Issued Patents All Time
Showing 1–16 of 16 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6265016 | Process for the preparation of slippery, tenaciously adhering, hydrophilic polyurethane hydrogel coatings, coated polymer and metal substrate materials, and coated medical devices | Fritz Hostettler, Michael R. Forman, Michael N. Helmus, Ni Ding | 2001-07-24 |
| 6120904 | Medical device coated with interpenetrating network of hydrogel polymers | Fritz Hostettler, Michael R. Forman, Michael N. Helmus, Ni Ding | 2000-09-19 |
| 6080488 | Process for preparation of slippery, tenaciously adhering, hydrophilic polyurethane hydrogel coating, coated polymer and metal substrate materials, and coated medical devices | Fritz Hostettler, Michael R. Forman, Michael N. Helmus, Ni Ding | 2000-06-27 |
| 6040058 | Slippery, tenaciously adhering hydrophilic polyurethane hydrogel coatings, coated metal substrate materials, and coated medical devices | Fritz Hostettler, Michael R. Forman, Michael N. Helmus, Ni Ding | 2000-03-21 |
| 6030656 | Process for the preparation of slippery, tenaciously adhering, hydrophilic polyurethane hydrogel coatings, coated metal substrate materials, and coated medical devices | Fritz Hostettler, Michael R. Forman, Michael N. Helmus, Ni Ding | 2000-02-29 |
| 6017577 | Slippery, tenaciously adhering hydrophilic polyurethane hydrogel coatings, coated polymer substrate materials, and coated medical devices | Fritz Hostettler, Michael R. Forman, Michael N. Helmus, Ni Ding | 2000-01-25 |
| 5919570 | Slippery, tenaciously adhering hydrogel coatings containing a polyurethane-urea polymer hydrogel commingled with a poly(N-vinylpyrrolidone) polymer hydrogel, coated polymer and metal substrate materials, and coated medical devices | Fritz Hostettler, Michael R. Forman, Michael N. Helmus, Ni Ding | 1999-07-06 |
| 5797906 | Retrograde tissue splitter and method | Rodney E. Wells, Joshua Makower | 1998-08-25 |
| 5662960 | Process for producing slippery, tenaciously adhering hydrogel coatings containing a polyurethane-urea polymer hydrogel commingled with a poly (n-vinylpyrrolidone) polymer hydrogel | Fritz Hostettler, Michael R. Forman, Michael N. Helmus, Ni Ding | 1997-09-02 |
| 5576072 | Process for producing slippery, tenaciously adhering hydrogel coatings containing a polyurethane-urea polymer hydrogel commingled with at least one other, dissimilar polymer hydrogel | Fritz Hostettler, Michael R. Forman, Michael N. Helmus, Ni Ding | 1996-11-19 |
| 5499994 | Dilation device for the urethra | Claude Tihon, John H. Burton, Timothy C. Cook | 1996-03-19 |
| 5449355 | Retrograde tissue splitter and method | Rodney E. Wells, Joshua Makower | 1995-09-12 |
| 5019350 | Fluorescent polymers | Richard S. Matthews | 1991-05-28 |
| 4650851 | Purification of glycolide | Richard S. Matthews | 1987-03-17 |
| 4296225 | Stable vinyl acetate and amine monomer copolymer emulsions | — | 1981-10-20 |
| 4276432 | Low molecular weight acrylates or methacrylates and methods for their preparation | Patrick F. Aluotto | 1981-06-30 |