CN1037679C - 改进的醛化方法 - Google Patents
改进的醛化方法 Download PDFInfo
- Publication number
- CN1037679C CN1037679C CN91110549A CN91110549A CN1037679C CN 1037679 C CN1037679 C CN 1037679C CN 91110549 A CN91110549 A CN 91110549A CN 91110549 A CN91110549 A CN 91110549A CN 1037679 C CN1037679 C CN 1037679C
- Authority
- CN
- China
- Prior art keywords
- aldehyde
- gas
- product
- hydroformylation
- unreacting olefin
- 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 - Lifetime
Links
Images
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C47/00—Compounds having —CHO groups
- C07C47/02—Saturated compounds having —CHO groups bound to acyclic carbon atoms or to hydrogen
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C45/00—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds
- C07C45/78—Separation; Purification; Stabilisation; Use of additives
- C07C45/783—Separation; Purification; Stabilisation; Use of additives by gas-liquid treatment, e.g. by gas-liquid absorption
-
- 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
- B01J31/24—Phosphines, i.e. phosphorus bonded to only carbon atoms, or to both carbon and hydrogen atoms, including e.g. sp2-hybridised phosphorus compounds such as phosphabenzene, phosphole or anionic phospholide ligands
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C45/00—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds
- C07C45/49—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by reaction with carbon monoxide
- C07C45/50—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by reaction with carbon monoxide by oxo-reactions
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C45/00—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds
- C07C45/78—Separation; Purification; Stabilisation; Use of additives
- C07C45/81—Separation; Purification; Stabilisation; Use of additives by change in the physical state, e.g. crystallisation
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Crystallography & Structural Chemistry (AREA)
- Materials Engineering (AREA)
- Engineering & Computer Science (AREA)
- Inorganic Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
- Catalysts (AREA)
- Cyclones (AREA)
- Turning (AREA)
- Shovels (AREA)
- Saccharide Compounds (AREA)
- Production Of Liquid Hydrocarbon Mixture For Refining Petroleum (AREA)
Abstract
Description
Claims (10)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US07/611,081 US5087763A (en) | 1990-11-09 | 1990-11-09 | Hydroformylation process |
US611,081 | 1990-11-09 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1061588A CN1061588A (zh) | 1992-06-03 |
CN1037679C true CN1037679C (zh) | 1998-03-11 |
Family
ID=24447553
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN91110549A Expired - Lifetime CN1037679C (zh) | 1990-11-09 | 1991-11-08 | 改进的醛化方法 |
Country Status (20)
Country | Link |
---|---|
US (1) | US5087763A (zh) |
EP (1) | EP0484976B1 (zh) |
