Lubricious coatings, medical articles containing same and method for their preparation
US5084315A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Feb 1, 1990 |
| Grant date | Jan 28, 1992 |
| Priority date | — |
| Expiry date | Feb 1, 2010 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/31855
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
An article which becomes lubricious when wet includes a base polymer and a coating composition thereon. The composition includes a lubricating polymer and a matrix polymer which adheres to the base polymer and serves as a carrier for the lubricating polymer. The composition may also include a homogenizing polymer to enhance the compatibility of the matrix and lubricating polymer. The invention includes a method to make the article of the invention by coextruding the base polymer and the coating composition.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.