DE2862213D1 - Hydrophobic polyurethane foams, process for their manufacture and their use to absorb oil and halogenated hydrophobic compounds, which may be halogenated, from water - Google Patents
Hydrophobic polyurethane foams, process for their manufacture and their use to absorb oil and halogenated hydrophobic compounds, which may be halogenated, from waterInfo
- Publication number
- DE2862213D1 DE2862213D1 DE7878100702T DE2862213T DE2862213D1 DE 2862213 D1 DE2862213 D1 DE 2862213D1 DE 7878100702 T DE7878100702 T DE 7878100702T DE 2862213 T DE2862213 T DE 2862213T DE 2862213 D1 DE2862213 D1 DE 2862213D1
- Authority
- DE
- Germany
- Prior art keywords
- halogenated
- hydrophobic
- manufacture
- water
- polyurethane foams
- 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
Links
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
- C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
- C08J9/0014—Use of organic additives
- C08J9/0028—Use of organic additives containing nitrogen
-
- 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
- C02F1/68—Treatment of water, waste water, or sewage by addition of specified substances, e.g. trace elements, for ameliorating potable water
- C02F1/681—Treatment of water, waste water, or sewage by addition of specified substances, e.g. trace elements, for ameliorating potable water by addition of solid materials for removing an oily layer on water
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
- C08G18/2805—Compounds having only one group containing active hydrogen
- C08G18/281—Monocarboxylic acid compounds
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
- C08G18/30—Low-molecular-weight compounds
- C08G18/36—Hydroxylated esters of higher fatty acids
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
- C08G18/30—Low-molecular-weight compounds
- C08G18/38—Low-molecular-weight compounds having heteroatoms other than oxygen
- C08G18/3819—Low-molecular-weight compounds having heteroatoms other than oxygen having nitrogen
- C08G18/3823—Low-molecular-weight compounds having heteroatoms other than oxygen having nitrogen containing -N-C=O groups
- C08G18/3825—Low-molecular-weight compounds having heteroatoms other than oxygen having nitrogen containing -N-C=O groups containing amide groups
-
- 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
- C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
- C08J9/0014—Use of organic additives
- C08J9/0023—Use of organic additives containing oxygen
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K5/00—Use of organic ingredients
- C08K5/04—Oxygen-containing compounds
- C08K5/09—Carboxylic acids; Metal salts thereof; Anhydrides thereof
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K5/00—Use of organic ingredients
- C08K5/04—Oxygen-containing compounds
- C08K5/10—Esters; Ether-esters
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K5/00—Use of organic ingredients
- C08K5/16—Nitrogen-containing compounds
- C08K5/20—Carboxylic acid amides
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G2110/00—Foam properties
- C08G2110/0041—Foam properties having specified density
- C08G2110/005—< 50kg/m3
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G2110/00—Foam properties
- C08G2110/0083—Foam properties prepared using water as the sole blowing agent
-
- 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
- C08J2375/00—Characterised by the use of polyureas or polyurethanes; Derivatives of such polymers