JP (1) | JP2665849B2 (zh) |
KR (1) | KR960004889B1 (zh) |
CN (1) | CN1037679C (zh) |
AT (1) | ATE117667T1 (zh) |
AU (1) | AU636517B2 (zh) |
BR (1) | BR9104838A (zh) |
CA (1) | CA2055217A1 (zh) |
CS (1) | CS339991A3 (zh) |
DE (1) | DE69107017T2 (zh) |
FI (1) | FI915292A (zh) |
HU (1) | HUT61517A (zh) |
MX (1) | MX9101977A (zh) |
NO (1) | NO914370L (zh) |
PL (1) | PL166674B1 (zh) |
RO (1) | RO112274B1 (zh) |
RU (1) | RU2041198C1 (zh) |
YU (1) | YU47455B (zh) |
ZA (1) | ZA918890B (zh) |
Families Citing this family (54)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5463137A (en) * | 1993-09-30 | 1995-10-31 | The Boc Group, Inc. | Process for the production of oxo products |
CA2130387A1 (en) * | 1993-09-30 | 1995-03-31 | Ramakrishnan Ramachandran | Process for the production of oxo products |
US5410091A (en) * | 1994-06-02 | 1995-04-25 | Quimica Oxal C.A. | Rhodium catalyzed oxo process in tubular reactor |
US5756855A (en) * | 1994-08-19 | 1998-05-26 | Union Carbide Chemicals & Plastics Technology Corporation | Stabilization of phosphite ligands in hydroformylation process |
DE19530698A1 (de) * | 1995-08-21 | 1997-02-27 | Basf Ag | Verfahren zur Aufarbeitung eines flüssigen Hydroformylierungsaustrags |
DE10031519A1 (de) * | 2000-06-28 | 2002-01-10 | Basf Ag | Verfahren zur Hydroformylierung von Olefinen mit 2 bis 8 Kohlenstoffatomen, I |
BR0313866A (pt) * | 2002-08-31 | 2005-07-05 | Oxeno Olefinchemie Gmbh | Processo para a hidroformilação de compostos olefinicamente insaturados, especialmente olefinas na presença de ésteres de ácido carbÈnico cìclicos |
CN1970521B (zh) * | 2005-11-23 | 2010-05-05 | 上海焦化有限公司 | 一种分离丙烯氢甲酰化反应产生的混合丁醛与催化剂的方法 |
CN100526279C (zh) * | 2006-04-11 | 2009-08-12 | 中国科学院兰州化学物理研究所 | 连续制备正戊醛的工艺过程 |
WO2010003073A1 (en) | 2008-07-03 | 2010-01-07 | Dow Technology Investments Llc | Process of controlling heavies in a recycle catalyst stream |
CN102311323B (zh) * | 2010-07-09 | 2014-02-12 | 中国石油化工股份有限公司 | 丙烯与合成气羰基合成制备丁醛的方法 |
CN102311321B (zh) * | 2010-07-09 | 2014-01-01 | 中国石油化工股份有限公司 | 由丙烯与合成气制备丁醛的方法 |
CN102311322B (zh) * | 2010-07-09 | 2014-01-01 | 中国石油化工股份有限公司 | 丙烯与合成气制备丁醛的方法 |
CN102115433B (zh) * | 2010-12-06 | 2013-09-11 | 淄博诺奥化工有限公司 | 一种乙烯低压羰基合成生产丙醛的方法 |
CN102030622B (zh) * | 2010-12-09 | 2013-01-16 | 淄博诺奥化工有限公司 | 一种乙烯氢甲酰化合成丙醛的方法 |
CA2858351C (en) * | 2011-12-20 | 2016-11-22 | Dow Technology Investments Llc | A hydroformylation process |
EP2991957B2 (en) | 2013-04-30 | 2020-02-19 | Oxea Corporation | Aldehyde production process with multi-stage condensation |
CN103520944A (zh) * | 2013-07-30 | 2014-01-22 | 天津渤海化工有限责任公司天津碱厂 | 一种贵金属催化剂循环母液的冷却方法 |
WO2015065610A1 (en) | 2013-10-28 | 2015-05-07 | Rohm And Haas Company | Process for separating methacrolein |
CN104725170B (zh) | 2013-12-19 | 2019-08-23 | 陶氏技术投资有限责任公司 | 加氢甲酰化方法 |
RU2724349C2 (ru) | 2016-03-18 | 2020-06-23 | Дау Текнолоджи Инвестментс Ллк | Способ гидроформилирования |
