Water insoluble polymer based sustained release formulation
G Zhang, P Pinnamaraju, MA Ali - US Patent 6,251,430, 2001 - Google Patents
It has been reported that depot drug formulations for controlled release of pharmaceutical
drugs may be prepared using alginates alone (see US Pat. No. 5,132,295), using …
drugs may be prepared using alginates alone (see US Pat. No. 5,132,295), using …
Buoyant controlled release powder formulation
A Dennis, P Timmins, K Lee - US Patent 5,169,638, 1992 - Google Patents
A buoyant controlled release pharmaceutical powder formulation is provided which may be?
lled into cap sules and releases a pharmaceutical of a basic character at a controlled rate …
lled into cap sules and releases a pharmaceutical of a basic character at a controlled rate …
Controlled release formulation for poorly soluble basic drugs
NW Broad, AF Carmody, LC Feely… - US Patent 5,705,190, 1998 - Google Patents
The present invention provides for reduced daily dosing of poorly soluble basic drugs by
applying the alginate matrix with the incorporation of an organic acid. A basic drug's …
applying the alginate matrix with the incorporation of an organic acid. A basic drug's …
Controlled release formulation
JR Howard, P Timmins - US Patent 4,792,452, 1988 - Google Patents
[57] ABSTRACT A controlled release pharmaceutical formulation is pro vided which
releases a pharmaceutical of a basic char acter at a controlled rate regardless of the pH of …
releases a pharmaceutical of a basic char acter at a controlled rate regardless of the pH of …
pH-dependent sustained release, drug-delivery composition
A Moroni, W Drefko - US Patent 6,465,014, 2002 - Google Patents
A pH-dependent sustained release, drug delivery composition capable of being formed into
tablets or pellets, wherein the release is controlled by a diffusion barrier formed by the …
tablets or pellets, wherein the release is controlled by a diffusion barrier formed by the …
Controlled release pharmaceutical composition
R Martani, E Le Huede, J Dumas - US Patent 4,834,965, 1989 - Google Patents
A solid, controlled release pharmaceutical composition is provided with enhanced levels of
control over drug release. The composition comprises an acid addition salt or a quarternary …
control over drug release. The composition comprises an acid addition salt or a quarternary …
Sustained release formulation containing three different types of polymers
G Zhang, P Pinnamaraju - US Patent 5,695,781, 1997 - Google Patents
Verapamil depot drug formulations include the pharmaceutical itself and a three component
release rate controlling matrix composition. The three components of the matrix composition …
release rate controlling matrix composition. The three components of the matrix composition …
Method for improving the bioavailability of orally delivered therapeutics
S Turner, J Ravishankar, R Fassihi - US Patent App. 11/238,775, 2006 - Google Patents
VALLEY FORGE, PA 19482-0980 (US) The disclosed invention is a method and
composition for improving the bioavailability of a pharmaceutically active (21) Appl. No …
composition for improving the bioavailability of a pharmaceutically active (21) Appl. No …
Sustained release matrix for high-dose insoluble drugs
AR Baichwal - US Patent 6,093,420, 2000 - Google Patents
The advantages of controlled release products are well known in the pharmaceutical field
and include the ability to maintain a desired blood level of a medicament over a …
and include the ability to maintain a desired blood level of a medicament over a …
Formulation for preparing sustained release drugs for oral administration
M Calanchi, L Gentilini, L Mapelli, M Meroni - US Patent 5,047,248, 1991 - Google Patents
Pharmaceutical formulations are disclosed, adapted for preparing solid oral dosage forms
(tablets, capsules, lozenges, etc.) having a regular and sustained release after …
(tablets, capsules, lozenges, etc.) having a regular and sustained release after …