Synthetic resins (class 520, subclass 1) > From coal or bituminous material, extract or derivative thereof, or fatty still residue reactant > With polyepoxide reactant or n=c=x reactant wherein x is chalcogen > Patents

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Class Information
Number: 527/501
Name: Synthetic resins or natural rubbers -- part of the class 520 series > Synthetic resins (class 520, subclass 1) > From coal or bituminous material, extract or derivative thereof, or fatty still residue reactant > With polyepoxide reactant or n=c=x reactant wherein x is chalcogen
Description: Subject matter wherein a polyepoxide reactant or N=C=X reactant is additionally present.

Patents under this class:

Patent Number	Title Of Patent	Date Issued
7176250	Fluororesin powder coating composition	Feb. 13, 2007
5574095	Method for producing asphalts containing an epoxy-containing polymer and polyamine	Nov. 12, 1996
5350610	Damping material	Sep. 27, 1994
4337193	Preparation of hardened tall oil pitch	Jun. 29, 1982
4320223	Molded epoxy resin product containing acids from oxidation of carbonaceous materials and process for producing same	Mar. 16, 1982
3947395	Epoxy surface coating compositions	Mar. 30, 1976