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 (134) processes of chemically modifying a solid polymer or sicp derived from at least one saturated monomer by treating solid polymer or sicp with a chemical reactant; or compositions therefor (135) chemical reactant is ethylenically unsaturated (136) nitrogen (137) chemical reactant has two or more ethylenic groups
Hierarchy/Derived subclasses
uspto searches
Patent Apps in 522/137
Granted Patents in 522/137
Use the links above or do an advanced search in
ppubs for:
(522/137.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.