DK37283A - COMPOSITION AND PROCEDURE FOR REFORMING CARBOHYDRIDES - Google Patents
COMPOSITION AND PROCEDURE FOR REFORMING CARBOHYDRIDES Download PDFInfo
- Publication number
- DK37283A DK37283A DK37283A DK37283A DK37283A DK 37283 A DK37283 A DK 37283A DK 37283 A DK37283 A DK 37283A DK 37283 A DK37283 A DK 37283A DK 37283 A DK37283 A DK 37283A
- Authority
- DK
- Denmark
- Prior art keywords
- carbohydrides
- reforming
- procedure
- composition
- reforming carbohydrides
- Prior art date
Links
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
- C10G35/00—Reforming naphtha
- C10G35/04—Catalytic reforming
- C10G35/06—Catalytic reforming characterised by the catalyst used
- C10G35/095—Catalytic reforming characterised by the catalyst used containing 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
- 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
- B01J29/60—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof of the type L, as exemplified by patent document US3216789
-
- 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
- B01J29/60—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof of the type L, as exemplified by patent document US3216789
- B01J29/605—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof of the type L, as exemplified by patent document US3216789 containing rare earth elements, titanium, zirconium, hafnium, zinc, cadmium, mercury, gallium, indium, thallium, tin or lead
-
- 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
- B01J29/60—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof of the type L, as exemplified by patent document US3216789
- B01J29/61—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof of the type L, as exemplified by patent document US3216789 containing iron group metals, noble metals or copper
-
- 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
- B01J29/60—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof of the type L, as exemplified by patent document US3216789
- B01J29/61—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof of the type L, as exemplified by patent document US3216789 containing iron group metals, noble metals or copper
- B01J29/62—Noble metals
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C4/00—Preparation of hydrocarbons from hydrocarbons containing a larger number of carbon atoms
- C07C4/08—Preparation of hydrocarbons from hydrocarbons containing a larger number of carbon atoms by splitting-off an aliphatic or cycloaliphatic part from the molecule
- C07C4/12—Preparation of hydrocarbons from hydrocarbons containing a larger number of carbon atoms by splitting-off an aliphatic or cycloaliphatic part from the molecule from hydrocarbons containing a six-membered aromatic ring, e.g. propyltoluene to vinyltoluene
- C07C4/14—Preparation of hydrocarbons from hydrocarbons containing a larger number of carbon atoms by splitting-off an aliphatic or cycloaliphatic part from the molecule from hydrocarbons containing a six-membered aromatic ring, e.g. propyltoluene to vinyltoluene splitting taking place at an aromatic-aliphatic bond
- C07C4/18—Catalytic processes
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C5/00—Preparation of hydrocarbons from hydrocarbons containing the same number of carbon atoms
- C07C5/32—Preparation of hydrocarbons from hydrocarbons containing the same number of carbon atoms by dehydrogenation with formation of free hydrogen
- C07C5/373—Preparation of hydrocarbons from hydrocarbons containing the same number of carbon atoms by dehydrogenation with formation of free hydrogen with simultaneous isomerisation
- C07C5/387—Preparation of hydrocarbons from hydrocarbons containing the same number of carbon atoms by dehydrogenation with formation of free hydrogen with simultaneous isomerisation of cyclic compounds containing non six-membered ring to compounds containing a six-membered aromatic ring