- C08J2375/04—Polyurethanes
-
- 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
- Y10S521/00—Synthetic resins or natural rubbers -- part of the class 520 series
- Y10S521/905—Hydrophilic or hydrophobic cellular product
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Medicinal Chemistry (AREA)
- Organic Chemistry (AREA)
- Polymers & Plastics (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Emergency Medicine (AREA)
- Polyurethanes Or Polyureas (AREA)
- Solid-Sorbent Or Filter-Aiding Compositions (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE7878100702T DE2862213D1 (en) | 1977-08-25 | 1978-08-18 | Hydrophobic polyurethane foams, process for their manufacture and their use to absorb oil and halogenated hydrophobic compounds, which may be halogenated, from water |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19772738268 DE2738268A1 (de) | 1977-08-25 | 1977-08-25 | Hydrophobe polyurethanschaumstoffe zur oelabsorption |
DE7878100702T DE2862213D1 (en) | 1977-08-25 | 1978-08-18 | Hydrophobic polyurethane foams, process for their manufacture and their use to absorb oil and halogenated hydrophobic compounds, which may be halogenated, from water |
Publications (1)
Publication Number | Publication Date |
---|---|
DE2862213D1 true DE2862213D1 (en) | 1983-05-05 |
Family
ID=6017233
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE19772738268 Withdrawn DE2738268A1 (de) | 1977-08-25 | 1977-08-25 | Hydrophobe polyurethanschaumstoffe zur oelabsorption |
DE7878100702T Expired DE2862213D1 (en) | 1977-08-25 | 1978-08-18 | Hydrophobic polyurethane foams, process for their manufacture and their use to absorb oil and halogenated hydrophobic compounds, which may be halogenated, from water |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE19772738268 Withdrawn DE2738268A1 (de) | 1977-08-25 | 1977-08-25 | Hydrophobe polyurethanschaumstoffe zur oelabsorption |
Country Status (4)
Country | Link |
---|---|
US (1) | US4237237A (de) |
EP (1) | EP0000933B1 (de) |
JP (1) | JPS5450099A (de) |
DE (2) | DE2738268A1 (de) |
Families Citing this family (62)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2901335A1 (de) * | 1979-01-15 | 1980-07-31 | Basf Ag | Verfahren zur abtrennung von hydrophoben organischen fluessigkeiten aus wasser |
US4310424A (en) * | 1980-07-23 | 1982-01-12 | Champion International Corporation | Apparatus and method for removing suspended solids from a stream |
NZ199916A (en) * | 1981-03-11 | 1985-07-12 | Unilever Plc | Low density polymeric block material for use as carrier for included liquids |
US4764282A (en) * | 1986-09-26 | 1988-08-16 | The Uniroyal Goodrich Tire Company | Disposal of toxic and polymeric wastes |
DE3711416A1 (de) * | 1987-04-04 | 1988-05-19 | Stuermer & Schuele Ohg | Verfahren zur reinigung von wasser und vorrichtung dafuer |
DE3718856A1 (de) * | 1987-06-05 | 1988-12-22 | Heinz Schnieders | Wasser-aufbereitungsanlage fuer mit umweltschaedlichen, organischen substanzen, wie z.b. chlorierten kohlenwasserstoffen, verunreinigtes wasser |
US4929359A (en) * | 1988-01-26 | 1990-05-29 | The United States Of America As Represented By The United States Department Of Energy | Treatment of concentrated industrial wastewaters originating from oil shale and the like by electrolysis polyurethane foam interaction |
US5074709A (en) * | 1990-01-29 | 1991-12-24 | Stensland Gary E | Device and method for containing fluid spills |
