One step lubricious coating
US6299980A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Sep 29, 1998 |
| Grant date | Oct 9, 2001 |
| Priority date | — |
| Expiry date | Sep 29, 2018 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/31692
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A coating is provided comprising a polyurethane network formed from the reaction on a substrate to be coated, of a mixture comprising a polyisocyanate; a hydroxyl donor and/or amine donor; a polymer selected from the group consisting of polyethylene oxide, polyvinyl pyrrolidone, polyvinyl alcohol, polyethylene glycol, and polyacrylic acid; and an isocyanatosilane adduct having terminal isocyanate groups and at least one hydrolyzable alkoxy group bonded to silicon in a solvent. A method for preparing the coating is also provided.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.