DE3520006C2 - - Google Patents

Info

Publication number
DE3520006C2
DE3520006C2 DE3520006A DE3520006A DE3520006C2 DE 3520006 C2 DE3520006 C2 DE 3520006C2 DE 3520006 A DE3520006 A DE 3520006A DE 3520006 A DE3520006 A DE 3520006A DE 3520006 C2 DE3520006 C2 DE 3520006C2
Authority
DE
Germany
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
Application number
DE3520006A
Other versions
DE3520006A1 (de
Inventor
Gregory A. Danville Calif. Us Pittner
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
ARROWHEAD INDUSTRIAL WATER Inc LOS ANGELES CALIF US
Original Assignee
ARROWHEAD INDUSTRIAL WATER Inc LOS ANGELES CALIF US
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 by ARROWHEAD INDUSTRIAL WATER Inc LOS ANGELES CALIF US filed Critical ARROWHEAD INDUSTRIAL WATER Inc LOS ANGELES CALIF US
Publication of DE3520006A1 publication Critical patent/DE3520006A1/de
Application granted granted Critical
Publication of DE3520006C2 publication Critical patent/DE3520006C2/de
Granted legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/44—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis
    • C02F1/441—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis by reverse osmosis
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D61/00—Processes of separation using semi-permeable membranes, e.g. dialysis, osmosis or ultrafiltration; Apparatus, accessories or auxiliary operations specially adapted therefor
    • B01D61/02—Reverse osmosis; Hyperfiltration ; Nanofiltration
    • B01D61/025—Reverse osmosis; Hyperfiltration
    • B01D61/026—Reverse osmosis; Hyperfiltration comprising multiple reverse osmosis steps

Landscapes

  • Engineering & Computer Science (AREA)
  • Water Supply & Treatment (AREA)
  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Environmental & Geological Engineering (AREA)
  • Organic Chemistry (AREA)
  • Nanotechnology (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)
DE19853520006 1984-06-04 1985-06-04 Chemisch unterstuetztes gegenstrom-osmose-wasseraufbereitungs-system und zugehoeriges verfahren Granted DE3520006A1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06616729 US4574049B1 (en) 1984-06-04 1984-06-04 Reverse osmosis system

Publications (2)

Publication Number Publication Date
DE3520006A1 DE3520006A1 (de) 1985-12-05
DE3520006C2 true DE3520006C2 (de) 1987-01-15

Family

ID=24470730

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19853520006 Granted DE3520006A1 (de) 1984-06-04 1985-06-04 Chemisch unterstuetztes gegenstrom-osmose-wasseraufbereitungs-system und zugehoeriges verfahren

Country Status (10)

Country Link
US (1) US4574049B1 (de)
JP (1) JPH06233B2 (de)
AU (1) AU568746B2 (de)
BE (1) BE902571A (de)
CA (1) CA1251145A (de)
DE (1) DE3520006A1 (de)
ES (1) ES8802480A1 (de)
FR (1) FR2565221B1 (de)
GB (1) GB2159810B (de)
IT (1) IT1206531B (de)

