BR9812211A - Polioxialquilação direta de glicerina com catalisadores de cianeto de metal duplo - Google Patents

Polioxialquilação direta de glicerina com catalisadores de cianeto de metal duplo

Info

Publication number
BR9812211A
BR9812211A BR9812211-8A BR9812211A BR9812211A BR 9812211 A BR9812211 A BR 9812211A BR 9812211 A BR9812211 A BR 9812211A BR 9812211 A BR9812211 A BR 9812211A
Authority
BR
Brazil
Prior art keywords
molecular weight
low molecular
glycerin
metal cyanide
acid
Prior art date
Application number
BR9812211-8A
Other languages
English (en)
Portuguese (pt)
Inventor
Kenneth G Mcdaniel
John E Hayes
Mark J Perry
Original Assignee
Arco Chem Tech
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=25462600&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=BR9812211(A) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Arco Chem Tech filed Critical Arco Chem Tech
Publication of BR9812211A publication Critical patent/BR9812211A/pt

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G65/00—Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule
    • C08G65/02—Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule from cyclic ethers by opening of the heterocyclic ring
    • C08G65/26—Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule from cyclic ethers by opening of the heterocyclic ring from cyclic ethers and other compounds
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G65/00—Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule
    • C08G65/02—Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule from cyclic ethers by opening of the heterocyclic ring
    • C08G65/26—Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule from cyclic ethers by opening of the heterocyclic ring from cyclic ethers and other compounds
    • C08G65/2642—Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule from cyclic ethers by opening of the heterocyclic ring from cyclic ethers and other compounds characterised by the catalyst used
    • C08G65/2645—Metals or compounds thereof, e.g. salts
    • C08G65/2663—Metal cyanide catalysts, i.e. DMC's
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G65/00—Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule
    • C08G65/02—Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule from cyclic ethers by opening of the heterocyclic ring
    • C08G65/26—Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule from cyclic ethers by opening of the heterocyclic ring from cyclic ethers and other compounds
    • C08G65/2696—Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule from cyclic ethers by opening of the heterocyclic ring from cyclic ethers and other compounds characterised by the process or apparatus used

Landscapes

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Toxicology (AREA)
  • Polyethers (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
BR9812211-8A 1997-09-17 1998-08-25 Polioxialquilação direta de glicerina com catalisadores de cianeto de metal duplo BR9812211A (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US08/932,613 US6077978A (en) 1997-09-17 1997-09-17 Direct polyoxyalkylation of glycerine with double metal cyanide catalysis
PCT/EP1998/005381 WO1999014258A1 (en) 1997-09-17 1998-08-25 Direct polyoxyalkylation of glycerine with double metal cyanide catalysis

Publications (1)

Publication Number Publication Date
BR9812211A true BR9812211A (pt) 2000-07-25

Family

ID=25462600

Family Applications (1)

Application Number Title Priority Date Filing Date
BR9812211-8A BR9812211A (pt) 1997-09-17 1998-08-25 Polioxialquilação direta de glicerina com catalisadores de cianeto de metal duplo

Country Status (16)

Country Link
US (1) US6077978A (enExample)
EP (1) EP1017738B2 (enExample)
JP (1) JP4335437B2 (enExample)
KR (1) KR100555707B1 (enExample)
CN (1) CN1116336C (enExample)
AU (1) AU737141B2 (enExample)
BR (1) BR9812211A (enExample)
CA (1) CA2301210C (enExample)
CZ (1) CZ297812B6 (enExample)
DE (1) DE69804234T3 (enExample)
ES (1) ES2174496T5 (enExample)
ID (1) ID24339A (enExample)
PL (1) PL191179B1 (enExample)
RU (1) RU2245344C2 (enExample)
TW (1) TW397848B (enExample)
WO (1) WO1999014258A1 (enExample)

