BR0012763B1 - polìmero de enxerto, processo para evitar ou reduzir a formação de hidratos gasosos em sistemas lìquidos ou gasosos, e, uso de polìmeros de enxerto. - Google Patents

polìmero de enxerto, processo para evitar ou reduzir a formação de hidratos gasosos em sistemas lìquidos ou gasosos, e, uso de polìmeros de enxerto.

Info

Publication number
BR0012763B1
BR0012763B1 BRPI0012763-9A BR0012763A BR0012763B1 BR 0012763 B1 BR0012763 B1 BR 0012763B1 BR 0012763 A BR0012763 A BR 0012763A BR 0012763 B1 BR0012763 B1 BR 0012763B1
Authority
BR
Brazil
Prior art keywords
gaseous
preventing
formation
reducing
liquid
Prior art date
Application number
BRPI0012763-9A
Other languages
English (en)
Other versions
BR0012763A (pt
Inventor
Maximilian Angel
Karin Neubecker
Axel Sanner
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 BR0012763A publication Critical patent/BR0012763A/pt
Publication of BR0012763B1 publication Critical patent/BR0012763B1/pt

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
    • C08F261/00—Macromolecular compounds obtained by polymerising monomers on to polymers of oxygen-containing monomers as defined in group C08F16/00
    • C08F261/02—Macromolecular compounds obtained by polymerising monomers on to polymers of oxygen-containing monomers as defined in group C08F16/00 on to polymers of unsaturated alcohols
    • C08F261/04—Macromolecular compounds obtained by polymerising monomers on to polymers of oxygen-containing monomers as defined in group C08F16/00 on to polymers of unsaturated alcohols on to polymers of vinyl alcohol
    • 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
    • C08F251/00—Macromolecular compounds obtained by polymerising monomers on to polysaccharides or derivatives thereof
    • 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
    • C08F271/00—Macromolecular compounds obtained by polymerising monomers on to polymers of nitrogen-containing monomers as defined in group C08F26/00
    • 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
    • C08F291/00—Macromolecular compounds obtained by polymerising monomers on to macromolecular compounds according to more than one of the groups C08F251/00 - C08F289/00
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10L—FUELS NOT OTHERWISE PROVIDED FOR; NATURAL GAS; SYNTHETIC NATURAL GAS OBTAINED BY PROCESSES NOT COVERED BY SUBCLASSES C10G, C10K; LIQUEFIED PETROLEUM GAS; ADDING MATERIALS TO FUELS OR FIRES TO REDUCE SMOKE OR UNDESIRABLE DEPOSITS OR TO FACILITATE SOOT REMOVAL; FIRELIGHTERS
    • C10L3/00—Gaseous fuels; Natural gas; Synthetic natural gas obtained by processes not covered by subclass C10G, C10K; Liquefied petroleum gas
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17D—PIPE-LINE SYSTEMS; PIPE-LINES
    • F17D1/00—Pipe-line systems
    • F17D1/02—Pipe-line systems for gases or vapours
    • F17D1/04—Pipe-line systems for gases or vapours for distribution of gas
    • F17D1/05—Preventing freezing
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
    • C09K2208/00—Aspects relating to compositions of drilling or well treatment fluids
    • C09K2208/22—Hydrates inhibition by using well treatment fluids containing inhibitors of hydrate formers
    • 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
    • Y10S585/00—Chemistry of hydrocarbon compounds
    • Y10S585/949—Miscellaneous considerations
    • Y10S585/95—Prevention or removal of corrosion or solid deposits

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Organic Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Engineering & Computer Science (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • General Chemical & Material Sciences (AREA)
  • Graft Or Block Polymers (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Cosmetics (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
BRPI0012763-9A 1999-07-28 2000-07-11 polìmero de enxerto, processo para evitar ou reduzir a formação de hidratos gasosos em sistemas lìquidos ou gasosos, e, uso de polìmeros de enxerto. BR0012763B1 (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19935063A DE19935063A1 (de) 1999-07-28 1999-07-28 Pfropfpolymerisate als Gashydratinhibitoren
PCT/EP2000/006564 WO2001009271A1 (de) 1999-07-28 2000-07-11 Pfropfpolymerisate als gashydratinhibitoren

Publications (2)

Publication Number Publication Date
BR0012763A BR0012763A (pt) 2002-04-02
BR0012763B1 true BR0012763B1 (pt) 2011-12-13

Family

ID=7916113

Family Applications (1)

Application Number Title Priority Date Filing Date
BRPI0012763-9A BR0012763B1 (pt) 1999-07-28 2000-07-11 polìmero de enxerto, processo para evitar ou reduzir a formação de hidratos gasosos em sistemas lìquidos ou gasosos, e, uso de polìmeros de enxerto.

