US PATENT SUBCLASS 508 / 392-- .~.~.~.~ Prepared by addition of carbon dioxide, carbonic acid, or salt thereof to a reaction mixture containing alkylphenol, substituted alkylphenol, or salt thereof and sulfonic acid or salt thereof

US PATENT SUBCLASS 508 / 392
.~.~.~.~ Prepared by addition of carbon dioxide, carbonic acid, or salt thereof to a reaction mixture containing alkylphenol, substituted alkylphenol, or salt thereof and sulfonic acid or salt thereof

Current as of: June, 1999
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508 /	HD	SOLID ANTI-FRICTION DEVICES, MATERIALS THEREFOR, LUBRICANT OR SEPARATE COMPOSITIONS FOR MOVING SOLID SURFACES, AND MISCELLANEOUS MINERAL OIL COMPOSITIONS

110	DF	LUBRICANTS OR SEPARANTS FOR MOVING SOLID SURFACES AND MISCELLANEOUS MINERAL OIL COMPOSITIONS (E.G., WATER CONTAINING, ETC.) {53}
388	DF	.~ Organic sulfur compound, wherein the sulfur is single bonded directly to oxygen (e.g., sulfites, etc.) {2}
390	DF	.~.~ The sulfur is part of an -O-S(=O)(=O)- group (i.e., sulfonates) {12}
391	DF	.~.~.~ Overbased or carbonated sulfonates {7}
392		.~.~.~.~ Prepared by addition of carbon dioxide, carbonic acid, or salt thereof to a reaction mixture containing alkylphenol, substituted alkylphenol, or salt thereof and sulfonic acid or salt thereof

DEFINITION

Classification: 508/392

Prepared by addition of carbon dioxide, carbonic acid, or salt thereof to a reaction mixture containing alkylphenol, substituted alkylphenol or salt thereof and sulfonic acid or salt thereof:

(under subclass 391) Compositions wherein the overbased or carbonated sulfonate is prepared by forming a reaction mixture containing (1) a sulfonic acid or a salt thereof, and (2) an alkylphenol, a substituted alkylphenol or a salt thereof, and adding to said reaction mixture one of carbon dioxide, carbonic acid, or a salt thereof.