Extended release pharmaceutical formulations

Details Extended release pharmaceutical formulations Extended release pharmaceutical formulations

1990-01-24

1992-07-28

Page, Thurman K.

Drug, bio-affecting and body treating compositions

Preparations characterized by special physical form

Tablets, lozenges, or pills

424451, 424456, 424465, 424474, 424475, 424494, 514960, 514961, 514962, 514963, 514964, A61K 0936

Patent

active

051339749

ABSTRACT:
An extended release pharmaceutical formulation adapted to approach zero order release of drug over a 12 to at least 24 hour period, comprised of a mixture of 0 to aobut 50% of an immediate release particle containing a drug, inert substrate and binder, coated with talc and up to 100% of an extended release particle comprising the immediate release particle coated with a dissolution modifying system containing plasticizers and a film forming agent.

REFERENCES:
patent: 3623997 (1971-11-01), Powell
patent: 4000254 (1976-12-01), Gordon et al.
patent: 4083949 (1978-04-01), Benedikt
patent: 4173626 (1979-11-01), Dempski et al.
patent: 4252786 (1981-02-01), Weiss et al.
patent: 4503031 (1985-03-01), Glassman
patent: 4592753 (1986-06-01), Panoz
patent: 4609542 (1986-09-01), Panoz et al.
patent: 4610870 (1986-09-01), Jain et al.
patent: 4611008 (1986-09-01), Heinzelmann
patent: 4634587 (1987-01-01), Hsiao
patent: 4666703 (1987-05-01), Kopf
patent: 4695467 (1987-09-01), Uemura et al.
patent: 4716040 (1987-12-01), Panoz
patent: 4721619 (1988-01-01), Panoz et al.
patent: 4828840 (1989-05-01), Sakamoto et al.
patent: 4971805 (1990-11-01), Kitanishi et al.
patent: 5026560 (1991-06-01), Makino et al.
The Dow Chemical Company "Formulating for Controlled Release with METHOCEL cellulose ethers" 1987.
Copies of the PTO-1449 Forms as filed in the parent case (P6523).

Affiliated with

Also associated with

Rating

Extended release pharmaceutical formulations does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Extended release pharmaceutical formulations, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Extended release pharmaceutical formulations will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-1686131