ATE360477T1 - Sauerstoffselektives adsorbens - Google Patents
Sauerstoffselektives adsorbensInfo
- Publication number
- ATE360477T1 ATE360477T1 AT00306096T AT00306096T ATE360477T1 AT E360477 T1 ATE360477 T1 AT E360477T1 AT 00306096 T AT00306096 T AT 00306096T AT 00306096 T AT00306096 T AT 00306096T AT E360477 T1 ATE360477 T1 AT E360477T1
- Authority
- AT
- Austria
- Prior art keywords
- vinylpyricline
- styrene
- bis
- poly
- composition
- Prior art date
Links
- 239000003463 adsorbent Substances 0.000 title abstract 3
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 title abstract 2
- 239000001301 oxygen Substances 0.000 title abstract 2
- 229910052760 oxygen Inorganic materials 0.000 title abstract 2
- 239000002184 metal Substances 0.000 abstract 2
- 229910052751 metal Inorganic materials 0.000 abstract 2
- 239000000203 mixture Substances 0.000 abstract 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 abstract 1
- 150000004696 coordination complex Chemical class 0.000 abstract 1
- 239000007789 gas Substances 0.000 abstract 1
- 150000007530 organic bases Chemical class 0.000 abstract 1
- 229920000642 polymer Polymers 0.000 abstract 1
- 239000011148 porous material Substances 0.000 abstract 1
- 239000000741 silica gel Substances 0.000 abstract 1
- 229910002027 silica gel Inorganic materials 0.000 abstract 1
- 239000007787 solid Substances 0.000 abstract 1
- 238000001179 sorption measurement Methods 0.000 abstract 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D487/00—Heterocyclic compounds containing nitrogen atoms as the only ring hetero atoms in the condensed system, not provided for by groups C07D451/00 - C07D477/00
- C07D487/22—Heterocyclic compounds containing nitrogen atoms as the only ring hetero atoms in the condensed system, not provided for by groups C07D451/00 - C07D477/00 in which the condensed system contains four or more hetero rings
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/02—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by adsorption, e.g. preparative gas chromatography
-
- 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
- B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
- B01J20/22—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising organic material
-
- 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
- B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
- B01J20/22—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising organic material
- B01J20/26—Synthetic macromolecular compounds
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B13/00—Oxygen; Ozone; Oxides or hydroxides in general
- C01B13/02—Preparation of oxygen
- C01B13/0229—Purification or separation processes
- C01B13/0248—Physical processing only
- C01B13/0259—Physical processing only by adsorption on solids
- C01B13/0262—Physical processing only by adsorption on solids characterised by the adsorbent
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C255/00—Carboxylic acid nitriles
- C07C255/01—Carboxylic acid nitriles having cyano groups bound to acyclic carbon atoms
- C07C255/24—Carboxylic acid nitriles having cyano groups bound to acyclic carbon atoms containing cyano groups and singly-bound nitrogen atoms, not being further bound to other hetero atoms, bound to the same saturated acyclic carbon skeleton
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C255/00—Carboxylic acid nitriles
- C07C255/01—Carboxylic acid nitriles having cyano groups bound to acyclic carbon atoms
