CA955526A - Sustained release drug composition - Google Patents

Sustained release drug composition

Info

Publication number
CA955526A
CA955526A CA050,885A CA50885A CA955526A CA 955526 A CA955526 A CA 955526A CA 50885 A CA50885 A CA 50885A CA 955526 A CA955526 A CA 955526A
Authority
CA
Canada
Prior art keywords
sustained release
drug composition
release drug
composition
sustained
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
CA050,885A
Other versions
CA50885S (en
Inventor
John W. Poole
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.)
Wyeth LLC
Original Assignee
American Home Products Corp
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 American Home Products Corp filed Critical American Home Products Corp
Application granted granted Critical
Publication of CA955526A publication Critical patent/CA955526A/en
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
    • A61K9/2072—Pills, tablets, discs, rods characterised by shape, structure or size; Tablets with holes, special break lines or identification marks; Partially coated tablets; Disintegrating flat shaped forms
    • A61K9/2086—Layered tablets, e.g. bilayer tablets; Tablets of the type inert core-active coat
    • A61K9/209—Layered tablets, e.g. bilayer tablets; Tablets of the type inert core-active coat containing drug in at least two layers or in the core and in at least one outer layer
    • 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
    • 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

Landscapes

  • Health & Medical Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Pharmacology & Pharmacy (AREA)
  • Epidemiology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Engineering & Computer Science (AREA)
  • Bioinformatics & Cheminformatics (AREA)
  • Medicinal Preparation (AREA)
CA050,885A 1968-05-21 1969-05-08 Sustained release drug composition Expired CA955526A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US73074268A 1968-05-21 1968-05-21
US80082769A 1969-02-13 1969-02-13

Publications (1)

Publication Number Publication Date
CA955526A true CA955526A (en) 1974-10-01

Family

ID=27112101

Family Applications (1)

Application Number Title Priority Date Filing Date
CA050,885A Expired CA955526A (en) 1968-05-21 1969-05-08 Sustained release drug composition

Country Status (13)

Country Link
BE (1) BE733417A (en)
CA (1) CA955526A (en)
DE (1) DE1925919C3 (en)
DK (1) DK122708B (en)
ES (1) ES367431A1 (en)
FI (1) FI50833C (en)
FR (1) FR2035801B1 (en)
GB (1) GB1263392A (en)
IE (1) IE32806B1 (en)
IL (1) IL32200A (en)
NL (1) NL164200C (en)
PH (1) PH10312A (en)
SE (1) SE354184B (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL8500724A (en) * 1985-03-13 1986-10-01 Univ Groningen DEVICES FOR REGULAR RELEASE OF ACTIVE SUBSTANCES AND METHOD OF MANUFACTURE THEREOF
GB8518927D0 (en) * 1985-07-26 1985-09-04 Vincent Processes Ltd Tablets
US5603955A (en) * 1994-07-18 1997-02-18 University Of Cincinnati Enhanced loading of solutes into polymer gels
ATE360664T1 (en) * 1999-10-21 2007-05-15 Daiso Co Ltd CROSSLINKING AGENT BASED ON A POLYALLYL ETHER COMPOUND
MXPA04004544A (en) * 2001-11-13 2005-03-31 Yamanouchi Pharma Tech Inc Soluble drug extended release system.
CA2606740A1 (en) * 2005-05-03 2006-11-09 Mutual Pharmaceutical Company, Inc. Quinine-containing controlled-release formulations

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3039933A (en) * 1957-10-07 1962-06-19 Premo Pharmaceutical Lab Inc Ethyl cellulose-polyethylene glycol tablet matrix
US3087860A (en) * 1958-12-19 1963-04-30 Abbott Lab Method of prolonging release of drug from a precompressed solid carrier
NL265428A (en) * 1960-06-06
US3158538A (en) * 1961-02-23 1964-11-24 White Lab Inc Antidiarrheal compositions and method of using
US3346449A (en) * 1963-09-27 1967-10-10 Hoffmann La Roche d-methorphan compositions and methods of making same
GB1043872A (en) * 1964-02-03 1966-09-28 Wiggins & Co Ltd Berry Improvements in and relating to electric heaters
NZ248552A (en) * 1993-08-31 1996-09-25 Ind Res Ltd Electroplating power supply: switchable bridge rectifier with output rectified

Also Published As

Publication number Publication date
FR2035801A1 (en) 1970-12-24
IL32200A0 (en) 1969-07-30
FR2035801B1 (en) 1974-08-30
DK122708B (en) 1972-04-04
NL6907794A (en) 1969-11-25
IE32806L (en) 1969-11-21
BE733417A (en) 1969-11-21
NL164200C (en) 1980-12-15
FI50833C (en) 1976-08-10
FI50833B (en) 1976-04-30
SE354184B (en) 1973-03-05
PH10312A (en) 1976-11-25
NL164200B (en) 1980-07-15
GB1263392A (en) 1972-02-09
DE1925919B2 (en) 1979-11-08
ES367431A1 (en) 1971-05-01
DE1925919C3 (en) 1980-07-17
IL32200A (en) 1973-10-25
DE1925919A1 (en) 1969-11-27
IE32806B1 (en) 1973-12-12

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