ES2143129T3 - Polimeros funcionalizados microemulsionados. - Google Patents
Polimeros funcionalizados microemulsionados.Info
- Publication number
- ES2143129T3 ES2143129T3 ES96118624T ES96118624T ES2143129T3 ES 2143129 T3 ES2143129 T3 ES 2143129T3 ES 96118624 T ES96118624 T ES 96118624T ES 96118624 T ES96118624 T ES 96118624T ES 2143129 T3 ES2143129 T3 ES 2143129T3
- Authority
- ES
- Spain
- Prior art keywords
- microemulsioned
- functionalized polymers
- around
- floculation
- dispersions
- Prior art date
- 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 - Lifetime
Links
- 229920000642 polymer Polymers 0.000 title abstract 2
- 239000006185 dispersion Substances 0.000 abstract 1
- 239000011859 microparticle Substances 0.000 abstract 1
- 239000002245 particle Substances 0.000 abstract 1
- 239000007787 solid Substances 0.000 abstract 1
- 230000008719 thickening Effects 0.000 abstract 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J3/00—Processes of treating or compounding macromolecular substances
- C08J3/12—Powdering or granulating
-
- 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
- C08F8/00—Chemical modification by after-treatment
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H21/00—Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties
- D21H21/14—Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties characterised by function or properties in or on the paper
- D21H21/18—Reinforcing agents
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H21/00—Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties
- D21H21/14—Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties characterised by function or properties in or on the paper
- D21H21/18—Reinforcing agents
- D21H21/20—Wet strength agents
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2300/00—Characterised by the use of unspecified polymers
- C08J2300/14—Water soluble or water swellable polymers, e.g. aqueous gels
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2333/00—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Derivatives of such polymers
- C08J2333/24—Homopolymers or copolymers of amides or imides
- C08J2333/26—Homopolymers or copolymers of acrylamide or methacrylamide
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H17/00—Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution
- D21H17/20—Macromolecular organic compounds
- D21H17/33—Synthetic macromolecular compounds
- D21H17/34—Synthetic macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
- D21H17/37—Polymers of unsaturated acids or derivatives thereof, e.g. polyacrylates
- D21H17/375—Poly(meth)acrylamide
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H17/00—Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution
- D21H17/20—Macromolecular organic compounds
- D21H17/33—Synthetic macromolecular compounds
- D21H17/34—Synthetic macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
- D21H17/38—Synthetic macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds containing crosslinkable groups
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H21/00—Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties
- D21H21/50—Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties characterised by form
- D21H21/52—Additives of definite length or shape
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Health & Medical Sciences (AREA)
- General Chemical & Material Sciences (AREA)
- Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
- Polymerisation Methods In General (AREA)
- Processes Of Treating Macromolecular Substances (AREA)
- Colloid Chemistry (AREA)
- Separation Of Suspended Particles By Flocculating Agents (AREA)