Families Citing this family (80)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19917897A1 (de) † 1999-04-20 2000-10-26 Basf Ag Verfahren zur Herstellung von Polyurethanen
US6669850B1 (en) * 1999-08-25 2003-12-30 Xerox Corporation Purification process
DE19949092A1 (de) * 1999-10-12 2001-04-19 Basf Ag Verfahren zur Herstellung von Polyetheralkoholen
US6359101B1 (en) 1999-12-15 2002-03-19 Synuthane International, Inc. Preparing polyether polyols with DMC catalysts
DE10001779A1 (de) * 2000-01-18 2001-07-19 Basf Ag Verfahren zur Herstellung von Polyetheralkoholen
CA2400499A1 (en) * 2000-02-28 2001-09-07 Troys Polymers Process for chemical recycling of polyurethane-containing scrap
AU2001255735A1 (en) 2000-04-28 2001-11-12 Synuthane International, Inc. Double metal cyanide catalysts containing polyglycol ether complexing agents
US6491846B1 (en) * 2001-06-21 2002-12-10 Bayer Antwerpen, N.V. Process for the in-situ production of polyol blends, the in-situ produced polyol blends, and their use in the production of viscoelastic foam
US20060183882A1 (en) * 2001-12-21 2006-08-17 Dexheimer Edward M Continuous process for preparation of polyether polyols
DE10205086A1 (de) † 2002-02-07 2003-08-21 Basf Ag Verfahren zur Aktivierung von Doppelmetallcyanid-Verbindungen
US6835801B2 (en) * 2002-07-19 2004-12-28 Bayer Antwerp, N.V. Activated starter mixtures and the processes related thereto
TW200420613A (en) 2003-01-28 2004-10-16 Asahi Glass Co Ltd Polyether polyol composition and use thereof
US7005552B2 (en) 2003-11-03 2006-02-28 Bayer Materialscience Llc Single reactor synthesis of KOH-capped polyols based on DMC-synthesized intermediates
US20050209438A1 (en) * 2004-03-19 2005-09-22 Browne Edward P Starter feed stream acidification in DMC-catalyzed process
US20060229375A1 (en) * 2005-04-06 2006-10-12 Yu-Ling Hsiao Polyurethane foams made with alkoxylated vegetable oil hydroxylate
US20060235100A1 (en) * 2005-04-13 2006-10-19 Kaushiva Bryan D Polyurethane foams made with vegetable oil hydroxylate, polymer polyol and aliphatic polyhydroxy alcohol
CN100358634C (zh) * 2005-08-29 2008-01-02 武汉理工大学 一种金属多配体配合物催化剂及其制备方法
US7323605B2 (en) * 2005-11-09 2008-01-29 Bayer Materialscience Llc Double metal cyanide-catalyzed, low unsaturation polyethers from boron-containing starters
US20080021191A1 (en) * 2006-07-20 2008-01-24 Reese Jack R High water content tolerant process for the production of polyethers
DE102007057147A1 (de) 2007-11-28 2009-06-04 Evonik Goldschmidt Gmbh Verfahren zur Alkoxylierung mit DMC-Katalysatoren im Schlaufenreaktor mit Strahlsauger
DE102007057145A1 (de) 2007-11-28 2009-06-04 Evonik Goldschmidt Gmbh Verfahren zur Herstellung von Polyetheralkoholen mit DMC-Katalysatoren unter Verwendung von SiH-Gruppen tragenden Verbindungen als Additive
DE102007057146A1 (de) 2007-11-28 2009-06-04 Evonik Goldschmidt Gmbh Verfahren zur Herstellung von Polyetheralkoholen mit DMC-Katalysatoren unter Verwendung von speziellen Additiven mit aromatischer Hydroxy-Funktionalisierung
DE102008000360A1 (de) 2008-02-21 2009-08-27 Evonik Goldschmidt Gmbh Neue Alkoxysilylgruppen tragende Polyetheralkohole durch Alkoxylierung epoxidfunktioneller Alkoxysilane an Doppelmetallcyanid (DMC)-Katalysatoren, sowie Verfahren zu deren Herstellung
DE102008000903A1 (de) 2008-04-01 2009-10-08 Evonik Goldschmidt Gmbh Neue Organosiloxangruppen tragende Polyetheralkohole durch Alkoxylierung epoxidfunktioneller (Poly)Organosiloxane an Doppelmetallcyanid (DMC)-Katalysatoren, sowie Verfahren zu deren Herstellung
DE102008002713A1 (de) 2008-06-27 2009-12-31 Evonik Goldschmidt Gmbh Neue Polyethersiloxane enthaltende Alkoxylierungsprodukte durch direkte Alkoxylierung organomodifizierter alpha, omega-Dihydroxysiloxane an Doppelmetallcyanid (DMC)-Katalysatoren, sowie Verfahren zu deren Herstellung
DE102009002371A1 (de) 2009-04-15 2010-10-21 Evonik Goldschmidt Gmbh Verfahren zur Herstellung von geruchlosen Polyetheralkoholen mittels DMC-Katalysatoren und deren Verwendung in kosmetischen und/oder dermatologischen Zubereitungen
US20100324340A1 (en) * 2009-06-23 2010-12-23 Bayer Materialscience Llc Short chain polyether polyols prepared from ultra-low water-content starters via dmc catalysis
CN102574978B (zh) * 2009-09-07 2014-10-01 国际壳牌研究有限公司 制备聚氨酯泡沫的方法
MX2012003697A (es) 2009-09-30 2012-04-19 Basf Se Polimeros alcoxilados.
AU2010304291A1 (en) * 2009-10-05 2012-05-03 Asahi Glass Company, Limited Polyethers and method for producing the same
US9074044B2 (en) 2009-12-14 2015-07-07 Dow Global Technologies Llc Method for continuously producing low equivalent weight polyols using double metal cyanide catalysts
WO2011160296A1 (en) 2010-06-23 2011-12-29 Basf Se Modified double metal cyanide catalyst
GB2482176A (en) * 2010-07-23 2012-01-25 Christopher Wickham Noakes Production of polyols for use in low ball rebound polyurethane foams
DE102010038774A1 (de) 2010-08-02 2012-02-02 Evonik Goldschmidt Gmbh Modifizierte Alkoxylierungsprodukte, die zumindest eine nicht-terminale Alkoxysilylgruppe aufweisen, mit erhöhter Lagerstabilität und erhöhter Dehnbarkeit der unter deren Verwendung hergestellten Polymere
DE102010038768A1 (de) 2010-08-02 2012-02-02 Evonik Goldschmidt Gmbh Modifizierte Alkoxylierungsprodukte mit mindestens einer nicht-terminalen Alkoxysilylgruppe mit erhöhter Lagerstabilität und erhöhter Dehnbarkeit der unter deren Verwendung hergestellten Polymere
WO2012084760A1 (de) 2010-12-20 2012-06-28 Bayer Materialscience Ag Verfahren zur herstellung von polyetheresterpolyolen
BR112013015393A2 (pt) 2010-12-20 2016-09-20 Bayer Ip Gmbh método para a preparação de poliéter polióis