GB201604608D0 (en) * | 2016-03-18 | 2016-05-04 | Johnson Matthey Davy Technologies Ltd | Process |
CN105837421B (zh) * | 2016-04-25 | 2019-02-01 | 张家港市华昌新材料科技有限公司 | 一种压缩机油与丁醛分离的方法 |
CN105753675A (zh) * | 2016-04-28 | 2016-07-13 | 张家港市华昌新材料科技有限公司 | 一种多元醇尾气回收利用的方法 |
RU2619951C1 (ru) * | 2016-06-21 | 2017-05-22 | ФЕДЕРАЛЬНОЕ ГОСУДАРСТВЕННОЕ БЮДЖЕТНОЕ УЧРЕЖДЕНИЕ НАУКИ ИНСТИТУТ ОРГАНИЧЕСКОЙ ХИМИИ им. Н.Д. ЗЕЛИНСКОГО РОССИЙСКОЙ АКАДЕМИИ НАУК (ИОХ РАН) | Двухстадийный способ получения пропионового альдегида |
US10836699B2 (en) | 2017-05-25 | 2020-11-17 | Rohm And Haas Company | Process for preparing methacrolein |
KR102567215B1 (ko) | 2017-05-25 | 2023-08-16 | 롬 앤드 하아스 컴패니 | 메타크롤레인을 제조하는 방법 |
US11365357B2 (en) | 2019-05-24 | 2022-06-21 | Eastman Chemical Company | Cracking C8+ fraction of pyoil |
WO2020242924A1 (en) * | 2019-05-24 | 2020-12-03 | Eastman Chemical Company | Recycle content propionaldehyde |
WO2020247192A1 (en) | 2019-05-24 | 2020-12-10 | Eastman Chemical Company | Recycle content cracked effluent |
US11946000B2 (en) | 2019-05-24 | 2024-04-02 | Eastman Chemical Company | Blend small amounts of pyoil into a liquid stream processed into a gas cracker |
GB201907659D0 (en) | 2019-05-30 | 2019-07-17 | Johnson Matthey Davy Technologies Ltd | Process |
US20220281796A1 (en) * | 2019-07-29 | 2022-09-08 | Eastman Chemical Company | Recycle content (c4)alkanoic acid |
CN114206820B (zh) * | 2019-07-29 | 2024-05-10 | 伊士曼化工公司 | 回收成分(c4)烷醛 |
US11945998B2 (en) | 2019-10-31 | 2024-04-02 | Eastman Chemical Company | Processes and systems for making recycle content hydrocarbons |
US11319262B2 (en) | 2019-10-31 | 2022-05-03 | Eastman Chemical Company | Processes and systems for making recycle content hydrocarbons |
KR20220093368A (ko) | 2019-11-07 | 2022-07-05 | 이스트만 케미칼 컴파니 | 재활용물 알파 올레핀 및 지방 알코올 |
EP4054996A4 (en) * | 2019-11-07 | 2024-03-27 | Eastman Chemical Company | OXOALCOHOLS AND OXOPLASTICIANS WITH RECYCLED CONTENT |
WO2021092309A1 (en) * | 2019-11-07 | 2021-05-14 | Eastman Chemical Company | Recycle content propanol |
CN112830870A (zh) * | 2019-11-25 | 2021-05-25 | 南京延长反应技术研究院有限公司 | 一种由烯烃羰基化制备异构醛的强化反应系统及工艺 |
GB202012930D0 (en) | 2020-08-19 | 2020-09-30 | Johnson Matthey Davy Technologies Ltd | Process for hydroformylation with removal of dissolved hydrogen |
CN113387780A (zh) * | 2021-07-26 | 2021-09-14 | 济南烟港技术咨询有限公司 | 一种液相双级循环铑法丙烯氢甲酰化生产丁醛的方法和系统 |
KR20240089247A (ko) | 2021-10-08 | 2024-06-20 | 다우 글로벌 테크놀로지스 엘엘씨 | 메타크릴산의 생산 방법 |
CN118076578A (zh) | 2021-10-08 | 2024-05-24 | 罗门哈斯公司 | 用于由氧化酯化反应器以副产物较低的方式形成甲基丙烯酸甲酯的方法 |
CN118076575A (zh) | 2021-10-08 | 2024-05-24 | 罗门哈斯公司 | 用于产生甲基丙烯酸甲酯的方法 |
KR20240089248A (ko) | 2021-10-08 | 2024-06-20 | 롬 앤드 하스 캄파니 | 알킬 메타크릴레이트의 생산 방법 |
WO2023059674A1 (en) | 2021-10-08 | 2023-04-13 | Dow Global Technologies Llc | Process for low byproduct formation from an oxidative esterification reactor with base addition |
