DE3003361C2 - Katalysator und dessen Verwendung - Google Patents
Katalysator und dessen VerwendungInfo
- Publication number
- DE3003361C2 DE3003361C2 DE3003361A DE3003361A DE3003361C2 DE 3003361 C2 DE3003361 C2 DE 3003361C2 DE 3003361 A DE3003361 A DE 3003361A DE 3003361 A DE3003361 A DE 3003361A DE 3003361 C2 DE3003361 C2 DE 3003361C2
- Authority
- DE
- Germany
- Prior art keywords
- catalyst
- mixture
- solution
- water
- weight
- 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 44
- 239000000203 mixture Substances 0.000 claims description 22
- 239000011148 porous material Substances 0.000 claims description 18
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 14
- HNPSIPDUKPIQMN-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical compound O=[Si]=O.O=[Al]O[Al]=O HNPSIPDUKPIQMN-UHFFFAOYSA-N 0.000 claims description 12
- 229910000323 aluminium silicate Inorganic materials 0.000 claims description 11
- 239000007921 spray Substances 0.000 claims description 10
- 238000001879 gelation Methods 0.000 claims description 9
- 229920002401 polyacrylamide Polymers 0.000 claims description 9
- 229910052910 alkali metal silicate Inorganic materials 0.000 claims description 8
- AZDRQVAHHNSJOQ-UHFFFAOYSA-N alumane Chemical class [AlH3] AZDRQVAHHNSJOQ-UHFFFAOYSA-N 0.000 claims description 8
- 239000012736 aqueous medium Substances 0.000 claims description 6
- 238000002156 mixing Methods 0.000 claims description 6
- 239000010802 sludge Substances 0.000 claims description 6
- 238000001694 spray drying Methods 0.000 claims description 6
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims description 5
- 125000000129 anionic group Chemical group 0.000 claims description 5
- 229930195733 hydrocarbon Natural products 0.000 claims description 5
- 150000002430 hydrocarbons Chemical class 0.000 claims description 5
- 238000005336 cracking Methods 0.000 claims description 4
- 239000004215 Carbon black (E152) Substances 0.000 claims description 3
- 239000006185 dispersion Substances 0.000 claims description 3
- 239000000243 solution Substances 0.000 description 16
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 12
- 238000000034 method Methods 0.000 description 12
- 150000001768 cations Chemical class 0.000 description 9
- 239000010457 zeolite Substances 0.000 description 7
- QGZKDVFQNNGYKY-UHFFFAOYSA-N ammonia Natural products N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 6
- 239000008367 deionised water Substances 0.000 description 6
- 229910021641 deionized water Inorganic materials 0.000 description 6
- 229910021536 Zeolite Inorganic materials 0.000 description 5
- 239000007853 buffer solution Substances 0.000 description 5
- 238000001035 drying Methods 0.000 description 5
- NTHWMYGWWRZVTN-UHFFFAOYSA-N sodium silicate Chemical compound [Na+].[Na+].[O-][Si]([O-])=O NTHWMYGWWRZVTN-UHFFFAOYSA-N 0.000 description 5
- 229910018072 Al 2 O 3 Inorganic materials 0.000 description 4
- NLXLAEXVIDQMFP-UHFFFAOYSA-N Ammonium chloride Substances [NH4+].[Cl-] NLXLAEXVIDQMFP-UHFFFAOYSA-N 0.000 description 4
- VHUUQVKOLVNVRT-UHFFFAOYSA-N Ammonium hydroxide Chemical compound [NH4+].[OH-] VHUUQVKOLVNVRT-UHFFFAOYSA-N 0.000 description 4
- VMHLLURERBWHNL-UHFFFAOYSA-M Sodium acetate Chemical compound [Na+].CC([O-])=O VMHLLURERBWHNL-UHFFFAOYSA-M 0.000 description 4
- -1 alkaline earth metal cation Chemical class 0.000 description 4
- DIZPMCHEQGEION-UHFFFAOYSA-H aluminium sulfate (anhydrous) Chemical compound [Al+3].[Al+3].[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O DIZPMCHEQGEION-UHFFFAOYSA-H 0.000 description 4
- 235000011114 ammonium hydroxide Nutrition 0.000 description 4
- 239000007864 aqueous solution Substances 0.000 description 4
- 238000009826 distribution Methods 0.000 description 4
- TVMXDCGIABBOFY-UHFFFAOYSA-N octane Chemical compound CCCCCCCC TVMXDCGIABBOFY-UHFFFAOYSA-N 0.000 description 4
- 239000001632 sodium acetate Substances 0.000 description 4
- 235000017281 sodium acetate Nutrition 0.000 description 4
- 239000007787 solid Substances 0.000 description 4
- 229910004298 SiO 2 Inorganic materials 0.000 description 3
- 238000005299 abrasion Methods 0.000 description 3
- 238000009835 boiling Methods 0.000 description 3
