×

Modified polyurethane membrane sensors and analytical methods

  • US 6,200,772 B1
  • Filed: 05/10/2000
  • Issued: 03/13/2001
  • Est. Priority Date: 08/23/1997
  • Status: Expired due to Fees
First Claim
Patent Images

1. Sensor device which comprises a detector means and a membrane positioned to protect the detector from direct contact with a sample to be examined, characterised in that the said membrane comprises a modified polyurethane which is substantially no-porous and incorporates an non-ionic surfactant as modifier.

View all claims
  • 3 Assignments
Timeline View
Assignment View
    ×
    ×