PAUL P QUENIN
Engineers in Pittsburgh, PA

License number
Pennsylvania PE000603K
Category
Engineers
Type
Professional Engineer
Address
Address
Pittsburgh, PA 15237

Professional information

Paul Quenin Photo 1

Recovery Of Asphalt Shingle Components By Solvent Extraction

US Patent:
4222851, Sep 16, 1980
Filed:
Nov 6, 1978
Appl. No.:
5/958172
Inventors:
Robert D. Good - late of Pittsburgh PA
Paul P. Quenin - Pittsburgh PA
Assignee:
Dravo Corporation - Pittsburgh PA
International Classification:
C10C 100
US Classification:
208 45
Abstract:
This invention relates to the treatment of a multi-component material to separate and recover the components thereof, and more particularly to the solvent extraction or treatment of waste asphalt shingles to recover, in reusable form, the filler, fiber, granules and like solid components as well as asphalt therefrom.