CA3233792A1 (en) | 2021-10-08 | 2023-04-13 | Kirk W. Limbach | Process for methyl methacrylate production |
WO2023059679A1 (en) | 2021-10-08 | 2023-04-13 | Rohm And Haas Company | Process for methyl methacrylate production from ethanol |
WO2023059673A1 (en) | 2021-10-08 | 2023-04-13 | Rohm And Haas Company | Process for an oxidative esterification reactor |
GB202213997D0 (en) | 2022-09-26 | 2022-11-09 | Johnson Matthey Davy Technologies Ltd | Parallel zone hydroformylation reaction |
WO2024123528A1 (en) | 2022-12-08 | 2024-06-13 | Dow Global Technologies Llc | Process for preparing alkyl methacrylates |
WO2024123530A1 (en) | 2022-12-08 | 2024-06-13 | Rohm And Haas Company | Process for concurrent methyl methacrylate and methacrylic acid production |
GB202307175D0 (en) | 2023-05-15 | 2023-06-28 | Johnson Matthey Davy Technologies Ltd | Process for hydrogenating a substrate |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4210426A (en) * | 1977-11-08 | 1980-07-01 | Chemische Werke Huls Aktiengesellschaft | Process for recovering propene and propene/propane mixtures from the off-gases from the hydroformylation of propene |
US4827043A (en) * | 1988-01-22 | 1989-05-02 | Eastman Kodak Company | Impurity removal from carbon monoxide and/or hydrogen-containing streams |
Family Cites Families (18)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4482748A (en) * | 1967-05-29 | 1984-11-13 | Celanese Corporation | Hydrocarbonylation |
US3527809A (en) * | 1967-08-03 | 1970-09-08 | Union Carbide Corp | Hydroformylation process |
US4148830A (en) * | 1975-03-07 | 1979-04-10 | Union Carbide Corporation | Hydroformylation of olefins |
US4491675A (en) * | 1981-08-17 | 1985-01-01 | Union Carbide Corporation | Hydroformylation process using triarylphosphine and bisphosphine monooxide ligands |
EP0096986B1 (en) * | 1982-06-11 | 1987-04-22 | DAVY McKEE (LONDON) LIMITED | Hydroformylation process |
DE3234701A1 (de) * | 1982-09-18 | 1984-04-05 | Ruhrchemie Ag, 4200 Oberhausen | Verfahren zur herstellung von aldehyden |
DE3301591A1 (de) * | 1983-01-19 | 1984-07-19 | Basf Ag, 6700 Ludwigshafen | Verfahren zur kontinuierlichen hydroformylierung olefinisch ungesaettigter verbindungen |
DE3341035A1 (de) * | 1983-11-12 | 1985-05-23 | Ruhrchemie Ag, 4200 Oberhausen | Verfahren zur herstellung von aldehyden |
US4599206A (en) * | 1984-02-17 | 1986-07-08 | Union Carbide Corporation | Transition metal complex catalyzed reactions |
US4737588A (en) * | 1984-12-28 | 1988-04-12 | Union Carbide Corporation | Transition metal complex catalyzed reactions |
US4593127A (en) * | 1985-01-11 | 1986-06-03 | Union Carbide Corporation | Hydroformylation process |
US4668651A (en) * | 1985-09-05 | 1987-05-26 | Union Carbide Corporation | Transition metal complex catalyzed processes |
DE3532955A1 (de) * | 1985-09-14 | 1987-03-19 | Ruhrchemie Ag | Verfahren zur reinigung von gasen |
