Patent · US Expired

Rolled matrix device having enhanced ability to unroll and method for its production

US4861596A · kind A · utility

37Cited by
2References
14Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMar 21, 1988
Grant dateAug 29, 1989
Priority date
Expiry dateMar 21, 2008

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T428/31913
  • WIPO fieldPharmaceuticals
  • WIPO sectorChemistry

Abstract

A method for enhancing the unrolling of a rolled active agent-containing laminate device in an aqueous use environment which comprises coating one side of the device with an elastomer prior to constraining it in a rolled configuration; and the devices so treated.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.