Families Citing this family (111)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4609466A (en) * 1984-10-23 1986-09-02 Natures Sunshine Products Portable water purification system
JPH062277B2 (ja) * 1985-08-15 1994-01-12 栗田工業株式会社 高純度水の製造装置
JPH0790215B2 (ja) * 1986-07-21 1995-10-04 神鋼パンテツク株式会社 純水製造装置における溶存炭酸ガスの除去方法
JPH0649190B2 (ja) * 1986-07-28 1994-06-29 栗田工業株式会社 高純度水の製造装置
US4713175A (en) * 1986-08-05 1987-12-15 Nimbus Water Systems, Inc. Water purifier comprising stages mounted side-by-side to unitary header
ES2003219A6 (es) * 1987-02-09 1988-10-16 Cabanyes Torres Jose Maria Procedimiento de obtencion de agua de origen biologico agua obtenida por dicho procedimiento y aplicaciones de la misma.
US4784771A (en) * 1987-08-03 1988-11-15 Environmental Water Technology, Inc. Method and apparatus for purifying fluids
JPH0649191B2 (ja) * 1988-03-14 1994-06-29 オルガノ株式会社 ２段式逆浸透膜処理方法
US4995983A (en) * 1990-03-21 1991-02-26 Macmillan Bloedel Limited Membrane separation process
US5266203A (en) * 1992-01-30 1993-11-30 Arrowhead Industrial Water, Inc. Method for treating process streams containing cyanide and heavy metals
FR2688785B1 (fr) * 1992-03-19 1995-07-07 Pasteur Institut Sequence peptidique apte a induire une reaction d'hypersensibilite de type retarde en presence de bacteries vivantes du complexe mycobacterium tuberculosis, et ses applications.
DK170035B1 (da) * 1992-05-04 1995-05-08 Md Foods Amba Fremgangsmåde til regulering af mælketørstofbestanddele i koncentrerede mælkeprodukter i forbindelse med ultrafiltrering
US5244579A (en) * 1992-10-09 1993-09-14 Zenon Environmental Inc. Transportable reverse osmosis water purification unit
US5338456A (en) * 1993-02-19 1994-08-16 Stivers Lewis E Water purification system and method
JP3184015B2 (ja) * 1993-08-10 2001-07-09 野村マイクロ・サイエンス株式会社 超純水製造装置
EP0676374A3 (de) * 1994-04-08 1996-03-27 Guenter Lauer Verfahren und Vorrichtung zur Reinwasserherstellung.
JPH0686057U (ja) * 1994-06-16 1994-12-13 日機装株式会社 逆浸透膜法による水溶液中の微量成分の連続濃縮装置
JPH08108048A (ja) * 1994-10-12 1996-04-30 Toray Ind Inc 逆浸透分離装置及び逆浸透分離方法
US5670053A (en) * 1995-08-07 1997-09-23 Zenon Environmental, Inc. Purification of gases from water using reverse osmosis
US5766479A (en) * 1995-08-07 1998-06-16 Zenon Environmental Inc. Production of high purity water using reverse osmosis
FR2737792B1 (fr) * 1995-08-11 1997-09-12 Kodak Pathe Procede et dispositif pour l'extraction selective des ions halogenures des bains photographiques
US5632892A (en) * 1995-10-19 1997-05-27 Mechanical Equipment Company, Inc. Portable reverse osmosis water purification plant
US20020153319A1 (en) 1997-08-12 2002-10-24 Debasish Mukhopadhyay Method and apparatus for high efficiency reverse osmosis operation
US8758720B2 (en) * 1996-08-12 2014-06-24 Debasish Mukhopadhyay High purity water produced by reverse osmosis
US6537456B2 (en) * 1996-08-12 2003-03-25 Debasish Mukhopadhyay Method and apparatus for high efficiency reverse osmosis operation
US5925255A (en) * 1997-03-01 1999-07-20 Mukhopadhyay; Debasish Method and apparatus for high efficiency reverse osmosis operation
TW404847B (en) * 1996-08-12 2000-09-11 Debasish Mukhopadhyay Method and apparatus for high efficiency reverse osmosis operation
