BE680954A - - Google Patents

Info

Publication number
BE680954A
BE680954A BE680954DA BE680954A BE 680954 A BE680954 A BE 680954A BE 680954D A BE680954D A BE 680954DA BE 680954 A BE680954 A BE 680954A
Authority
BE
Belgium
Application number
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed filed Critical
Publication of BE680954A publication Critical patent/BE680954A/xx

Links

Classifications

    • 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
    • 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
    • C08F110/00—Homopolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond
    • C08F110/02—Ethene
    • 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
    • C08F210/00—Copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond
    • C08F210/16—Copolymers of ethene with alpha-alkenes, e.g. EP rubbers
    • 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
    • Y10S526/00—Synthetic resins or natural rubbers -- part of the class 520 series
    • Y10S526/902—Monomer polymerized in bulk in presence of transition metal containing catalyst
    • 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
    • Y10S526/00—Synthetic resins or natural rubbers -- part of the class 520 series
    • Y10S526/905—Polymerization in presence of transition metal containing catalyst in presence of hydrogen
    • 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
    • Y10S526/00—Synthetic resins or natural rubbers -- part of the class 520 series
    • Y10S526/912—Reaction medium purification

Landscapes

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Transition And Organic Metals Composition Catalysts For Addition Polymerization (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
BE680954D 1965-05-14 1966-05-12 BE680954A (https=)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US455941A US3324101A (en) 1965-05-14 1965-05-14 Olefin polymerization process and catalyst therefor
US455975A US3324095A (en) 1965-05-14 1965-05-14 Polymerization process

Publications (1)

Publication Number Publication Date
BE680954A true BE680954A (https=) 1966-11-14

Family

ID=27038028

Family Applications (1)

Application Number Title Priority Date Filing Date
BE680954D BE680954A (https=) 1965-05-14 1966-05-12

Country Status (7)

Country Link
US (2) US3324101A (https=)
BE (1) BE680954A (https=)
DE (1) DE1645585C2 (https=)
DK (1) DK130722B (https=)
GB (1) GB1146145A (https=)
NL (2) NL6606632A (https=)
SE (1) SE388863B (https=)

