CA2124425A1 - Pharmaceutical Tablets Releasing the Active Substance After a Definite Period of Time - Google Patents

Pharmaceutical Tablets Releasing the Active Substance After a Definite Period of Time

Info

Publication number
CA2124425A1
CA2124425A1 CA 2124425 CA2124425A CA2124425A1 CA 2124425 A1 CA2124425 A1 CA 2124425A1 CA 2124425 CA2124425 CA 2124425 CA 2124425 A CA2124425 A CA 2124425A CA 2124425 A1 CA2124425 A1 CA 2124425A1
Authority
CA
Canada
Prior art keywords
active substance
time
definite period
pharmaceutical tablets
core
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.)
Granted
Application number
CA 2124425
Other languages
French (fr)
Other versions
CA2124425C (en
Inventor
Ubaldo Conte
Aldo La Manna
Lauretta Maggi
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.)
Jagotec AG
Original Assignee
Jagotec 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
Application filed by Jagotec AG filed Critical Jagotec AG
Priority to CA 2124425 priority Critical patent/CA2124425C/en
Publication of CA2124425A1 publication Critical patent/CA2124425A1/en
Application granted granted Critical
Publication of CA2124425C publication Critical patent/CA2124425C/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Abstract

Pharmaceutical tablets releasing the active substance after a definite period of time, consisting of:

- a core containing the active substance and polymeric substances which swell and/or gel and /or erode on contact with water or with aqueous liquids;
- a layer applied externally to said core, suitable to prevent the immediate release of the active substance contained in the core and to allow the release of said active substance after a definite period of time, consisting of natural and/or synthetic polymeric materials of the class of the hydrophilic polymers which erode and/or gel and/or dissolve in an aqueous medium;
- a possible gastroresistant and enterosoluble coating.
CA 2124425 1994-05-26 1994-05-26 Pharmaceutical tablets releasing the active substance after a definite period of time Expired - Lifetime CA2124425C (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CA 2124425 CA2124425C (en) 1994-05-26 1994-05-26 Pharmaceutical tablets releasing the active substance after a definite period of time

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA 2124425 CA2124425C (en) 1994-05-26 1994-05-26 Pharmaceutical tablets releasing the active substance after a definite period of time

Publications (2)

Publication Number Publication Date
CA2124425A1 true CA2124425A1 (en) 1995-11-27
CA2124425C CA2124425C (en) 1999-12-21

Family

ID=4153683

Family Applications (1)

Application Number Title Priority Date Filing Date
CA 2124425 Expired - Lifetime CA2124425C (en) 1994-05-26 1994-05-26 Pharmaceutical tablets releasing the active substance after a definite period of time

Country Status (1)

Country Link
CA (1) CA2124425C (en)

Also Published As

Publication number Publication date
CA2124425C (en) 1999-12-21

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Legal Events

Date Code Title Description
EEER Examination request
MKEX Expiry

Effective date: 20140526