LIME SILICO-PHOSPHATE CEMENT

A quick setting lime silico-phosphate cement is prepared by reacting Wollastonite (CaSiO3) and buffered phosphoric acid. The cement has particular utility in highway patching operations.

• Supplemental Notes:
  • Supersedes PB-215 271. Government-owned invention available for licensing. Copy of patent available Commissioner of Patents, Washington, D.C. 20231 $0.50.
• Corporate Authors:

  Department of Transportation

  1200 New Jersey Avenue, SE
  Washington, DC  United States  20590
• Authors:
  • Semler, C E
• Publication Date: 0

Media Info

• Pagination: 4 p.

Subject/Index Terms

• TRT Terms: Calcium silicate; Highway maintenance; Highways; Lime cement; Maintenance; Patching; Patents; Paving; Phosphoric acid
• Old TRIS Terms: Silico-phosphate cement; Wollastonite
• Subject Areas: Highways; Maintenance and Preservation; Materials;

Filing Info

• Accession Number: 00094789
• Record Type: Publication
• Source Agency: National Technical Information Service
• Report/Paper Numbers: PAT-APPL-273746 Patent
• Files: TRIS, USDOT
• Created Date: May 14 1976 12:00AM