DZ1439A1 - Composés renfermant du chrome, utilisables pour a polymérisation des oléfines. - Google Patents
Composés renfermant du chrome, utilisables pour a polymérisation des oléfines.Info
- Publication number
- DZ1439A1 DZ1439A1 DZ900148A DZ900148A DZ1439A1 DZ 1439 A1 DZ1439 A1 DZ 1439A1 DZ 900148 A DZ900148 A DZ 900148A DZ 900148 A DZ900148 A DZ 900148A DZ 1439 A1 DZ1439 A1 DZ 1439A1
- Authority
- DZ
- Algeria
- Prior art keywords
- chromium
- olefins
- usable
- polymerization
- compounds containing
- Prior art date
Links
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 title abstract 3
- 229910052804 chromium Inorganic materials 0.000 title abstract 3
- 239000011651 chromium Substances 0.000 title abstract 3
- 150000001875 compounds Chemical class 0.000 title abstract 3
- 150000001336 alkenes Chemical class 0.000 title abstract 2
- 238000006116 polymerization reaction Methods 0.000 title 1
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 abstract 2
- SCCNXKACLAJZAP-UHFFFAOYSA-N chromium(3+);pyrrol-1-ide Chemical class [Cr+3].C=1C=C[N-]C=1.C=1C=C[N-]C=1.C=1C=C[N-]C=1 SCCNXKACLAJZAP-UHFFFAOYSA-N 0.000 abstract 2
- 150000001408 amides Chemical class 0.000 abstract 1
- 150000001844 chromium Chemical class 0.000 abstract 1
- -1 for example Chemical class 0.000 abstract 1
- 229910052809 inorganic oxide Inorganic materials 0.000 abstract 1
- 229910052751 metal Inorganic materials 0.000 abstract 1
- 239000002184 metal Substances 0.000 abstract 1
- 239000000203 mixture Substances 0.000 abstract 1
- 239000002904 solvent Substances 0.000 abstract 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07F—ACYCLIC, CARBOCYCLIC OR HETEROCYCLIC COMPOUNDS CONTAINING ELEMENTS OTHER THAN CARBON, HYDROGEN, HALOGEN, OXYGEN, NITROGEN, SULFUR, SELENIUM OR TELLURIUM
- C07F11/00—Compounds containing elements of Groups 6 or 16 of the Periodic Table
-
- 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
- B01J31/00—Catalysts comprising hydrides, coordination complexes or organic compounds
- B01J31/16—Catalysts comprising hydrides, coordination complexes or organic compounds containing coordination complexes
- B01J31/22—Organic complexes
- B01J31/2204—Organic complexes the ligands containing oxygen or sulfur as complexing atoms
- B01J31/2208—Oxygen, e.g. acetylacetonates
-
- 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
- B01J23/16—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of arsenic, antimony, bismuth, vanadium, niobium, tantalum, polonium, chromium, molybdenum, tungsten, manganese, technetium or rhenium
- B01J23/24—Chromium, molybdenum or tungsten
- B01J23/26—Chromium
-
- 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
- B01J31/00—Catalysts comprising hydrides, coordination complexes or organic compounds
- B01J31/16—Catalysts comprising hydrides, coordination complexes or organic compounds containing coordination complexes
- B01J31/1616—Coordination complexes, e.g. organometallic complexes, immobilised on an inorganic support, e.g. ship-in-a-bottle type catalysts
-
- 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
- B01J31/00—Catalysts comprising hydrides, coordination complexes or organic compounds
- B01J31/16—Catalysts comprising hydrides, coordination complexes or organic compounds containing coordination complexes
- B01J31/18—Catalysts comprising hydrides, coordination complexes or organic compounds containing coordination complexes containing nitrogen, phosphorus, arsenic or antimony as complexing atoms, e.g. in pyridine ligands, or in resonance therewith, e.g. in isocyanide ligands C=N-R or as complexed central atoms