- 239000003502 gasoline Substances 0.000 description 3
- 235000019353 potassium silicate Nutrition 0.000 description 3
- 238000002360 preparation method Methods 0.000 description 3
- 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 2
- 239000004115 Sodium Silicate Substances 0.000 description 2
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 2
- 230000032683 aging Effects 0.000 description 2
- 150000001336 alkenes Chemical class 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- 229910021529 ammonia Inorganic materials 0.000 description 2
- 125000002091 cationic group Chemical group 0.000 description 2
- 239000013078 crystal Substances 0.000 description 2
- 238000004231 fluid catalytic cracking Methods 0.000 description 2
- 230000036571 hydration Effects 0.000 description 2
- 238000006703 hydration reaction Methods 0.000 description 2
- 238000005342 ion exchange Methods 0.000 description 2
- 229910052746 lanthanum Inorganic materials 0.000 description 2
- FZLIPJUXYLNCLC-UHFFFAOYSA-N lanthanum atom Chemical compound [La] FZLIPJUXYLNCLC-UHFFFAOYSA-N 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- JRZJOMJEPLMPRA-UHFFFAOYSA-N olefin Natural products CCCCCCCC=C JRZJOMJEPLMPRA-UHFFFAOYSA-N 0.000 description 2
- 229910052761 rare earth metal Inorganic materials 0.000 description 2
- 239000002002 slurry Substances 0.000 description 2
- 239000011734 sodium Substances 0.000 description 2
- 229910052911 sodium silicate Inorganic materials 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- 238000005406 washing Methods 0.000 description 2
- 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 1
- 239000002253 acid Substances 0.000 description 1
- 229910052783 alkali metal Inorganic materials 0.000 description 1
- 150000001340 alkali metals Chemical class 0.000 description 1
- 229910052784 alkaline earth metal Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 239000011959 amorphous silica alumina Substances 0.000 description 1
- 239000002585 base Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000004523 catalytic cracking Methods 0.000 description 1
- 230000003197 catalytic effect Effects 0.000 description 1
- 238000004517 catalytic hydrocracking Methods 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000000571 coke Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 230000009969 flowable effect Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 125000004435 hydrogen atom Chemical class [H]* 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 229910052610 inosilicate Inorganic materials 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 229920000620 organic polymer Polymers 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000013618 particulate matter Substances 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Classifications
-
- 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
- B01J37/00—Processes, in general, for preparing catalysts; Processes, in general, for activation of catalysts
- B01J37/0009—Use of binding agents; Moulding; Pressing; Powdering; Granulating; Addition of materials ameliorating the mechanical properties of the product catalyst
-
- 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
- B01J29/00—Catalysts comprising molecular sieves
- B01J29/04—Catalysts comprising molecular sieves having base-exchange properties, e.g. crystalline zeolites
- B01J29/06—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof
- B01J29/08—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof of the faujasite type, e.g. type X or Y
- B01J29/084—Y-type faujasite
-
- 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
- C10G11/00—Catalytic cracking, in the absence of hydrogen, of hydrocarbon oils
- C10G11/02—Catalytic cracking, in the absence of hydrogen, of hydrocarbon oils characterised by the catalyst used
- C10G11/04—Oxides
- C10G11/05—Crystalline alumino-silicates, e.g. molecular sieves
-
- 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
- B01J2229/00—Aspects of molecular sieve catalysts not covered by B01J29/00
- B01J2229/30—After treatment, characterised by the means used
- B01J2229/42—Addition of matrix or binder particles
-
