Delivery system comprising means for controlling internal pressu

Details Delivery system comprising means for controlling internal pressu Delivery system comprising means for controlling internal pressu

1993-07-15

1995-12-12

Phelan, D. Gabrielle

Drug, bio-affecting and body treating compositions

Preparations characterized by special physical form

Tablets, lozenges, or pills

424438, 6048921, A61K 924

Patent

active

054747856

ABSTRACT:
The present invention is directed to an improvement in a delivery system, the system comprising a wall that surrounds an internal lumen or compartment which contains a thermo-responsive beneficial agent formulation, an expandable driving member and an optional density member, and having an exit opening, and wherein the improvement comprises a) a viscosity-inducing amount of an inert viscosity-inducing agent in the thermo-responsive beneficial agent composition for increasing the viscosity of the beneficial agent composition, and/or b) a pressure-inducing exit member in the exit opening in the wall for increasing the pressure inside the lumen.

REFERENCES:
patent: 3133132 (1964-05-01), Loeb et al.
patent: 3173876 (1965-03-01), Zobrist
patent: 3276586 (1966-10-01), Rosaen
patent: 3541005 (1970-11-01), Strathmann et al.
patent: 3541006 (1970-11-01), Bixler et al.
patent: 3546142 (1970-12-01), Michaels
patent: 3845770 (1974-11-01), Theeuwes et al.
patent: 3865108 (1975-02-01), Hartop
patent: 3916899 (1975-11-01), Theeuwes et al.
patent: 4002173 (1977-01-01), Manning et al.
patent: 4077407 (1978-03-01), Theeuwes et al.
patent: 4160020 (1979-07-01), Ayer et al.
patent: 4199569 (1980-04-01), Chabala et al.
patent: 4207893 (1980-06-01), Michaels
patent: 4327725 (1982-05-01), Cortese et al.
patent: 4389397 (1983-06-01), Lo et al.
patent: 4595583 (1986-06-01), Eckenhoff et al.
patent: 4612186 (1986-09-01), Eckenhoff et al.
patent: 4624945 (1986-11-01), Eckenhoff et al.
patent: 4663148 (1987-05-01), Eckenhoff et al.
patent: 4663149 (1987-05-01), Eckenhoff et al.
patent: 4675174 (1987-06-01), Eckenhoff
patent: 4678467 (1987-07-01), Eckenhoff et al.
patent: 4684524 (1987-08-01), Eckenhoff et al.
patent: 4692326 (1987-09-01), Eckenhoff et al.
patent: 4704118 (1987-11-01), Eckenhoff
patent: 4716031 (1987-12-01), Eckenhoff et al.
patent: 4717566 (1988-01-01), Eckenhoff et al.
patent: 4717568 (1988-01-01), Eckenhoff et al.
patent: 4717718 (1988-01-01), Eckenhoff et al.
patent: 4729793 (1988-03-01), Eckenhoff et al.
patent: 4772474 (1988-09-01), Eckenhoff et al.
patent: 4781714 (1988-11-01), Eckenhoff et al.
patent: 4800056 (1989-01-01), Eckenhoff et al.
patent: 4814180 (1989-03-01), Eckenhoff et al.
patent: 4844984 (1989-07-01), Eckenhoff et al.
patent: 4927419 (1990-05-01), Scully
patent: 5045082 (1991-09-01), Ayer et al.

Affiliated with

Also associated with

Rating

Delivery system comprising means for controlling internal pressu does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Delivery system comprising means for controlling internal pressu, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Delivery system comprising means for controlling internal pressu will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-1358444