Country Status (9)

Country Link
US (1) US6867262B1 (pt)
EP (1) EP1206510B1 (pt)
AU (1) AU773260B2 (pt)
BR (1) BR0012763B1 (pt)
CA (1) CA2380394C (pt)
DE (2) DE19935063A1 (pt)
MX (1) MXPA02000774A (pt)
NO (1) NO328135B1 (pt)
WO (1) WO2001009271A1 (pt)

Families Citing this family (66)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8527026B2 (en) 1997-03-04 2013-09-03 Dexcom, Inc. Device and method for determining analyte levels
US6001067A (en) 1997-03-04 1999-12-14 Shults; Mark C. Device and method for determining analyte levels
US20030032874A1 (en) 2001-07-27 2003-02-13 Dexcom, Inc. Sensor head for use with implantable devices
GB0120912D0 (en) * 2001-08-29 2001-10-17 Bp Exploration Operating Process
GB0123409D0 (en) * 2001-09-28 2001-11-21 Atkinson Stephen Method for the recovery of hydrocarbons from hydrates
US7828728B2 (en) 2003-07-25 2010-11-09 Dexcom, Inc. Analyte sensor
US7585816B2 (en) * 2003-07-02 2009-09-08 Exxonmobil Upstream Research Company Method for inhibiting hydrate formation
JP4708342B2 (ja) 2003-07-25 2011-06-22 デックスコム・インコーポレーテッド 埋設可能な装置に用いる酸素増大膜システム
US7920906B2 (en) 2005-03-10 2011-04-05 Dexcom, Inc. System and methods for processing analyte sensor data for sensor calibration
US20050085676A1 (en) * 2003-10-21 2005-04-21 Vaithilingam Panchalingam Methods for inhibiting hydrate blockage in oil and gas pipelines using betaines and amine oxides
US9247900B2 (en) 2004-07-13 2016-02-02 Dexcom, Inc. Analyte sensor
US8277713B2 (en) * 2004-05-03 2012-10-02 Dexcom, Inc. Implantable analyte sensor
WO2006127694A2 (en) 2004-07-13 2006-11-30 Dexcom, Inc. Analyte sensor
US20060020192A1 (en) 2004-07-13 2006-01-26 Dexcom, Inc. Transcutaneous analyte sensor
US7622095B2 (en) 2004-08-12 2009-11-24 Ford Global Technologies, Llc Catalyst composition for use in a lean NOx trap and method of using
US7811961B2 (en) 2004-08-12 2010-10-12 Ford Global Technologies, Llc Methods and formulations for enhancing NH3 adsorption capacity of selective catalytic reduction catalysts
US7137249B2 (en) 2004-08-12 2006-11-21 Ford Global Technologies, Llc Thermally stable lean nox trap
US7749474B2 (en) 2004-08-12 2010-07-06 Ford Global Technologies, Llc Catalyst composition for use in a lean NOx trap and method of using
DE102005006421A1 (de) 2005-02-12 2006-08-24 Clariant Produkte (Deutschland) Gmbh Polymere und ihre Herstellung und Verwendung als Gashydratinhibitoren
DE102005007287B4 (de) * 2005-02-17 2007-01-25 Clariant Produkte (Deutschland) Gmbh Verwendung von Polyestern als Gashydratinhibitoren
DE102005009134A1 (de) * 2005-03-01 2006-09-14 Clariant Produkte (Deutschland) Gmbh Biologisch abbaubare Gashydratinhibitoren
US8744546B2 (en) 2005-05-05 2014-06-03 Dexcom, Inc. Cellulosic-based resistance domain for an analyte sensor
US7666963B2 (en) * 2005-07-21 2010-02-23 Akzo Nobel N.V. Hybrid copolymers
DE102005053064A1 (de) * 2005-11-04 2007-05-16 Basf Ag Verfahren zur Herstellung von Pfropfpolymerisaten
DE102005053066A1 (de) 2005-11-04 2007-05-10 Basf Ag Verwendung von Copolymeren als Solubilisatoren für in Wasser schwerlöslichen Verbindungen
WO2007065846A2 (de) * 2005-12-09 2007-06-14 Basf Se Verwendung von polyvinyllactam-polyoxyalkylen-blockcopolymeren als solubilisatoren für in wasser schwerlösliche verbindungen
WO2007095399A2 (en) * 2006-03-15 2007-08-23 Exxonmobil Upstream Research Company Method of generating a non-plugging hydrate slurry
RU2445544C2 (ru) * 2006-03-24 2012-03-20 Эксонмобил Апстрим Рисерч Компани Композиция и способ получения прокачиваемой суспензии углеводородных гидратов при высокой обводненности
US20080020961A1 (en) * 2006-07-21 2008-01-24 Rodrigues Klin A Low Molecular Weight Graft Copolymers
NO327578B1 (no) * 2006-08-22 2009-08-24 Uni I Stavanger Anvendelse av en vannloselig polymer som et additiv for inhibering av gasshydratdannelse.
EP2094080B1 (de) 2006-11-13 2017-06-07 Basf Se Verwendung von blockcopolymeren auf basis von vinyllactamen und vinylacetat als solubilisatoren
WO2009013202A1 (de) * 2007-07-26 2009-01-29 Basf Se Verfahren zur herstellung von durch pfropfpolymerisation in lösung erhaltenen copolymeren auf basis von polyethern in fester form
