Description: 522 synthetic resins or natural rubbers -- part of the class 520 series / 522 synthetic resins or natural rubbers -- part of the class 520 series/() synthetic resins (class 520, subclass 1) (1) compositions to be polymerized by wave energy wherein said composition contains a rate-affecting material; or compositions to be modified by wave energy wherein said composition contains a rate-affecting material; or processes of preparing or treating a solid polymer utilizing wave energy (71) processes of preparing or treating a solid polymer by wave energy in the presence of a designated nonreactant material (dnrm); or compositions therefore (74) organic dnrm (75) heterocyclic ring containing dnrm
Hierarchy/Derived subclasses
uspto searches
Patent Apps in 522/75
Granted Patents in 522/75
Use the links above or do an advanced search in
ppubs for:
(522/75.ccls.)
This will show what classes derive from the input. Ex: entering 43/42.24 shows the derived classes and the search that can be used to find
patents or patent applications in those subclasses.