.000 description 2
- 239000007863 gel particle Substances 0.000 description 2
- VKYKSIONXSXAKP-UHFFFAOYSA-N hexamethylenetetramine Chemical compound C1N(C2)CN3CN1CN2C3 VKYKSIONXSXAKP-UHFFFAOYSA-N 0.000 description 2
- 229910000037 hydrogen sulfide Inorganic materials 0.000 description 2
- 239000012263 liquid product Substances 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- -1 silicate ions Chemical class 0.000 description 2
- 229910052710 silicon Inorganic materials 0.000 description 2
- 239000010703 silicon Substances 0.000 description 2
- 239000002002 slurry Substances 0.000 description 2
- 238000005486 sulfidation Methods 0.000 description 2
- PAWQVTBBRAZDMG-UHFFFAOYSA-N 2-(3-bromo-2-fluorophenyl)acetic acid Chemical compound OC(=O)CC1=CC=CC(Br)=C1F PAWQVTBBRAZDMG-UHFFFAOYSA-N 0.000 description 1
- QGZKDVFQNNGYKY-UHFFFAOYSA-O Ammonium Chemical compound [NH4+] QGZKDVFQNNGYKY-UHFFFAOYSA-O 0.000 description 1
- VHUUQVKOLVNVRT-UHFFFAOYSA-N Ammonium hydroxide Chemical compound [NH4+].[OH-] VHUUQVKOLVNVRT-UHFFFAOYSA-N 0.000 description 1
- MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 description 1
- 206010061218 Inflammation Diseases 0.000 description 1
- UCKMPCXJQFINFW-UHFFFAOYSA-N Sulphide Chemical compound [S-2] UCKMPCXJQFINFW-UHFFFAOYSA-N 0.000 description 1
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 description 1
- 239000012670 alkaline solution Substances 0.000 description 1
- 239000000908 ammonium hydroxide Substances 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 239000001273 butane Substances 0.000 description 1
- 239000004202 carbamide Substances 0.000 description 1
- 238000006555 catalytic reaction Methods 0.000 description 1
- 239000000571 coke Substances 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 239000008367 deionised water Substances 0.000 description 1
- 229910021641 deionized water Inorganic materials 0.000 description 1
- 229910001882 dioxygen Inorganic materials 0.000 description 1
- 238000004821 distillation Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000003349 gelling agent Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 150000004820 halides Chemical class 0.000 description 1
- 230000020169 heat generation Effects 0.000 description 1
- 235000010299 hexamethylene tetramine Nutrition 0.000 description 1
- 239000004312 hexamethylene tetramine Substances 0.000 description 1
- 150000002431 hydrogen Chemical class 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 230000004054 inflammatory process Effects 0.000 description 1
- 239000003350 kerosene Substances 0.000 description 1
- 239000007791 liquid phase Substances 0.000 description 1
- 239000010687 lubricating oil Substances 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- IJDNQMDRQITEOD-UHFFFAOYSA-N n-butane Chemical compound CCCC IJDNQMDRQITEOD-UHFFFAOYSA-N 0.000 description 1
- OFBQJSOFQDEBGM-UHFFFAOYSA-N n-pentane Natural products CCCCC OFBQJSOFQDEBGM-UHFFFAOYSA-N 0.000 description 1
- KBJMLQFLOWQJNF-UHFFFAOYSA-N nickel(ii) nitrate Chemical compound [Ni+2].[O-][N+]([O-])=O.[O-][N+]([O-])=O KBJMLQFLOWQJNF-UHFFFAOYSA-N 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 235000019353 potassium silicate Nutrition 0.000 description 1
- 230000001376 precipitating effect Effects 0.000 description 1
- 239000001294 propane Substances 0.000 description 1
- 238000010992 reflux Methods 0.000 description 1
- 230000008929 regeneration Effects 0.000 description 1
- 238000011069 regeneration method Methods 0.000 description 1
- NTHWMYGWWRZVTN-UHFFFAOYSA-N sodium silicate Chemical compound [Na+].[Na+].[O-][Si]([O-])=O NTHWMYGWWRZVTN-UHFFFAOYSA-N 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 150000003464 sulfur compounds Chemical class 0.000 description 1
- 239000012808 vapor phase Substances 0.000 description 1
