Patent · US Expired

Lubricious coatings, medical articles containing same and method for their preparation

US5084315A · kind A · utility

129Cited by
7References
24Claims
0Family size

Assignee

Inventors

Key dates

Filing dateFeb 1, 1990
Grant dateJan 28, 1992
Priority date
Expiry dateFeb 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.