US6120688A (en) * 1997-02-25 2000-09-19 Zenon Environmental, Inc. Portable reverse osmosis unit for producing drinking water
US6080316A (en) * 1997-03-03 2000-06-27 Tonelli; Anthony A. High resistivity water production
US6258278B1 (en) 1997-03-03 2001-07-10 Zenon Environmental, Inc. High purity water production
US6267891B1 (en) 1997-03-03 2001-07-31 Zenon Environmental Inc. High purity water production using ion exchange
US6780328B1 (en) * 1997-06-20 2004-08-24 Li Zhang Fluid purification devices and methods employing deionization followed by ionization followed by deionization
US5997745A (en) * 1998-04-08 1999-12-07 Zenon Environmental Inc. Method for producing high purity water using triple pass reverse osmosis (TPRO)
US6120689A (en) * 1997-08-22 2000-09-19 Zenon Environmental, Inc. High purity water using triple pass reverse osmosis (TPRO)
US6398965B1 (en) 1998-03-31 2002-06-04 United States Filter Corporation Water treatment system and process
EP1031372B1 (de) * 1998-07-21 2008-01-02 Toray Industries, Inc. Verfahren zur wachstumshemmung von bakterien oder sterilisation in der umgebung von trennmembranen
EP1140705B1 (de) * 1999-01-08 2004-09-08 United States Filter Corporation Verfahren und apparat fuer mikrofiltration
US6783682B1 (en) * 1999-08-20 2004-08-31 L.E.T., Leading Edge Technologies Limited Salt water desalination process using ion selective membranes
US6325983B1 (en) 2000-04-19 2001-12-04 Seh America, Inc. Nox scrubbing system and method
US6306197B1 (en) 2000-04-19 2001-10-23 Seh America, Inc. Isopropyl alcohol scrubbing system
GB0016846D0 (en) 2000-07-10 2000-08-30 United States Filter Corp Electrodeionisation Apparatus
US7147785B2 (en) * 2000-09-28 2006-12-12 Usfilter Corporation Electrodeionization device and methods of use
AU2001294860A1 (en) * 2000-09-29 2002-04-08 Ionics Incorporated High recovery reverse osmosis process and apparatus
US6607647B2 (en) 2001-04-25 2003-08-19 United States Filter Corporation Electrodeionization apparatus with expanded conductive mesh electrode and method
US7320756B2 (en) * 2001-05-05 2008-01-22 Debasish Mukhopadhyay Method and apparatus for treatment of feedwaters by membrane separation under acidic conditions
US6649037B2 (en) 2001-05-29 2003-11-18 United States Filter Corporation Electrodeionization apparatus and method
NL1018527C2 (nl) * 2001-07-12 2003-01-14 Dhv Water Bv Inrichting voor het zuiveren van water.
AU2002337876A1 (en) 2001-10-15 2003-04-28 United States Filter Corporation Apparatus for fluid purification and methods of manufacture and use thereof
US6758976B2 (en) * 2001-10-25 2004-07-06 Imc Global Operations Inc. Simplified purification of phosphoric acid plant pond water
CA2464416C (en) * 2001-11-05 2012-01-03 Bionomics Ltd. Apparatus and method for producing purified water having high microbiological purity
JP4519930B2 (ja) * 2001-12-11 2010-08-04 野村マイクロ・サイエンス株式会社 超純水製造方法及び超純水製造装置
EP1329425A1 (de) * 2002-01-18 2003-07-23 Toray Industries, Inc. Entsalzungsverfahren und -vorrichtung
US7501061B2 (en) * 2002-10-23 2009-03-10 Siemens Water Technologies Holding Corp. Production of water for injection using reverse osmosis
FR2852310B1 (fr) * 2003-03-13 2005-06-03 Millipore Corp Procede et systeme de purification d'eau, ainsi que module pour un tel systeme