US5114272A (en) * | 1990-07-02 | 1992-05-19 | Brunhoff Frederic P | Detachable boom and method for its use |
US5248436A (en) * | 1991-02-25 | 1993-09-28 | Kovaletz Mark P | Method for dispensing a fluidic media for treatment of waterborne spilled petroleum |
EP0561760B1 (de) * | 1992-03-20 | 1998-08-26 | Monsanto Company | Extraktion organischer Verbindungen aus wässrigen Lösungen |
US5507949A (en) * | 1992-03-20 | 1996-04-16 | Monsanto Company | Supported liquid membrane and separation process employing same |
US6764603B2 (en) | 1992-08-07 | 2004-07-20 | Akzo Nobel Nv | Material for extracting hydrophobic components dissolved in water |
CA2103742C (en) * | 1992-08-11 | 2001-07-17 | Robert Ziolkowski Greenley | Novel solid poly-amphiphilic polymer having use in a separation process |
US5527834A (en) * | 1994-11-30 | 1996-06-18 | Inoac Corporation | Waterproof plastic foam |
GB2324798B (en) * | 1997-05-01 | 1999-08-18 | Ici Plc | Open celled cellular polyurethane products |
AU8728798A (en) * | 1997-07-23 | 1999-02-16 | Huntsman Ici Chemicals Llc | Foam for absorbing hydrophobic liquids |
US6100363A (en) * | 1998-03-13 | 2000-08-08 | Basf Corporation | Energy absorbing elastomers |
DE19928676A1 (de) | 1999-06-23 | 2000-12-28 | Basf Ag | Polyisocyanat-Polyadditionsprodukte |
US6573305B1 (en) | 1999-09-17 | 2003-06-03 | 3M Innovative Properties Company | Foams made by photopolymerization of emulsions |
US6353037B1 (en) | 2000-07-12 | 2002-03-05 | 3M Innovative Properties Company | Foams containing functionalized metal oxide nanoparticles and methods of making same |
US6747068B2 (en) | 2001-02-15 | 2004-06-08 | Wm. T. Burnett & Co. | Hydrophobic polyurethane foam |
US20030013777A1 (en) * | 2001-05-01 | 2003-01-16 | James Thornsberry | Closed-cell thermosetting plastic foams & methods of producing thereof using acetone and water as blowing agents |
US7138436B2 (en) | 2001-06-13 | 2006-11-21 | 3M Innovative Properties Company | Uncrosslinked foams made from emulsions |
US7169318B1 (en) * | 2003-03-18 | 2007-01-30 | Hall Richard H | Imbibed organic liquids, especially halogenated organics |
DE102004013827A1 (de) * | 2004-03-16 | 2005-10-06 | Bulling, Walter | Verfahren zum Herstellen eines Elementes aus weichelastischem PU-Schaumkunststoff und danach hergestelltes Element |
WO2005113659A2 (en) * | 2004-05-13 | 2005-12-01 | Smart, Robert, P. | Poly (p-pheneylene 2-6 benzobisoxazole) foams |
BRPI0708263A2 (pt) * | 2006-03-14 | 2011-05-24 | Huntsman Int Llc | composição, processos para a preparação de uma composição e para a produção de uma espuma de poliuretano, espuma, mistura, e, uso de uma composição |
DE102007020910A1 (de) | 2007-04-27 | 2008-11-06 | Erich Kumpf | Verfahren zum Herstellen eines Formstücks aus weichelastischem PU-Schaumkunststoff und danach hergestelltes Formstück zur Absorption von Kontaminationsstoffen im Wasser |
US8313527B2 (en) | 2007-11-05 | 2012-11-20 | Allergan, Inc. | Soft prosthesis shell texturing method |
WO2010019292A1 (en) * | 2008-08-13 | 2010-02-18 | Allergan, Inc. | Soft filled prosthesis shell with discrete fixation surfaces |
US9050184B2 (en) | 2008-08-13 | 2015-06-09 | Allergan, Inc. | Dual plane breast implant |
US8506627B2 (en) | 2008-08-13 | 2013-08-13 | Allergan, Inc. | Soft filled prosthesis shell with discrete fixation surfaces |