Families Citing this family (112)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3513150A (en) * 1965-11-23 1970-05-19 Mitsubishi Chem Ind Method of manufacturing polyethylene
US3513151A (en) * 1965-12-27 1970-05-19 Owens Illinois Inc Reaction product of metal oxides and hydrocarbylcyclosiloxanes and method of polymerization using same
US3493554A (en) * 1966-06-27 1970-02-03 Nat Distillers Chem Corp Olefin polymerization process employing a chromate catalyst
US3474080A (en) * 1966-06-27 1969-10-21 Nat Distillers Chem Corp Catalytic process for olefin polymerization
US3468865A (en) * 1966-12-23 1969-09-23 Owens Illinois Inc Polymerization and catalysts
US3535297A (en) * 1968-02-14 1970-10-20 Union Carbide Corp Polymerization of ethylene using supported activated chromyl chloride catalysts
DE1926346C3 (de) * 1968-05-25 1985-04-25 Mitsubishi Chemical Industries Ltd., Tokio/Tokyo Verfahren zur Polymerisation von Äthylen oder einer Äthylen/Propylen-Mischung
US3839313A (en) * 1968-10-09 1974-10-01 Montedison Spa Catalysts for the polymerization of olefins
CA995396A (en) * 1971-03-18 1976-08-17 Robert N. Johnson Catalyst modified with strong reducing agent and silane compounds and use in polymerization of olefins
FR2207145B1 (https=) * 1972-11-17 1975-09-12 Naphtachimie Sa
US4020092A (en) * 1973-11-08 1977-04-26 Chemplex Company Compounds bis(tributyltin)chromate and bis(triphenyltin)chromate
US3876554A (en) * 1973-11-08 1975-04-08 Chemplex Co Organotin chromate polymerization catalyst
US3884832A (en) * 1974-02-04 1975-05-20 Chemplex Co Organotin chromate polymerization catalyst
SE392112B (sv) * 1974-04-19 1977-03-14 Unifos Kemi Ab Lagtryckspolyetenkomposition innehallande fosfonsyraderivat
US4053435A (en) * 1975-03-12 1977-10-11 Gulf Research & Development Company Catalysts for the polymerization of ethylene
US3984351A (en) * 1975-03-14 1976-10-05 National Petro Chemicals Corporation Olefin polymerization catalyst
US4192775A (en) * 1975-03-14 1980-03-11 National Petro Chemicals Corporation Olefin polymerization catalyst
US4031298A (en) * 1975-06-30 1977-06-21 Chemplex Company Polymerization catalyst and method
IT1039828B (it) * 1975-07-09 1979-12-10 Montedison Spa Componenti di catalizzatori perla polimerizzazione di olefine e catalizzatori da essi ottenuti
US3956257A (en) * 1975-08-14 1976-05-11 Phillips Petroleum Company Hydrocarbylaluminum hydrocarbyloxide antifouling agent in olefin polymerization process
US4053437A (en) * 1976-03-04 1977-10-11 Chemplex Company Polyolefin catalyst and method for its preparation
US4065612A (en) * 1976-03-30 1977-12-27 Union Carbide Corporation Phenol modified polymerization catalyst and polymerization process
US4100105A (en) * 1977-01-21 1978-07-11 Union Carbide Corporation Titanium-modified silyl chromate catalysts for ethylene polymerization
DE2802763A1 (de) * 1978-01-23 1979-07-26 Hoechst Ag Verfahren zur herstellung eines katalysators
US4297461A (en) * 1979-06-08 1981-10-27 National Petro Chemicals Corp. Olefin polymerization catalyst
US4260706A (en) * 1979-06-21 1981-04-07 National Petro Chemicals Corp. Olefin polymerization catalyst
US4460755A (en) * 1982-09-30 1984-07-17 Union Carbide Corporation Direct conversion of a polymerization reaction catalyzed by a Ziegler-type catalyst into one catalyzed by a chromium-based catalyst
US4806513A (en) * 1984-05-29 1989-02-21 Phillips Petroleum Company Silicon and fluorine-treated alumina containing a chromium catalyst and method of producing same
US4540757A (en) * 1984-10-01 1985-09-10 Phillips Petroleum Company Polymerization and catalyst
US4560733A (en) * 1984-10-01 1985-12-24 Phillips Petroleum Company Polymerization and catalyst
US4803251A (en) 1987-11-04 1989-02-07 Union Carbide Corporation Method for reducing sheeting during polymerization of alpha-olefins
CA2020509C (en) * 1989-08-10 1998-04-28 William K. Reagen Chromium compounds and uses thereof
US5034364A (en) * 1989-11-09 1991-07-23 Mobil Oil Corporation Multiple chromium compound-containing catalyst composition and olefin polymerization therewith
FI902123A7 (fi) * 1990-04-26 1991-10-27 Borealis Holding As Siirtymämetallipohjainen katalyytti olefiinien polymeroimiseksi ja kopolymeroimiseksi, sen valmistus ja käyttö
US5137994A (en) * 1991-05-23 1992-08-11 Union Carbide Chemicals & Plastics Technology Corporation Process for the simultaneous trimerization and copolymerization of ethylene
US5443874A (en) * 1993-05-24 1995-08-22 Mitsubishi Petrochemical Co., Ltd. Hollow multi-layer molding
AU2377900A (en) 1998-12-29 2000-07-31 Chevron Phillips Chemical Company Lp Improved chromate ester catalyst and method of using same to produce high performance polyethylene products