- 230000003313 weakening effect Effects 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10G—CRACKING HYDROCARBON OILS; PRODUCTION OF LIQUID HYDROCARBON MIXTURES, e.g. BY DESTRUCTIVE HYDROGENATION, OLIGOMERISATION, POLYMERISATION; RECOVERY OF HYDROCARBON OILS FROM OIL-SHALE, OIL-SAND, OR GASES; REFINING MIXTURES MAINLY CONSISTING OF HYDROCARBONS; REFORMING OF NAPHTHA; MINERAL WAXES
- C10G47/00—Cracking of hydrocarbon oils, in the presence of hydrogen or hydrogen- generating compounds, to obtain lower boiling fractions
- C10G47/02—Cracking of hydrocarbon oils, in the presence of hydrogen or hydrogen- generating compounds, to obtain lower boiling fractions characterised by the catalyst used
- C10G47/10—Cracking of hydrocarbon oils, in the presence of hydrogen or hydrogen- generating compounds, to obtain lower boiling fractions characterised by the catalyst used with catalysts deposited on a carrier
- C10G47/12—Inorganic carriers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J21/00—Catalysts comprising the elements, oxides, or hydroxides of magnesium, boron, aluminium, carbon, silicon, titanium, zirconium, or hafnium
- B01J21/12—Silica and alumina
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J23/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
- B01J23/70—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper
- B01J23/76—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper combined with metals, oxides or hydroxides provided for in groups B01J23/02 - B01J23/36
- B01J23/84—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper combined with metals, oxides or hydroxides provided for in groups B01J23/02 - B01J23/36 with arsenic, antimony, bismuth, vanadium, niobium, tantalum, polonium, chromium, molybdenum, tungsten, manganese, technetium or rhenium
- B01J23/85—Chromium, molybdenum or tungsten
- B01J23/888—Tungsten
-
- 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
- C07C2523/70—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
- 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
- C07C2523/76—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group C07C2521/00 of the iron group metals or copper combined with metals, oxides or hydroxides provided for in groups C07C2523/02 - C07C2523/36
- C07C2523/84—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group C07C2521/00 of the iron group metals or copper combined with metals, oxides or hydroxides provided for in groups C07C2523/02 - C07C2523/36 with arsenic, antimony, bismuth, vanadium, niobium, tantalum, polonium, chromium, molybdenum, tungsten, manganese, technetium or rhenium
- C07C2523/85—Chromium, molybdenum or tungsten
- C07C2523/888—Tungsten
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Materials Engineering (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Inorganic Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Production Of Liquid Hydrocarbon Mixture For Refining Petroleum (AREA)
- Catalysts (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US05/466,759 US3931048A (en) | 1974-05-03 | 1974-05-03 | Hydrocarbon conversion catalytic composite |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| DE2519389A1 DE2519389A1 (de) | 1975-11-13 |
| DE2519389B2 DE2519389B2 (de) | 1978-10-19 |
| DE2519389C3 true DE2519389C3 (de) | 1980-04-30 |
Family
ID=23852993
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE2519389A Expired DE2519389C3 (de) | 1974-05-03 | 1975-04-30 | Katalysator mit einer Nickelkomponente und einer Wolframkomponente auf einem Siliciumdioxyd-Aluminiumoxyd-Träger und dessen Verwendung |
Country Status (19)
| Country | Link |
|---|---|
| US (1) | US3931048A (en:Method) |
| JP (1) | JPS50158593A (en:Method) |
| AR (1) | AR225129A1 (en:Method) |
| BR (1) | BR7502689A (en:Method) |
| CA (1) | CA1041471A (en:Method) |
| CH (1) | CH597910A5 (en:Method) |
| DE (1) | DE2519389C3 (en:Method) |
| EG (1) | EG11699A (en:Method) |
| ES (1) | ES437084A1 (en:Method) |
| FR (1) | FR2269372B1 (en:Method) |
| GB (1) | GB1496959A (en:Method) |
| HU (1) | HU175313B (en:Method) |
| IE (1) | IE41038B1 (en:Method) |
| IL (1) | IL47186A (en:Method) |
| IN (1) | IN143128B (en:Method) |