US9040657B2 (en) 2010-12-27 2015-05-26 Dow Global Technologies Llc Alkylene oxide polymerization using a double metal cyanide catalyst complex and a magnesium, Group 3-Group 15 metal or lanthanide series metal compound
KR101404702B1 (ko) 2011-03-08 2014-06-17 에스케이이노베이션 주식회사 에테르 결합 단위체를 함유한 이산화탄소/에폭사이드 공중합체의 제조 방법
CN103476829B (zh) 2011-03-31 2016-01-20 陶氏环球技术有限责任公司 利用超酸和双金属氰化物催化剂生产短链多官能聚醚多元醇的方法
JP6373756B2 (ja) 2011-06-30 2018-08-15 バイエル・インテレクチュアル・プロパティ・ゲゼルシャフト・ミット・ベシュレンクテル・ハフツングＢａｙｅｒ Ｉｎｔｅｌｌｅｃｔｕａｌ Ｐｒｏｐｅｒｔｙ ＧｍｂＨ 高分子量ポリエーテルポリオールの製造方法
EP2543689B1 (en) 2011-07-04 2016-08-10 Repsol, S.A. Continuous method for the synthesis of polyols
US9826734B2 (en) 2011-07-26 2017-11-28 Clariant International Ltd. Etherified lactate esters, method for the production thereof and use thereof for enhancing the effect of plant protecting agents
DE102012203737A1 (de) 2012-03-09 2013-09-12 Evonik Goldschmidt Gmbh Modifizierte Alkoxylierungsprodukte, die zumindest eine nicht-terminale Alkoxysilylgruppe aufweisen und mehrere Urethangruppen enthalten und deren Verwendung
US20130289150A1 (en) 2012-04-26 2013-10-31 Bayer Materialscience Ag Viscoelastic polyurethane foams
EP2671893A1 (de) 2012-06-06 2013-12-11 Bayer MaterialScience AG Verfahren zur Herstellung von Omega-Hydroxy-Aminopolymeren
US10358404B2 (en) 2012-06-21 2019-07-23 Covestro Llc Process for the production of low molecular weight impact polyethers
US9890100B2 (en) 2013-03-14 2018-02-13 Covestro Llc Continuous process for the production of low molecular weight polyethers with a DMC catalyst
US10669368B2 (en) 2013-03-15 2020-06-02 Covestro Llc Method to increase the resistance of double metal cyanide catalysts to deactivation
DE102013216751A1 (de) 2013-08-23 2015-02-26 Evonik Industries Ag Modifizierte Alkoxylierungsprodukte, die Alkoxysilylgruppen aufweisen und Urethangruppen enthalten und deren Verwendung
CN105579491B (zh) 2013-09-27 2018-07-24 陶氏环球技术有限责任公司 用于制造聚(环氧丁烷)多元醇的方法
EP2876121A1 (de) 2013-11-22 2015-05-27 Bayer MaterialScience AG Einsatz von Urethan-Alkoholen zur Herstellung von Polyetherpolyolen
ES2854278T3 (es) 2015-03-31 2021-09-21 Dow Global Technologies Llc Formulaciones de espuma semiflexible
US10766997B2 (en) 2015-03-31 2020-09-08 Dow Global Technologies Llc Polyether polyol compositions
EP3098251A1 (de) 2015-05-26 2016-11-30 Covestro Deutschland AG Einsatz von alkoholen, die mindestens zwei urethangruppen enthalten, zur herstellung von polyetherpolyolen
AR104981A1 (es) 2015-06-20 2017-08-30 Dow Global Technologies Llc Proceso continuo para producir polioles de poliéter que tienen un elevado contenido de óxido de etileno polimerizado, mediante el uso de un complejo catalizador de cianuro de metal doble y un compuesto metálico de la serie de lantanida o metal del grupo 3 - grupo 15, magnesio
JP2018519397A (ja) 2015-07-02 2018-07-19 コベストロ、リミテッド、ライアビリティ、カンパニーＣｏｖｅｓｔｒｏ Ｌｌｃ Ｄｍｃ触媒およびスターターの連続的添加を使用したポリエーテルポリオールの製造方法
US10626212B2 (en) 2015-07-06 2020-04-21 Dow Global Technologies Llc Polyurethane prepolymers
US10457775B2 (en) 2015-08-26 2019-10-29 Covestro Deutschland Ag Method for producing high molecular weight polyoxyalkylene polyols
EP3138865A1 (de) 2015-09-07 2017-03-08 Basf Se Verfahren zur herstellung von polyetherpolyolen
US9879114B2 (en) 2015-12-22 2018-01-30 Covestro Llc Process for the production of low molecular weight polyoxyalkylene polyols
SG11201809538TA (en) 2016-05-13 2018-11-29 Covestro Deutschland Ag Method for the preparation of polyoxyalkylene polyols
US10258953B2 (en) 2016-08-05 2019-04-16 Covestro Llc Systems and processes for producing polyether polyols
EP3622003B1 (en) 2017-05-10 2024-11-27 Dow Global Technologies LLC Polyether polymerization process
JP7266025B2 (ja) 2017-09-15 2023-04-27 ダウ グローバル テクノロジーズ エルエルシー ポリエーテルポリオールを作製するための連続プロセス
CN109762123A (zh) * 2017-11-09 2019-05-17 山东蓝星东大有限公司 聚酯醚二醇及制法和由其制备的聚氨酯弹性体及制法
JP6510098B1 (ja) * 2018-02-14 2019-05-08 Ａｇｃ株式会社 ポリウレタンフォーム製造用組成物、ポリオールシステム液及びポリウレタンフォームの製造方法
WO2020062816A1 (zh) 2018-09-29 2020-04-02 杭州普力材料科技有限公司 一种混合酸改性的锌钴双金属氰化物催化剂及其制备方法
US10738155B2 (en) 2018-12-19 2020-08-11 Covestro Llc Product-to-product process for preparation of low viscosity polyoxyalkylene polyols
US10961347B2 (en) 2018-12-19 2021-03-30 Covestro Llc Process for preparing polyoxyalkylene polyols by the continuous addition of starter
US10723829B2 (en) 2018-12-19 2020-07-28 Covestro Llc Product-to-product process for preparation of low viscosity polyoxyalkylene polyols
CN113195591B (zh) 2018-12-21 2024-05-07 陶氏环球技术有限责任公司 聚醚聚合方法
EP3931235B1 (en) 2019-02-28 2023-09-13 Dow Global Technologies LLC Polyether polymerization process
US10723830B1 (en) 2019-03-28 2020-07-28 Covestro Llc Product-to-product process for preparation of low viscosity polyoxyalkylene polyether polyols
EP3747927A1 (de) 2019-06-05 2020-12-09 Covestro Deutschland AG Verfahren zur kontinuierlichen herstellung von polyoxyalkylenpolyolen
EP4461762A1 (de) 2023-05-11 2024-11-13 Covestro Deutschland AG Verfahren zur herstellung einer mischung enthaltend ein polyoxyalkylenpolyol; mischung und verbindungen erhältlich aus dem verfahren
WO2025128194A1 (en) 2023-12-15 2025-06-19 Dow Global Technologies Llc Viscoelastic polyurethane foam and method of making
WO2025128192A1 (en) 2023-12-15 2025-06-19 Dow Global Technologies Llc High-resiliency polyurethane foam and method of making
WO2025128193A1 (en) 2023-12-15 2025-06-19 Dow Global Technologies Llc Hypersoft polyurethane foam and method of making
KR102876422B1 (ko) * 2024-10-28 2025-10-27 금강침대 주식회사 대두기반 폴리올을 이용한 친환경 침대용 매트리스 폼의 제조방법

