×

Microporous thermal insulation material

  • US 5,302,444 A
  • Filed: 02/04/1993
  • Issued: 04/12/1994
  • Est. Priority Date: 02/07/1992
  • Status: Expired due to Term
First Claim
Patent Images

1. A thermal insulation material comprising an intimate, dry mixture of a particulate microporous material and reinforcing glass filaments, wherein the glass constituting the glass filaments contains not more than 1 per cent by weight Na2 O.

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