- B01J31/1805—Catalysts comprising hydrides, coordination complexes or organic compounds containing coordination complexes containing nitrogen, phosphorus, arsenic or antimony as complexing atoms, e.g. in pyridine ligands, or in resonance therewith, e.g. in isocyanide ligands C=N-R or as complexed central atoms the ligands containing nitrogen
- B01J31/181—Cyclic ligands, including e.g. non-condensed polycyclic ligands, comprising at least one complexing nitrogen atom as ring member, e.g. pyridine
-
- 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
- B01J37/02—Impregnation, coating or precipitation
- B01J37/0201—Impregnation
- B01J37/0203—Impregnation the impregnation liquid containing organic compounds
-
- 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
- C07C2/32—Catalytic processes with hydrides or organic compounds as complexes, e.g. acetyl-acetonates
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07F—ACYCLIC, CARBOCYCLIC OR HETEROCYCLIC COMPOUNDS CONTAINING ELEMENTS OTHER THAN CARBON, HYDROGEN, HALOGEN, OXYGEN, NITROGEN, SULFUR, SELENIUM OR TELLURIUM
- C07F11/00—Compounds containing elements of Groups 6 or 16 of the Periodic Table
- C07F11/005—Compounds containing elements of Groups 6 or 16 of the Periodic Table compounds without a metal-carbon linkage
-
- 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
- C08F10/00—Homopolymers and copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond
-
- 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
- B01J2231/00—Catalytic reactions performed with catalysts classified in B01J31/00
- B01J2231/20—Olefin oligomerisation or telomerisation
-
- 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
- B01J2531/00—Additional information regarding catalytic systems classified in B01J31/00
- B01J2531/02—Compositional aspects of complexes used, e.g. polynuclearity
- B01J2531/0213—Complexes without C-metal linkages
- B01J2531/0216—Bi- or polynuclear complexes, i.e. comprising two or more metal coordination centres, without metal-metal bonds, e.g. Cp(Lx)Zr-imidazole-Zr(Lx)Cp
-
- 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
- B01J2531/00—Additional information regarding catalytic systems classified in B01J31/00
- B01J2531/60—Complexes comprising metals of Group VI (VIA or VIB) as the central metal
- B01J2531/62—Chromium
-
- 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
- B01J31/00—Catalysts comprising hydrides, coordination complexes or organic compounds
- B01J31/02—Catalysts comprising hydrides, coordination complexes or organic compounds containing organic compounds or metal hydrides
- B01J31/12—Catalysts comprising hydrides, coordination complexes or organic compounds containing organic compounds or metal hydrides containing organo-metallic compounds or metal hydrides
- B01J31/14—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
- B01J31/143—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 of aluminium
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C2531/00—Catalysts comprising hydrides, coordination complexes or organic compounds
- C07C2531/16—Catalysts comprising hydrides, coordination complexes or organic compounds containing coordination complexes
- C07C2531/22—Organic complexes
-
- 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
- C08F2410/00—Features related to the catalyst preparation, the catalyst use or to the deactivation of the catalyst
- C08F2410/03—Multinuclear procatalyst, i.e. containing two or more metals, being different or not
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Inorganic Chemistry (AREA)
- Polymers & Plastics (AREA)
- Health & Medical Sciences (AREA)
- Medicinal Chemistry (AREA)
