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Class Information
Number: 424/469
Name: Drug, bio-affecting and body treating compositions > Preparations characterized by special physical form > Tablets, lozenges, or pills > Sustained or differential release type > Discrete particles in supporting matrix
Description: Subject matter in which discrete soluble particles of the active ingredient are positioned or dispersed in a solid, generally insoluble matrix from which said particles are leached sequentially under conditions of use from the outside portions of the matrix inwardly.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7087249 |
Treatment of mucosal membranes |
Aug. 8, 2006 |
| 7087243 |
Pharmaceutical coating composition and method of use |
Aug. 8, 2006 |
| 7083808 |
Controlled/modified release oral methylphenidate formulations |
Aug. 1, 2006 |
| 7070803 |
Controlled release pharmaceutical composition for oral use containing midodrine and/or active metabolite, desglymidodrine |
Jul. 4, 2006 |
| 7048945 |
Timed pulsatile drug delivery systems |
May. 23, 2006 |
| 7037529 |
Fenofibrate pharmaceutical composition having high bioavailability and method for preparing it |
May. 2, 2006 |
| 7022339 |
Antidiabetic preparation for oral administration |
Apr. 4, 2006 |
| 6994871 |
Once a day antihistamine and decongestant formulation |
Feb. 7, 2006 |
| 6994873 |
Multiparticulate formulations of lithium salts for oral administration suitable for once-a-day administration |
Feb. 7, 2006 |
| 6991807 |
Antibiotic composition |
Jan. 31, 2006 |
| 6984449 |
Pellets and process for production thereof |
Jan. 10, 2006 |
| 6982094 |
Systems, methods and apparatuses for manufacturing dosage forms |
Jan. 3, 2006 |
| 6976981 |
Osmotic delivery system with membrane plug retention mechanism |
Dec. 20, 2005 |
| 6964780 |
Controlled-release pharmaceutical formulations |
Nov. 15, 2005 |
| 6960356 |
Orally administered drug delivery system providing temporal and spatial control |
Nov. 1, 2005 |
| 6958161 |
Modified release coated drug preparation |
Oct. 25, 2005 |
| 6955821 |
Sustained release formulations of guaifenesin and additional drug ingredients |
Oct. 18, 2005 |
| 6946145 |
Block copolymers based on poly(ortho esters) containing amine groups |
Sep. 20, 2005 |
| 6936275 |
Amino acid modulated extended release dosage form |
Aug. 30, 2005 |
| 6913767 |
Compositions for microencapsulation of antigens for use as vaccines |
Jul. 5, 2005 |
| 6902742 |
Multiparticulate modified release composition |
Jun. 7, 2005 |
| 6893661 |
Controlled release formulations using intelligent polymers |
May. 17, 2005 |
| 6890561 |
Microencapsulated and controlled-release formulations of isoflavone from enriched fractions of soy and other plants |
May. 10, 2005 |
| 6878387 |
Coated medicament forms with controlled active substance release |
Apr. 12, 2005 |
| 6869615 |
Pharmaceutical formulations containing a non-steroidal antiinflammatory drug and a proton pump inhibitor |
Mar. 22, 2005 |
| 6863902 |
Immediate release eplerenone compositions |
Mar. 8, 2005 |
| 6863901 |
Pharmaceutical composition for compressed annular tablet with molded triturate tablet for both intraoral and oral administration |
Mar. 8, 2005 |
| 6861072 |
Pharmaceutical composition with gastric residence and controlled release |
Mar. 1, 2005 |
| 6861069 |
Production of a directly compressible tabletting aid |
Mar. 1, 2005 |
| 6835397 |
Controlled release encapsulated bioactive substances |
Dec. 28, 2004 |
| 6830759 |
Antidiabetic preparation for oral administration |
Dec. 14, 2004 |
| 6821530 |
Polymer composite compositions |
Nov. 23, 2004 |
| RE38629 |
Solid oral dosage form comprising a combination of metformin and glibenclamide |
Oct. 19, 2004 |
| 6797283 |
Gastric retention dosage form having multiple layers |
Sep. 28, 2004 |
| 6793935 |
Mineral supplement |
Sep. 21, 2004 |
| 6793936 |
Multiparticulate modified release composition |
Sep. 21, 2004 |
| 6790459 |
Methods for treating diabetes via administration of controlled release metformin |
Sep. 14, 2004 |
| 6783772 |
Pharmaceutical preparations containing alendronate sodium |
Aug. 31, 2004 |
| 6773720 |
Mesalazine controlled release oral pharmaceutical compositions |
Aug. 10, 2004 |
| 6773721 |
Osmotic caplet |
Aug. 10, 2004 |
| 6762267 |
Controlled release polyacrylic acid granules and a process for preparing the same |
Jul. 13, 2004 |
| 6761901 |
Liposome drug delivery |
Jul. 13, 2004 |
| 6737081 |
Stable shaped particles of crystalline organic compounds |
May. 18, 2004 |
| 6733782 |
Core tablet for controlled release of gliclazide after oral administration |
May. 11, 2004 |
| 6730325 |
Multiparticulate modified release composition |
May. 4, 2004 |
| 6713509 |
Controlled release formulation for treating COPD |
Mar. 30, 2004 |
| 6706284 |
Bitterness-reduced oral pharmaceutical composition |
Mar. 16, 2004 |
| 6696084 |
Spray drying process and compositions of fenofibrate |
Feb. 24, 2004 |
| 6692768 |
Preparation method of drug-containing spherical fine particles |
Feb. 17, 2004 |
| 6692764 |
Wet granulation formulation for bisphosphonic acids |
Feb. 17, 2004 |
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