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2578816A (en) * 1949-03-07 1951-12-18 Swift & Co Glycerin refining
AU552988B2 (en) * 1982-03-31 1986-06-26 Shell Internationale Research Maatschappij B.V. Polymerizing epoxides and catalyst suspensions for this
US4987271A (en) * 1989-02-17 1991-01-22 Asahi Glass Company, Ltd. Method for purifying a polyoxyalkylene alcohol
US5391722A (en) * 1990-03-30 1995-02-21 Olin Corporation Acid-catalyzed fabrication of precursors for use in making polyols using double metal cyanide catalysts
WO1991018909A1 (en) * 1990-03-30 1991-12-12 Olin Corporation Process for removing double metal cyanide complex catalyst residues from catalyst-residue containing polyols
US5144093A (en) * 1991-04-29 1992-09-01 Olin Corporation Process for purifying and end-capping polyols made using double metal cyanide catalysts
EP0677543B2 (en) * 1994-04-12 2006-11-15 Mitsui Chemicals, Inc. Preparation of polyoxyalkylene polyols, polymer polyols and flexible polyurethane foams
US5679764A (en) * 1995-11-06 1997-10-21 Arco Chemical Technology, L.P. Process of oxyalkylation employing solid, heterogeneous MgO catalyst
RU2173215C2 (ru) * 1996-01-19 2001-09-10 Арко Кемикал Текноледжи Л.П. Улучшенные двойные металлоцианидные катализаторы и способы их получения
US5777177A (en) * 1996-02-07 1998-07-07 Arco Chemical Technology, L.P. Preparation of double metal cyanide-catalyzed polyols by continuous addition of starter
US5689012A (en) * 1996-07-18 1997-11-18 Arco Chemical Technology, L.P. Continuous preparation of low unsaturation polyoxyalkylene polyether polyols with continuous additon of starter

