High temperature portland cement mortars

• US 2,959,489 A
• Filed: 11/12/1957
• Issued: 11/08/1960
• Est. Priority Date: 11/12/1957
• Status: Expired due to Term

• Current Assignee: Herman B. Wagner
• Original Assignee: Herman B. Wagner
• Inventors: Wagner, Herman B.
• Application Number:
  US03/695,552
• Time in Patent Office: 1,092 Days
• US Class Current: 106/727
• CPC Class Codes: C04B 14/18 Perlite
• CPC Class Codes: C04B 22/14 containing sulfur in the anion, e.g. sulfides
• CPC Class Codes: C04B 24/02 Alcohols; Phenols; Ethers
• CPC Class Codes: C04B 24/12 Nitrogen containing compounds organic derivatives of hydrazine hydrazine C04B22/00
• CPC Class Codes: C04B 24/16 Sulfur-containing compounds
• CPC Class Codes: C04B 24/383 Cellulose or derivatives thereof
• CPC Class Codes: C04B 28/04 Portland cements

Claims

1. A DRY MORTAR COMPOSITION CONSISTING ESSENTIALLY OF METHYL CELLULOSE, A COMPOUND SELECTED FROM THE GROUP CONSISTING OF UREA AND AN INORGANIC THIOCYANATE AND A MAJOR PORTION OF PORTLAND CEMENT.