US4613701A (en) * | 1985-09-19 | 1986-09-23 | Celanese Corporation | Recovery of rhodium from hydroformylation reaction product |
US4774361A (en) * | 1986-05-20 | 1988-09-27 | Union Carbide Corporation | Transition metal complex catalyzed reactions |
US4716250A (en) * | 1986-07-10 | 1987-12-29 | Union Carbide Corporation | Hydroformylation using low volatile/organic soluble phosphine ligands |
US4731486A (en) * | 1986-11-18 | 1988-03-15 | Union Carbide Corporation | Hydroformylation using low volatile phosphine ligands |
US5001274A (en) * | 1989-06-23 | 1991-03-19 | Union Carbide Chemicals And Plastics Company Inc. | Hydroformylation process |
-
1990
- 1990-11-09 US US07/611,081 patent/US5087763A/en not_active Expired - Lifetime
-
1991
- 1991-11-06 RU SU915010135A patent/RU2041198C1/ru active
- 1991-11-06 BR BR919104838A patent/BR9104838A/pt not_active Application Discontinuation
- 1991-11-08 NO NO91914370A patent/NO914370L/no unknown
- 1991-11-08 YU YU178191A patent/YU47455B/sh unknown
- 1991-11-08 AU AU87703/91A patent/AU636517B2/en not_active Ceased
- 1991-11-08 CS CS913399A patent/CS339991A3/cs unknown
- 1991-11-08 RO RO148709A patent/RO112274B1/ro unknown
- 1991-11-08 CN CN91110549A patent/CN1037679C/zh not_active Expired - Lifetime
- 1991-11-08 EP EP91119090A patent/EP0484976B1/en not_active Expired - Lifetime
- 1991-11-08 KR KR1019910019797A patent/KR960004889B1/ko not_active IP Right Cessation
- 1991-11-08 ZA ZA918890A patent/ZA918890B/xx unknown
- 1991-11-08 PL PL91292328A patent/PL166674B1/pl not_active IP Right Cessation
- 1991-11-08 JP JP3319648A patent/JP2665849B2/ja not_active Expired - Lifetime
- 1991-11-08 MX MX9101977A patent/MX9101977A/es unknown
- 1991-11-08 DE DE69107017T patent/DE69107017T2/de not_active Expired - Lifetime
- 1991-11-08 CA CA002055217A patent/CA2055217A1/en not_active Abandoned
- 1991-11-08 HU HU913517A patent/HUT61517A/hu unknown
- 1991-11-08 AT AT91119090T patent/ATE117667T1/de not_active IP Right Cessation
- 1991-11-08 FI FI915292A patent/FI915292A/fi not_active Application Discontinuation
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4210426A (en) * | 1977-11-08 | 1980-07-01 | Chemische Werke Huls Aktiengesellschaft | Process for recovering propene and propene/propane mixtures from the off-gases from the hydroformylation of propene |
US4827043A (en) * | 1988-01-22 | 1989-05-02 | Eastman Kodak Company | Impurity removal from carbon monoxide and/or hydrogen-containing streams |
Also Published As
Publication number | Publication date |
---|---|
YU178191A (sh) | 1994-04-05 |
ZA918890B (en) | 1992-08-26 |
DE69107017T2 (de) | 1995-05-24 |
RO112274B1 (ro) | 1997-07-30 |
RU2041198C1 (ru) | 1995-08-09 |
JP2665849B2 (ja) | 1997-10-22 |
FI915292A (fi) | 1992-05-10 |
YU47455B (sh) | 1995-03-27 |
NO914370D0 (no) | 1991-11-08 |
KR920009762A (ko) | 1992-06-25 |
KR960004889B1 (ko) | 1996-04-16 |
AU636517B2 (en) | 1993-04-29 |
