BR0201089B1 - catalisadores de amina bloqueada com Ácido e processo para preparaÇço de poliuretana. - Google Patents

catalisadores de amina bloqueada com Ácido e processo para preparaÇço de poliuretana.

Info

Publication number
BR0201089B1
BR0201089B1 BRPI0201089-5A BR0201089A BR0201089B1 BR 0201089 B1 BR0201089 B1 BR 0201089B1 BR 0201089 A BR0201089 A BR 0201089A BR 0201089 B1 BR0201089 B1 BR 0201089B1
Authority
BR
Brazil
Prior art keywords
sub
amine catalysts
amine
blocked amine
preparing polyurethane
Prior art date
Application number
BRPI0201089-5A
Other languages
English (en)
Other versions
BR0201089A (pt
Inventor
Stephan Hermann Wendel
R Fard-Aghaie
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 BR0201089A publication Critical patent/BR0201089A/pt
Publication of BR0201089B1 publication Critical patent/BR0201089B1/pt

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08GMACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G65/00Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule
    • C08G65/02Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule from cyclic ethers by opening of the heterocyclic ring
    • C08G65/32Polymers modified by chemical after-treatment
    • C08G65/329Polymers modified by chemical after-treatment with organic compounds
    • C08G65/333Polymers modified by chemical after-treatment with organic compounds containing nitrogen
    • C08G65/33303Polymers modified by chemical after-treatment with organic compounds containing nitrogen containing amino group
    • C08G65/33306Polymers modified by chemical after-treatment with organic compounds containing nitrogen containing amino group acyclic
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08GMACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G18/00Polymeric products of isocyanates or isothiocyanates
    • C08G18/06Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
    • C08G18/08Processes
    • C08G18/16Catalysts
    • C08G18/18Catalysts containing secondary or tertiary amines or salts thereof
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08GMACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G18/00Polymeric products of isocyanates or isothiocyanates
    • C08G18/06Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
    • C08G18/08Processes
    • C08G18/16Catalysts
    • C08G18/18Catalysts containing secondary or tertiary amines or salts thereof
    • C08G18/1875Catalysts containing secondary or tertiary amines or salts thereof containing ammonium salts or mixtures of secondary of tertiary amines and acids
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08GMACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G18/00Polymeric products of isocyanates or isothiocyanates
    • C08G18/06Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
    • C08G18/28Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
    • C08G18/40High-molecular-weight compounds
    • C08G18/48Polyethers
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08GMACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G18/00Polymeric products of isocyanates or isothiocyanates
    • C08G18/06Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
    • C08G18/70Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the isocyanates or isothiocyanates used
    • C08G18/72Polyisocyanates or polyisothiocyanates
    • C08G18/74Polyisocyanates or polyisothiocyanates cyclic
    • C08G18/76Polyisocyanates or polyisothiocyanates cyclic aromatic
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08GMACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G18/00Polymeric products of isocyanates or isothiocyanates
    • C08G18/06Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
    • C08G18/70Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the isocyanates or isothiocyanates used
    • C08G18/72Polyisocyanates or polyisothiocyanates
    • C08G18/74Polyisocyanates or polyisothiocyanates cyclic
    • C08G18/76Polyisocyanates or polyisothiocyanates cyclic aromatic
    • C08G18/7614Polyisocyanates or polyisothiocyanates cyclic aromatic containing only one aromatic ring
    • C08G18/7621Polyisocyanates or polyisothiocyanates cyclic aromatic containing only one aromatic ring being toluene diisocyanate including isomer mixtures
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08GMACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G18/00Polymeric products of isocyanates or isothiocyanates
    • C08G18/06Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
    • C08G18/70Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the isocyanates or isothiocyanates used
    • C08G18/72Polyisocyanates or polyisothiocyanates
    • C08G18/74Polyisocyanates or polyisothiocyanates cyclic
    • C08G18/76Polyisocyanates or polyisothiocyanates cyclic aromatic
    • C08G18/7657Polyisocyanates or polyisothiocyanates cyclic aromatic containing two or more aromatic rings
    • C08G18/7664Polyisocyanates or polyisothiocyanates cyclic aromatic containing two or more aromatic rings containing alkylene polyphenyl groups
    • C08G18/7671Polyisocyanates or polyisothiocyanates cyclic aromatic containing two or more aromatic rings containing alkylene polyphenyl groups containing only one alkylene bisphenyl group
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08GMACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G65/00Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule
    • C08G65/02Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule from cyclic ethers by opening of the heterocyclic ring
    • C08G65/32Polymers modified by chemical after-treatment
    • C08G65/329Polymers modified by chemical after-treatment with organic compounds
    • C08G65/331Polymers modified by chemical after-treatment with organic compounds containing oxygen
    • C08G65/332Polymers modified by chemical after-treatment with organic compounds containing oxygen containing carboxyl groups, or halides, or esters thereof
    • C08G65/3324Polymers modified by chemical after-treatment with organic compounds containing oxygen containing carboxyl groups, or halides, or esters thereof cyclic
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08GMACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G65/00Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule
    • C08G65/02Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule from cyclic ethers by opening of the heterocyclic ring
    • C08G65/32Polymers modified by chemical after-treatment
    • C08G65/329Polymers modified by chemical after-treatment with organic compounds
    • C08G65/333Polymers modified by chemical after-treatment with organic compounds containing nitrogen
    • C08G65/33396Polymers modified by chemical after-treatment with organic compounds containing nitrogen having oxygen in addition to nitrogen
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08GMACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G2110/00Foam properties
    • C08G2110/0008Foam properties flexible
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08GMACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G2110/00Foam properties
    • C08G2110/0041Foam properties having specified density
    • C08G2110/005< 50kg/m3
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08GMACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G2110/00Foam properties
    • C08G2110/0083Foam properties prepared using water as the sole blowing agent

