TR27954A

Multi-layered polymer based film structure for medical grade products

Abstract

A multiple layer structure comprising a skin layer composed of a polypropylene copolymer with styrene ethylene-butene styrene block copolymer within a range of 0-20% by weight skin layer, and, a radio frequency ("RF") susceptible layer adhered to the skin layer. The RF layer has a first component of a propylene based polymer, a second component of a nonpropylene polyolefin, a third component of a radio frequency susceptible polymer, and a fourth component of a polymeric compatibilizing agent.

Term

Term ended

Expired 16 November 2014, 11.9 years ago.

  1. Priority
  2. Filed
  3. Granted
  4. Expired
  5. Today

Every citation, both ways

Citations
DocumentRelationOfficeCategoryCited duringRelevant claims
EP0446505A1CitesEuropean Patent Office (EPO)ASearch report1-55
DE4142271A1CitesGermanyASearch report1-55
US4735855ACitesUnited States of AmericaASearch report1-55