US20030173296A1 (en) * 2003-04-14 2003-09-18 Costa Lawrence C High recovery reverse osmosis process and apparatus
AU2004259768B2 (en) * 2003-07-24 2009-04-09 Veolia Water Solutions & Technologies Support System and method for treatment of acidic wastewater
US7306735B2 (en) * 2003-09-12 2007-12-11 General Electric Company Process for the removal of contaminants from water
US7604725B2 (en) * 2003-11-13 2009-10-20 Siemens Water Technologies Holding Corp. Water treatment system and method
US7862700B2 (en) * 2003-11-13 2011-01-04 Siemens Water Technologies Holding Corp. Water treatment system and method
US7563351B2 (en) * 2003-11-13 2009-07-21 Siemens Water Technologies Holding Corp. Water treatment system and method
US20050103717A1 (en) * 2003-11-13 2005-05-19 United States Filter Corporation Water treatment system and method
US7846340B2 (en) * 2003-11-13 2010-12-07 Siemens Water Technologies Corp. Water treatment system and method
US8377279B2 (en) * 2003-11-13 2013-02-19 Siemens Industry, Inc. Water treatment system and method
US7083733B2 (en) 2003-11-13 2006-08-01 Usfilter Corporation Water treatment system and method
US7582198B2 (en) * 2003-11-13 2009-09-01 Siemens Water Technologies Holding Corp. Water treatment system and method
PT1691915E (pt) 2003-12-07 2010-05-17 Univ Ben Gurion Método e sistema de aumento da recuperação e prevenção do entupimento devido a precipitação em processos de membrana por pressão
US7329358B2 (en) * 2004-05-27 2008-02-12 Siemens Water Technologies Holding Corp. Water treatment process
US20060129279A1 (en) * 2004-10-06 2006-06-15 Mcguire Dennis Mobile emergency filtration system and method
US7658828B2 (en) * 2005-04-13 2010-02-09 Siemens Water Technologies Holding Corp. Regeneration of adsorption media within electrical purification apparatuses
US20060231406A1 (en) * 2005-04-13 2006-10-19 Usfilter Corporation Regeneration of adsorption media within electrical purification apparatuses
US20060266381A1 (en) * 2005-05-27 2006-11-30 Doherty James E Commercial glassware dishwasher and related method
EP1885655B1 (de) * 2005-06-01 2014-12-17 Evoqua Water Technologies LLC Wasseraufbereitung durch intermittierende desinfektion
US20090134080A1 (en) * 2005-10-20 2009-05-28 Marcus John Fabig Purified Water Production and Distribution System
US8206592B2 (en) * 2005-12-15 2012-06-26 Siemens Industry, Inc. Treating acidic water
US20070163591A1 (en) * 2006-01-13 2007-07-19 Ross Julian T Method and system for providing breathable air in a closed circuit
US10213744B2 (en) 2006-06-13 2019-02-26 Evoqua Water Technologies Llc Method and system for water treatment
US8114259B2 (en) * 2006-06-13 2012-02-14 Siemens Industry, Inc. Method and system for providing potable water
US10252923B2 (en) 2006-06-13 2019-04-09 Evoqua Water Technologies Llc Method and system for water treatment
US8277627B2 (en) 2006-06-13 2012-10-02 Siemens Industry, Inc. Method and system for irrigation
US20080067069A1 (en) 2006-06-22 2008-03-20 Siemens Water Technologies Corp. Low scale potential water treatment
US7820024B2 (en) * 2006-06-23 2010-10-26 Siemens Water Technologies Corp. Electrically-driven separation apparatus
US20080029456A1 (en) * 2006-08-03 2008-02-07 Southwest Turf Solutions, Inc. Method and apparatus for removing minerals from a water source
