Organic Compounds -- Part Of The Class 532-570 Series Patents (Class 532)
Foreign Patent Art Collections
(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).
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.