| Patent Number |
Title Of Patent |
Date Issued |
| 6179818 |
Ostomy bags and vessels for biological materials |
January 30, 2001 |
| The invention provides a vessel for biological materials comprising a multilayer polymeric barrier material that has very low permeability to small molecules, such as water and oxygen, high flexibility and softness, and is resistant to tearing. The invention is particularly useful for |
| 5952422 |
Polyurethane pressure-sensitive adhesives |
September 14, 1999 |
| Method for forming a polyurethane based adhesive composition in which a reaction mixture of at least one NCO-terminated prepolymer and a polyhydroxy compound is heated at a temperature and for a length of time sufficient to provide a gel content of from about 30 to 42% by weight and |
| 5910536 |
Polyurethane pressure-sensitive adhesives |
June 8, 1999 |
| Methods for producing poly[urethane-(meth)acrylate]-based adhesives in which an isocyanate-terminated prepolymer is reacted to convert the isocyanate terminal groups into groups capable of cross-linking with each other, excess isocyanate groups are quenched with an isocyanate group q |
| 5591820 |
Polyurethane pressure-sensitive adhesives |
January 7, 1997 |
| Pressure-sensitive adhesives which possess absorptivity and/or permeability properties to remove transepidermal water loss and/or other bodily fluids that come into contact with the adhesive, in combination with a fine balance of cohesion and adhesion properties, can be formulated by |
| 5310559 |
Device for controlled release and delivery to mammalian tissue of pharmacologically active agent |
May 10, 1994 |
| Described is a device for the controlled release and delivery to mammalian tissue of a pharmacologically active agent comprising:(i) an impermeable backing member;(ii) a control membrane lamina consisting essentially of a first polymeric composition of matter which consists essentially of at |