- C07C255/30—Carboxylic acid nitriles having cyano groups bound to acyclic carbon atoms containing cyano groups and singly-bound nitrogen atoms, not being further bound to other hetero atoms, bound to the same unsaturated acyclic carbon skeleton
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2253/00—Adsorbents used in seperation treatment of gases and vapours
- B01D2253/20—Organic adsorbents
- B01D2253/202—Polymeric adsorbents
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2257/00—Components to be removed
- B01D2257/10—Single element gases other than halogens
- B01D2257/104—Oxygen
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B2210/00—Purification or separation of specific gases
- C01B2210/0043—Impurity removed
- C01B2210/0046—Nitrogen
-
- 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
- Y10S95/00—Gas separation: processes
- Y10S95/90—Solid sorbent
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Analytical Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Inorganic Chemistry (AREA)
- Solid-Sorbent Or Filter-Aiding Compositions (AREA)
- Gas Separation By Absorption (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US14513099P | 1999-07-22 | 1999-07-22 | |
| US09/592,351 US6436171B1 (en) | 1999-07-22 | 2000-06-12 | Oxygen-selective adsorbents |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| ATE360477T1 true ATE360477T1 (de) | 2007-05-15 |
Family
ID=26842689
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| AT00306096T ATE360477T1 (de) | 1999-07-22 | 2000-07-18 | Sauerstoffselektives adsorbens |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US6436171B1 (de) |
| EP (1) | EP1070537B1 (de) |
| AT (1) | ATE360477T1 (de) |
| DE (1) | DE60034514T2 (de) |
Families Citing this family (52)
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|---|---|---|---|---|
| US6989044B2 (en) | 1999-12-10 | 2006-01-24 | Praxair Technology, Inc. | Intermolecularly bound transition element complexes for oxygen-selective adsorption |
| EP1106245A3 (de) * | 1999-12-10 | 2002-09-04 | Praxair Technology, Inc. | Intermolekular verbundene Übergangsmetallkomplexe für die selektive Adsorption von Sauerstoff |
| US6652627B1 (en) * | 2002-10-30 | 2003-11-25 | Velocys, Inc. | Process for separating a fluid component from a fluid mixture using microchannel process technology |
| GB2397067B (en) * | 2002-12-23 | 2005-05-11 | Destiny Pharma Ltd | Porphin & azaporphin derivatives with at least one cationic-nitrogen-containing meso-substituent for use in photodynamic therapy & in vitro sterilisation |
| GB2415372A (en) | 2004-06-23 | 2005-12-28 | Destiny Pharma Ltd | Non photodynamical or sonodynamical antimicrobial use of porphyrins and azaporphyrins containing at least one cationic-nitrogen-containing substituent |
| US8183030B2 (en) | 2006-10-13 | 2012-05-22 | Archer Daniels Midland Company | Use of cell surface displays in yeast cell catalyst supports |
| US8444750B2 (en) | 2007-05-18 | 2013-05-21 | Exxonmobil Research And Engineering Company | Removal of CO2, N2, or H2S from gas mixtures by swing adsorption with low mesoporosity adsorbent contactors |
| US8529662B2 (en) | 2007-05-18 | 2013-09-10 | Exxonmobil Research And Engineering Company | Removal of heavy hydrocarbons from gas mixtures containing heavy hydrocarbons and methane |
| US7959720B2 (en) | 2007-05-18 | 2011-06-14 | Exxonmobil Research And Engineering Company | Low mesopore adsorbent contactors for use in swing adsorption processes |
| US8529663B2 (en) | 2007-05-18 | 2013-09-10 | Exxonmobil Research And Engineering Company | Process for removing a target gas from a mixture of gases by swing adsorption |
| EA025413B1 (ru) * | 2007-11-12 | 2016-12-30 | Эксонмобил Апстрим Рисерч Компани | Способ и система для обработки газового потока |