- Polishing Bodies And Polishing Tools (AREA)
- Sampling And Sample Adjustment (AREA)
- Nitrogen And Oxygen Or Sulfur-Condensed Heterocyclic Ring Systems (AREA)
Abstract
SE PREPARAN MICROPARTICULAS DE POLIMERO FUNCIONALIZADO QUE TIENEN DIAMETROS DE PARTICULA DE DESDE ALREDEDOR DE 200 A ALREDEDOR DE 4000A Y SON UTILES AL FACILITAR UNA VARIEDAD DE FLOCULACION Y ENGROSAMIENTO DE DISPERSIONES DE APLICACIONES DE SOLIDOS SUSPENDIDOS.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US28607888A | 1988-12-19 | 1988-12-19 | |
| US07/428,704 US4956400A (en) | 1988-12-19 | 1989-10-30 | Microemulsified functionalized polymers |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| ES2143129T3 true ES2143129T3 (es) | 2000-05-01 |
Family
ID=26963574
Family Applications (4)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| ES96118622T Expired - Lifetime ES2145963T3 (es) | 1988-12-19 | 1989-11-16 | Polimeros funcionalizados microemulsionados. |
| ES96118624T Expired - Lifetime ES2143129T3 (es) | 1988-12-19 | 1989-11-16 | Polimeros funcionalizados microemulsionados. |
| ES89121217T Expired - Lifetime ES2103704T5 (es) | 1988-12-19 | 1989-11-16 | Polimeros funcionalizados emulsionados. |
| ES96118623T Expired - Lifetime ES2143128T3 (es) | 1988-12-19 | 1989-11-16 | Polimeros funcionalizados microemulsionados. |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| ES96118622T Expired - Lifetime ES2145963T3 (es) | 1988-12-19 | 1989-11-16 | Polimeros funcionalizados microemulsionados. |
Family Applications After (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| ES89121217T Expired - Lifetime ES2103704T5 (es) | 1988-12-19 | 1989-11-16 | Polimeros funcionalizados emulsionados. |
| ES96118623T Expired - Lifetime ES2143128T3 (es) | 1988-12-19 | 1989-11-16 | Polimeros funcionalizados microemulsionados. |
Country Status (15)
| Country | Link |
|---|---|
| US (1) | US4956400A (es) |
| EP (4) | EP0763547B1 (es) |
| JP (1) | JP2744096B2 (es) |
| KR (1) | KR0154321B1 (es) |
| AT (4) | ATE190321T1 (es) |
| AU (1) | AU613815B2 (es) |
| BR (1) | BR8906586A (es) |
| CA (1) | CA2005668C (es) |
| DE (4) | DE68929175T2 (es) |
| ES (4) | ES2145963T3 (es) |
| GR (1) | GR3026043T3 (es) |
| LV (1) | LV11186B (es) |
| RU (2) | RU2056434C1 (es) |
| SK (1) | SK716689A3 (es) |
| TW (1) | TW589334B (es) |
Families Citing this family (41)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6130303A (en) * | 1988-12-19 | 2000-10-10 | Cytec Technology Corp. | Water-soluble, highly branched polymeric microparticles |
| US5037881A (en) * | 1989-10-30 | 1991-08-06 | American Cyanamid Company | Emulsified mannich acrylamide polymers |
| US5723548A (en) * | 1988-12-19 | 1998-03-03 | Cytec Technology Corp. | Emulsified mannich acrylamide polymers |
| USRE37037E1 (en) | 1988-12-19 | 2001-01-30 | Cytec Technology Corp. | Emulsified mannich acrylamide polymers |
| JP3042546B2 (ja) * | 1991-04-23 | 2000-05-15 | 昭和電工株式会社 | 微粒子状の架橋型n−ビニルアミド樹脂及びミクロゲル、その製造法及び用途 |
| US5239008A (en) * | 1991-06-28 | 1993-08-24 | National Starch And Chemical Investment Holding Corporation | Graft polymerization process using microfluidization in an aqueous emulsion system |
| US5627260A (en) * | 1993-02-12 | 1997-05-06 | Cytec Technology Corp. | Quaternized tertiary aminomethyl acrylamide polymer microemulsions with improved performance |
| US5914366A (en) * | 1993-11-24 | 1999-06-22 | Cytec Technology Corp. | Multimodal emulsions and processes for preparing multimodal emulsions |
| US5763530A (en) * | 1993-11-24 | 1998-06-09 | Cytec Technology Corp. | Stable emulsion blends and methods for their use |