Landscapes

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Polyurethanes Or Polyureas (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Catalysts (AREA)
  • Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
BRPI0201089-5A 2001-04-11 2002-04-05 catalisadores de amina bloqueada com Ácido e processo para preparaÇço de poliuretana. BR0201089B1 (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US09/832,502 US6432864B1 (en) 2001-04-11 2001-04-11 Acid-blocked amine catalysts for the production of polyurethanes

Publications (2)

Publication Number Publication Date
BR0201089A BR0201089A (pt) 2003-05-27
BR0201089B1 true BR0201089B1 (pt) 2011-06-14

Family

ID=25261836

Family Applications (1)

Application Number Title Priority Date Filing Date
BRPI0201089-5A BR0201089B1 (pt) 2001-04-11 2002-04-05 catalisadores de amina bloqueada com Ácido e processo para preparaÇço de poliuretana.

Country Status (12)

Country Link
US (2) US6432864B1 (pt)
EP (1) EP1249461B1 (pt)
JP (1) JP3992226B2 (pt)
KR (1) KR100479534B1 (pt)
CN (1) CN1232556C (pt)
AT (1) ATE278725T1 (pt)
BR (1) BR0201089B1 (pt)
DE (1) DE60201456T2 (pt)
DK (1) DK1249461T3 (pt)
ES (1) ES2225678T3 (pt)
MX (1) MXPA02003535A (pt)
PT (1) PT1249461E (pt)

