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1969-12-20 |
1975-01-21 |
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1970-04-15 |
1973-03-13 |
Celanese Corp |
Reverse osmosis process employing polybenzimidazole membranes
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1970-09-25 |
1972-07-11 |
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Filter device
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1970-11-12 |
1972-05-16 |
Ppg Industries Inc |
Pretreating electrodepositable compositions
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1971-12-28 |
1973-07-12 |
Sartorius Membranfilter Gmbh |
Mehrschichten-filtermembrane, verfahren zu deren herstellung und deren verwendung
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1972-01-19 |
1974-10-15 |
Celanese Corp |
Production of semipermeable polybenzimidazole membranes
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1972-07-20 |
1974-12-10 |
Du Pont |
Membrane separation of homogeneous catalysts from nitrile solutions
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1972-08-16 |
1975-12-23 |
Uniroyal Ltd. |
Process for the purification and concentration of solutions derived from marine algae
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1972-09-12 |
1975-03-14 |
Rhone Poulenc Ind |
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1973-12-10 |
1975-05-13 |
Wadley Res Inst & Blood Bank |
Detoxification of saponins
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JPS5325344B2
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1974-03-28 |
1978-07-26 |
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1974-04-01 |
1978-04-19 |
Gen Electric |
Membranes
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1974-04-19 |
1975-10-30 |
Bayer Ag |
Asymmetrische, semipermeable membranen aus polybenz-1,3-oxazindionen-2,4
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1974-05-20 |
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1974-06-05 |
1978-09-12 |
E. I. Du Pont De Nemours And Company |
Asymmetric polyimide membranes
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1974-06-28 |
1982-03-04 |
Bayer Ag, 5090 Leverkusen |
Asymmetrische, semipermeable Membranen aus cyclischen Polyharnstoffen und deren Verwendung zur Meerwasserentsalzung oder zur Trennung und Konzentrierung von Stoffgemischen
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1975-02-15 |
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Asahi Kasei Kogyo Kabushiki |
Membrane filtration type hollow fibers
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1975-07-30 |
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Consiglio Nazionale Ricerche |
Procedimento di preparazione di membrane anisotrope supportate per osmosi inversa a base di poliammidi sintetiche
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1976-03-31 |
1978-01-17 |
C. R. Bard, Inc. |
Thin polycarbonate membranes for use in hemodialysis
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1976-11-18 |
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Dynapol |
Efficiency of ultrafiltration purification of solutions of polymeric colorants by inorganic base addition
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1976-11-18 |
1980-02-19 |
Dynapol |
Salt addition in ultrafiltration purification of solutions of polymeric colorants
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1977-10-21 |
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Unisearch Limited |
Anisotropic multilayered synthetic semipermeable membrane
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1978-08-09 |
1980-02-21 |
Nitto Electric Ind Co Ltd |
Tubular membrane separating module
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1979-07-26 |
1983-04-13 |
Ube Industries, Ltd. |
Verfahren zur Herstellung semipermeabler, aromatischer Polyimidmembranen
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Preparation of gas separation membranes
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1980-04-08 |
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Asymmetric ultrafiltration membrane and production thereof
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1980-07-16 |
1987-06-25 |
Ici Plc |
Shaped articles formed from polymers capable of exhibiting anisotropic melts
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1981-03-31 |
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1982-01-15 |
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Continuous production of polymethylpentene membranes
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Amf Incorporated |
Filter element having microporous filter membrane
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1990-03-06 |
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Filter element having microporous membrane
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1983-04-18 |
1986-09-23 |
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Composite membranes based on interpenetrating polymer networks
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1984-10-31 |
1986-05-07 |
Kernforschungsanlage Jülich GmbH, 5170 Jülich |
Verfahren zur bestimmung des gehaltes an in einem loesungsmittel geloesten stoffen
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1984-11-13 |
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Method for the preparation of composite membranes based on interpenetrating polymer networks
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Facilitated gas enrichment membrane composites and a process for the preparation thereof
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1986-02-21 |
1988-05-31 |
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Composite membranes based on interpenetrating polymer networks
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Allied-Signal Inc. |
Separation of gases through gas enrichment membrane composites
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1989-02-02 |
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Hoechst Ag |
Semipermeable membran aus einer homogen mischbaren polymerlegierung
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The Dow Chemical Company |
High purity polyether polyols
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Hoechst Celanese Corporation |
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1994-12-16 |
1997-01-24 |
Coatex Sa |
Procede d'obtention d'agents de broyage et/ou de dispersion par separation physico-chimique, agents obtenus et leurs utilisations
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Gambro Lundia Ab |
Permselektivt membran
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Permselektivt membran och förfarande för tillverkning därav
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2005-02-14 |
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快適な眼科用具およびその製造法
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2006-02-10 |
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Johnson & Johnson Vision Care, Inc. |
Comfortable ophthalmic device and methods of its production
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