| US5380444A (en) * | 1994-02-23 | 1995-01-10 | Cytec Technology Corp. | Ampholytic polymers and polymeric microemulsions |
| US5650465A (en) * | 1994-02-23 | 1997-07-22 | Cytec Technology Corp. | Ampholytic polymers and polymeric microemulsions |
| WO1996005146A1 (en) * | 1994-08-12 | 1996-02-22 | Cytec Technology Corp. | A method of stabilizing slurries |
| US20030192664A1 (en) * | 1995-01-30 | 2003-10-16 | Kulick Russell J. | Use of vinylamine polymers with ionic, organic, cross-linked polymeric microbeads in paper-making |
| WO1996037441A1 (en) * | 1995-05-24 | 1996-11-28 | Cytec Technology Corp. | Flash point stabilized tertiary aminomethylated (alk)acrylamide polymer microemulsions |
| US6011089A (en) * | 1995-06-07 | 2000-01-04 | Cytec Technology Corp. | Spray drying of polymer-containing dispersions, water-in-oil emulsions and water-in-oil microemulsions, and dry polymer products formed thereby |
| US6080804A (en) * | 1995-06-07 | 2000-06-27 | Cytec Technology Corp. | Spray drying of functionalized polyacrylamide microemulsions |
| US5869542A (en) * | 1995-06-07 | 1999-02-09 | Cytec Technology Corp. | Spray drying of polymer-containing dispersions, water-in-oil emulsions and microemulsions and dry polymer products formed thereby |
| US5849862A (en) * | 1995-06-07 | 1998-12-15 | Cytec Technology Corp. | Processes of spray drying polymer-containing dispersions, water-in-oil emulsions and water-in-oil microemulsions |
| US5879564A (en) * | 1995-11-14 | 1999-03-09 | Cytec Technology Corp. | High performance polymer flocculating agents |
| US5807489A (en) * | 1995-11-14 | 1998-09-15 | Cytec Technology Corp. | High performance polymer flocculating agents |
| US5789472A (en) * | 1996-03-20 | 1998-08-04 | Cytec Technology Corp. | Quaternary mannich polymer microemulsion (QMM) with rapid standard viscosity (SV) development |
| US5922794A (en) * | 1997-03-26 | 1999-07-13 | General Electric Company | Compositions stabilized with tertiary amine oxides |
| US6103861A (en) * | 1997-12-19 | 2000-08-15 | Hercules Incorporated | Strength resins for paper and repulpable wet and dry strength paper made therewith |
| US6117938A (en) * | 1998-02-06 | 2000-09-12 | Cytec Technology Corp. | Polymer blends for dewatering |
| US6274667B1 (en) | 1999-01-25 | 2001-08-14 | Kimberly-Clark Worldwide, Inc. | Synthetic polymers having hydrogen bonding capability and containing aliphatic hydrocarbon moieties |
| US6454003B1 (en) * | 2000-06-14 | 2002-09-24 | Ondeo Nalco Energy Services, L.P. | Composition and method for recovering hydrocarbon fluids from a subterranean reservoir |
| RU2195464C1 (ru) * | 2001-11-26 | 2002-12-27 | Общество с ограниченной ответственностью Научно-производственное предприятие "КФ" | Способ получения органического анионного полиэлектролита |
| US7226957B1 (en) * | 2003-11-03 | 2007-06-05 | University Of Iowa Research Foundation | Method for producing polymers with controlled molecular weight and end group functionality using photopolymerization in microemulsions |
| WO2005103091A1 (en) * | 2004-04-21 | 2005-11-03 | Ciba Specialty Chemicals Water Treatments Limited | Composition and method of preparing high solid emulsions |
| US7488781B2 (en) * | 2005-05-25 | 2009-02-10 | Gore Enterprise Holdings, Inc. | High purity transparent perfluoroelastomer parts and a process to produce the same |
| US20060270780A1 (en) * | 2005-05-25 | 2006-11-30 | Ping Xu | High purity perfluoroelastomer composites and a processes to produce the same |
| CN100344654C (zh) * | 2005-07-14 | 2007-10-24 | 中国科学院长春应用化学研究所 | 一种水溶性高分子材料的制备方法 |
| FI123480B (fi) | 2006-07-07 | 2013-05-31 | Upm Kymmene Corp | Menetelmä märkälujuuden parantamiseksi ja paperituote, jolla on parannettu märkälujuus |
