Pfizer Corporation

Jeelin Lo

William John Curatolo

Scott Max Herbig

Kelly L Smith

Richard W Korsmeyer

Avinash G Thombre

John R Cardinal

Alan C Curtiss

A device for controlled release of an active substance through one or more asymmetric membranes by diffusion and/or osmotic pumping.

Asymmetric membranes in delivery devices

Use of asymmetric membranes in delivery devices

An oral drug delivery system having delayed gastrointestinal transit comprising a non-continuous compressible element and an attached controlled release device and which in the expanded form resists gastrointestinal transit; and a modular system for use therein comprising a non-continuous compressible element and an attached receptacle means for receiving and holding a drug-containing orally administrable controlled release device and which in the expanded form resists gastric transit.

Gastric retention system for controlled drug release

A method for enhancing the unrolling of a rolled active agent-containing laminate device in an aqueous use environment which comprises coating one side of the device with an elastomer prior to constraining it in a rolled configuration; and the devices so treated.

Rolled matrix device having enhanced ability to unroll and method for

Growing community of inventors

Old Lyme, CT, United States of America

Jeelin Lo