DE3278126D1 - Sustained release compositions - Google Patents

Sustained release compositions

Info

Publication number
DE3278126D1
DE3278126D1 DE8282305154T DE3278126T DE3278126D1 DE 3278126 D1 DE3278126 D1 DE 3278126D1 DE 8282305154 T DE8282305154 T DE 8282305154T DE 3278126 T DE3278126 T DE 3278126T DE 3278126 D1 DE3278126 D1 DE 3278126D1
Authority
DE
Germany
Prior art keywords
sustained release
release compositions
compositions
sustained
release
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
Application number
DE8282305154T
Other languages
English (en)
Inventor
Neil Bonnette Graham
Robert Elwyn Howells
David Anthony Wood
Koritala Panduranga Rao
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
BTG International Ltd
Original Assignee
National Research Development Corp UK
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 National Research Development Corp UK filed Critical National Research Development Corp UK
Application granted granted Critical
Publication of DE3278126D1 publication Critical patent/DE3278126D1/de
Expired legal-status Critical Current

Links

Classifications

    • 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
    • A61K9/2031—Organic macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. polyethylene glycol, polyethylene oxide, poloxamers
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D309/00—Heterocyclic compounds containing six-membered rings having one oxygen atom as the only ring hetero atom, not condensed with other rings
    • C07D309/02—Heterocyclic compounds containing six-membered rings having one oxygen atom as the only ring hetero atom, not condensed with other rings having no double bonds between ring members or between ring members and non-ring members
    • C07D309/08—Heterocyclic compounds containing six-membered rings having one oxygen atom as the only ring hetero atom, not condensed with other rings having no double bonds between ring members or between ring members and non-ring members with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached to ring carbon atoms
    • C07D309/10—Oxygen atoms
    • 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
    • C08G65/00—Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule
    • C08G65/34—Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule from hydroxy compounds or their metallic derivatives
    • 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
    • C08G75/00—Macromolecular compounds obtained by reactions forming a linkage containing sulfur with or without nitrogen, oxygen, or carbon in the main chain of the macromolecule
    • C08G75/02—Polythioethers
    • C08G75/04—Polythioethers from mercapto compounds or metallic derivatives thereof
    • C08G75/045—Polythioethers from mercapto compounds or metallic derivatives thereof from mercapto compounds and unsaturated 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
    • C08G85/00—General processes for preparing compounds provided for in this subclass

Landscapes

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Organic Chemistry (AREA)
  • Medicinal Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Polymers & Plastics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Epidemiology (AREA)
  • Pharmacology & Pharmacy (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Medicinal Preparation (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Agricultural Chemicals And Associated Chemicals (AREA)
  • Heterocyclic Compounds Containing Sulfur Atoms (AREA)
  • Pyrane Compounds (AREA)
  • Cosmetics (AREA)
DE8282305154T 1981-09-30 1982-09-29 Sustained release compositions Expired DE3278126D1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB8129574 1981-09-30
GB8226354 1982-09-16

Publications (1)

Publication Number Publication Date
DE3278126D1 true DE3278126D1 (en) 1988-03-31

Family

ID=26280861

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8282305154T Expired DE3278126D1 (en) 1981-09-30 1982-09-29 Sustained release compositions

Country Status (6)

Country Link
US (1) US5096896A (de)
EP (1) EP0076636B1 (de)
JP (1) JPH0662443B2 (de)
DE (1) DE3278126D1 (de)
DK (1) DK171393B1 (de)
GB (1) GB2112381B (de)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB8308330D0 (en) * 1983-03-25 1983-05-05 Crighton D B Immunogenic compositions
US5335675A (en) * 1988-11-15 1994-08-09 Family Health International Stress-softened elastomeric films, articles, and method and apparatus for making such films and articles
US5342624A (en) * 1989-02-16 1994-08-30 British Technology Group Ltd. Dispensing device
US20100284962A1 (en) * 2009-05-06 2010-11-11 Oncopharmacologics, Inc. Modified tumor necrosis factor-beta
AU2017220391B2 (en) * 2016-02-19 2023-01-19 Recce Pharmaceuticals Ltd Anti-virus agent and method for treatment of viral infection

Family Cites Families (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3206479A (en) * 1962-03-15 1965-09-14 Shell Oil Co Production of ether-esters of tetrahydropyran-2-carboxylates
NL291947A (de) * 1962-04-25
FR1378034A (fr) * 1962-04-25 1964-11-13 Canadian Ind Compositions convenant pour la fabrication de matières polymères donnant des mousses cellulaires
US3318846A (en) * 1963-05-10 1967-05-09 Shell Oil Co Resinous products from unsaturated heterocyclic compounds and method for preparing the same
GB1089871A (en) * 1964-01-03 1967-11-08 Canadian Ind Foams from vinyl ether prepolymers
ZM3271A1 (en) * 1970-03-13 1972-10-23 Wellcome Found Improvements in or relating to injectable therapeutic compositions
US3728452A (en) * 1971-01-20 1973-04-17 Abic Ltd Water-soluble composition comprising sulfadimidine and pyrimethamine
GB1572598A (en) * 1975-12-29 1980-07-30 Univ Strathclyde Injectable medicinal compounds
LU77364A1 (de) * 1977-05-18 1979-01-19
US4221779A (en) * 1977-06-28 1980-09-09 Graham Neil B Pharmaceutical composition for treating tropical diseases
US4130639A (en) * 1977-09-28 1978-12-19 Ethicon, Inc. Absorbable pharmaceutical compositions based on isomorphic copolyoxalates
US4328209A (en) * 1979-04-11 1982-05-04 Board Of Regents, The University Of Texas System Cholera vaccine
US4221799A (en) * 1979-07-30 1980-09-09 The Dow Chemical Substituted pyridine methyl esters of tetramethyl cyclopropane carboxylic acids and their use as insecticides
DK260782A (da) * 1981-06-12 1982-12-13 Nat Res Dev Hydrogeler
GB2112730B (en) * 1981-09-30 1985-12-18 Nat Res Dev Encapsulated particles
US4645781A (en) * 1983-03-29 1987-02-24 Union Carbide Corporation Blends of cyclic vinyl ether containing compounds and expoxides
GB8319766D0 (en) * 1983-07-22 1983-08-24 Graham N B Controlled release device

Also Published As

Publication number Publication date
GB2112381B (en) 1986-08-28
EP0076636B1 (de) 1988-02-24
EP0076636A1 (de) 1983-04-13
DK171393B1 (da) 1996-10-14
GB2112381A (en) 1983-07-20
JPH0662443B2 (ja) 1994-08-17
JPS5874676A (ja) 1983-05-06
US5096896A (en) 1992-03-17
DK435382A (da) 1983-03-31

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8327 Change in the person/name/address of the patent owner

Owner name: BRITISH TECHNOLOGY GROUP LTD., LONDON, GB

8328 Change in the person/name/address of the agent

Free format text: DEUFEL, P., DIPL.-WIRTSCH.-ING.DR.RER.NAT. HERTEL, W., DIPL.-PHYS. RUTETZKI, A., DIPL.-ING.UNIV. RUCKER, E., DIPL.-CHEM. UNIV. DR.RER.NAT. HUBER, B., DIPL.-BIOL. DR.RER.NAT. BECKER, E., DR.RER.NAT., 80331 MUENCHEN KURIG, T., DIPL.-PHYS., 83022 ROSENHEIM STEIL, C., DIPL.-ING., PAT.-ANWAELTE, 80331 MUENCHEN

8339 Ceased/non-payment of the annual fee