EP2022805A3 (en) 2007-08-03 2009-02-25 Basf Se Copolymers based on N-vinyllactams and olefins as their use as solubilizers for slightly water-soluble compounds
EP2031044A1 (en) * 2007-08-29 2009-03-04 Research Institute of Petroleum Industry (RIPI) Stabilization of gas hydrates
GB2465118B (en) * 2007-09-25 2011-11-02 Exxonmobil Upstream Res Co Method for managing hydrates in subsea production line
US8469101B2 (en) 2007-09-25 2013-06-25 Exxonmobil Upstream Research Company Method and apparatus for flow assurance management in subsea single production flowline
DE102007063060A1 (de) 2007-12-28 2009-07-02 Basf Construction Polymers Gmbh Pfropfcopolymer als Gashydratinhibitor
US8583204B2 (en) 2008-03-28 2013-11-12 Dexcom, Inc. Polymer membranes for continuous analyte sensors
CN102047101A (zh) * 2008-03-28 2011-05-04 德克斯康公司 用于连续的分析物传感器的聚合物膜
US11730407B2 (en) 2008-03-28 2023-08-22 Dexcom, Inc. Polymer membranes for continuous analyte sensors
US8682408B2 (en) 2008-03-28 2014-03-25 Dexcom, Inc. Polymer membranes for continuous analyte sensors
US8560039B2 (en) 2008-09-19 2013-10-15 Dexcom, Inc. Particle-containing membrane and particulate electrode for analyte sensors
BRPI1012651A2 (pt) 2009-03-31 2016-04-05 Basf Se processo para produzir preparações de substâncias fracamente solúveis em água
WO2010130728A2 (de) 2009-05-13 2010-11-18 Basf Se Feste pharmazeutischen zubereitungen enthaltend copolymere auf basis von polyethern in kombination mit wasserschwerlöslichen polymeren
DE102009030339A1 (de) 2009-06-25 2011-01-05 Clariant International Ltd. Additive zur Inhibierung der Gashydratbildung
EP2459607B1 (en) 2009-07-31 2021-04-14 Nouryon Chemicals International B.V. Hybrid copolymer compositions for personal care applications
BR112012006067B1 (pt) 2009-09-17 2019-10-01 Basf Se Preparações de ingredientes ativos fracamente solúveis em água, processo para a produção de preparações,e, formas de dosagem
US8350236B2 (en) * 2010-01-12 2013-01-08 Axcelis Technologies, Inc. Aromatic molecular carbon implantation processes
WO2011109118A1 (en) 2010-03-05 2011-09-09 Exxonmobil Upstream Research Company System and method for creating flowable hydrate slurries in production fluids
DE102010022759A1 (de) 2010-06-04 2011-12-08 Clariant International Ltd. Additive zur Inhibierung der Gashydratbildung
US8679366B2 (en) 2011-08-05 2014-03-25 Ecolab Usa Inc. Cleaning composition containing a polysaccharide graft polymer composition and methods of controlling hard water scale
US8853144B2 (en) 2011-08-05 2014-10-07 Ecolab Usa Inc. Cleaning composition containing a polysaccharide graft polymer composition and methods of improving drainage
US8841246B2 (en) 2011-08-05 2014-09-23 Ecolab Usa Inc. Cleaning composition containing a polysaccharide hybrid polymer composition and methods of improving drainage
US8636918B2 (en) 2011-08-05 2014-01-28 Ecolab Usa Inc. Cleaning composition containing a polysaccharide hybrid polymer composition and methods of controlling hard water scale
BR112014008874A2 (pt) 2011-11-04 2017-04-25 Akzo Nobel Chemicals Int Bv composição de copolímero híbrido de dendrito
EP2773321B1 (en) 2011-11-04 2015-09-09 Akzo Nobel Chemicals International B.V. Graft dendrite copolymers, and methods for producing the same
US8887815B2 (en) 2012-01-05 2014-11-18 Halliburton Energy Services, Inc. Nanoparticle kinetic gas hydrate inhibitors
US8945314B2 (en) 2012-07-30 2015-02-03 Ecolab Usa Inc. Biodegradable stability binding agent for a solid detergent
US9365805B2 (en) 2014-05-15 2016-06-14 Ecolab Usa Inc. Bio-based pot and pan pre-soak
CN104194756B (zh) * 2014-08-12 2017-02-22 华南理工大学 一种新型水合物动力学抑制剂及其制备方法及应用
RU2715582C2 (ru) * 2015-05-27 2020-03-02 Коммонвелт Сайентифик Энд Индастриал Рисерч Органайзейшн Гидрогель, содержащий ингибитор гидратов
MY194732A (en) 2015-09-18 2022-12-15 Huntsman Petrochemical Llc Improved poly(vinyl caprolactam) kinetic gas hydrate inhibitor and method for preparing the same
CN108980623B (zh) * 2018-06-22 2021-01-08 东莞理工学院 一种对水合物响应的动力学抑制油水乳液及其制备方法和应用
CN112961255B (zh) * 2021-02-23 2022-07-19 中国石油大学(华东) 一种环保型天然气水合物分解抑制剂及其制备方法与应用
WO2022263354A1 (en) 2021-06-18 2022-12-22 Basf Se Biodegradable graft polymers
CN114230716B (zh) * 2021-12-30 2022-08-05 清华大学深圳国际研究生院 一种三元共聚物的制备方法及其应用

