BE739700A - - Google Patents

Info

Publication number
BE739700A
BE739700A BE739700DA BE739700A BE 739700 A BE739700 A BE 739700A BE 739700D A BE739700D A BE 739700DA BE 739700 A BE739700 A BE 739700A
Authority
BE
Belgium
Application number
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 BE739700A publication Critical patent/BE739700A/xx

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D71/00—Semi-permeable membranes for separation processes or apparatus characterised by the material; Manufacturing processes specially adapted therefor
    • B01D71/06—Organic material
    • B01D71/56—Polyamides, e.g. polyester-amides

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)
BE739700D 1968-10-02 1969-10-01 BE739700A (OSRAM)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR168446 1968-10-02

Publications (1)

Publication Number Publication Date
BE739700A true BE739700A (OSRAM) 1970-04-01

Family

ID=8655196

Family Applications (1)

Application Number Title Priority Date Filing Date
BE739700D BE739700A (OSRAM) 1968-10-02 1969-10-01

Country Status (11)

Country Link
US (1) US3686116A (OSRAM)
BE (1) BE739700A (OSRAM)
BR (1) BR6912815D0 (OSRAM)
CH (1) CH511916A (OSRAM)
DE (1) DE1949847A1 (OSRAM)
ES (1) ES372085A1 (OSRAM)
FR (1) FR1587787A (OSRAM)
GB (1) GB1227280A (OSRAM)
IL (1) IL33093A (OSRAM)
LU (1) LU59552A1 (OSRAM)
NL (1) NL6914496A (OSRAM)

Families Citing this family (33)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2193634A1 (en) * 1972-07-20 1974-02-22 Du Pont Polyimide semi-permeable membranes
US3822202A (en) * 1972-07-20 1974-07-02 Du Pont Heat treatment of membranes of selected polyimides,polyesters and polyamides
US3993625A (en) * 1973-05-28 1976-11-23 Toray Industries, Inc. Permselective polymeric membranes of organic polyamide or polyhydrazide
US3951789A (en) * 1973-10-11 1976-04-20 Allied Chemical Corporation Novel high diffusivity membranes
DE2418996A1 (de) * 1974-04-19 1975-10-30 Bayer Ag Asymmetrische, semipermeable membranen aus polybenz-1,3-oxazindionen-2,4
DE2602493A1 (de) * 1975-01-27 1976-07-29 Ramot Plastics Verfahren zur entfernung von harnstoff aus waessrigen loesungen
JPS5193786A (en) * 1975-02-15 1976-08-17 Makurokagatano chukuseni
GB1586167A (en) * 1976-09-24 1981-03-18 Bfg Glassgroup Moulding solid layers
DE2704600C3 (de) * 1977-02-04 1988-05-26 Hoechst Ag, 6230 Frankfurt Permselektive, asymmetrische Hämofiltrationsmembran mit heteroporöser Struktur auf Basis von Polyamid
JPS5443882A (en) * 1977-09-14 1979-04-06 Nippon Zeon Co Ltd Preparation of semipermeable membrane
FI913567A0 (fi) * 1989-01-31 1991-07-25 Du Pont Peroesa substrat med hoeg koncentration av amingrupper.
US5352273A (en) * 1993-04-14 1994-10-04 E. I. Du Pont De Nemours And Company Alkyl substituted aromatic polyester gas separation membranes
US8181794B2 (en) * 2009-08-24 2012-05-22 Oasys Water, Inc. Forward osmosis membranes
WO2011069050A1 (en) 2009-12-03 2011-06-09 Yale University High flux thin-film composite forward osmosis and pressure-retarded osmosis membranes
WO2012108914A2 (en) 2010-10-04 2012-08-16 Oasys Water, Inc. Thin film composite heat exchangers
ES2523453T3 (es) 2011-01-24 2014-11-26 Dow Global Technologies Llc Método para preparar una membrana de material compuesto de poliamida
WO2013032586A1 (en) 2011-08-31 2013-03-07 Dow Global Technologies Llc Composite polyamide membrane derived from monomer including amine-reactive and phosphorous-containing functional groups
US9029600B2 (en) 2011-09-29 2015-05-12 Dow Global Technologies Llc Method for preparing high purity mono-hydrolyzed acyl halide compound
EP2776146B1 (en) 2012-01-06 2020-05-13 DDP Specialty Electronic Materials US, Inc. Method of preparation of a composite polyamide membrane
US9662615B2 (en) 2012-07-19 2017-05-30 Dow Global Technologies Llc Composite polyamide membrane
CN104918688B (zh) 2013-01-14 2016-12-14 陶氏环球技术有限责任公司 包含经取代苯甲酰胺单体的复合聚酰胺膜
CN104918687A (zh) 2013-01-14 2015-09-16 陶氏环球技术有限责任公司 使用非极性溶剂的掺合物经由界面聚合制造复合聚酰胺膜
US9289729B2 (en) 2013-03-16 2016-03-22 Dow Global Technologies Llc Composite polyamide membrane derived from carboxylic acid containing acyl halide monomer
US9051417B2 (en) 2013-03-16 2015-06-09 Dow Global Technologies Llc Method for solubilizing carboxylic acid-containing compound in hydrocarbon solvent
US9051227B2 (en) 2013-03-16 2015-06-09 Dow Global Technologies Llc In-situ method for preparing hydrolyzed acyl halide compound
WO2014179024A1 (en) 2013-05-03 2014-11-06 Dow Global Technologies Llc Composite polyamide membrane derived from an aliphatic acyclic tertiary amine compound
JP6577468B2 (ja) 2013-12-02 2019-09-18 ダウ グローバル テクノロジーズ エルエルシー 亜硝酸で後処理される複合ポリアミド膜
CN106170333B (zh) 2013-12-02 2019-02-15 陶氏环球技术有限责任公司 用二羟基芳基化合物和亚硝酸处理的复合聚酰胺膜
KR102289354B1 (ko) 2014-01-09 2021-08-12 다우 글로벌 테크놀로지스 엘엘씨 높은 산 함량 및 낮은 아조 함량을 갖는 복합 폴리아미드 막
CA2935699C (en) 2014-01-09 2022-05-31 Dow Global Technologies Llc Composite polyamide membrane having azo content and high acid content
WO2015105638A1 (en) 2014-01-09 2015-07-16 Dow Global Technologies Llc Composite polyamide membrane having preferred azo content
KR102343738B1 (ko) 2014-04-28 2021-12-27 다우 글로벌 테크놀로지스 엘엘씨 아질산으로 후처리된 복합체 폴리아미드막
WO2015175258A1 (en) 2014-05-14 2015-11-19 Dow Global Technologies Llc Composite polyamide membrane post-treated with nitrous acid

Also Published As

Publication number Publication date
NL6914496A (OSRAM) 1970-04-06
CH511916A (fr) 1971-08-31
IL33093A0 (en) 1969-11-30
GB1227280A (OSRAM) 1971-04-07
FR1587787A (OSRAM) 1970-03-27
ES372085A1 (es) 1971-09-01
DE1949847A1 (de) 1970-04-09
US3686116A (en) 1972-08-22
LU59552A1 (OSRAM) 1970-04-01
BR6912815D0 (pt) 1973-01-09
IL33093A (en) 1972-09-28

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