| IT (1) | IT1035608B (en:Method) |
| NO (1) | NO143052C (en:Method) |
| SE (1) | SE390383B (en:Method) |
| ZA (1) | ZA752872B (en:Method) |
Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4040979A (en) * | 1976-02-23 | 1977-08-09 | Uop Inc. | Hydrocarbon conversion catalytic composite |
| US4062809A (en) * | 1976-03-18 | 1977-12-13 | Union Oil Company Of California | Catalyst for production of middle distillate oils |
| US4100058A (en) * | 1976-08-23 | 1978-07-11 | Uop Inc. | Hydroprocessing of hydrocarbons |
| US4422959A (en) * | 1982-05-07 | 1983-12-27 | Uop Inc. | Hydrocracking process and catalyst |
| US4447556A (en) * | 1983-04-04 | 1984-05-08 | Uop Inc. | Hydrocarbon conversion catalyst and use thereof |
| US4497704A (en) * | 1983-04-04 | 1985-02-05 | Uop Inc. | Hydrocarbon conversion process |
| US4464481A (en) * | 1983-08-25 | 1984-08-07 | Uop Inc. | Hydrocracking catalyst |
| US6995112B2 (en) * | 2002-11-08 | 2006-02-07 | Chevron U.S.A. Inc. | Highly homogeneous amorphous silica-alumina catalyst composition |
| US7348293B2 (en) * | 2003-12-05 | 2008-03-25 | Chevron U.S.A. Inc. | Homogeneous modified-alumina Fischer-Tropsch catalyst supports |
| KR20200086983A (ko) * | 2019-01-10 | 2020-07-20 | 코아텍주식회사 | 대용량 과불화화합물 제거를 위한 금속산화물 촉매 및 그 제조 방법 |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3216922A (en) * | 1964-07-15 | 1965-11-09 | Universal Oil Prod Co | Hydrocarbon conversion catalysts and process for use of the same |
| US3433748A (en) * | 1965-09-27 | 1969-03-18 | Grace W R & Co | Process for forming silica-alumina hydrocarbon conversion catalysts |
| US3472791A (en) * | 1966-09-12 | 1969-10-14 | Universal Oil Prod Co | Method of spherical catalyst preparation |
-
1974
- 1974-05-03 US US05/466,759 patent/US3931048A/en not_active Expired - Lifetime
-
1975
- 1975-04-28 IL IL47186A patent/IL47186A/xx unknown
- 1975-04-28 ES ES437084A patent/ES437084A1/es not_active Expired
- 1975-04-29 SE SE7504994A patent/SE390383B/xx not_active IP Right Cessation
- 1975-04-30 DE DE2519389A patent/DE2519389C3/de not_active Expired
- 1975-04-30 EG EG263/75A patent/EG11699A/xx active
- 1975-05-02 JP JP50053790A patent/JPS50158593A/ja active Pending
- 1975-05-02 ZA ZA00752872A patent/ZA752872B/xx unknown
- 1975-05-02 IT IT49424/75A patent/IT1035608B/it active
- 1975-05-02 CH CH562275A patent/CH597910A5/xx not_active IP Right Cessation
- 1975-05-02 GB GB18366/75A patent/GB1496959A/en not_active Expired
- 1975-05-02 HU HU75UI222A patent/HU175313B/hu not_active IP Right Cessation
- 1975-05-02 BR BR3426/75A patent/BR7502689A/pt unknown
- 1975-05-02 NO NO751568A patent/NO143052C/no unknown
- 1975-05-02 IE IE987/75A patent/IE41038B1/xx unknown
- 1975-05-02 CA CA226,101A patent/CA1041471A/en not_active Expired
- 1975-05-05 FR FR7513964A patent/FR2269372B1/fr not_active Expired
- 1975-05-07 IN IN912/CAL/1975A patent/IN143128B/en unknown
-
1979
- 1979-05-02 AR AR258610A patent/AR225129A1/es active
Also Published As
| Publication number | Publication date |
|---|---|
| DE2519389B2 (de) | 1978-10-19 |
| IE41038L (en) | 1975-11-03 |
| NO143052C (no) | 1980-12-10 |
| GB1496959A (en) | 1978-01-05 |
| IN143128B (en:Method) | 1977-10-08 |
| SE390383B (sv) | 1976-12-20 |
| FR2269372B1 (en:Method) | 1981-02-06 |
| EG11699A (en) | 1978-03-29 |
| IE41038B1 (en) | 1979-10-10 |
| FR2269372A1 (en:Method) | 1975-11-28 |
| CH597910A5 (en:Method) | 1978-04-14 |
| US3931048A (en) | 1976-01-06 |
| IL47186A (en) | 1978-06-15 |
| HU175313B (hu) | 1980-06-28 |
| NO751568L (en:Method) | 1975-11-04 |
| AU8061575A (en) | 1976-11-04 |
| NO143052B (no) | 1980-09-01 |
| AR225129A1 (es) | 1982-02-26 |
| IL47186A0 (en) | 1975-06-25 |
| CA1041471A (en) | 1978-10-31 |
| ES437084A1 (es) | 1977-01-16 |
| DE2519389A1 (de) | 1975-11-13 |
| ZA752872B (en) | 1976-04-28 |
| SE7504994L (sv) | 1975-11-04 |
| IT1035608B (it) | 1979-10-20 |
| JPS50158593A (en:Method) | 1975-12-22 |
| BR7502689A (pt) | 1976-03-16 |
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