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5432292A (en) * 1992-11-20 1995-07-11 Colorado School Of Mines Method for controlling clathrate hydrates in fluid systems
US5491269A (en) * 1994-09-15 1996-02-13 Exxon Production Research Company Method for inhibiting hydrate formation
US5583273A (en) * 1994-09-15 1996-12-10 Exxon Production Research Company Method for inhibiting hydrate formation
GB9505864D0 (en) * 1995-03-23 1995-05-10 Bp Exploration Operating Hydrate Inhibition
WO1997007320A1 (en) * 1995-08-16 1997-02-27 Exxon Production Research Company A method for predetermining a polymer for inhibiting hydrate formation
DE19629662A1 (de) * 1996-07-23 1998-01-29 Clariant Gmbh Verfahren zur Inhibierung der Gashydratbildung
NO972355D0 (no) * 1997-05-22 1997-05-22 Rf Procom As Blanding for regulering av clathrathydrater og en fremgangsmåte for regulering av clathrathydrat-dannelse
DE19803384C1 (de) * 1998-01-29 1999-04-15 Clariant Gmbh Additive zur Inhibierung der Gashydratbildung und Verfahren zur Inhibierung der Bildung von Gashydraten
DE19853046A1 (de) * 1998-11-18 2000-05-25 Basf Ag Wasserlösliche oder wasserdispergierbare Pfropfcopolymerisate auf der Basis eines Polyvinyllactams, deren Herstellung und Verwendung
DE19920152C1 (de) * 1999-05-03 2000-10-12 Clariant Gmbh Additive zur Inhibierung der Gashydratbildung und deren Verwendung
US6444852B1 (en) * 1999-06-24 2002-09-03 Goldschmidt Chemical Corporation Amines useful in inhibiting gas hydrate formation