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C5/00—Preparation of hydrocarbons from hydrocarbons containing the same number of carbon atoms
- C07C5/32—Preparation of hydrocarbons from hydrocarbons containing the same number of carbon atoms by dehydrogenation with formation of free hydrogen
- C07C5/373—Preparation of hydrocarbons from hydrocarbons containing the same number of carbon atoms by dehydrogenation with formation of free hydrogen with simultaneous isomerisation
- C07C5/393—Preparation of hydrocarbons from hydrocarbons containing the same number of carbon atoms by dehydrogenation with formation of free hydrogen with simultaneous isomerisation with cyclisation to an aromatic six-membered ring, e.g. dehydrogenation of n-hexane to benzene
- C07C5/41—Catalytic processes
- C07C5/415—Catalytic processes with metals
- C07C5/417—Catalytic processes with metals of the platinum group
-
- 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
- B01J2229/10—After treatment, characterised by the effect to be obtained
- B01J2229/26—After treatment, characterised by the effect to be obtained to stabilize the total catalyst structure
-
- 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
-
- 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
-
- 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
- C07C2523/02—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group C07C2521/00 of the alkali- or alkaline earth metals or beryllium
-
- 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
- C07C2523/38—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group C07C2521/00 of noble metals
- C07C2523/40—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group C07C2521/00 of noble metals of the platinum group metals
- C07C2523/42—Platinum
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C2529/00—Catalysts comprising molecular sieves
- C07C2529/04—Catalysts comprising molecular sieves having base-exchange properties, e.g. crystalline zeolites, pillared clays
- C07C2529/06—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof
- C07C2529/60—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof of the type L
- C07C2529/61—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof of the type L containing iron group metals, noble metals or copper
- C07C2529/62—Noble metals
-
- 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/50—Improvements relating to the production of bulk chemicals
-
- 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/50—Improvements relating to the production of bulk chemicals
- Y02P20/52—Improvements relating to the production of bulk chemicals using catalysts, e.g. selective catalysts
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Crystallography & Structural Chemistry (AREA)
- Materials Engineering (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- General Chemical & Material Sciences (AREA)
- Catalysts (AREA)
- Production Of Liquid Hydrocarbon Mixture For Refining Petroleum (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Applications Claiming Priority (12)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US34457082A | 1982-02-01 | 1982-02-01 | |
US06/344,571 US4447316A (en) | 1982-02-01 | 1982-02-01 | Composition and a method for its use in dehydrocyclization of alkanes |
US34457182 | 1982-02-01 | ||
US34457082 | 1982-02-01 | ||
US39290782 | 1982-06-28 | ||
US06/392,907 US4645588A (en) | 1982-02-01 | 1982-06-28 | Reforming with a platinum-barium-zeolite of L family |
US06/405,837 US4634518A (en) | 1982-02-01 | 1982-08-06 | Platinum-barium-type L zeolite |
US40583782 | 1982-08-06 | ||
US42054182 | 1982-09-20 | ||
US06/420,541 US4434311A (en) | 1982-02-01 | 1982-09-20 | Conversion of alkycyclopentanes to aromatics |
