US PATENT SUBCLASS 507 / 267
.~.~ Organic component contains carboxylic acid, ester, or salt thereof

Current as of: June, 1999
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507 /   HD   EARTH BORING, WELL TREATING, AND OIL FIELD CHEMISTRY

200  DF  WELL TREATING {4}
203  DF  .~ Contains organic component {17}
267.~.~ Organic component contains carboxylic acid, ester, or salt thereof

DEFINITION

Classification: 507/267

Organic component contains carboxylic acid, ester, or salt thereof:

(under subclass 203) Compositions wherein the organic component contains a carboxylic acid, a carboxylic acid ester, or a carboxylic acid salt.

SEE OR SEARCH THIS CLASS, SUBCLASS:

241, for nitrogen-containing polycarboxylic acids (e.g., EDTA, etc.).

260, for polycarboxylic acids (e.g., malonic acid, maleic acid, etc.).

265, for carboxylic acids with a chain of seven or more carbon atoms (e.g., fatty acids, etc.)

266, for hydroxy-containing carboxylic acids (e.g., lactic acid, etc.).