Families Citing this family (44)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20020190862A1 (en) * 2001-06-15 2002-12-19 3M Innovative Properties Company Methods of managing the transfer, use, and importation of data
US6818675B2 (en) * 2002-08-06 2004-11-16 General Electric Company Process for preparing polyurethane foam
US6998508B2 (en) * 2003-03-10 2006-02-14 Air Products And Chemicals, Inc. Tertiary alkanolamines containing surface active alkyl groups
US7169823B2 (en) * 2003-03-10 2007-01-30 Air Products And Chemicals, Inc. Tertiary alkanolamine polyurethane catalysts derived from long chain alkyl and fatty carboxylic acids
BRPI0400698A (pt) * 2003-03-10 2005-01-11 Air Prod & Chem Composto de alcanolaminas terciárias
US6831110B2 (en) 2003-04-01 2004-12-14 Bayer Polymers Llc Rigid, dimensionally stable polyurethane foams and a process for the production of such foams in which the foam pressure is reduced
US20050131136A1 (en) 2003-12-16 2005-06-16 Rosthauser James W. Soft polyurethaneurea spray elastomers with improved abrasion resistance
KR20070004070A (ko) * 2004-04-30 2007-01-05 다우 글로벌 테크놀로지스 인크. 숙성 특성이 개선된 저밀도 폴리우레탄 발포체를 위한자기촉매 폴리올의 조촉매반응
JP2008509247A (ja) * 2004-08-04 2008-03-27 フォーム・サプライズ・インコーポレイテッド ポリウレタンフォームにおける反応性ドリフトおよび触媒分解
US8501828B2 (en) * 2004-08-11 2013-08-06 Huntsman Petrochemical Llc Cure rebond binder
CA2482003A1 (fr) 2004-10-12 2006-04-12 Hydro-Quebec Melange ternaire polymere - sel fondu - solvant, procede de fabrication et utilisation dans les systemes electrochimiques
CA2534276A1 (fr) 2006-01-26 2007-07-26 Hydro Quebec Melange cobroye d'un materiau actif et d'un materiau de conduction, ses procedes de preparation et ses applications
US20080076843A1 (en) * 2006-09-21 2008-03-27 General Electric Company Polyurethane foam composition possessing modified silicone surfactants
US7678840B2 (en) 2006-11-28 2010-03-16 Bayer Materialscience Llc Reduction of MDI emissions in cavity filling NVH polyurethane foams
JP5233240B2 (ja) * 2007-10-19 2013-07-10 川崎化成工業株式会社 ポリウレタンフォーム製造用添加剤、ポリウレタンフォームの注入発泡用組成物およびポリウレタンフォームパネルの製造方法
CN102131840B (zh) * 2008-08-28 2014-01-29 亨茨曼国际有限公司 通过多元醇和酸酐的反应获得的混合物及其在聚异氰酸酯中用来制备聚异氰脲酸酯的用途
KR101498482B1 (ko) 2010-07-09 2015-03-04 에어 프로덕츠 앤드 케미칼스, 인코오포레이티드 폴리우레탄 포움 성능을 개선시키기 위한 첨가제
US9968919B2 (en) 2011-06-29 2018-05-15 Evonik Degussa Gmbh Reducing emissions in polyurethane foam
US9145466B2 (en) 2011-07-07 2015-09-29 Air Products And Chemicals, Inc. Process for producing flexible polyurethane foam using natural oil polyols
US9447223B2 (en) 2011-07-07 2016-09-20 Air Products And Chemicals, Inc. Additives for improving natural oil based polyurethane foam performance
WO2013040765A1 (en) 2011-09-21 2013-03-28 Basf Se Artificial leather with improved flexing endurance properties
US9644066B2 (en) 2011-12-29 2017-05-09 Dow Global Technologies Llc Cyclic amine compounds, compositions, and polyurethane foams made therefrom
BR112014015972B1 (pt) 2011-12-29 2020-12-29 Dow Global Technologies Llc composição, poliéter poliol de amina, espuma de poliuretano, método para preparar um poliéter poliol de amina e método para preparar uma espuma de poliuretano
CN104245767B (zh) 2012-03-30 2018-01-16 气体产品与化学公司 聚氨酯泡沫生产方法、预混料、制剂和产品
TW201418304A (zh) * 2012-06-29 2014-05-16 Tosoh Corp 聚氨酯樹脂製造用觸媒組成物及使用其之聚氨酯樹脂之製造方法
US10000686B2 (en) 2013-12-18 2018-06-19 Covestro Llc Methods for treating a well bore within an underground formation
CA2934489C (en) * 2013-12-19 2019-08-06 Air Products And Chemicals, Inc. New non-emissive amine composition for improved system shelf life stability
US10081700B2 (en) * 2015-05-05 2018-09-25 Evonik Degussa Gmbh Delayed action gelling catalyst compositions and methods for making polyurethane polymers
WO2017015055A1 (en) 2015-07-23 2017-01-26 Bridgestone Americas Tire Operations, Llc Methods relating to polyurethane foam-containing and degradable foam-containing tires, and degradable foam-containing tires
EP3377492B1 (en) * 2015-11-19 2022-08-31 Basf Se Catalyst for the preparation of polyurethanes
IT201700029963A1 (it) * 2017-03-17 2018-09-17 Giovanni Bozzetto Spa Nuovo carrier polimerico per tintura a bassa temperatura di fibra poliestere
US20180346786A1 (en) 2017-06-05 2018-12-06 Covestro Llc Methods and materials for refracturing a partially depleted oil and gas well
US20190203097A1 (en) 2017-08-08 2019-07-04 Covestro Llc Polyurethanes for water shut-off in oil and gas wells
CN107964081B (zh) * 2017-12-06 2020-11-24 万华化学集团股份有限公司 一种低散发反应型叔胺类催化剂及其制备方法和应用
CN108892769B (zh) * 2018-06-19 2021-07-06 石家庄合汇化工有限公司 一种用于制备聚氨酯的酸封延迟性催化剂
EP3931177A1 (en) 2019-02-28 2022-01-05 Evonik Operations GmbH Amine composition useful for making stable polyurethane foam systems
WO2021067035A1 (en) * 2019-10-02 2021-04-08 Huntsman Petrochemical Llc Polyol resin blend for use in producing stable polyol components
CN110760053A (zh) * 2019-10-31 2020-02-07 长春一汽富晟汽车毯业有限公司 一种聚氨酯发泡的商用车地毯及其制备方法
EP3954722A1 (en) 2020-07-30 2022-02-16 Evonik Operations GmbH Process and composition for the production of flexible polyurethane foam
US20240076462A1 (en) * 2021-02-03 2024-03-07 Basf Se Polyurethane foams for reducing corrosion of polymeric materials
EP4323421A1 (en) 2021-04-13 2024-02-21 Basf Se Non-solvent pu system, an artificial leather comprising the same and a process for producing the artificial leather
WO2023046512A1 (en) 2021-09-23 2023-03-30 Basf Se Process for preparing polyurethane sheet/laminate with reduced bubbles
CN114105789B (zh) * 2021-12-17 2023-09-01 恒光新材料(江苏)股份有限公司 二甲胺基丙胺二异丙醇的合成方法
WO2024120897A1 (de) 2022-12-07 2024-06-13 Basf Se Dünne schichten aus polyurethan und verfahren zu deren herstellung