| WO2009134543A1 (en) | 2008-04-30 | 2009-11-05 | Exxonmobil Upstream Research Company | Method and apparatus for removal of oil from utility gas stream |
| US8268048B2 (en) * | 2008-10-14 | 2012-09-18 | University Of Kansas | Oxygen binding of nanoparticulate metal complexes |
| JP5889288B2 (ja) | 2010-05-28 | 2016-03-22 | エクソンモービル アップストリーム リサーチ カンパニー | 一体型吸着器ヘッド及び弁設計及びこれと関連したスイング吸着法 |
| TWI495501B (zh) | 2010-11-15 | 2015-08-11 | Exxonmobil Upstream Res Co | 動力分餾器及用於氣體混合物之分餾的循環法 |
| WO2012118755A1 (en) | 2011-03-01 | 2012-09-07 | Exxonmobil Upstream Research Company | Apparatus and systems having an encased adsorbent contractor and swing adsorption processes related thereto |
| US9162175B2 (en) | 2011-03-01 | 2015-10-20 | Exxonmobil Upstream Research Company | Apparatus and systems having compact configuration multiple swing adsorption beds and methods related thereto |
| WO2012161828A1 (en) | 2011-03-01 | 2012-11-29 | Exxonmobil Upstream Research Company | Apparatus and systems having a rotary valve assembly and swing adsorption processes related thereto |
| AU2012223486A1 (en) | 2011-03-01 | 2013-08-15 | Exxonmobil Upstream Research Company | Apparatus and systems having a rotary valve assembly and swing adsorption processes related thereto |
| US9034079B2 (en) | 2011-03-01 | 2015-05-19 | Exxonmobil Upstream Research Company | Methods of removing contaminants from hydrocarbon stream by swing adsorption and related apparatus and systems |
| WO2012118757A1 (en) | 2011-03-01 | 2012-09-07 | Exxonmobil Upstream Research Company | Apparatus and systems having a reciprocating valve head assembly and swing adsorption processes related thereto |
| AU2012259377B2 (en) | 2011-03-01 | 2016-12-01 | Exxonmobil Upstream Research Company | Methods of removing contaminants from a hydrocarbon stream by swing adsorption and related apparatus and systems |
| US9034078B2 (en) | 2012-09-05 | 2015-05-19 | Exxonmobil Upstream Research Company | Apparatus and systems having an adsorbent contactor and swing adsorption processes related thereto |
| AU2015294518B2 (en) | 2014-07-25 | 2019-06-27 | Exxonmobil Upstream Research Company | Apparatus and system having a valve assembly and swing adsorption processes related thereto |
| KR20170053682A (ko) | 2014-11-11 | 2017-05-16 | 엑손모빌 업스트림 리서치 캄파니 | 페이스트 임프린트를 통한 고용량 구조체 및 모노리스 |
| SG11201703809RA (en) | 2014-12-10 | 2017-06-29 | Exxonmobil Res & Eng Co | Adsorbent-incorporated polymer fibers in packed bed and fabric contactors, and methods and devices using same |
| JP2018503507A (ja) | 2014-12-23 | 2018-02-08 | エクソンモービル アップストリーム リサーチ カンパニー | 構造化吸着剤塔、その製造方法及びその使用 |
| WO2016186726A1 (en) | 2015-05-15 | 2016-11-24 | Exxonmobil Upstream Research Company | Apparatus and system for swing adsorption processes related thereto |
| US9861929B2 (en) | 2015-05-15 | 2018-01-09 | Exxonmobil Upstream Research Company | Apparatus and system for swing adsorption processes related thereto |
| EP3344371B1 (de) | 2015-09-02 | 2021-09-15 | ExxonMobil Upstream Research Company | Verfahren und system zur druckwechseladsorption mit einem overhead-strom eines demethanizers als spülgas |
| US10124286B2 (en) | 2015-09-02 | 2018-11-13 | Exxonmobil Upstream Research Company | Apparatus and system for swing adsorption processes related thereto |
| EP3368189A1 (de) | 2015-10-27 | 2018-09-05 | Exxonmobil Upstream Research Company | Vorrichtung und system für damit verbundene wechseladsorptionsprozesse mit einer vielzahl an ventilen |