Also Published As

Publication number Publication date
TW397848B (en) 2000-07-11
WO1999014258A1 (en) 1999-03-25
DE69804234T2 (de) 2002-09-19
CA2301210C (en) 2008-10-28
PL191179B1 (pl) 2006-03-31
ES2174496T3 (es) 2002-11-01
KR100555707B1 (ko) 2006-03-03
CA2301210A1 (en) 1999-03-25
KR20010024062A (ko) 2001-03-26
EP1017738B2 (en) 2005-07-27
ID24339A (id) 2000-07-13
PL339267A1 (en) 2000-12-04
EP1017738A1 (en) 2000-07-12
RU2245344C2 (ru) 2005-01-27
DE69804234T3 (de) 2006-05-24
EP1017738B1 (en) 2002-03-13
HK1029799A1 (en) 2001-04-12
US6077978A (en) 2000-06-20
ES2174496T5 (es) 2006-02-01
CN1270607A (zh) 2000-10-18
CN1116336C (zh) 2003-07-30
JP2001516782A (ja) 2001-10-02
JP4335437B2 (ja) 2009-09-30
CZ297812B6 (cs) 2007-04-04
AU9739098A (en) 1999-04-05
CZ2000970A3 (cs) 2000-11-15
AU737141B2 (en) 2001-08-09
DE69804234D1 (de) 2002-04-18