US42279882A | 1982-09-24 | 1982-09-24 | |
US42279882 | 1982-09-24 |
Publications (4)
Publication Number | Publication Date |
---|---|
DK37283D0 DK37283D0 (en) | 1983-01-31 |
DK37283A true DK37283A (en) | 1983-08-02 |
DK163571B DK163571B (en) | 1992-03-16 |
DK163571C DK163571C (en) | 1992-08-03 |
Family
ID=27559792
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DK037283A DK163571C (en) | 1982-02-01 | 1983-01-31 | CATALYST CONTAINING A TYPE OF L ZEOLITE AND AT LEAST ONE GROUP VIII METAL, AND USE THEREOF |
Country Status (16)
Country | Link |
---|---|
AU (1) | AU559929B2 (en) |
BR (1) | BR8300467A (en) |
CH (1) | CH658603A5 (en) |
DE (2) | DE3348504C2 (en) |
DK (1) | DK163571C (en) |
FI (1) | FI830345L (en) |
FR (1) | FR2520636B1 (en) |
GB (1) | GB2116450B (en) |
IL (1) | IL67727A (en) |
MX (2) | MX166695B (en) |
NL (1) | NL191730C (en) |
NO (1) | NO157768C (en) |
NZ (1) | NZ203006A (en) |
SE (1) | SE454089B (en) |
TR (1) | TR23020A (en) |
YU (1) | YU43649B (en) |
Families Citing this family (26)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4648961A (en) * | 1982-09-29 | 1987-03-10 | Chevron Research Company | Method of producing high aromatic yields through aromatics removal and recycle of remaining material |
US4456527A (en) * | 1982-10-20 | 1984-06-26 | Chevron Research Company | Hydrocarbon conversion process |
US4925819A (en) * | 1983-11-10 | 1990-05-15 | Exxon Research & Engineering Company | Method of regenerating a deactivated catalyst |
CA1231699A (en) † | 1983-11-10 | 1988-01-19 | Samuel J. Tauster | Zeolite catalyst and process for using said catalyst |
US4552856A (en) * | 1983-11-10 | 1985-11-12 | Exxon Research And Engineering Co. | Zeolite catalyst and preparation thereof |
US4595668A (en) * | 1983-11-10 | 1986-06-17 | Exxon Research And Engineering Co. | Bound zeolite catalyst |
US4595669A (en) * | 1983-11-10 | 1986-06-17 | Exxon Research And Engineering Co. | Method of preparing an improved catalyst |
US4595670A (en) * | 1983-11-10 | 1986-06-17 | Exxon Research And Engineering Co. | Zeolite catalyst |
US4568656A (en) * | 1984-12-07 | 1986-02-04 | Exxon Research & Engineering Co. | Process for loading platinum into Zeolite-L |
NZ215987A (en) * | 1985-05-14 | 1989-07-27 | Mobil Oil Corp | Manufacture of zeolite |
US5242675A (en) * | 1985-10-15 | 1993-09-07 | Exxon Research & Engineering Company | Zeolite L |
US5486498A (en) * | 1986-10-14 | 1996-01-23 | Exxon Research & Engineering Company | Zeolite L |
US4830729A (en) * | 1987-12-28 | 1989-05-16 | Mobil Oil Corporation | Dewaxing over crystalline indium silicates containing groups VIII means |
US4990710A (en) * | 1988-06-24 | 1991-02-05 | Mobil Oil Corporation | Tin-containing microporous crystalline materials and their use as dehydrogenation, dehydrocyclization and reforming catalysts |
US4868145A (en) * | 1987-12-28 | 1989-09-19 | Mobil Oil Corporation | Dehydrogenation and dehydrocyclization catalyst |
US4849567A (en) * | 1987-12-28 | 1989-07-18 | Mobil Oil Corporation | Catalytic dehydrogenation of hydrocarbons over indium-containing crystalline microporous materials |
GB8801067D0 (en) * | 1988-01-19 | 1988-02-17 | Exxon Chemical Patents Inc | Zeolite l preparation |
US4888105A (en) * | 1988-02-16 | 1989-12-19 | Mobil Oil Corporation | Process for the dehydrocyclization of acyclic hydrocarbons and catalyst composition therefor |
DE68917627T2 (en) * | 1988-03-31 | 1995-01-26 | Exxon Chemical Patents Inc | Process for reforming a hydrocarbon fraction free of dimethylbutane. |
US5192728A (en) * | 1988-06-24 | 1993-03-09 | Mobil Oil Corporation | Tin-colating microporous crystalline materials and their use as dehydrogenation, dehydrocyclization reforming catalysts |
