×

Lightweight insulating concrete and method for using same

  • US 6,290,769 B1
  • Filed: 06/22/1999
  • Issued: 09/18/2001
  • Est. Priority Date: 06/22/1999
  • Status: Expired due to Term
First Claim
Patent Images

1. A composition of matter suitable for forming lightweight insulating concrete, comprising:

  • a cementitious forming material selected from the group consisting of (i) a combination of Portland cement, plaster of Paris, and terra alba, and (ii) a combination of calcium aluminate cement, and plaster of Paris; and

    a combination lightweight aggregate comprising an expanded perlite component and an expanded vermiculite component, wherein in which a ratio by weight of eiter of said components to the other of said components does not exceed about 2;

    1.

View all claims
  • 1 Assignment
Timeline View
Assignment View
    ×
    ×