ATE117667T1 (de) | 1995-02-15 |
CN1061588A (zh) | 1992-06-03 |
HUT61517A (en) | 1993-01-28 |
BR9104838A (pt) | 1992-06-23 |
FI915292A0 (fi) | 1991-11-08 |
DE69107017D1 (de) | 1995-03-09 |
CS339991A3 (en) | 1992-05-13 |
PL292328A1 (en) | 1992-07-27 |
MX9101977A (es) | 1992-07-08 |
JPH04273840A (ja) | 1992-09-30 |
EP0484976B1 (en) | 1995-01-25 |
AU8770391A (en) | 1992-05-14 |
EP0484976A3 (en) | 1992-08-19 |
EP0484976A2 (en) | 1992-05-13 |
NO914370L (no) | 1992-05-11 |
HU913517D0 (en) | 1992-01-28 |
CA2055217A1 (en) | 1992-05-10 |
US5087763A (en) | 1992-02-11 |
PL166674B1 (en) | 1995-06-30 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN1037679C (zh) | 改进的醛化方法 | |
CN1117723C (zh) | 一种醛的制备方法 | |
CN1029124C (zh) | 改进的混合醛产品分离方法 | |
KR830001322B1 (ko) | 하이드로포르밀레이션 방법 | |
KR900008107B1 (ko) | 하이드로포르밀화 공정을 이용한 알데하이드의 제조방법 | |
CN1024789C (zh) | 羰基化方法 | |
KR830001167B1 (ko) | n-발레르 알데히드를 제조하기 위한 하이드로 포르밀레이션 방법 | |
CN1046262C (zh) | 两级羰基化方法 | |
CN1131850C (zh) | 末端醛的制备方法 | |
JPS6335536A (ja) | オレフイン性不飽和化合物の連続的ヒドロホルミル化法 | |
CN1256262A (zh) | 醛的制备方法 | |
US20040054236A1 (en) | Process of producing aldehydes | |
CN1135217C (zh) | 一种经反应蒸馏作用制备和纯化乙酸的方法 | |
JP2001342164A (ja) | アルデヒド類の製造方法 | |
JP4088979B2 (ja) | アルデヒド類の回収方法 | |
CN85101904A (zh) | 从汽化的醛中回收亚磷配位体的方法 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
C15 | Extension of patent right duration from 15 to 20 years for appl. with date before 31.12.1992 and still valid on 11.12.2001 (patent law change 1993) | ||
OR01 | Other related matters | ||
ASS | Succession or assignment of patent right |
Owner name: UNION CARBIDE CHEMICALS AND PLASTICS TECHNOLOGY C Free format text: FORMER OWNER: UNION CARBIDE CORP. Effective date: 20080801 Owner name: UNION CARBIDE CORP. Free format text: FORMER OWNER: UNION CARBIDE CHEMICALS AND PLASTICS CO. LTD. Effective date: 20080801 Owner name: TAOSHI TECHNOLOGY INVESTMENT CO., LTD. Free format text: FORMER OWNER: UNION CARBIDE CHEMICALS AND PLASTICS TECHNOLOGY CO., CO.LTD. Effective date: 20080801 |
|
C41 | Transfer of patent application or patent right or utility model | ||
TR01 | Transfer of patent right |
Effective date of registration: 20080801 Address after: Michigan, USA Patentee after: DOW TECHNOLOGY INVESTMENTS LLC Address before: Michigan, USA Patentee before: UNION CARBIDE CHEMICALS & PLASTICS TECHNOLOGY LLC Effective date of registration: 20080801 Address after: Michigan, USA Patentee after: UNION CARBIDE CHEMICALS & PLASTICS TECHNOLOGY LLC Address before: Texas, USA Patentee before: Union Carbide Corp. Effective date of registration: 20080801 Address after: Texas, USA Patentee after: Union Carbide Corp. Address before: Connecticut, USA Patentee before: Union Carbide Chemicals & Plastics Technology Corp. |
|
C17 | Cessation of patent right | ||
CX01 | Expiry of patent term |
Expiration termination date: 20111108 Granted publication date: 19980311 |