| US20100300928A1 (en) * | 2009-05-29 | 2010-12-02 | Dow Global Technologies Inc. | Aqueous compositions for enhanced hydrocarbon fluid recovery and methods of their use |
| BR112013007705A2 (pt) * | 2010-10-18 | 2016-08-09 | Kraton Polymers Us Llc | solução tendo uma composição de copolímero em bloco sulfonado, película ou membrana, dispersão aquosa, compósito, composição de copolímeto em bloco sulfonado, processo, método para formar uma composição de copolímero em bloco sulfonado, e, célula eletrodialítica |
| US9120965B2 (en) | 2012-01-27 | 2015-09-01 | Nalco Company | Composition and method for recovering hydrocarbon fluids from a subterranean reservoir |
| US10442980B2 (en) * | 2014-07-29 | 2019-10-15 | Ecolab Usa Inc. | Polymer emulsions for use in crude oil recovery |
| MX2018015283A (es) | 2016-06-10 | 2019-04-09 | Ecolab Usa Inc | Polimero de polvo seco de bajo peso molecular para usar como agente de resistencia en estado seco que fabrica papel. |
| BR112019022286A2 (pt) | 2017-04-27 | 2020-05-19 | Bp Exploration Operating Company Limited | micropartículas e método para modificar a permeabilidade de uma zona de reservatório |
| BR112020001752B1 (pt) | 2017-07-31 | 2024-01-09 | Ecolab Usa Inc | Método para incorporar um auxiliar de resistência de polímero de baixo peso molecular em um processo de fabricação de papel |
| WO2019118675A1 (en) | 2017-12-13 | 2019-06-20 | Ecolab Usa Inc. | Solution comprising an associative polymer and a cyclodextrin polymer |
Family Cites Families (24)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB216149A (en) | 1923-05-16 | 1925-04-02 | Tria Maschinen G M B H | Improvements in toothed gearing |
| US3556932A (en) | 1965-07-12 | 1971-01-19 | American Cyanamid Co | Water-soluble,ionic,glyoxylated,vinylamide,wet-strength resin and paper made therewith |
| SE315408B (es) * | 1965-10-19 | 1969-09-29 | Dow Chemical Co | |
| US3539535A (en) | 1968-11-04 | 1970-11-10 | Dow Chemical Co | Cationic carbamoyl polymers |
| US3732184A (en) * | 1971-04-22 | 1973-05-08 | Tanner Co Chas S | Emulsion polymerization method |
| US3790529A (en) | 1971-10-05 | 1974-02-05 | Rei Tech Inc | Process for producing cationic water soluble polymer by reacting formaldehyde,amine,a polymer of acrylamide or methacrylamide and precipitating said polymer with a water soluble salt of a polybasic acid |
| JPS5146154B2 (es) | 1972-05-11 | 1976-12-07 | ||
| CH594444A5 (es) | 1972-12-04 | 1978-01-13 | Gerd Birrenbach | |
| US4093542A (en) | 1973-07-04 | 1978-06-06 | Chemische Fabrik Stockhausen & Cie | Flocculating agent comprising water-in-oil emulsion of H-active polymer carrying formaldehyde and amine radicals |
| US3979348A (en) | 1974-06-17 | 1976-09-07 | Nalco Chemical Company | Ionic polymers from acrylamide latex polymers |
| US4172066A (en) * | 1974-06-21 | 1979-10-23 | The Dow Chemical Company | Cross-linked, water-swellable polymer microgels |
| US4010131A (en) | 1974-07-08 | 1977-03-01 | Nalco Chemical Company | Quaternary modified acrylamide polymers |
| GB1489523A (en) | 1974-07-19 | 1977-10-19 | Nalco Chemical Co | Method for the stability of a water-in-oil emulsion of a finely divided cationically acrylamide polymer |
| US4113685A (en) | 1975-01-02 | 1978-09-12 | Chemische Fabrik Stockhausen & Cie | Flocculating agent comprising water-in-oil emulsion of stabilizer plus NH-active polymer carrying formaldehyde and amine radicals |
| US4022741A (en) | 1975-11-12 | 1977-05-10 | Nalco Chemical Company | Continuous process for the preparation of a cationically modified acrylamide polymer |