CZ288056B6 (cs) * 1999-04-08 2001-04-11 Polymer Institute Brno, Spol. S R. O. Způsob přípravy kopolymerů ethylenu vhodných pro výrobu fólií nebo trubek
ES2399364T3 (es) * 2002-10-02 2013-03-27 Dow Global Technologies Llc Composiciones poliméricas que comprenden un extendedor de etileno/alfa-olefina homogéneamente ramificado, de baja viscosidad
US20100291334A1 (en) * 2002-12-27 2010-11-18 Univation Technologies, Llc Broad Molecular Weight Polyethylene Having Improved Properties
US6989344B2 (en) * 2002-12-27 2006-01-24 Univation Technologies, Llc Supported chromium oxide catalyst for the production of broad molecular weight polyethylene
US20040167015A1 (en) * 2003-02-26 2004-08-26 Cann Kevin J. Production of broad molecular weight polyethylene
DE602004021787D1 (de) 2003-03-28 2009-08-13 Union Carbide Chem Plastic Katalysatoren basiert auf chrom in einem mineralöl und verfahren zur polymerisation von ethylen
US6982304B2 (en) * 2003-12-22 2006-01-03 Union Carbide Chemicals & Plastics Technology Corporation Blow molding resins with improved ESCR
US7151073B2 (en) * 2004-01-16 2006-12-19 Exxonmobil Chemical Patents Inc. Mesoporous catalyst support, a catalyst system, and method of making and using same for olefin polymerization
WO2006107373A1 (en) * 2005-03-31 2006-10-12 Exxonmobil Chemical Patents Inc. Processes for producing high density polyethylene
EP2004709A1 (en) * 2006-03-31 2008-12-24 Saudi Basic Industries Corporation A process for the preparation of a silylchromate catalyst
WO2010074994A1 (en) 2008-12-22 2010-07-01 Univation Technologies, Llc Systems and methods for fabricating polymers
CN102257018B (zh) 2008-12-22 2013-11-06 尤尼威蒂恩技术有限责任公司 制造聚合物的体系和方法
WO2010080871A1 (en) 2009-01-08 2010-07-15 Univation Technologies, Llc Additive for gas phase polymerization processes
RU2527945C2 (ru) 2009-01-08 2014-09-10 Юнивейшн Текнолоджиз, Ллк Добавка для процессов полимеризации полиолефинов
US20110009577A1 (en) * 2009-07-09 2011-01-13 Union Carbide Chemicals & Plastics Technology Llc Enhanced condensed mode operation in method of producing polyofefins with chromium based catalysts
US8722820B2 (en) 2009-12-07 2014-05-13 Univation Technologies, Llc Methods for reducing static charge of a catalyst and methods for using the catalyst to produce polyolefins
CN102453154B (zh) * 2010-10-22 2013-07-24 中国石油化工股份有限公司 乙烯聚合用有机铬催化剂及其制备方法
CN102627710B (zh) * 2012-04-16 2017-12-29 华东理工大学 一种负载型双中心复合聚乙烯催化剂的制备方法和应用
CN104936994B (zh) * 2012-12-19 2016-12-14 沙特基础工业公司 在甲硅烷基铬酸酯系催化剂的存在下聚合乙烯
MY175467A (en) 2013-11-21 2020-06-29 Univation Tech Llc Method for controlling polyolefin properties during polymerisation
US20170226241A1 (en) 2013-11-28 2017-08-10 Saudi Basic Industries Corporation Chromium-based catalyst component comprising a modified inorganic oxide support
EP3149061B1 (en) 2014-05-27 2019-03-13 SABIC Global Technologies B.V. Process for transitioning between incompatible catalysts
EP3188831B1 (en) 2014-09-02 2020-10-28 Univation Technologies, LLC Polyolefin production with chromium-based catalysts
SG11201701436RA (en) 2014-09-02 2017-03-30 Univation Tech Llc Polyolefin production with chromium-based catalysts
EP3188830B1 (en) 2014-09-02 2021-02-17 Univation Technologies, LLC Polyolefin production with chromium-based catalysts
CA2967399C (en) 2014-11-24 2023-03-28 Univation Technologies, Llc Composition comprising particles
WO2016085842A2 (en) 2014-11-24 2016-06-02 Univation Technologies, Llc Chromium-based catalyst compositions for olefin polymerization
WO2016177643A1 (en) 2015-05-05 2016-11-10 Sabic Global Technologies B.V. Compositions for automotive interior parts
EP3313901B1 (en) 2015-06-23 2019-04-10 SABIC Global Technologies B.V. Polymerisation of ethylene in the presence of a silylchromate based catalyst
CA3012453C (en) 2016-01-29 2023-10-24 Univation Technologies, Llc. Polyolefin film with improved toughness
RU2736067C2 (ru) 2016-04-20 2020-11-11 ЮНИВЕЙШН ТЕКНОЛОДЖИЗ, ЭлЭлСи Модификатор индекса текучести полимера
US11149136B2 (en) 2016-11-08 2021-10-19 Univation Technologies, Llc Bimodal polyethylene
EP3538570B1 (en) 2016-11-08 2022-05-18 Univation Technologies, LLC Polyethylene composition
EP3538569B1 (en) 2016-11-08 2021-12-01 Univation Technologies, LLC Polyethylene composition
EP3545010B1 (en) 2016-11-28 2021-03-31 Univation Technologies, LLC Producing a polyethylene polymer
WO2018111631A1 (en) 2016-12-15 2018-06-21 Univation Technologies, Llc Rating polymerization processes
WO2019046085A1 (en) 2017-08-28 2019-03-07 Univation Technologies, Llc BIMODAL POLYETHYLENE
SG11202002090SA (en) 2017-09-11 2020-04-29 Univation Tech Llc Carbon black-containing bimodal polyethylene composition