- 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
- Y10S502/00—Catalyst, solid sorbent, or support therefor: product or process of making
- Y10S502/506—Method of making inorganic composition utilizing organic compound, except formic, acetic, or oxalic acid or salt thereof
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Organic Chemistry (AREA)
- Crystallography & Structural Chemistry (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Materials Engineering (AREA)
- General Chemical & Material Sciences (AREA)
- Catalysts (AREA)
- Production Of Liquid Hydrocarbon Mixture For Refining Petroleum (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US06/008,823 US4215015A (en) | 1979-02-02 | 1979-02-02 | High octane FCC catalyst |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DE3003361A1 DE3003361A1 (de) | 1980-08-07 |
| DE3003361C2 true DE3003361C2 (de) | 1982-10-21 |
Family
ID=21733879
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE3003361A Expired DE3003361C2 (de) | 1979-02-02 | 1980-01-31 | Katalysator und dessen Verwendung |
Country Status (20)
| Country | Link |
|---|---|
| US (1) | US4215015A (enExample) |
| JP (1) | JPS55109446A (enExample) |
| AR (1) | AR225624A1 (enExample) |
| AT (1) | ATA55880A (enExample) |
| AU (1) | AU531638B2 (enExample) |
| BE (1) | BE881460A (enExample) |
| BR (1) | BR8000653A (enExample) |
| CA (1) | CA1139290A (enExample) |
| DE (1) | DE3003361C2 (enExample) |
| ES (2) | ES488207A1 (enExample) |
| FR (1) | FR2447750B1 (enExample) |
| GB (1) | GB2045104B (enExample) |
| IN (1) | IN153782B (enExample) |
| IT (1) | IT1130245B (enExample) |
| NL (1) | NL8000656A (enExample) |
| PH (1) | PH16321A (enExample) |
| RO (1) | RO80121B (enExample) |
| TR (1) | TR21309A (enExample) |
| YU (1) | YU27480A (enExample) |
| ZA (1) | ZA80585B (enExample) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1985003240A1 (en) * | 1984-01-30 | 1985-08-01 | Eka Ab | Catalytic exhaust emission control device and method of making it |
| WO1985003241A1 (en) * | 1984-01-30 | 1985-08-01 | Eka Ab | Filler or a support for catalytically active substances, a process for producing said filler or support, a catalyst produced from said support, and the use of said catalyst |
Families Citing this family (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4299733A (en) * | 1980-05-08 | 1981-11-10 | Uop Inc. | High octane FCC catalyst |
| US4337145A (en) * | 1980-10-10 | 1982-06-29 | Uop Inc. | Fluid catalytic cracking process |
| US4305845A (en) * | 1980-10-10 | 1981-12-15 | Uop Inc. | Zeolitic catalyst |
| USRE33728E (en) * | 1981-11-24 | 1991-10-29 | Total Engineering And Research Company | Method for catalytically converting residual oils |
| US4493902A (en) * | 1983-02-25 | 1985-01-15 | Engelhard Corporation | Fluid catalytic cracking catalyst comprising microspheres containing more than about 40 percent by weight Y-faujasite and methods for making |
| US4624773A (en) * | 1983-08-16 | 1986-11-25 | Ashland Oil, Inc. | Large pore catalysts for heavy hydrocarbon conversion |
| DE3505665A1 (de) * | 1985-02-19 | 1986-08-21 | Puma-Sportschuhfabriken Rudolf Dassler Kg, 8522 Herzogenaurach | Sportschuh |
| US4714567A (en) * | 1985-10-31 | 1987-12-22 | Aluminum Company Of America | Reacting alumina hydrate sol and an organic material to form a stable monolithic gel |
| DE3600628A1 (de) * | 1986-01-11 | 1987-07-16 | Degussa | Zeolithformkoerper |
| US4968405A (en) * | 1988-07-05 | 1990-11-06 | Exxon Research And Engineering Company | Fluid catalytic cracking using catalysts containing monodispersed mesoporous matrices |
| AU673714B2 (en) * | 1992-12-11 | 1996-11-21 | Mobil Oil Corporation | Cracking process and ZSM-5 catalyst produced therefor |
| GB9709340D0 (en) * | 1997-05-09 | 1997-06-25 | Johnson Matthey Plc | Improvements in coated materials |
| US7229469B1 (en) | 1999-10-02 | 2007-06-12 | Quantumcor, Inc. | Methods for treating and repairing mitral valve annulus |
| US8187266B2 (en) * | 2006-09-29 | 2012-05-29 | Quantumcor, Inc. | Surgical probe and methods for targeted treatment of heart structures |