DE102009000578A1 (de) * | 2009-02-03 | 2010-08-12 | Alexander Noskow | Polyurethansorbens zur Entfernung von Kohlenwasserstoffen und Verfahren zur Reinigung von mit Kohlenwasserstoffen verunreinigten wässrigen Umgebungen und festen Oberflächen, welches das Polyurethansorbens verwendet |
US20110093069A1 (en) | 2009-10-16 | 2011-04-21 | Allergan, Inc. | Implants and methdos for manufacturing same |
US9044897B2 (en) | 2010-09-28 | 2015-06-02 | Allergan, Inc. | Porous materials, methods of making and uses |
US8889751B2 (en) | 2010-09-28 | 2014-11-18 | Allergan, Inc. | Porous materials, methods of making and uses |
US8877822B2 (en) | 2010-09-28 | 2014-11-04 | Allergan, Inc. | Porogen compositions, methods of making and uses |
US9138309B2 (en) | 2010-02-05 | 2015-09-22 | Allergan, Inc. | Porous materials, methods of making and uses |
US9205577B2 (en) | 2010-02-05 | 2015-12-08 | Allergan, Inc. | Porogen compositions, methods of making and uses |
US11202853B2 (en) | 2010-05-11 | 2021-12-21 | Allergan, Inc. | Porogen compositions, methods of making and uses |
EP2390275A1 (de) | 2010-05-27 | 2011-11-30 | Basf Se | Ölaufnehmende Polyurethanschwämme mit guten mechanischen Eigenschaften |
US9023908B2 (en) | 2010-05-27 | 2015-05-05 | Basf Se | Oil-absorbent polyurethane sponges with good mechanical properties |
US9115580B2 (en) | 2010-08-20 | 2015-08-25 | Baker Hughes Incorporated | Cellular pump |
CA2808857A1 (en) * | 2010-08-20 | 2012-02-23 | Allergan, Inc. | Textured breast implant materials and methods of making |
US8616272B2 (en) | 2010-08-20 | 2013-12-31 | Baker Hughes Incorporated | Downhole water-oil separation arrangement and method |
DE102011007479A1 (de) * | 2011-04-15 | 2012-10-18 | Evonik Goldschmidt Gmbh | Zusammensetzung, enthaltend spezielle Amide und organomodifizierte Siloxane, geeignet zur Herstellung von Polyurethanschäumen |
BRPI1103089A2 (pt) * | 2011-06-02 | 2012-07-10 | Laurencio Cuevas Perlaza | material absorvente para emprego na remoção de efluentes oleosos e processo para produção de material absorvente para emprego na remoção de efluentes oleosos |
US8801782B2 (en) | 2011-12-15 | 2014-08-12 | Allergan, Inc. | Surgical methods for breast reconstruction or augmentation |
CN102786647B (zh) * | 2012-06-01 | 2014-05-07 | 江苏瑞丰科技实业有限公司 | 一种可生物降解聚氨酯吸油材料及其制备方法 |
EP2677030A1 (de) | 2012-06-21 | 2013-12-25 | Latvijas Valsts Koksnes kimijas instituts | Starre und flexible Polyurethanschäume als aus Holzrohmaterialien gewonnener Verbundstoff zur Verwendung bei der Immobilisierung von ligninolytische Enzyme produzierenden Mikroorganismen |
AU2013359158B2 (en) | 2012-12-13 | 2018-08-02 | Allergan, Inc. | Device and method for making a variable surface breast implant |
WO2014127179A1 (en) | 2013-02-14 | 2014-08-21 | The Research Foundation For The State University Of New York | Modified hydrophobic sponges |
US9931611B2 (en) | 2013-11-04 | 2018-04-03 | The Research Foundation For The State University Of New York | Modified hydrophobic sponges |
US10092392B2 (en) | 2014-05-16 | 2018-10-09 | Allergan, Inc. | Textured breast implant and methods of making same |
AU2015258842B2 (en) | 2014-05-16 | 2020-01-02 | Allergan, Inc. | Soft filled prosthesis shell with variable texture |
CN104163934A (zh) * | 2014-07-29 | 2014-11-26 | 江苏大学 | 一种多孔疏水亲油海绵的制备方法 |
CA3045033A1 (en) * | 2016-11-29 | 2018-06-07 | Salvatore A. Diloreto | Spray foam building insulation for exterior applications |
CN107892759A (zh) * | 2017-10-19 | 2018-04-10 | 苏州无为环境科技有限公司 | 一种脂肪酸修饰的超疏水聚氨酯泡沫吸油材料的制备方法 |
CN108192322A (zh) * | 2017-12-04 | 2018-06-22 | 张芸 | 一种疏水亲油型聚氨酯海绵的制备方法 |
