ZA725339B - Sustained release polymers - Google Patents

Sustained release polymers

Info

Publication number
ZA725339B
ZA725339B ZA725339A ZA725339A ZA725339B ZA 725339 B ZA725339 B ZA 725339B ZA 725339 A ZA725339 A ZA 725339A ZA 725339 A ZA725339 A ZA 725339A ZA 725339 B ZA725339 B ZA 725339B
Authority
ZA
South Africa
Prior art keywords
sustained release
release polymers
polymers
sustained
release
Prior art date
Application number
ZA725339A
Other languages
English (en)
Inventor
I Blank
Original Assignee
Hydrophilics Int Inc
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 Hydrophilics Int Inc filed Critical Hydrophilics Int Inc
Publication of ZA725339B publication Critical patent/ZA725339B/xx

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L33/00—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides or nitriles thereof; Compositions of derivatives of such polymers
    • C08L33/02—Homopolymers or copolymers of acids; Metal or ammonium salts thereof
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
    • A01N25/00—Biocides, pest repellants or attractants, or plant growth regulators, characterised by their forms, or by their non-active ingredients or by their methods of application, e.g. seed treatment or sequential application; Substances for reducing the noxious effect of the active ingredients to organisms other than pests
    • A01N25/08—Biocides, pest repellants or attractants, or plant growth regulators, characterised by their forms, or by their non-active ingredients or by their methods of application, e.g. seed treatment or sequential application; Substances for reducing the noxious effect of the active ingredients to organisms other than pests containing solids as carriers or diluents
    • A01N25/10—Macromolecular compounds
    • 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
    • A61K9/0012—Galenical forms characterised by the site of application
    • A61K9/0048—Eye, e.g. artificial tears
    • A61K9/0051—Ocular inserts, ocular implants
    • 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
    • A61K9/70—Web, sheet or filament bases ; Films; Fibres of the matrix type containing drug
    • A61K9/7007—Drug-containing films, membranes or sheets
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
    • B29D11/00—Producing optical elements, e.g. lenses or prisms
    • B29D11/02—Artificial eyes from organic plastic material
    • 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
    • C08F220/00—Copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical or a salt, anhydride ester, amide, imide or nitrile thereof
    • C08F220/02—Monocarboxylic acids having less than ten carbon atoms; Derivatives thereof
    • C08F220/04—Acids; Metal salts or ammonium salts thereof
    • C08F220/06—Acrylic acid; Methacrylic acid; Metal salts or ammonium salts thereof
    • 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
    • C08F8/00—Chemical modification by after-treatment
    • C08F8/30—Introducing nitrogen atoms or nitrogen-containing groups
    • 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
    • C08F8/00—Chemical modification by after-treatment
    • C08F8/44—Preparation of metal salts or ammonium salts
    • 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
    • Y10S526/00—Synthetic resins or natural rubbers -- part of the class 520 series
    • Y10S526/936—Physiological use, e.g. pharmaceutical, veterinary, dental

Landscapes

  • Health & Medical Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Organic Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Animal Behavior & Ethology (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Ophthalmology & Optometry (AREA)
  • Epidemiology (AREA)
  • Pharmacology & Pharmacy (AREA)
  • General Chemical & Material Sciences (AREA)
  • Bioinformatics & Cheminformatics (AREA)
  • Mechanical Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Agronomy & Crop Science (AREA)
  • Pest Control & Pesticides (AREA)
  • Plant Pathology (AREA)
  • Toxicology (AREA)
  • Dentistry (AREA)
  • Wood Science & Technology (AREA)
  • Zoology (AREA)
  • Environmental Sciences (AREA)
  • Agricultural Chemicals And Associated Chemicals (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
  • Polymerisation Methods In General (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
ZA725339A 1971-08-12 1972-08-03 Sustained release polymers ZA725339B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB3793671A GB1394990A (en) 1971-08-12 1971-08-12 Copolymers and compositions containing copolymers

Publications (1)

Publication Number Publication Date
ZA725339B true ZA725339B (en) 1973-04-25

Family

ID=10400065

Family Applications (2)

Application Number Title Priority Date Filing Date
ZA725339A ZA725339B (en) 1971-08-12 1972-08-03 Sustained release polymers
ZA725338A ZA725338B (en) 1971-08-12 1972-08-03 Copolymers

Family Applications After (1)

Application Number Title Priority Date Filing Date
ZA725338A ZA725338B (en) 1971-08-12 1972-08-03 Copolymers

