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Class Information
Number: 527/503
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 phenolic reactant or aldehyde reactant
Description: Subject matter wherein a phenolic reactant or aldehyde or derivative reactant is additionally present.

Patents under this class:

Patent Number Title Of Patent Date Issued
7750105 Resins and adhesive formulations therewith Jul. 6, 2010
5350610 Damping material Sep. 27, 1994
5173548 Epoxy-modified hydrocarbon resins Dec. 22, 1992
4594384 Adhesive composition particularly for manufacturing wood constructions, panels and other similar wood products Jun. 10, 1986
4337193 Preparation of hardened tall oil pitch Jun. 29, 1982
4215212 Regenerated cellulose containing cross linked sodium lignate or sodium lignosulfonate Jul. 29, 1980

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