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4464488A (en) 1983-08-11 1984-08-07 Texaco Inc. Polyurethanes using monocarboxylic acid salts of bis(aminoethyl)ether derivatives as catalysts
DE3717454A1 (de) * 1987-05-23 1988-12-01 Bayer Ag Praeparationsmittel fuer synthesefasern
US5489618A (en) * 1993-11-29 1996-02-06 Osi Specialties, Inc. Process for preparing polyurethane foam
DE19512480A1 (de) 1995-04-04 1996-10-10 Bayer Ag Thermoaktivierbarer Katalysator
BR9902239A (pt) * 1998-06-17 2000-04-11 Air Prod & Chem Processo e composição de aditivos de cédula para espumas flexìveis rìgidas de poliuretano.
JP4147637B2 (ja) 1998-09-21 2008-09-10 東ソー株式会社 ポリウレタン製造用の触媒

Also Published As

Publication number Publication date
US6432864B1 (en) 2002-08-13
JP3992226B2 (ja) 2007-10-17
DE60201456T2 (de) 2005-03-03
CN1380347A (zh) 2002-11-20
EP1249461B1 (en) 2004-10-06
CN1232556C (zh) 2005-12-21
DE60201456D1 (de) 2004-11-11
EP1249461A2 (en) 2002-10-16
BR0201089A (pt) 2003-05-27
EP1249461A3 (en) 2003-02-26
MXPA02003535A (es) 2004-07-16
KR100479534B1 (ko) 2005-03-31
ES2225678T3 (es) 2005-03-16
DK1249461T3 (da) 2004-11-08
PT1249461E (pt) 2005-01-31
JP2002371120A (ja) 2002-12-26
ATE278725T1 (de) 2004-10-15
US20030032553A1 (en) 2003-02-13
US6525107B1 (en) 2003-02-25
KR20020079524A (ko) 2002-10-19

Similar Documents

Publication Publication Date Title
BR0201089B1 (pt) catalisadores de amina bloqueada com Ácido e processo para preparaÇço de poliuretana.
BR0112693A (pt) (derivados) de ácido sulfonilaminometilbenzóico substituìdos e processo para preparação do mesmo
BR0009411A (pt) Composto de anilina substituìda, e, processo para a preparação e uso de compostos
EP1295867A4 (en) biphenyl
BRPI0415203A (pt) pentanóis reestruturados, um processo para sua produção e seu uso como agentes antiinflamatórios
ES2046671T3 (es) Un procedimiento para la preparacion de tetrahidroimidazo(1,4)benzodiazepin-2-tionas.
BR0213481A (pt) Sondas
DOP2001000190A (es) Nuevo procedimiento para la preparación de las pirazolopirimidinonas
PT1317455E (pt) Processo para a preparacao de um composto de imidazopiridina substituido
BR9909151A (pt) processos para preparação de intermediários
PT1347960E (pt) Processo para a preparacao de (+)-trans-4-p-fluorofenil-3-hidroximetil-1-metilpiperidina
DE60111063D1 (de) Verfahren zur herstellung von aromatischen aminen
PT1250335E (pt) Processo e intermediarios para a preparacao de imidazopiridinas
ATE258187T1 (de) Herstellung von 2&#39;-substitutierter rns
PT1423385E (pt) Intermediários para preparar conjugados inibidores da neuraminidase
ATE464282T1 (de) Verfahren zur herstellung von methane diphenyl diamine mischungen und ihre höheren homologene mit einer kontrollierten verteilung von isomeren
TW200719921A (en) Hair treating agent
GB1421600A (en) Process for the production of aromatic diamines
PT1296983E (pt) Novo processo para a preparacao de pirazolopirimidinonas
AU2002325234A1 (en) Novel use of sulfamic acids as resolving agent.
BR0308297A (pt) Processo para a preparação de um composto
TWI256383B (en) Anthraquinone compound
MXPA02001370A (es) 4-amino-1-aril-1,5-dihidro-pirrol-2-ona con propiedades anticonvulsivas y ansioliticas y metodo para la produccion de la misma.
PL365009A1 (en) Process for the preparation of 9-amino substituted 9,10-dihydropyrrolo [2,1-b][1,3]benzotiazepines
BR0001617A (pt) Processo aperfeiçoado para a preparação de um 1,1,1-trifluoro-2-aminoalcano

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 05/04/2002, OBSERVADAS AS CONDICOES LEGAIS.

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

Free format text: REFERENTE A 20A 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 2665 DE 01-02-2022 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.