Country Status (17)

Country Link
US (1) US3959237A (de)
JP (1) JPS4856741A (de)
AR (1) AR195178A1 (de)
AT (1) AT333505B (de)
BE (1) BE787506A (de)
BR (2) BR7205487D0 (de)
CA (1) CA984099A (de)
CH (1) CH580645A5 (de)
DE (1) DE2239222A1 (de)
DK (1) DK133411B (de)
ES (1) ES405771A1 (de)
FR (1) FR2150084A5 (de)
GB (1) GB1394990A (de)
IL (2) IL40108A (de)
IT (1) IT965980B (de)
PH (1) PH10091A (de)
ZA (2) ZA725339B (de)

Families Citing this family (37)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CS173849B1 (de) * 1974-04-25 1977-03-31
US4177056A (en) * 1974-06-27 1979-12-04 Ciba-Geigy Corporation Water-insoluble hydrophilic copolymers used as carriers for medicaments and pesticides
JPS5282715A (en) * 1975-12-29 1977-07-11 Sanyo Chem Ind Ltd Long acting drug composition
US4076516A (en) * 1976-11-10 1978-02-28 Nalco Chemical Company Aquatic herbicides
IT1085793B (it) * 1977-03-29 1985-05-28 Dal Cin Ermenegildo Composizione anticrittogamica e procedimento per la sua preparazione
US4062817A (en) * 1977-04-04 1977-12-13 The B.F. Goodrich Company Water absorbent polymers comprising unsaturated carboxylic acid, acrylic ester containing alkyl group 10-30 carbon atoms, and another acrylic ester containing alkyl group 2-8 carbon atoms
US4123249A (en) * 1977-08-18 1978-10-31 Nalco Chemical Company Aquatic herbicides
US4304591A (en) * 1978-01-25 1981-12-08 Ciba-Geigy Corporation Water-insoluble hydrophilic copolymers used as carriers for medicaments and pesticides
JPS54127960A (en) * 1978-03-29 1979-10-04 Toray Silicone Co Ltd Organopolysiloxane composition
DE2900592A1 (de) * 1979-01-09 1980-07-17 Bayer Ag Hydroxyl- und tertiaere aminogruppen enthaltende niedermolekulare acrylatharze
DE2920500A1 (de) * 1979-05-21 1980-11-27 Boehringer Sohn Ingelheim Pharmazeutische zubereitung in form eines polyacrylatfilmes
US4359555A (en) 1979-06-29 1982-11-16 Ciba-Geigy Corporation Salts formed from formamidines with polymers containing sulfonic acid groups
GR75196B (de) * 1980-05-03 1984-07-13 Basf Ag
DE3021725A1 (de) * 1980-06-10 1981-12-17 Bayer Ag, 5090 Leverkusen Mittel zur bekaempfung tierischer ektoparasiten mit stark ausgepruegter residualwirkung
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
US4623540A (en) * 1981-07-09 1986-11-18 Les Produits Organiques Du Santerre-Orsan S.A. ("Orsan") Controlled release insecticide composition
DE3335954A1 (de) * 1983-10-04 1985-04-04 Roland Dipl.-Kaufm. 7022 Leinfelden-Echterdingen Belz Verfahren zur durchfuehrung von chemischen reaktionen, insbesondere zur herstellung von kunststoffen mit hilfe von extrudern und anlage hierzu
US4557852A (en) * 1984-04-09 1985-12-10 S. C. Johnson & Son, Inc. Polymer sheet for delivering laundry care additive and laundry care product formed from same
US4654395A (en) * 1984-04-09 1987-03-31 S. C. Johnson & Son, Inc. Water-soluble polymer sheet for delivering laundry care additive and laundry care product formed from same
US4624848A (en) * 1984-05-10 1986-11-25 Ciba-Geigy Corporation Active agent containing hydrogel devices wherein the active agent concentration profile contains a sigmoidal concentration gradient for improved constant release, their manufacture and use
US4749576A (en) * 1984-05-10 1988-06-07 Ciba-Geigy Corporation Active agent containing hydrogel devices wherein the active agent concentration profile contains a sigmoidal concentration gradient for improved constant release, their manufacture and use
ATE40709T1 (de) * 1985-06-20 1989-02-15 Benckiser Knapsack Gmbh Kupferhaltige polymere, verfahren zur ihrer herstellung und ihre anwendung als fungizide.
CA1279749C (en) * 1985-09-12 1991-01-29 Johnson (S. C.) & Son, Inc. Polymer sheet for delivering laundry care additive and laundry care product formed therefrom
JPH07108927B2 (ja) * 1985-10-30 1995-11-22 日本ペイント株式会社 生物活性物質徐放性塗膜を得るための塗料用樹脂組成物
US4806345C1 (en) * 1985-11-21 2001-02-06 Johnson & Son Inc C Cross-linked cationic polymers for use in personal care products
US5047087A (en) * 1986-04-03 1991-09-10 National Starch And Chemical Investment Holding Corporation Cementiferous composition and additives for use in such compositions
US5322878A (en) * 1987-10-28 1994-06-21 Belland Ag Carboxylated molding copolymers
DE3813651A1 (de) * 1988-04-22 1989-11-02 Henkel Kgaa Verdickungsmittel auf basis waessriger emulsions-copolymerlatices und ihre verwendung zur eindickung waessriger fluessigphasen
JP3148307B2 (ja) * 1991-11-07 2001-03-19 ライオン株式会社 塩感応性ポリマー
US5460644A (en) * 1993-12-14 1995-10-24 The O'brien Corporation Stain-blocking and mildewcide resistant coating compositions
DE4430449C1 (de) * 1994-08-27 1996-02-01 Lohmann Therapie Syst Lts Versprühbare filmbildende Wirkstoffabgabesysteme zur Anwendung an Pflanzen
US5621059A (en) * 1995-02-06 1997-04-15 Monsanto Company Polymeric flow modifiers
NL1000118C2 (nl) * 1995-04-11 1996-10-14 Adw Chem Prod Bv Chroomvrij bekledingspreparaat voor het behandelen van metaaloppervlakken en werkwijze onder toepassing daarvan.
EP2014730B1 (de) * 2006-04-26 2016-07-27 Toppan Printing Co., Ltd. Beschichtungsflüssigkeit, sie jeweils enthaltender gasbarrierefilm, gasbarriereverbund und gasbarrieremehrschichtfilm sowie deren herstellungsverfahren
WO2009007328A2 (de) * 2007-07-06 2009-01-15 Basf Se Verwendung von homo- und copolymeren zur stabilisierung von wirkstoffformulierungen
BRPI1006658B1 (pt) * 2009-04-22 2018-02-06 Akzo Nobel Chemicals International B.V. Agrochemical formulation, and method for producing an agrochemical formulation
WO2012018514A2 (en) * 2010-07-26 2012-02-09 Sortwell & Co. Method for dispersing and aggregating components of mineral slurries and high-molecular weight multivalent polymers for clay aggregation

