IT1024789B - Substrato idrorepellente polimerico contenente inclusioni idrofile particolarmente utile come membrana a perneabilita selettiva - Google Patents

Substrato idrorepellente polimerico contenente inclusioni idrofile particolarmente utile come membrana a perneabilita selettiva

Info

Publication number
IT1024789B
IT1024789B IT70296/74A IT7029674A IT1024789B IT 1024789 B IT1024789 B IT 1024789B IT 70296/74 A IT70296/74 A IT 70296/74A IT 7029674 A IT7029674 A IT 7029674A IT 1024789 B IT1024789 B IT 1024789B
Authority
IT
Italy
Prior art keywords
perneability
selective
membrane
particularly useful
substrate containing
Prior art date
Application number
IT70296/74A
Other languages
English (en)
Inventor
F Lemaire
G Gaussens
Original Assignee
Commissariat Energie Atomique
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 by Commissariat Energie Atomique filed Critical Commissariat Energie Atomique
Application granted granted Critical
Publication of IT1024789B publication Critical patent/IT1024789B/it

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D67/00—Processes specially adapted for manufacturing semi-permeable membranes for separation processes or apparatus
    • B01D67/0081—After-treatment of organic or inorganic membranes
    • B01D67/0093—Chemical modification
    • B01D67/00931—Chemical modification by introduction of specific groups after membrane formation, e.g. by grafting
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D67/00—Processes specially adapted for manufacturing semi-permeable membranes for separation processes or apparatus
    • B01D67/0081—After-treatment of organic or inorganic membranes
    • B01D67/0093—Chemical modification
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K41/00—Medicinal preparations obtained by treating materials with wave energy or particle radiation ; Therapies using these preparations
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K9/00—Medicinal preparations characterised by special physical form
    • A61K9/14—Particulate form, e.g. powders, Processes for size reducing of pure drugs or the resulting products, Pure drug nanoparticles
    • A61K9/16—Agglomerates; Granulates; Microbeadlets ; Microspheres; Pellets; Solid products obtained by spray drying, spray freeze drying, spray congealing,(multiple) emulsion solvent evaporation or extraction
    • A61K9/1605—Excipients; Inactive ingredients
    • A61K9/1629—Organic macromolecular compounds
    • A61K9/1635—Organic macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds, e.g. polyvinyl pyrrolidone, poly(meth)acrylates
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K9/00—Medicinal preparations characterised by special physical form
    • A61K9/20—Pills, tablets, discs, rods
    • A61K9/2004—Excipients; Inactive ingredients
    • A61K9/2022—Organic macromolecular compounds
    • A61K9/2027—Organic macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds, e.g. polyvinyl pyrrolidone, poly(meth)acrylates
    • 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
    • B01D69/14—Dynamic membranes
    • B01D69/141—Heterogeneous membranes, e.g. containing dispersed material; Mixed matrix membranes
    • 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
    • C08F291/00—Macromolecular compounds obtained by polymerising monomers on to macromolecular compounds according to more than one of the groups C08F251/00 - C08F289/00
    • 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
    • C08J7/00—Chemical treatment or coating of shaped articles made of macromolecular substances
    • C08J7/12—Chemical modification
    • C08J7/16—Chemical modification with polymerisable compounds
    • C08J7/18—Chemical modification with polymerisable compounds using wave energy or particle radiation
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2323/00—Details relating to membrane preparation
    • B01D2323/38—Graft polymerization

Landscapes

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Epidemiology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Pharmacology & Pharmacy (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Dispersion Chemistry (AREA)
  • Bioinformatics & Cheminformatics (AREA)
  • Inorganic Chemistry (AREA)
  • Manufacturing & Machinery (AREA)
  • General Chemical & Material Sciences (AREA)
  • Toxicology (AREA)
  • Transplantation (AREA)
  • Graft Or Block Polymers (AREA)
  • Treatments Of Macromolecular Shaped Articles (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Solid-Sorbent Or Filter-Aiding Compositions (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)
IT70296/74A 1973-11-09 1974-11-08 Substrato idrorepellente polimerico contenente inclusioni idrofile particolarmente utile come membrana a perneabilita selettiva IT1024789B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7340002A FR2250793B1 (it) 1973-11-09 1973-11-09

Publications (1)

Publication Number Publication Date
IT1024789B true IT1024789B (it) 1978-07-20

Family

ID=9127552

Family Applications (1)

Application Number Title Priority Date Filing Date
IT70296/74A IT1024789B (it) 1973-11-09 1974-11-08 Substrato idrorepellente polimerico contenente inclusioni idrofile particolarmente utile come membrana a perneabilita selettiva

Country Status (14)