| EA201891043A1 (ru) | 2015-10-27 | 2018-10-31 | Эксонмобил Апстрим Рисерч Компани | Устройство и система для осуществления процессов короткоцикловой адсорбции и способ, относящийся к ним |
| EP3368188A1 (de) | 2015-10-27 | 2018-09-05 | Exxonmobil Upstream Research Company | Vorrichtung und system für damit verbundene wechseladsorptionsprozesse mit einer vielzahl an ventilen |
| CN108883357A (zh) | 2015-11-16 | 2018-11-23 | 埃克森美孚上游研究公司 | 吸附剂材料和吸附二氧化碳的方法 |
| EP3409343B1 (de) * | 2016-01-27 | 2021-04-28 | Sharp Kabushiki Kaisha | Flüssigkeit mit sauerstoffabsorbierender fähigkeit, verfahren zur herstellung davon und komplexe lösung damit |
| US10427088B2 (en) | 2016-03-18 | 2019-10-01 | Exxonmobil Upstream Research Company | Apparatus and system for swing adsorption processes related thereto |
| EP3463620A1 (de) | 2016-05-31 | 2019-04-10 | ExxonMobil Upstream Research Company | Vorrichtung und system für wechseladsorptionsprozesse |
| WO2017209860A1 (en) | 2016-05-31 | 2017-12-07 | Exxonmobil Upstream Research Company | Apparatus and system for swing adsorption processes |
| US10434458B2 (en) | 2016-08-31 | 2019-10-08 | Exxonmobil Upstream Research Company | Apparatus and system for swing adsorption processes related thereto |
| CA3033235C (en) | 2016-09-01 | 2022-04-19 | Exxonmobil Upstream Research Company | Swing adsorption processes for removing water using 3a zeolite structures |
| US10328382B2 (en) | 2016-09-29 | 2019-06-25 | Exxonmobil Upstream Research Company | Apparatus and system for testing swing adsorption processes |
| CA3045034C (en) | 2016-12-21 | 2021-06-29 | Exxonmobil Upstream Research Company | Self-supporting structures having active materials |
| JP7021226B2 (ja) | 2016-12-21 | 2022-02-16 | エクソンモービル アップストリーム リサーチ カンパニー | 発泡幾何構造および活性材料を有する自己支持構造 |
| US11331620B2 (en) | 2018-01-24 | 2022-05-17 | Exxonmobil Upstream Research Company | Apparatus and system for swing adsorption processes |
| WO2019168628A1 (en) | 2018-02-28 | 2019-09-06 | Exxonmobil Upstream Research Company | Apparatus and system for swing adsorption processes |
| CN109225227B (zh) * | 2018-09-12 | 2021-08-31 | 濮阳市盛源能源科技股份有限公司 | 一种用于制备六氢苯酐的有序介孔碳催化剂及其制备方法 |
| WO2020131496A1 (en) | 2018-12-21 | 2020-06-25 | Exxonmobil Upstream Research Company | Flow modulation systems, apparatus, and methods for cyclical swing adsorption |
| EP3962641A1 (de) | 2019-04-30 | 2022-03-09 | Exxonmobil Upstream Research Company (EMHC-N1-4A-607) | Schnellzyklus-adsorptionsbett |
| WO2021071755A1 (en) | 2019-10-07 | 2021-04-15 | Exxonmobil Upstream Research Company | Adsorption processes and systems utilizing step lift control of hydraulically actuated poppet valves |
| EP4045173A1 (de) | 2019-10-16 | 2022-08-24 | Exxonmobil Upstream Research Company (EMHC-N1-4A-607) | Verfahren zur entwässerung mit kationischem zeolith rho |
| CN116351396B (zh) * | 2023-03-29 | 2024-05-14 | 湖北大学 | 一种气体吸附剂的制备方法及应用 |
Family Cites Families (26)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2450276A (en) | 1944-07-07 | 1948-09-28 | Little Inc A | Process for production of oxygen |
| US2508490A (en) | 1946-08-17 | 1950-05-23 | Univ California | Cobalt salicylaldehydeethylenediimine and method of production |
| US4888032A (en) * | 1980-01-23 | 1989-12-19 | The Ohio State University Research Foundation | Salts of cationic-metal dry cave complexes |
| US4654053A (en) * | 1984-07-27 | 1987-03-31 | University Patents, Inc. | Oxygen sorbent |
| US4514522A (en) | 1984-07-27 | 1985-04-30 | University Patents, Inc. | Oxygen sorbent |
| US4948506A (en) | 1986-07-07 | 1990-08-14 | Bend Research, Inc. | Physicochemically functional ultrathin films by interfacial polymerization |