- Transition And Organic Metals Composition Catalysts For Addition Polymerization (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Catalysts (AREA)
- Polymerization Catalysts (AREA)
- Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
- Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
- Polymerisation Methods In General (AREA)
- Nitrogen Condensed Heterocyclic Rings (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US39268889A | 1989-08-10 | 1989-08-10 | |
| US45455489A | 1989-12-21 | 1989-12-21 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DZ1439A1 true DZ1439A1 (fr) | 2004-09-13 |
Family
ID=27013989
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DZ900148A DZ1439A1 (fr) | 1989-08-10 | 1990-08-08 | Composés renfermant du chrome, utilisables pour a polymérisation des oléfines. |
Country Status (22)
| Country | Link |
|---|---|
| EP (1) | EP0416304B1 (fr) |
| JP (2) | JP2735682B2 (fr) |
| KR (2) | KR0156738B1 (fr) |
| AT (1) | ATE150027T1 (fr) |
| AU (1) | AU610782B1 (fr) |
| CA (1) | CA2020509C (fr) |
| CZ (1) | CZ283274B6 (fr) |
| DD (1) | DD299442A5 (fr) |
| DE (1) | DE69030146T2 (fr) |
| DK (1) | DK0416304T3 (fr) |
| DZ (1) | DZ1439A1 (fr) |
| EG (1) | EG18825A (fr) |
| ES (1) | ES2098233T3 (fr) |
| FI (1) | FI100182B (fr) |
| GR (1) | GR3023468T3 (fr) |
| HU (1) | HU219604B (fr) |
| MY (1) | MY109630A (fr) |
| NO (1) | NO301484B1 (fr) |
| PH (1) | PH31471A (fr) |
| PL (1) | PL166803B1 (fr) |
| RU (1) | RU2102142C1 (fr) |
| SK (1) | SK392990A3 (fr) |
Families Citing this family (27)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA2020509C (fr) * | 1989-08-10 | 1998-04-28 | William K. Reagen | Composes a base de chrome et leur emploi |
| DE69217878T2 (de) * | 1991-12-18 | 1997-06-12 | Phillips Petroleum Co | Verfahren zur Herstellung von Polymerisationskatalysator |
| SG99843A1 (en) * | 1992-09-17 | 2003-11-27 | Mitsubishi Chem Corp | Method for oligomerizing an alpha-olefin |
| CA2087578C (fr) * | 1993-01-19 | 1998-10-27 | William Kevin Reagen | Methode de preparation d'un catalyseur pour la polymerisation d'olefines |
| KR100271582B1 (ko) * | 1993-02-04 | 2000-11-15 | 린다 에스 잘리 | 올 레핀의 삼량체화, 올리고머화 및/또는 중합화방법, 및 이를 위한 촉매 시스템의 제조 방법 |
| TW354300B (en) * | 1993-02-17 | 1999-03-11 | Mitsubishi Chem Corp | Process for producing <alpha>-olefin oligomers |
| TW279167B (fr) * | 1993-03-12 | 1996-06-21 | Sumitomo Chemical Co | |
| US5543375A (en) * | 1994-02-18 | 1996-08-06 | Phillips Petroleum Company | Olefin production |
| CA2134503C (fr) * | 1994-02-18 | 2001-04-10 | Mark E. Lashier | Procede pour l'obtention d'olefines |
| AU696651B2 (en) * | 1994-03-15 | 1998-09-17 | E.I. Du Pont De Nemours And Company | Living radical polymerization of vinyl monomers |
| JP3613642B2 (ja) | 1994-09-05 | 2005-01-26 | 住友化学株式会社 | １−ヘキセンの製造方法 |
| KR100414008B1 (ko) * | 1995-03-02 | 2004-04-29 | 미쓰비시 가가꾸 가부시키가이샤 | α-올레핀올리고머의제조방법 |
| US5708102A (en) * | 1995-03-03 | 1998-01-13 | E. I. Du Pont De Nemours And Company | Living radical polymerization of vinyl monomers |
| GB2308755B (en) * | 1995-12-28 | 1997-12-17 | Yazaki Corp | Half-fitting prevention connector |
| US5780698A (en) * | 1997-03-31 | 1998-07-14 | Chevron Chemical Company | Olefin oligomerization catalyst and process employing and preparing same |
| US20040210083A1 (en) | 2003-04-17 | 2004-10-21 | De Kraker Abraham Robert | Process for production of essentially chloride-free calcium sulfonate |
| EA028656B1 (ru) * | 2006-12-28 | 2017-12-29 | Мицубиси Кемикал Корпорейшн | СПОСОБ ПОЛУЧЕНИЯ ОЛИГОМЕРА α-ОЛЕФИНА |
| WO2008085658A1 (fr) | 2007-01-08 | 2008-07-17 | Exxonmobil Chemical Patents Inc. | Procédés d'oligomérisation d'oléfines avec des catalyseurs à base de chrome, pyridine thioéther |