Similar Documents

Publication Publication Date Title
BR9812211A (pt) Polioxialquilação direta de glicerina com catalisadores de cianeto de metal duplo
BR9813034A (pt) Catalisadores de cianeto de metal duplo cristalinos para a preparação de poliéter-polióis
BR9900001A (pt) Artigo absorvente descartável
FR2372912A2 (fr) Fibres de cellulose dans lesquelles sont incorpores des polymerisats acryliques, possedant un pouvoir d'absorption eleve
MX193052B (es) Procedimiento para la preparacion de compuestos alcoxilados con utilizacion de compuestos esteres como catalizadores.
AR244988A1 (es) Toalla higienica que se fija a la ropa interior de la usuaria.
BR9915553A (pt) Amidas de ácido antranìlico e seu emprego como medicamento
BR9916211A (pt) Derivados de 3,4-diamino-3-ciclobuteno-1,2-diona que inibem adesão de leucócito mediada por vla-4
MX165671B (es) Toalla sanitaria flexible delgada
AR033161A1 (es) Producto absorbente
AR033163A1 (es) Producto absorbente
SE0101391D0 (sv) Absorberande alster med förbättrad passform
BR9912607A (pt) Catalisadores de cianeto bimetálico para a preparação de polieterpolióis
SE0104085L (sv) Absorberande alster med förbättrad passform
PE20001313A1 (es) Articulos absorbentes desechables con adhesivo mejorado para fijar a la piel para facilitar la estabilidad de adhesion en agua con remocion de bajo nivel de dolor
YU140691A (sh) Adsorbenti povećane specifične površine
ES2037637T3 (es) Polimero reticulado, absorbente de agua, y su utilizacion para la fabricacion de articulos higienicos.
ES8608884A1 (es) Un procedimiento de eliminacion del virus lav.
BR0010302A (pt) Catalisadores de cianeto metálico duplo para a produção de polieterpolióis
TR199802270A2 (xx) S�lfonamid-ikame etmi� anelize 5-halka-bile�ikleri.
HN2001000204A (es) Amidas de acido fenilciclohexanocarboxilico sustituido y su uso
ES2142552T3 (es) Purificacion del pentafluoretano.
ES2173968T3 (es) Compuesto oxidente heterociclico de tres ciclos fusinados.
SU939631A1 (ru) Преобразователь скоростной структуры потока
BR0109345A (pt) Compostos com atividade anti-hiv

Legal Events

Date Code Title Description
B07A Application suspended after technical examination (opinion) [chapter 7.1 patent gazette]
B09A Decision: intention to grant [chapter 9.1 patent gazette]
B16A Patent or certificate of addition of invention granted [chapter 16.1 patent gazette]

Free format text: PRAZO DE VALIDADE: 20 (VINTE) ANOS CONTADOS A PARTIR DE 25/08/1998, OBSERVADAS AS CONDICOES LEGAIS.

B25D Requested change of name of applicant approved

Owner name: LYONDELL CHEMICAL TECHNOLOGY MANAGEMENT, INC. (US)

Free format text: ALTERADO DE: ARCO CHEMICAL TECHNOLOGY, L.P.

B21F Lapse acc. art. 78, item iv - on non-payment of the annual fees in time

Free format text: REFERENTE A 18A ANUIDADE.

B24J Lapse because of non-payment of annual fees (definitively: art 78 iv lpi, resolution 113/2013 art. 12)

Free format text: EM VIRTUDE DA EXTINCAO PUBLICADA NA RPI 2385 DE 20-09-2016 E CONSIDERANDO AUSENCIA DE MANIFESTACAO DENTRO DOS PRAZOS LEGAIS, INFORMO QUE CABE SER MANTIDA A EXTINCAO DA PATENTE E SEUS CERTIFICADOS, CONFORME O DISPOSTO NO ARTIGO 12, DA RESOLUCAO 113/2013.