Issued Patents All Time
Showing 1–21 of 21 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6359100 | Methods of preparing polyurethane adhesives, adhesives produced thereby and medical devices employing the same | Peter Wachtel | 2002-03-19 |
| 6265016 | Process for the preparation of slippery, tenaciously adhering, hydrophilic polyurethane hydrogel coatings, coated polymer and metal substrate materials, and coated medical devices | David Rhum, Michael R. Forman, Michael N. Helmus, Ni Ding | 2001-07-24 |
| 6120904 | Medical device coated with interpenetrating network of hydrogel polymers | David Rhum, 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 | David Rhum, 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 | David Rhum, 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 | David Rhum, 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 | David Rhum, 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 | David Rhum, Michael R. Forman, Michael N. Helmus, Ni Ding | 1999-07-06 |
| 5849368 | Process for hydrophilicization of hydrophobic polymers | Michael N. Helmus, Ni Ding | 1998-12-15 |
| 5662960 | Process for producing slippery, tenaciously adhering hydrogel coatings containing a polyurethane-urea polymer hydrogel commingled with a poly (n-vinylpyrrolidone) polymer hydrogel | David Rhum, 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 | David Rhum, Michael R. Forman, Michael N. Helmus, Ni Ding | 1996-11-19 |
| 4800040 | Low temperature, storage stable mixtures of prepolymers and flow modifiers | — | 1989-01-24 |
| 4797226 | Low temperature, compatible mixtures of polyether prepolymers and flow modifiers | — | 1989-01-10 |
| 4791156 | Dental prosthetic from hard, rigid, non-hydrophilic polyurethane elastomer | — | 1988-12-13 |
| 4722946 | Energy-attenuating polyurethanes | — | 1988-02-02 |
| 4577647 | Hair curler device | Larry A. Fenster | 1986-03-25 |
| 4559366 | Preparation of microcellular polyurethane elastomers | — | 1985-12-17 |
| 4524102 | Microcellular polyurethane foams having integral skin | — | 1985-06-18 |
| 4469616 | Low temperature, storage stable mixtures of polyester prepolymers and flow modifiers | — | 1984-09-04 |
| 4287307 | Integral skin microcellular polyester base polyurethane elastomers | — | 1981-09-01 |
| 4197372 | Semi-flexible polyurethane foams containing amylaceous material and process for preparing same | — | 1980-04-08 |