Issued Patents All Time
Showing 1–17 of 17 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5821553 | Pyrolysis and hydrolysis of mixed polymer waste comprising polyethyleneterephthalate and polyethylene to sequentially recover | Robert J. Evans | 1998-10-13 |
| 5504259 | Process to convert biomass and refuse derived fuel to ethers and/or alcohols | James P. Diebold, John Scahill, Robert J. Evans, Bahman Rejai, Richard L. Bain +1 more | 1996-04-02 |
| 5464602 | Sequential pyrolysis of plastic to recover polystyrene HCL and terephthalic acid | Robert J. Evans | 1995-11-07 |
| 5386070 | Pyrolysis of polystyrene - polyphenylene oxide to recover styrene and useful products | Robert J. Evans | 1995-01-31 |
| 5359099 | Controlled catalytic and thermal sequential pyrolysis and hydrolysis of mixed polymer waste streams to sequentially recover monomers or other high value products | Robert J. Evans | 1994-10-25 |
| 5359061 | Controlled catalytic and thermal sequential pyrolysis and hydrolysis of polymer waste comprising nylon 6 and a polyolefin or mixtures of polyolefins to sequentially recover monomers or other high value products | Robert J. Evans | 1994-10-25 |
| 5321174 | Controlled catalystic and thermal sequential pyrolysis and hydrolysis of polycarbonate and plastic waste to recover monomers | Robert J. Evans | 1994-06-14 |
| 5300704 | Controlled catalytic and thermal sequential pyrolysis and hydrolysis of mixed polymer waste streams to sequentially recover monomers or other high value products | Robert J. Evans | 1994-04-05 |
| 5235021 | Resole resin products derived from fractionated organic and aqueous condensates made by fast-pyrolysis of biomass materials | Stuart K. Black, James P. Diebold, Roland E. Kreibich | 1993-08-10 |
| 5223601 | Phenolic compounds containing/neutral fractions extract and products derived therefrom from fractionated fast-pyrolysis oils | Stuart K. Black, James P. Diebold, Roland E. Kreibich | 1993-06-29 |
| 5216149 | Controlled catalytic and thermal sequential pyrolysis and hydrolysis of mixed polymer waste streams to sequentially recover monomers or other high value products | Robert J. Evans | 1993-06-01 |
| 5136111 | Controlled catalytic and thermal sequential pyrolysis and hydrolysis of phenolic resin containing waste streams to sequentially recover monomers and chemicals | Robert J. Evans | 1992-08-04 |
| 5091499 | Process for preparing phenolic formaldehyde resole resin products derived from fractionated fast-pyrolysis oils | Roland E. Kreibich | 1992-02-25 |
| 4964995 | Supercritical separation process for complex organic mixtures | Giuseppe Filardo | 1990-10-23 |
| 4942269 | Process for fractionating fast-pyrolysis oils, and products derived therefrom | Stuart K. Black | 1990-07-17 |
| 4617090 | Process for producing peracids from aliphatic hydroxy carboxylic acids | Matthew A. Ratcliff, Peter D. Palasz | 1986-10-14 |
| 4476025 | Separation of certain carboxylic acids utilizing cation exchange membranes | David W. Sopher | 1984-10-09 |