CA3079148A1 (en) 2017-10-27 2019-05-02 Univation Technologies, Llc Polyethylene copolymer resins and films
WO2019083715A1 (en) 2017-10-27 2019-05-02 Univation Technologies, Llc SELECTIVE TRANSITION OF POLYMERIZATION PROCESS
US11325928B2 (en) 2017-12-05 2022-05-10 Univation Technologies, Llc Modified spray-dried Ziegler-Natta (pro)catalyst systems
WO2019112927A1 (en) 2017-12-05 2019-06-13 Univation Technologies, Llc Activated spray-dried ziegler-natta catalyst system
ES2978120T3 (es) 2017-12-18 2024-09-05 Dow Global Technologies Llc Sistema de catalizador de circonoceno-titanoceno
BR112020010103B1 (pt) 2017-12-18 2024-01-02 Dow Global Technologies Llc Sistema de catalisador de hafnoceno-titanoceno, método para fazer o sistema de catalisador de hafnocenotitanoceno e método para fazer uma composição de polietileno
WO2019190897A1 (en) 2018-03-26 2019-10-03 Dow Global Technologies Llc Spray-dried zirconocene catalyst system
WO2019190898A1 (en) 2018-03-28 2019-10-03 Univation Technologies, Llc Multimodal polyethylene composition
CA3037503A1 (en) 2018-04-26 2019-10-26 Nova Chemicals Corporation Phosphinimine amido-ether complexes
CA3099703A1 (en) 2018-05-24 2019-11-28 Univation Technologies, Llc Unimodal polyethylene copolymer and film thereof
CA3102426A1 (en) 2018-06-12 2019-12-19 Dow Global Technologies Llc Activator-nucleator formulations
WO2019241044A1 (en) 2018-06-13 2019-12-19 Univation Technologies, Llc Spray-dried ziegler-natta (pro)catalyst systems
SG11202100286QA (en) 2018-07-31 2021-03-30 Univation Tech Llc Unimodal polyethylene copolymer and film thereof
WO2020028229A1 (en) 2018-07-31 2020-02-06 Univation Technologies, Llc Unimodal polyethylene copolymer and film thereof
CN109438593B (zh) * 2018-11-26 2020-09-22 上海化工研究院有限公司 一种生产超高分子量聚烯烃用催化剂及其制备方法和应用
EP3715385B1 (en) 2019-03-26 2024-01-31 SABIC Global Technologies B.V. Chromium oxide catalyst for ethylene polymerization
SG11202113216TA (en) 2019-06-10 2021-12-30 Univation Tech Llc Polyethylene blend
WO2021056284A1 (en) 2019-09-25 2021-04-01 Lenovo (Beijing) Limited Method and apparatus for buffer status report transmissions
BR112022019213A2 (pt) 2020-04-01 2022-11-08 Dow Global Technologies Llc Copolímero de polietileno de baixa densidade linear bimodal, filme, e, método para produzir o copolímero de polietileno de baixa densidade linear bimodal
US12486342B2 (en) 2020-04-21 2025-12-02 Nova Chemicals (International) S.A. Cyclopentadienyl/adamantyl phosphinimine zirconium and hafnium complexes
WO2021214629A1 (en) 2020-04-21 2021-10-28 Nova Chemicals (International) S.A. Cyclopentadienyl/adamantyl phosphinimine titanium complexes
BR112023005552A2 (pt) 2020-09-30 2023-04-25 Univation Tech Llc Composição de copolímero bimodal de poli(etileno-co-1-hexeno), método para produzir a composição de copolímero bimodal de poli(etileno-co-1-hexeno), formulação de polietileno, artigo fabricado, tubulação, e, método para transportar uma substância
EP4359466A1 (en) 2021-06-22 2024-05-01 Equistar Chemicals, LP Polymer recyclate processes and products
CA3262940A1 (en) 2022-08-04 2024-02-08 Equistar Chemicals, Lp RECYCLED POLYETHYLENE BLEND PRODUCTS
CN120418300A (zh) 2022-12-20 2025-08-01 Sabic环球技术有限责任公司 用于聚乙烯聚合的催化剂
EP4638531A1 (en) 2022-12-20 2025-10-29 SABIC Global Technologies B.V. Process for the production of polyethylene
EP4724450A1 (en) 2023-06-08 2026-04-15 Dow Global Technologies LLC Supported olefin polymerization catalysts comprising substituted 2-hydroxythiophene compounds
CN121263422A (zh) 2023-06-08 2026-01-02 陶氏环球技术有限责任公司 包含取代的2-羟基噻吩化合物的负载型烯烃聚合催化剂
WO2024253864A1 (en) 2023-06-08 2024-12-12 Dow Global Technologies Llc Supported olefin polymerization catalysts comprising substituted 2-hydroxythiophene compounds
KR20260021693A (ko) 2023-06-08 2026-02-13 다우 글로벌 테크놀로지스 엘엘씨 치환된 2-히드록시티오펜 화합물을 포함하는 담지 올레핀 중합 촉매
WO2024253862A1 (en) 2023-06-08 2024-12-12 Dow Global Technologies Llc Supported olefin polymerization catalysts comprising substituted 2-hydroxythiophene compounds
WO2024253861A1 (en) 2023-06-08 2024-12-12 Dow Global Technologies Llc Supported olefin polymerization catalysys comprising substituted 2-hydroxythiophene compounds
US20250002698A1 (en) 2023-06-27 2025-01-02 Equistar Chemicals, Lp Polymer recyclate blend product and process
CN119264188A (zh) * 2023-07-04 2025-01-07 中国石油天然气股份有限公司 铬系化合物及其制备方法与应用、苄醇类化合物催化氧化的方法
WO2025165750A1 (en) 2024-01-29 2025-08-07 Equistar Chemicals, Lp Polyethylene recyclate blend products
US20250368812A1 (en) 2024-05-30 2025-12-04 Equistar Chemicals, Lp Polymer recyclate blends and products
US20260028476A1 (en) 2024-07-24 2026-01-29 Equistar Chemicals, Lp Polyethylene blend for caps and closures