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3113867A (en) * 1959-10-29 1963-12-10 Eastman Kodak Co Motion-picture film lacquer
US3317493A (en) * 1963-11-05 1967-05-02 Du Pont Terpolymer containing methyl methacrylate, 2-ethylhexyl acrylate and methacrylic acid and compositions containing same
GB1062338A (en) * 1963-11-19 1967-03-22 Dunlop Rubber Co Improvements in or relating to acrylic polymer emulsions
GB1146155A (en) * 1965-03-26 1969-03-19 Mitsubishi Rayon Co Hair lacquers
US3775352A (en) * 1971-03-22 1973-11-27 Shell Oil Co Metal-polymer matrices and their preparation
US3764587A (en) * 1971-04-02 1973-10-09 Du Pont Acrylic interpolymers for flexographic inks

Also Published As

Publication number Publication date
AT333505B (de) 1976-11-25
BE787506A (fr) 1972-12-01
IT965980B (it) 1974-02-11
IL40108A0 (en) 1972-10-29
IL40107A0 (en) 1972-11-28
FR2150084A5 (de) 1973-03-30
ATA694572A (de) 1976-03-15
CA984099A (en) 1976-02-17
AR195178A1 (es) 1973-09-19
DK133411C (de) 1976-10-11
DE2239222A1 (de) 1973-03-15
US3959237A (en) 1976-05-25
ZA725338B (en) 1973-04-25
PH10091A (en) 1976-08-13
BR7205488D0 (pt) 1973-10-09
IL40107A (en) 1975-08-31
JPS4856741A (de) 1973-08-09
IL40108A (en) 1975-08-31
ES405771A1 (es) 1975-09-16
DK133411B (da) 1976-05-17
BR7205487D0 (pt) 1973-06-14
GB1394990A (en) 1975-05-21
CH580645A5 (de) 1976-10-15

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