CN108587122A (zh) * | 2018-03-23 | 2018-09-28 | 长沙小新新能源科技有限公司 | 一种高吸油高回弹海绵及其制备方法 |
WO2021150174A1 (en) * | 2020-01-20 | 2021-07-29 | Özerden Plasti̇k Sanayi̇ Ve Ti̇caret Anoni̇m Şi̇rketi̇ | Low density polyurethane foam using functionalized castor oil |
Family Cites Families (20)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE960855C (de) * | 1954-08-20 | 1957-03-28 | Bayer Ag | Verfahren zur Herstellung von Urethan-Gruppen enthaltenden Schaumstoffen |
US3165483A (en) * | 1961-02-23 | 1965-01-12 | Mobay Chemical Corp | Skeletal polyurethane foam and method of making same |
US3505250A (en) * | 1966-09-08 | 1970-04-07 | Mobay Chemical Corp | Polyurethane plastics |
US3476933A (en) * | 1966-10-21 | 1969-11-04 | Westinghouse Electric Corp | Large-celled polyurethane foam |
US3487927A (en) | 1967-10-02 | 1970-01-06 | Standard Oil Co | Method and apparatus for separating water and oil |
US3567663A (en) * | 1968-01-05 | 1971-03-02 | Scott Paper Co | Low permeability polyurethane foam and process for the manufacture thereof |
DE1944679A1 (de) * | 1969-09-03 | 1971-03-04 | Collo Rheincollodium Koeln Gmb | Verfahren und Einrichtungen zur Beseitigung von OElverschmutzungen od.dgl. |
US3679058A (en) * | 1970-01-27 | 1972-07-25 | Millard F Smith | Oil collection boom |
US3886067A (en) * | 1970-02-03 | 1975-05-27 | Salvatore W Miranda | Process for controlling oil slicks |
US3617551A (en) * | 1970-03-18 | 1971-11-02 | Standard Oil Co | Apparatus and process for purifying oil-contaminated water |
US3681237A (en) * | 1971-03-26 | 1972-08-01 | Membrionics Corp | Oil spillage control process |
GB1319747A (en) | 1971-04-06 | 1973-06-06 | Monsanto Res Corp | Porous resinous bodies |
CA996037A (en) * | 1972-02-22 | 1976-08-31 | John Jay | Plastic foam filter |
US3779908A (en) * | 1972-03-17 | 1973-12-18 | Continental Oil Co | Coalescence of water and oleophilic liquid dispersions by passage through a permeable, oleophilic liquid equilibrated, foam of polyurethane |
AT313206B (de) * | 1972-03-20 | 1974-02-11 | Peter Jakubek Dipl Ing Dr Tech | Verfahren zum Reinigen von mit spezifisch leichteren Flüssigkeiten verunreinigten Flüssigkeiten sowie Vorrichtung zur Durchführung des Verfahrens |
US3959191A (en) * | 1973-01-11 | 1976-05-25 | W. R. Grace & Co. | Novel hydrophobic polyurethane foams |
US3953406A (en) * | 1973-01-26 | 1976-04-27 | California Institute Of Technology | Water-insoluble, swellable polyurethanes |
US3888766A (en) * | 1973-03-09 | 1975-06-10 | Uniroyal Inc | Oil sorption material |
US3917528A (en) * | 1973-05-29 | 1975-11-04 | Sorbent Sciences Corp | Foraminous composition for removal of oleophilic material from the surface of water |
US3884848A (en) * | 1973-11-14 | 1975-05-20 | Tenneco Chem | Manufacture of membrane-free nonlustrous polyurethane foam |
-
1977
- 1977-08-25 DE DE19772738268 patent/DE2738268A1/de not_active Withdrawn
-
1978
- 1978-08-18 EP EP78100702A patent/EP0000933B1/de not_active Expired
- 1978-08-18 DE DE7878100702T patent/DE2862213D1/de not_active Expired
- 1978-08-25 JP JP10280478A patent/JPS5450099A/ja active Pending
-
1979
- 1979-04-30 US US06/034,541 patent/US4237237A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
US4237237A (en) | 1980-12-02 |
EP0000933B1 (de) | 1983-03-30 |
EP0000933A1 (de) | 1979-03-07 |
DE2738268A1 (de) | 1979-03-08 |
JPS5450099A (en) | 1979-04-19 |
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