US Patent Class 532
ORGANIC COMPOUNDS -- PART OF THE CLASS 532-570 SERIES-- Main Headings




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Current as of: June, 1999
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CLASS NOTES
1  DF  ORGANIC COMPOUNDS
*  DF  (This subclass presently has no patents. It is intended to be the generic subclass for the 532-570 series of class when Class 260 is abolished. It does have a glossary of terms used in that serie).
*  DF  NOTE: An alternative search for U.S. patents based upon a modification of the European Patent Office Classification, for portions of the subject matter of this or its daughter classes, may be found in Class 987, ORGANIC COMPOUNDS CONTAINING A Bi, Sb, As, OR P ATOM OR CONTAINING A METAL ATOM OF THE 6TH TO 8TH GROUP OF THE PERIODIC SYSTEM.