BR9103272A - Membrana multi-camada e processo de fabricacao da mesma - Google Patents

Membrana multi-camada e processo de fabricacao da mesma

Info

Publication number
BR9103272A
BR9103272A BR919103272A BR9103272A BR9103272A BR 9103272 A BR9103272 A BR 9103272A BR 919103272 A BR919103272 A BR 919103272A BR 9103272 A BR9103272 A BR 9103272A BR 9103272 A BR9103272 A BR 9103272A
Authority
BR
Brazil
Prior art keywords
polyvinyl alcohol
composite material
modified polyvinyl
ether
supporting layer
Prior art date
Application number
BR919103272A
Other languages
English (en)
Portuguese (pt)
Inventor
Peter Dr Haenel
Harald Dr Helmrich
Original Assignee
Metallgesellschaft Ag
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=6411494&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=BR9103272(A) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Metallgesellschaft Ag filed Critical Metallgesellschaft Ag
Publication of BR9103272A publication Critical patent/BR9103272A/pt

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
    • B01D71/38—Polyalkenylalcohols; Polyalkenylesters; Polyalkenylethers; Polyalkenylaldehydes; Polyalkenylketones; Polyalkenylacetals; Polyalkenylketals
    • B01D71/381—Polyvinylalcohol
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D69/00—Semi-permeable membranes for separation processes or apparatus characterised by their form, structure or properties; Manufacturing processes specially adapted therefor
    • B01D69/12—Composite membranes; Ultra-thin membranes
    • B01D69/125—In situ manufacturing by polymerisation, polycondensation, cross-linking or chemical reaction
    • 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
    • B01D71/38—Polyalkenylalcohols; Polyalkenylesters; Polyalkenylethers; Polyalkenylaldehydes; Polyalkenylketones; Polyalkenylacetals; Polyalkenylketals
    • B01D71/382—Polyvinylethers
    • 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
    • B01D71/38—Polyalkenylalcohols; Polyalkenylesters; Polyalkenylethers; Polyalkenylaldehydes; Polyalkenylketones; Polyalkenylacetals; Polyalkenylketals
    • B01D71/383—Polyvinylacetates
    • 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
    • Y10S264/00—Plastic and nonmetallic article shaping or treating: processes
    • Y10S264/48—Processes of making filters
    • 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
    • Y10S264/00—Plastic and nonmetallic article shaping or treating: processes
    • Y10S264/62—Processes of molding porous films

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)
  • Laminated Bodies (AREA)
  • Piezo-Electric Transducers For Audible Bands (AREA)
  • Prostheses (AREA)
  • Control Of El Displays (AREA)
  • Lubricants (AREA)
  • Measuring Pulse, Heart Rate, Blood Pressure Or Blood Flow (AREA)
BR919103272A 1990-08-02 1991-07-31 Membrana multi-camada e processo de fabricacao da mesma BR9103272A (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE4024517A DE4024517C1 (enExample) 1990-08-02 1990-08-02

Publications (1)

Publication Number Publication Date
BR9103272A true BR9103272A (pt) 1992-02-18

Family

ID=6411494

Family Applications (1)

Application Number Title Priority Date Filing Date
BR919103272A BR9103272A (pt) 1990-08-02 1991-07-31 Membrana multi-camada e processo de fabricacao da mesma

Country Status (10)

Country Link
US (1) US5164088A (enExample)
EP (1) EP0469657B1 (enExample)
JP (1) JPH04256427A (enExample)
AT (1) ATE110000T1 (enExample)
AU (1) AU639584B2 (enExample)
BR (1) BR9103272A (enExample)
CA (1) CA2047782A1 (enExample)
DE (2) DE4024517C1 (enExample)
DK (1) DK0469657T3 (enExample)
FI (1) FI913571A7 (enExample)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4004153C1 (en) * 1990-02-10 1991-08-08 Metallgesellschaft Ag, 6000 Frankfurt, De Multilayered membrane with high sepn. performance - comprises carrier layer of polyamide, polyvinylidene-di:fluoride polyester or glass fibres porous supply and PVA sepn. layer
SE9303790D0 (sv) * 1993-11-17 1993-11-17 Pharmacia Lkb Biotech A method for separation and synthetic polymers that can be used as separation media in the method
DE4409906C1 (de) * 1994-03-23 1995-05-11 Metallgesellschaft Ag Komposit-Membran und ein Verfahren zu ihrer Herstellung
US6004402A (en) * 1994-10-06 1999-12-21 Xomed Surgical Products, Inc. Method of cleaning silicon material with a sponge
US6080092A (en) * 1994-10-06 2000-06-27 Xomed Surgical Products, Inc. Industrial cleaning sponge
JP2005095003A (ja) * 2003-09-03 2005-04-14 Fuji Photo Film Co Ltd 核酸の分離精製方法
CA2548564A1 (en) * 2003-12-12 2005-06-23 Basf Aktiengesellschaft Method and means for treating the surface of food products

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3035060A (en) * 1957-06-18 1962-05-15 Standard Oil Co Process for removing water from organic chemicals
AU505494B1 (en) * 1977-10-21 1979-11-22 Unisearch Limited Anisotropic multilayered synthetic semipermeable membrane
JPS5727102A (en) * 1980-07-28 1982-02-13 Nitto Electric Ind Co Ltd Composite semipermeable membrane and its production
IL63638A0 (en) * 1980-09-16 1981-11-30 Aligena Ag Semipermeable composite membranes,their manufacture and their use
DE3220570A1 (de) * 1982-06-01 1983-12-01 GFT Ingenieurbüro für Industrieanlagenbau, 6650 Homburg Mehrschichtige membran und ihre verwendung zur trennung von fluessigkeitsgemischen nach dem pervaporationsverfahren
IL70415A (en) * 1982-12-27 1987-07-31 Aligena Ag Semipermeable encapsulated membranes,their manufacture and their use
US4608141A (en) * 1984-11-07 1986-08-26 Allied Corporation Multichamber two-compartment electrodialytic water splitter and method of using same for basification of aqueous soluble salts
US4834886A (en) * 1987-01-08 1989-05-30 Filmtec Corporation Process for making alkali resistant hyperfiltration membrane and resulting product
US4802988A (en) * 1987-09-17 1989-02-07 Texaco Inc. Dehydration of glycols
US4935144A (en) * 1987-09-17 1990-06-19 Texaco Inc. Concentration of water-ketone compositions

Also Published As

Publication number Publication date
FI913571L (fi) 1992-02-03
DE59102550D1 (de) 1994-09-22
EP0469657A1 (de) 1992-02-05
CA2047782A1 (en) 1992-02-03
DK0469657T3 (da) 1994-09-19
AU639584B2 (en) 1993-07-29
ATE110000T1 (de) 1994-09-15
US5164088A (en) 1992-11-17
DE4024517C1 (enExample) 1991-11-21
FI913571A7 (fi) 1992-02-03
AU8152391A (en) 1992-02-06
EP0469657B1 (de) 1994-08-17
FI913571A0 (fi) 1991-07-25
JPH04256427A (ja) 1992-09-11

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Legal Events

Date Code Title Description
KF Request for proof of payment of annual fee
FD5 Application fees: dismissal - article 86 of industrial property law