US7744760B2 (en) 2006-09-20 2010-06-29 Siemens Water Technologies Corp. Method and apparatus for desalination
US20080164206A1 (en) * 2007-01-10 2008-07-10 Southwest Turf Solutions, Inc. Method and apparatus for removing minerals from a water source
US20080290033A1 (en) * 2007-05-25 2008-11-27 Camp Dresser & Mckee, Inc. Method and apparatus for recovery of water containing silica
CA2707214A1 (en) 2007-11-30 2009-06-11 Siemens Water Technologies Corp. Systems and methods for water treatment
US7520993B1 (en) * 2007-12-06 2009-04-21 Water & Power Technologies, Inc. Water treatment process for oilfield produced water
US20090188867A1 (en) * 2008-01-30 2009-07-30 Dinh-Cuong Vuong Methods and systems for processing waste water
CN102046253A (zh) * 2008-04-03 2011-05-04 西门子水处理技术公司 海水脱盐的低能量系统和方法
JP5330901B2 (ja) * 2009-05-28 2013-10-30 三菱重工業株式会社 塩及び淡水の併産装置及び方法
IL199700A (en) * 2009-07-05 2017-06-29 Desalitech Ltd A closed circuit desalination device fitting to improve the performance of reverse osmosis systems
US8545701B2 (en) * 2009-08-18 2013-10-01 Maher Isaac Kelada Induced symbiotic osmosis [ISO] for salinity power generation
CN104056551B (zh) 2009-10-30 2017-04-12 Oasys水有限公司 渗透分离系统和方法
CN101921029B (zh) * 2009-12-21 2014-06-18 波鹰(厦门)科技有限公司 纳米催化微电解水净化消毒装置及其方法
JP5349435B2 (ja) * 2010-09-16 2013-11-20 株式会社東芝 海水淡水化装置および薬品注入装置
US20120145634A1 (en) * 2010-12-10 2012-06-14 Water Intellectual Properties, Inc. High Efficiency Water Purification System
US20140021115A1 (en) * 2011-04-04 2014-01-23 Pure H20 A/S Mobile Water Purification System
IL212272A0 (en) * 2011-04-12 2011-06-30 Avi Efraty Power generation of pressure retarded osmosis in closed circuit without need of energy recovery
BR112013027449A2 (pt) 2011-04-25 2019-09-24 Oasys Water Inc sistemas e métodos de separação osmótica
US9227159B2 (en) * 2011-11-15 2016-01-05 General Electric Company Combined microfiltration or ultrafiltration and reverse osmosis processes
US10906001B2 (en) 2013-01-18 2021-02-02 Chevron U.S.A. Inc. Methods and systems for treating high temperature produced water
US8974668B2 (en) 2013-02-15 2015-03-10 Maher Isaac Kelada Hollow fiber membrane element and methods of making same
JP5700080B2 (ja) * 2013-07-02 2015-04-15 栗田工業株式会社 カチオン界面活性剤含有排水の処理方法及び処理装置
FR3025509B1 (fr) * 2014-09-05 2020-01-31 Degremont Pre-traitement d'eaux chaudes sursaturees
CN108367244B (zh) 2015-07-29 2022-05-03 格雷迪安特公司 渗透脱盐方法和相关系统
US9932257B2 (en) 2016-07-29 2018-04-03 Chevron U.S.A. Inc. Systems and methods for producing regenerant brine and desalinated water from high temperature produced water
EA202090132A1 (ru) 2017-08-21 2020-08-03 Эвокуа Уотер Текнолоджиз Ллк Обработка соленой воды для ее использования для сельскохозяйственных и хозяйственных нужд
WO2019051588A1 (en) * 2017-09-12 2019-03-21 Pani Energy Inc. ADAPTIVE MEMBRANE SYSTEMS
SG11202101293TA (en) 2018-08-22 2021-03-30 Gradiant Corp Liquid solution concentration system comprising isolated subsystem and related methods
JP7289206B2 (ja) * 2019-03-13 2023-06-09 オルガノ株式会社 ホウ素除去装置及びホウ素除去方法、並びに、純水製造装置及び純水の製造方法
WO2022108891A1 (en) 2020-11-17 2022-05-27 Gradiant Corporaton Osmotic methods and systems involving energy recovery