| CN111732110B (zh) * | 2020-01-21 | 2022-02-25 | 中国石油大学(北京) | 一种NaY沸石及其制备方法 |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3417028A (en) * | 1961-07-03 | 1968-12-17 | Montgomery Douglas Sargent | Process for the preparation of an inorganic gel having a predetermined pore structure |
| US3313594A (en) * | 1963-07-05 | 1967-04-11 | Mobil Oil Corp | Method for producing crystalline aluminosilicate zeolitic particles of uniform size |
| US3472792A (en) * | 1967-03-13 | 1969-10-14 | Universal Oil Prod Co | Hydrocarbon conversion catalyst |
| GB1231385A (enExample) * | 1967-08-04 | 1971-05-12 | ||
| FR1597513A (enExample) * | 1968-09-02 | 1970-06-29 | ||
| US3592778A (en) * | 1969-04-24 | 1971-07-13 | Universal Oil Prod Co | Hydrocarbon conversion catalyst |
| US3650988A (en) * | 1969-09-15 | 1972-03-21 | Grace W R & Co | Hydrocarbon conversion catalysts |
| LU69403A1 (enExample) * | 1974-02-18 | 1975-12-09 | ||
| US4061717A (en) * | 1974-10-03 | 1977-12-06 | Mobil Oil Corporation | Directed crystallization of synthetic aluminosilicates |
| US4080284A (en) * | 1976-04-12 | 1978-03-21 | Mobil Oil Corporation | Hydrocarbon conversion with modified solid catalyst materials |
-
1979
- 1979-02-02 US US06/008,823 patent/US4215015A/en not_active Expired - Lifetime
-
1980
- 1980-01-29 IN IN58/DEL/80A patent/IN153782B/en unknown
- 1980-01-31 DE DE3003361A patent/DE3003361C2/de not_active Expired
- 1980-01-31 ZA ZA00800585A patent/ZA80585B/xx unknown
- 1980-01-31 JP JP946680A patent/JPS55109446A/ja active Pending
- 1980-01-31 BE BE0/199194A patent/BE881460A/fr not_active IP Right Cessation
- 1980-02-01 ES ES488207A patent/ES488207A1/es not_active Expired
- 1980-02-01 AU AU55134/80A patent/AU531638B2/en not_active Ceased
- 1980-02-01 IT IT19644/80A patent/IT1130245B/it active
- 1980-02-01 NL NL8000656A patent/NL8000656A/nl not_active Application Discontinuation
- 1980-02-01 YU YU00274/80A patent/YU27480A/xx unknown
- 1980-02-01 CA CA000344893A patent/CA1139290A/en not_active Expired
- 1980-02-01 BR BR8000653A patent/BR8000653A/pt unknown
- 1980-02-01 GB GB8003529A patent/GB2045104B/en not_active Expired
- 1980-02-01 AT AT0055880A patent/ATA55880A/de not_active IP Right Cessation
- 1980-02-01 PH PH23576A patent/PH16321A/en unknown
- 1980-02-01 AR AR279842A patent/AR225624A1/es active
- 1980-02-02 RO RO100071A patent/RO80121B/ro unknown
- 1980-02-04 FR FR8002340A patent/FR2447750B1/fr not_active Expired
- 1980-02-04 TR TR21309A patent/TR21309A/xx unknown
- 1980-05-09 ES ES491315A patent/ES491315A0/es active Granted
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1985003240A1 (en) * | 1984-01-30 | 1985-08-01 | Eka Ab | Catalytic exhaust emission control device and method of making it |
| WO1985003241A1 (en) * | 1984-01-30 | 1985-08-01 | Eka Ab | Filler or a support for catalytically active substances, a process for producing said filler or support, a catalyst produced from said support, and the use of said catalyst |
| EP0153911A1 (en) * | 1984-01-30 | 1985-09-04 | Eka Nobel Aktiebolag | Catalytic exhaust emission control device and a method of making it |
Also Published As
| Publication number | Publication date |
|---|---|
| RO80121A (ro) | 1983-02-15 |
| PH16321A (en) | 1983-09-05 |
| TR21309A (tr) | 1984-03-22 |
| ES488207A1 (es) | 1980-09-16 |
| AU531638B2 (en) | 1983-09-01 |
| ES8104381A1 (es) | 1981-04-01 |
| FR2447750A1 (fr) | 1980-08-29 |
| ATA55880A (de) | 1983-11-15 |
| CA1139290A (en) | 1983-01-11 |
| IT8019644A0 (it) | 1980-02-01 |
| ES491315A0 (es) | 1981-04-01 |
| US4215015A (en) | 1980-07-29 |
| GB2045104A (en) | 1980-10-29 |
| RO80121B (ro) | 1983-02-28 |
| IN153782B (enExample) | 1984-08-18 |
| BE881460A (fr) | 1980-05-16 |
| AR225624A1 (es) | 1982-04-15 |
| FR2447750B1 (fr) | 1986-05-23 |
| IT1130245B (it) | 1986-06-11 |
| DE3003361A1 (de) | 1980-08-07 |
| GB2045104B (en) | 1983-02-09 |
| BR8000653A (pt) | 1980-10-21 |
| ZA80585B (en) | 1981-02-25 |
| YU27480A (en) | 1983-06-30 |
| JPS55109446A (en) | 1980-08-22 |
| AU5513480A (en) | 1980-08-07 |
| NL8000656A (nl) | 1980-08-05 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| OAP | Request for examination filed | ||
| OD | Request for examination | ||
| D2 | Grant after examination | ||
| 8339 | Ceased/non-payment of the annual fee |