| US4800188A (en) | 1987-03-20 | 1989-01-24 | Hoechst Celanese Corp. | Method for supporting metalloporphyrins on polybenzimidazole porous articles |
| DE3871462D1 (de) * | 1987-08-22 | 1992-07-02 | Agency Ind Science Techn | Membran zur gastrennung. |
| US4952289A (en) * | 1988-05-09 | 1990-08-28 | Aquanautics Corporation | Macrocyclic amine complexes for ligand extraction and generation |
| US6139603A (en) * | 1989-02-22 | 2000-10-31 | L'air Liquide, Societe Anonyme Pour L'etude Et L'exploitation Des Procedes Georges Claude | Process for recovering oxygen |
| JPH0660187B2 (ja) | 1989-06-19 | 1994-08-10 | 財団法人生産開発科学研究所 | ポルフィリン金属錯体 |
| US5114688A (en) * | 1990-01-23 | 1992-05-19 | L'air Liquide, Societe Anonyme Pour L'etude Et Exploitation Des Procedes Georges Claude | Binuclear metal macrocyclic and macrobicyclic complexes for oxygen separation and transport |
| US5266283A (en) | 1990-05-11 | 1993-11-30 | Bend Research, Inc. | Sterically hindered, regenerable Schiff base complexes, solutions thereof and process using the same |
| JPH0657308B2 (ja) | 1990-08-15 | 1994-08-03 | ユニオン・カーバイド・インダストリアル・ガセズ・テクノロジー・コーポレーション | 酸素分離多孔質膜 |
| US5141725A (en) * | 1991-03-15 | 1992-08-25 | Air Products And Chemicals, Inc. | Process using cyanocobaltate complexes for removing oxygen from a stream |
| US5294418A (en) | 1991-03-19 | 1994-03-15 | Air Products And Chemicals, Inc. | Process for reversibly binding oxygen |
| US5208335A (en) | 1991-03-19 | 1993-05-04 | Air Products And Chemicals, Inc. | Reversible oxygen sorbent compositions |
| US5126466A (en) * | 1991-03-19 | 1992-06-30 | Air Products And Chemicals, Inc. | Cyanocobaltate oxygen adducts |
| US6136222A (en) * | 1991-12-11 | 2000-10-24 | Bend Research, Inc. | Liquid absorbent solutions for separating nitrogen from natural gas |
| US5382280A (en) | 1993-11-16 | 1995-01-17 | Air Products And Chemicals, Inc. | Two stage pressure swing adsorption process for producing the less strongly adsorbed component of a feed gas mixture |
| FR2725382B1 (fr) * | 1994-10-05 | 1997-01-03 | Commissariat Energie Atomique | Polyazacycloalcanes, complexes tri-, tetra- ou pentaazamacrocycliques, procede de fabrication de ces polyazacycloalcanes substitues ou non et greffes sur un support et utilisations des polyazacycloalcanes |
| KR100228825B1 (ko) | 1994-11-14 | 1999-11-01 | 조안 엠. 젤사도로시 엠. 보어 | 산소-선택적 흡착제 |
| CA2165709A1 (en) | 1994-12-27 | 1996-06-28 | Tadatoshi Ogawa | Oxygen absorber |
| CA2226810C (en) | 1997-01-15 | 2002-03-26 | Praxair Technology, Inc. | Oxygen selective sorbents |
| US5735938A (en) | 1997-01-15 | 1998-04-07 | Praxair Technology, Inc. | Method for production of nitrogen using oxygen selective adsorbents |
| US5871565A (en) | 1997-01-15 | 1999-02-16 | Praxair Technology, Inc. | Vacuum/pressure swing adsorption (VPSA) for production of an oxygen enriched gas |
-
2000
- 2000-06-12 US US09/592,351 patent/US6436171B1/en not_active Expired - Fee Related
- 2000-07-18 EP EP00306096A patent/EP1070537B1/de not_active Expired - Lifetime
- 2000-07-18 DE DE60034514T patent/DE60034514T2/de not_active Expired - Fee Related
- 2000-07-18 AT AT00306096T patent/ATE360477T1/de not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| DE60034514T2 (de) | 2007-12-27 |
| EP1070537A3 (de) | 2001-11-14 |
| US6436171B1 (en) | 2002-08-20 |
| DE60034514D1 (de) | 2007-06-06 |
| EP1070537B1 (de) | 2007-04-25 |
| EP1070537A2 (de) | 2001-01-24 |
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| Date | Code | Title | Description |
|---|---|---|---|
| RER | Ceased as to paragraph 5 lit. 3 law introducing patent treaties |