US PATENT SUBCLASS 208 / 370
MISCELLANEOUS


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

Internet Version by PATENTEC © 1999      Terms of Use



208 /   HD   MINERAL OILS: PROCESSES AND PRODUCTS

370MISCELLANEOUS


DEFINITION

Classification: 208/370

(under the class definition) Processes not provided for in any other subclass.

(1) Note. Included herein are miscellaneous treatments of mineral oils during transportation not provided for in any other class.

SEE OR SEARCH CLASS

137, Fluid Handling, particularly

13, for processes of improving the flow characteristics of fluids by addition of material or energy.

507, Earth Boring, Well Treating, and Oil Field Chemistry,

90, for compositions and processes for preventing contaminant deposits in petroleum oil conduits.