Patent · US Expired

Coated film laminate having an ionic surface

US6783838B2 · kind B2 · utility

16Cited by

18References

37Claims

0Family size

Assignee

3M INNOVATIVE PROPERTIES COMPANY · US

Inventors

Patrick L. Coleman · Minneapolis, US
Kurt J. Halverson · Lake Elmo, US
James I. Hembre · Plymouth, US
Sanjay L. Patil · Aliso Viejo, US
Anila Prabhu · Woodbury, US
Raj Rajagopal · Woodbury, US
Jerald K. Rasmussen · Woodville, US
Barbara Swenson · North St. Paul, US
Patrick S. Quint · Windom, US

Key dates

Filing date	Apr 30, 2001
Grant date	Aug 31, 2004
Priority date	—
Expiry date	Jun 11, 2021

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY10T436/2575
WIPO fieldMeasurement
WIPO sectorInstruments

Abstract

A coated laminate having an ionic surface including a shrinkable polymeric film, an ionic coating and, optionally, a hydrogel is disclosed. A method for transferring sample molecules from a matrix to a coated laminate having an ionic surface also is disclosed.

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