Also Published As

Publication number Publication date
DE50010983D1 (en) 2005-09-22
BR0012763A (pt) 2002-04-02
EP1206510B1 (de) 2005-08-17
CA2380394A1 (en) 2001-02-08
NO20020377L (no) 2002-02-27
US6867262B1 (en) 2005-03-15
DE19935063A1 (de) 2001-02-01
AU773260B2 (en) 2004-05-20
CA2380394C (en) 2009-11-24
EP1206510A1 (de) 2002-05-22
NO328135B1 (no) 2009-12-14
WO2001009271A1 (de) 2001-02-08
AU6271300A (en) 2001-02-19
MXPA02000774A (es) 2002-07-22
NO20020377D0 (no) 2002-01-24

Similar Documents

Publication Publication Date Title
BR0012763B1 (pt) polìmero de enxerto, processo para evitar ou reduzir a formação de hidratos gasosos em sistemas lìquidos ou gasosos, e, uso de polìmeros de enxerto.
BR9908248B1 (pt) processo para a pàs-reticulaÇço superficial de polÍmeros que absorvem Água, e, uso de um polÍmero preparado pelo processo.
AU2001277025A1 (en) Universal transaction manager agent, systems and methods
DK0792311T3 (da) Biologisk nedbrydelige polymerer, fremgangsmåde til fremstilling heraf samt anvendelse heraf til fremstilling af bionedbryd
BR9905792B1 (pt) catalisador sob a forma de aparas ou peças moldada, ou um catalisador revestido, e, uso do mesmo.
BR9810289B1 (pt) processo de preparaÇço de polÍmeros em blocos, e, polÍmero.
DK0792312T3 (da) Biologisk nedbrydelige polymerer, fremgangsmåde til fremstilling deraf samt deres anvendelse til fremstilling af bionedbryd
BR0015241B1 (pt) processo para polimerização de olefina(s) na presença de uma sistema catalisador, sistemas catalisadores e uso de um composto catalisador.
BR9808196B1 (pt) dispositivo de comunicaÇço màvel, e, processo para uso em um sistema de comunicaÇÕes.
BR9713436B1 (pt) processo para melhorar o desempenho de um sistema de comunicação móvel, e, sistema de comunicação móvel.
AU2001246902A1 (en) Crosslinked polymer, process for producing the same, absorbent structure, and absorbent article
DE69638153D1 (de) Methode zur benutzung von anwendungen in einer mobilen station, mobile station und zahlungssystem
AU2002301260A1 (en) Multi-component, on site foaming system and its use
BR0007696B1 (pt) mÉtodo para criar um desvio secundÁrio em um sistema de poÇo para produÇço de fluidos de hidrocarboneto, e, sistema de poÇo.
ID25741A (id) Metoda dan sistem mendeteksi terminal klone
BR0015594B1 (pt) processo para produzir polietileno e/ou interpolìmeros de etileno e um, ou mais, outros monÈmeros interpolimerizáveis com etileno, e/ou misturas de ditos interpolìmeros.
HK1062832A1 (en) Substituted fluorene polymers, their preparation and use in optical devices.
ZA200100797B (en) Inorganic hydrogen and hydrogen polymer compounds and applications thereof.
AU2001244741A1 (en) Interpretation managing system, interpretation managing system, and interpretation managing program
MY134069A (en) Pipe coating
BR9812436B1 (pt) produto em partìculas, gel, uso e processo de polimerização de fase reversa.
AU2001246440A1 (en) Microcapsule, in particular, for immobilizing organic or inorganic solids, liquids and/or gases
BR0016840B1 (pt) dispersão polìmera com resina de reticulação contendo água; processo para sua preparação e uso do mesmo e adesivo ou agente de revestimento para superfìcie.
HUP0104787A2 (en) Modification agents for anionic polymerisation and use thereof, as well as the produced polymers and use thereof
AU2002221087A1 (en) Mixed gasoline, and system for storage and/or supply thereof

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: 10 (DEZ) ANOS CONTADOS A PARTIR DE 13/12/2011, OBSERVADAS AS CONDICOES LEGAIS.

B21A Patent or certificate of addition expired [chapter 21.1 patent gazette]

Free format text: PATENTE EXTINTA EM 13.12.2021