Country Link
JP (1) JPS5639780B2 (it)
BE (1) BE821909A (it)
CA (1) CA1049954A (it)
CH (1) CH606208A5 (it)
DE (1) DE2453155C2 (it)
ES (1) ES431778A1 (it)
FR (1) FR2250793B1 (it)
GB (1) GB1486288A (it)
IL (1) IL46010A (it)
IT (1) IT1024789B (it)
NL (1) NL164874C (it)
SE (1) SE419967B (it)
SU (1) SU1060119A3 (it)
ZA (1) ZA747123B (it)

Families Citing this family (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2311792A1 (fr) * 1975-05-20 1976-12-17 Anvar Perfectionnements apportes aux membranes a permeabilite selective
JPS5477661A (en) * 1977-12-02 1979-06-21 Teijin Ltd Crosslinked or uncrosslinked linear aromatic polyester composition and its production
FR2433949A1 (fr) * 1978-08-25 1980-03-21 Commissariat Energie Atomique Substrat hydrophobe apte a liberer une substance chimique
DE2930321A1 (de) * 1978-09-25 1980-04-10 Jenapharm Veb Verfahren zur herstellung eines neuen pharmazeutischen hilfsstoffes und daraus hergestellte feste arzneiformen
ZA801654B (en) * 1979-03-21 1981-10-28 M Embrey Controlled release compositions
EP0033262B1 (fr) * 1980-01-29 1986-12-30 Elf Atochem S.A. Diaphragme pour électrolyse et son procédé de préparation
FR2485370A1 (fr) * 1980-06-30 1981-12-31 Commissariat Energie Atomique Support inerte en copolymere reticule, son procede de preparation et son utilisation pour la realisation de medicaments retard
FR2505879B1 (fr) * 1981-05-15 1985-09-27 Chloe Chemie Diaphragme, son procede de preparation et le procede d'electrolyse le mettant en oeuvre
FR2513256A1 (fr) * 1981-09-18 1983-03-25 Commissariat Energie Atomique Element separateur en elastomere, son procede de preparation et son utilisation dans les systemes de suspension hydropneumatique
JPS5969570U (ja) * 1982-10-29 1984-05-11 日本電気ホームエレクトロニクス株式会社 デイスプレイ装置
US4695592A (en) * 1986-01-07 1987-09-22 Mitsubishi Rayon Co., Ltd. Hydrophilized porous membrane and production process thereof
GB2186485B (en) * 1986-02-13 1988-09-07 Ethical Pharma Ltd Slow release formulation
US4897433A (en) * 1986-12-08 1990-01-30 Japan Atomic Energy Research Inst. Process for producing an anti-thrombogenic material by graft polymerization
US4906374A (en) * 1986-12-23 1990-03-06 Pall Corporation Filtration media with low protein adsorbability
AU608315B2 (en) * 1987-01-28 1991-03-28 Membrex, Inc. Hydrophilic article and method of producing same
WO1989004198A1 (en) * 1987-11-04 1989-05-18 Mitsubishi Rayon Co., Ltd. Porous membrane and process for its production
US4959150A (en) * 1988-09-26 1990-09-25 Pall Corporation Fluid treatment system having low affinity for proteinaceous materials
US5342624A (en) * 1989-02-16 1994-08-30 British Technology Group Ltd. Dispensing device
DE4117281C2 (de) * 1990-06-29 1996-02-22 Gore Enterprise Holdings Inc Hydrophilierte, mikroporöse Membran aus Polytetrafluorethylen und Verfahren zu ihrer Herstellung
JP2725094B2 (ja) * 1991-07-30 1998-03-09 東燃化学株式会社 分離膜、その製造方法及び分離方法
FR2699406B1 (fr) * 1992-12-21 1995-03-10 Commissariat Energie Atomique Films à base de copolymères, leurs applications dans des systèmes transdermiques et leurs procédés de préparation.

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2056057A5 (it) * 1969-08-26 1971-05-14 Raffinage Cie Francaise
JPS4934302A (it) * 1972-07-27 1974-03-29

Also Published As

Publication number Publication date
FR2250793B1 (it) 1978-12-29
NL164874B (nl) 1980-09-15
SU1060119A3 (ru) 1983-12-07
JPS5639780B2 (it) 1981-09-16
NL164874C (nl) 1981-02-16
IL46010A (en) 1978-09-29
IL46010A0 (en) 1975-05-22
SE7414081L (sv) 1976-05-10
SE419967B (sv) 1981-09-07
FR2250793A1 (it) 1975-06-06
ES431778A1 (es) 1977-05-16
ZA747123B (en) 1976-03-31
GB1486288A (en) 1977-09-21
CA1049954A (en) 1979-03-06
CH606208A5 (it) 1978-10-31
NL7414588A (nl) 1975-05-13
BE821909A (fr) 1975-03-03
JPS50112479A (it) 1975-09-03
DE2453155C2 (de) 1986-01-30
DE2453155A1 (de) 1975-05-15

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Legal Events

Date Code Title Description
TA Fee payment date (situation as of event date), data collected since 19931001

Effective date: 19931130