US5124497A (en) * | 1989-10-11 | 1992-06-23 | Mobil Oil Corporation | Production of mono-substituted alkylaromatics from C8 +N-paraffins |
US5122489A (en) * | 1990-10-15 | 1992-06-16 | Mobil Oil Corporation | Non-acidic dehydrogenation catalyst of enhanced stability |
US5147837A (en) * | 1990-10-22 | 1992-09-15 | Mobil Oil Corporation | Titania containing dehydrogenation catalysts |
US5103066A (en) * | 1990-12-10 | 1992-04-07 | Mobil Oil Corp. | Dehydrogenation of alcohols over non-acidic metal-zeolite catalysts |
WO1996040842A1 (en) * | 1995-06-07 | 1996-12-19 | Chevron Chemical Company | Process for maximizing xylene production |
US5879538A (en) * | 1997-12-22 | 1999-03-09 | Chevron Chemical Company | Zeolite L catalyst in conventional furnace |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1545411A1 (en) * | 1951-01-28 | 1970-01-08 | Union Carbide Corp | Process for the catalytic conversion of hydrocarbons |
NL238183A (en) | 1962-08-03 | |||
GB1058190A (en) * | 1963-06-28 | 1967-02-08 | Mobil Oil Corp | Catalytic cracking of hydrocarbons |
DE1270212B (en) * | 1964-03-26 | 1968-06-12 | Union Oil Co | Process for adjusting the aromatic content in hydrocracking processes |
US3397137A (en) * | 1965-07-16 | 1968-08-13 | Union Carbide Corp | Hydrocarbon reforming process and catalyst compositions therefor |
FR2323664A1 (en) * | 1975-09-10 | 1977-04-08 | Erap | PROCESS FOR DEHYDROCYCLIZATION OF ALIPHATIC HYDROCARBONS |
-
1983
- 1983-01-12 NZ NZ203006A patent/NZ203006A/en unknown
- 1983-01-14 AU AU10370/83A patent/AU559929B2/en not_active Expired
- 1983-01-21 IL IL67727A patent/IL67727A/en not_active IP Right Cessation
- 1983-01-24 FR FR8301000A patent/FR2520636B1/en not_active Expired
- 1983-01-27 YU YU186/83A patent/YU43649B/en unknown
- 1983-01-27 GB GB08302287A patent/GB2116450B/en not_active Expired
- 1983-01-28 TR TR661/83A patent/TR23020A/en unknown
- 1983-01-31 DE DE3348504A patent/DE3348504C2/en not_active Expired - Lifetime
- 1983-01-31 NO NO830322A patent/NO157768C/en unknown
- 1983-01-31 NL NL8300356A patent/NL191730C/en not_active IP Right Cessation
- 1983-01-31 DK DK037283A patent/DK163571C/en not_active IP Right Cessation
- 1983-01-31 MX MX008669A patent/MX166695B/en unknown
- 1983-01-31 DE DE3303120A patent/DE3303120C2/en not_active Expired - Lifetime
- 1983-01-31 SE SE8300485A patent/SE454089B/en not_active IP Right Cessation
- 1983-01-31 BR BR8300467A patent/BR8300467A/en not_active IP Right Cessation
- 1983-02-01 CH CH565/83A patent/CH658603A5/en unknown
- 1983-02-01 FI FI830345A patent/FI830345L/en not_active Application Discontinuation
-
1992
- 1992-10-30 MX MX9206280A patent/MX9206280A/en unknown
Also Published As
Publication number | Publication date |
---|---|
FI830345A0 (en) | 1983-02-01 |
SE454089B (en) | 1988-03-28 |
IL67727A (en) | 1986-10-31 |
GB2116450A (en) | 1983-09-28 |
YU18683A (en) | 1986-02-28 |
GB8302287D0 (en) | 1983-03-02 |
SE8300485D0 (en) | 1983-01-31 |
DK163571B (en) | 1992-03-16 |
DE3303120C2 (en) | 1997-07-24 |
IL67727A0 (en) | 1983-05-15 |
FR2520636A1 (en) | 1983-08-05 |
NO157768B (en) | 1988-02-08 |
YU43649B (en) | 1989-10-31 |
DK37283D0 (en) | 1983-01-31 |
FI830345L (en) | 1983-08-02 |
NL191730B (en) | 1996-01-02 |
TR23020A (en) | 1989-01-24 |
DK163571C (en) | 1992-08-03 |
NL8300356A (en) | 1983-09-01 |
NZ203006A (en) | 1985-08-16 |
NO830322L (en) | 1983-08-02 |
AU559929B2 (en) | 1987-03-26 |
SE8300485L (en) | 1983-08-02 |
GB2116450B (en) | 1985-06-05 |
NO157768C (en) | 1988-05-25 |
AU1037083A (en) | 1983-08-11 |
BR8300467A (en) | 1983-11-01 |
MX9206280A (en) | 1994-04-29 |
CH658603A5 (en) | 1986-11-28 |
DE3348504C2 (en) | 2003-06-26 |
FR2520636B1 (en) | 1988-05-13 |
DE3303120A1 (en) | 1983-09-01 |
MX166695B (en) | 1993-01-28 |
NL191730C (en) | 1996-05-03 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PBP | Patent lapsed |