Family Cites Families (29)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US921001A (en) * 1908-05-26 1909-05-11 Isaiah L Roberts Manufacture of waterproof articles from fibrous materials.
US3774763A (en) * 1970-10-15 1973-11-27 Culligan Int Co Water purification system
US3776842A (en) * 1971-03-08 1973-12-04 Raypak Inc Water cleaning treatment
US3823086A (en) * 1973-01-22 1974-07-09 Culligan Int Co Pretreatment for reverse osmosis process
US4046685A (en) * 1973-07-26 1977-09-06 Desalination Systems, Inc. Simultaneous production of multiple grades of purified water by reverse osmosis
JPS5410937B2 (de) * 1973-11-06 1979-05-10
US4014787A (en) * 1974-01-02 1977-03-29 Systems Engineering & Manufacturing Corporation Wastewater treatment
GB1491833A (en) * 1975-02-21 1977-11-16 Foremost Mckesson Method and apparatus for purifying and dispensing water
DE2556210C3 (de) * 1975-12-13 1978-12-21 Gesellschaft Fuer Kernenergieverwertung In Schiffbau Und Schiffahrt Mbh, 2000 Hamburg Einrichtung zur Wasserentsalzung durch Umgekehrte Osmose
US4160727A (en) * 1976-02-21 1979-07-10 Foremost-Mckesson, Inc. Method and apparatus utilizing staged reverse osmosis units for purifying and dispensing water
JPS534777A (en) * 1976-07-02 1978-01-17 Kurita Water Ind Ltd Desalting apparatus
JPS5946676B2 (ja) * 1976-08-23 1984-11-14 日本アブコ−株式会社 超濾過膜と逆浸透膜とを組合せて用いた金属イオン含有溶液の処理方法
JPS5469579A (en) * 1977-11-15 1979-06-04 Nitto Electric Ind Co Ltd Separating method for solution
JPS5483688A (en) * 1977-12-16 1979-07-03 Kurita Water Ind Ltd Desalting apparatus of sea water
US4153556A (en) * 1977-12-28 1979-05-08 Uop Inc. Method and apparatus for conditioning demineralized water
US4332685A (en) * 1978-01-26 1982-06-01 Ecodyne Corporation Method and apparatus for treating water
US4188291A (en) * 1978-04-06 1980-02-12 Anderson Donald R Treatment of industrial waste water
US4277336A (en) * 1978-07-17 1981-07-07 Henschel Jr Arthur O Multiple by-pass filter system
US4243523A (en) * 1978-08-07 1981-01-06 Allied Water Corporation Water purification process and system
IT7868888A0 (it) * 1978-08-10 1978-08-10 Fiat Eng Apparecchiatura per osmosi inversa
DE2920054A1 (de) * 1979-05-18 1980-11-20 Steinmueller Gmbh L & C Verfahren zur vorbehandlung von rohwasser fuer reversosmoseanlagen
JPS56139106A (en) * 1980-04-02 1981-10-30 Ebara Infilco Co Ltd Classification, purification, and concentration of solutes
US4289617A (en) * 1980-05-05 1981-09-15 Water Refining Company, Inc. Water softening and reverse osmosis system
US4313830A (en) * 1980-05-23 1982-02-02 Hydronautics, Incorporated Method for increasing the cross-flow microfiltration fluxes of waste waters containing suspended solids and/or emulsified oil
DE3105550C2 (de) * 1981-02-16 1983-10-20 Hager & Elsässer GmbH, 7000 Stuttgart Verfahren zur weitestgehenden Aufbereitung von Süßwasser, Brackwasser, Meerwasser und Abwasser zu Trink- und Brauchwasserzwecken
US4392959A (en) * 1981-05-15 1983-07-12 Coillet Dudley W Process for sterilization and removal of inorganic salts from a water stream
JPS58118538A (ja) * 1981-12-29 1983-07-14 Toray Eng Co Ltd 有機酸の回収方法
JPS58122084A (ja) * 1982-01-13 1983-07-20 Teijin Ltd 海水脱塩造水方法
JPS59112890A (ja) * 1982-12-20 1984-06-29 Japan Organo Co Ltd 逆浸透膜装置による脱塩方法

Also Published As

Publication number Publication date
BE902571A (fr) 1985-09-30
JPH06233B2 (ja) 1994-01-05
GB8513038D0 (en) 1985-06-26
IT1206531B (it) 1989-04-27
AU4309385A (en) 1985-12-12
US4574049A (en) 1986-03-04
IT8548158A0 (it) 1985-06-03
GB2159810B (en) 1988-03-16
JPS614591A (ja) 1986-01-10
AU568746B2 (en) 1988-01-07
FR2565221A1 (fr) 1985-12-06
GB2159810A (en) 1985-12-11
FR2565221B1 (fr) 1990-02-09
US4574049B1 (en) 1999-02-02
CA1251145A (en) 1989-03-14
ES8802480A1 (es) 1988-07-16
ES543825A0 (es) 1988-07-16
DE3520006A1 (de) 1985-12-05

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Legal Events

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D2 Grant after examination
8363 Opposition against the patent
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8339 Ceased/non-payment of the annual fee