Mortar compositions

• US 2,820,713 A
• Filed: 03/02/1956
• Issued: 01/21/1958
• Est. Priority Date: 03/02/1956
• Status: Expired due to Term

• Current Assignee: Herman B. Wagner
• Original Assignee: Herman B. Wagner
• Inventors: Wagner, Herman B.
• Application Number:
  US03/568,992
• Time in Patent Office: 690 Days
• US Class Current: 106/642
• CPC Class Codes: C04B 22/124 Chlorides of ammonium or of the alkali or alkaline earth metals, e.g. calcium chloride
• CPC Class Codes: C04B 22/14 containing sulfur in the anion, e.g. sulfides
• 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

4. A COMPOSITION CAPABLE OF BEING MIXED WITH WATER TO FORM A MORTAR AND COMPRISING PORTLAND CEMENT AS ITS PRINCIPAL INGREDIENT AND THE FOLLOWING INGREDIENTS IN PERCENTAGES BASED ON THE WEIGHT OF THE CEMENT:

METHYL CELLULOSE HAVING A VISCOSITY BETWEEN ABOUT 80 AND 6,000 CENTIPOISE IN 2% SOLUTION, ABOUT 0.25% TO 2.2% AND A MIXTURE OF A MATERIAL SELECTED FROM THE CLASS CONSISTING OF ALKYL AND ARYL ESTERS OF AN ALKALI METAL THIOSULFURIC ACID AND AN ALKALINE EARTH METAL POLYSULFIDE ABOUT 2% TO 10%, THE RATIO OF SAID ESTER TO POLYSULFIDE IN SAID MIXTURE BEING BETWEEN ABOUT 1.8;

1 AND ABOUT 3;

1.