US PATENT SUBCLASS 106 / 690
.~.~ Phosphate based cement


Current as of: June, 1999
Click HD for Main Headings
Click for All Classes

Internet Version by PATENTEC © 1999      Terms of Use



106 /   HD   COMPOSITIONS: COATING OR PLASTIC

*  DD  COATING OR PLASTIC COMPOSITIONS {40}
638  DF  .~ Inorganic settable ingredient containing {30}
690.~.~ Phosphate based cement {1}
691  DF  .~.~.~> Specified filler or organic material containing


DEFINITION

Classification: 106/690

Phosphate based cement:

(under subclass 638) Subject matter involving compositions employing phosphates or phosphorus acids as a reactive compound of the settable material.

(1) Note. Commonly the composition comprises: 1. an inorganic salt of an acid phosphate, especially alkali metal or ammonium acid phosphates and 2. a basic material such as magnesium oxide, deadburned magnesite, deadburned dolomite or deadburned aluminates of the alkali and alkaline earth metals.