US PATENT SUBCLASS 106 / 819
.~ Additive materials for inorganic cements which contain a hydraulic settable material

Current as of: June, 1999
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106 /   HD   COMPOSITIONS: COATING OR PLASTIC

*  DD  MATERIALS OR INGREDIENTS {7}
819.~ Additive materials for inorganic cements which contain a hydraulic settable material {4}
820  DF  .~.~> Expanding, foaming or porosity producing additive
821  DF  .~.~> Protein containing additive
822  DF  .~.~> Wax, tallow, oil, natural resin or higher fatty acid or salt, amide, or ester thereof containing additive (e.g., rosin, tall oil, hydrocarbon oil, etc.)
823  DF  .~.~> Organic material containing additive (e.g., carbohydrate, bituminous material, etc.)

DEFINITION

Classification: 106/819

Additive materials for inorganic cements which contain a hydraulic settable material:

Materials or ingredients specifically designed to be added to inorganic cements which contain a settable material.

(1) Note. Many of the patents in this and indented subclasses are for water-proofing agents, stabilizers, retarders or setting agents to be added to settable compositions.

SEE OR SEARCH CLASS

260, Chemistry of Carbon Compounds, and 423, Chemistry of Inorganic Compounds, for materials or ingredients of coating or plastic compositions which are single compounds or are reaction mixtures.