| US4021394A (en) | 1975-11-12 | 1977-05-03 | Nalco Chemical Company | Continuous process for the preparation of a cationically modified acrylamide polymer |
| US4110520A (en) * | 1976-12-17 | 1978-08-29 | Kyoritsu Yuki Co., Ltd. | Modification of water-soluble acrylic polymer |
| JPS53102993A (en) * | 1977-02-22 | 1978-09-07 | Sanyo Chem Ind Ltd | Pruduction of powdered cationic carbamoyl polymer |
| FR2398762A1 (fr) * | 1977-07-28 | 1979-02-23 | Marpha Etudes Expl Marques | Gels aqueux actives de copolymeres a base de n-(tris(hydroxy-methyl)methyl)acrylamide ou de n-(tris(hydroxymethyl)methyl)methacrylamide leur preparation et leur emploi dans les techniques d'immobilisation des substances naturelles |
| US4233417A (en) | 1979-03-19 | 1980-11-11 | Monsanto Company | Wet strength polymers |
| FR2524895A1 (fr) | 1982-04-09 | 1983-10-14 | Inst Francais Du Petrole | Procede de preparation de microlatex en phase huileuse continue par polymerisation en micro-emulsion du type eau dans l'huile d'un monomere hydrosoluble, microlatex obtenus et leur utilisation en recuperation assistee du petrole |
| JPS6090243A (ja) * | 1983-10-25 | 1985-05-21 | Nitto Boseki Co Ltd | 小球状モノアリルアミン橋かけ重合体の製造方法 |
| NO165879C (no) * | 1984-06-07 | 1991-04-24 | Inst Francais Du Petrole | Fremgangsmaate for fremstilling av en invers, stabil mikrolateks. |
| GB8518900D0 (en) | 1985-07-26 | 1985-09-04 | Allied Colloids Ltd | Polymeric products |
-
1989
- 1989-10-30 US US07/428,704 patent/US4956400A/en not_active Expired - Lifetime
- 1989-11-16 DE DE68929175T patent/DE68929175T2/de not_active Expired - Fee Related
- 1989-11-16 AT AT96118624T patent/ATE190321T1/de not_active IP Right Cessation
- 1989-11-16 ES ES96118622T patent/ES2145963T3/es not_active Expired - Lifetime
- 1989-11-16 ES ES96118624T patent/ES2143129T3/es not_active Expired - Lifetime
- 1989-11-16 ES ES89121217T patent/ES2103704T5/es not_active Expired - Lifetime
- 1989-11-16 DE DE68929174T patent/DE68929174T2/de not_active Expired - Fee Related
- 1989-11-16 AT AT96118622T patent/ATE192752T1/de not_active IP Right Cessation
- 1989-11-16 DE DE68929209T patent/DE68929209T2/de not_active Expired - Fee Related
- 1989-11-16 AT AT96118623T patent/ATE190322T1/de not_active IP Right Cessation
- 1989-11-16 EP EP96118622A patent/EP0763547B1/en not_active Expired - Lifetime
- 1989-11-16 AT AT89121217T patent/ATE155492T1/de not_active IP Right Cessation
- 1989-11-16 EP EP96118623A patent/EP0764661B1/en not_active Expired - Lifetime
- 1989-11-16 EP EP96118624A patent/EP0763548B1/en not_active Expired - Lifetime
- 1989-11-16 DE DE68928178T patent/DE68928178T3/de not_active Expired - Fee Related
- 1989-11-16 ES ES96118623T patent/ES2143128T3/es not_active Expired - Lifetime
- 1989-11-16 EP EP89121217A patent/EP0374478B2/en not_active Expired - Lifetime
- 1989-11-20 TW TW078108930A patent/TW589334B/zh not_active IP Right Cessation
- 1989-12-15 CA CA002005668A patent/CA2005668C/en not_active Expired - Lifetime
- 1989-12-18 SK SK7166-89A patent/SK716689A3/sk unknown
- 1989-12-18 AU AU46888/89A patent/AU613815B2/en not_active Ceased
- 1989-12-18 KR KR1019890018996A patent/KR0154321B1/ko not_active Expired - Fee Related
- 1989-12-19 BR BR898906586A patent/BR8906586A/pt not_active IP Right Cessation
- 1989-12-19 JP JP1327457A patent/JP2744096B2/ja not_active Expired - Lifetime
-
1992
- 1992-09-15 RU SU925052697A patent/RU2056434C1/ru active
- 1992-09-15 RU SU925052695A patent/RU2056433C1/ru active
-
1993
- 1993-06-30 LV LVP-93-919A patent/LV11186B/lv unknown
-
1997
- 1997-07-17 GR GR960403034T patent/GR3026043T3/el unknown
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