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE637740A (https=) *
US2863891A (en) * 1955-03-18 1958-12-09 Little Inc A Metal organo-silyl esters
US2882264A (en) * 1955-10-10 1959-04-14 Dow Chemical Co Polymerization of ethylene
US2981725A (en) * 1955-11-16 1961-04-25 Shell Oil Co Process for polymerizing olefins
US2898328A (en) * 1956-07-10 1959-08-04 Ici Ltd Polymerisation of olefins
NL103354C (https=) * 1957-06-28
NL235501A (https=) * 1959-01-27
US2994711A (en) * 1959-08-10 1961-08-01 Nat Distillers Chem Corp Triorganosiloxymetal oxides
US3046267A (en) * 1959-09-22 1962-07-24 Nat Distillers Chem Corp Catalytic process for polymerizing ethylenically unsaturated hydrocarbons
US3046268A (en) * 1959-09-22 1962-07-24 Nat Distillers Chem Corp Catalytic process for polymerizaing ethylenically unsaturated hydrocarbons
NL128841C (https=) * 1963-06-21

Also Published As

Publication number Publication date
SE388863B (sv) 1976-10-18
NL6606632A (https=) 1966-11-15
US3324095A (en) 1967-06-06
US3324101A (en) 1967-06-06
DE1645585C2 (de) 1983-05-11
GB1146145A (en) 1969-03-19
DK130722B (da) 1975-04-01
DE1645585A1 (de) 1970-07-09
NL135065C (https=)
DK130722C (https=) 1975-09-01

Similar Documents

Publication Publication Date Title
DK130722C (https=)
JPS4319854Y1 (https=)
JPS4322850Y1 (https=)
AU407295B2 (https=)
FR89583E (https=)
FR1562752A (https=)
JPS4320959Y1 (https=)
BE674993A (https=)
BE674757A (https=)
NL6601838A (https=)
BE672331A (https=)
BE663771A (https=)
BE686487A (https=)
BE675221A (https=)
BE675218A (https=)
BE675201A (https=)
BE675151A (https=)
BE675101A (https=)
BE674397A (https=)
BE675073A (https=)
BE675055A (https=)
BE675034A (https=)
BE671506A (https=)
BE665442A (https=)
BE674826A (https=)

Legal Events

Date Code Title Description
RE20 Patent expired

Owner name: UNION CARBIDE CORP.

Effective date: 19860512