| WO2008085659A1 (fr) | 2007-01-08 | 2008-07-17 | Exxonmobil Chemical Patents Inc. | Procédés d'oligomérisation d'oléfines avec des catalyseurs à base de chrome, pyridine éther |
| EP2104679A1 (fr) | 2007-01-08 | 2009-09-30 | ExxonMobil Chemical Patents Inc. | Procédés d'oligomérisation d'oléfines avec des catalyseurs à base de chrome, pyrine, mono-oxazoline |
| CA2740217C (fr) | 2008-10-31 | 2017-03-28 | Chevron Phillips Chemical Company Lp | Systeme et methode de desactivation et d'etanchement d'un catalyseur d'oligomerisation |
| US8471085B2 (en) | 2008-10-31 | 2013-06-25 | Chevron Phillips Chemical Company Lp | Oligomerization catalyst system and process for oligomerizing olefins |
| KR101483247B1 (ko) * | 2013-04-23 | 2015-01-16 | 주식회사 엘지화학 | 폴리올레핀 중합용 촉매의 제조 방법 및 폴리올레핀 제조방법 |
| US10604457B2 (en) | 2016-12-29 | 2020-03-31 | Chevron Phillips Chemical Company Lp | Ethylene oligomerization processes |
| US20180186708A1 (en) | 2016-12-29 | 2018-07-05 | Chevron Phillips Chemical Company Lp | Ethylene Oligomerization Processes |
| US10407360B2 (en) | 2017-12-22 | 2019-09-10 | Chevron Phillips Chemical Company Lp | Ethylene oligomerization processes |
| WO2021048741A2 (fr) * | 2019-09-09 | 2021-03-18 | King Abdullah University Of Science And Technology | Catalyseurs d'oligomérisation d'oléfines |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL135065C (fr) * | 1965-05-14 | |||
| US4364855A (en) * | 1980-12-31 | 1982-12-21 | Phillips Petroleum Company | Production of aluminum phosphate from concentrated mass |
| US4454293A (en) * | 1981-11-20 | 1984-06-12 | Phillips Petroleum Company | Polymerization using partially hydrolyzed silicate treatment of catalyst support |
| CA2020509C (fr) * | 1989-08-10 | 1998-04-28 | William K. Reagen | Composes a base de chrome et leur emploi |
| CA2021410C (fr) * | 1989-08-10 | 1998-06-02 | William Kevin Reagen | Methode de polymerisation d'olefines |
-
1990
- 1990-07-05 CA CA002020509A patent/CA2020509C/fr not_active Expired - Fee Related
- 1990-08-06 PH PH40972A patent/PH31471A/en unknown
- 1990-08-08 AU AU60296/90A patent/AU610782B1/en not_active Ceased
- 1990-08-08 AT AT90115225T patent/ATE150027T1/de not_active IP Right Cessation
- 1990-08-08 ES ES90115225T patent/ES2098233T3/es not_active Expired - Lifetime
- 1990-08-08 DK DK90115225.6T patent/DK0416304T3/da active
- 1990-08-08 DZ DZ900148A patent/DZ1439A1/fr active
- 1990-08-08 DE DE69030146T patent/DE69030146T2/de not_active Expired - Fee Related
- 1990-08-08 EP EP90115225A patent/EP0416304B1/fr not_active Expired - Lifetime
- 1990-08-09 KR KR1019900012250A patent/KR0156738B1/ko not_active IP Right Cessation
- 1990-08-09 SK SK3929-90A patent/SK392990A3/sk unknown
- 1990-08-09 HU HU947/90A patent/HU219604B/hu not_active IP Right Cessation
- 1990-08-09 RU SU4831051A patent/RU2102142C1/ru not_active IP Right Cessation
- 1990-08-09 NO NO903516A patent/NO301484B1/no not_active IP Right Cessation
- 1990-08-09 CZ CS903929A patent/CZ283274B6/cs not_active IP Right Cessation
- 1990-08-09 FI FI903952A patent/FI100182B/fi not_active IP Right Cessation
- 1990-08-10 JP JP2213607A patent/JP2735682B2/ja not_active Expired - Fee Related
- 1990-08-10 DD DD90343370A patent/DD299442A5/de unknown
- 1990-08-10 MY MYPI90001342A patent/MY109630A/en unknown
- 1990-08-10 PL PL90286477A patent/PL166803B1/pl unknown
- 1990-09-11 EG EG47590A patent/EG18825A/xx active
-
1996
- 1996-08-20 JP JP8218806A patent/JP2793573B2/ja not_active Expired - Fee Related
-
1997
- 1997-05-16 GR GR970401117T patent/GR3023468T3/el unknown
-
1998
- 1998-04-28 KR KR1019980015040A patent/KR0156842B1/ko not_active IP Right Cessation
Also Published As
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