Issued Patents All Time
Showing 1–18 of 18 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6180819 | Process for producing butyl acrylate | Josefina T. Chapman, Mario G. L. Mirabelli, Jeremia Jesaja Venter | 2001-01-30 |
| 5990343 | Process for producing butyl acrylate | Josefina T. Chapman, Mario Giuseppe Luciano Mirabelli, Jeremia Jesaja Venter | 1999-11-23 |
| 5877345 | Process for producing butyl acrylate | Josefina T. Chapman, Mario G. L. Mirabelli, Jeremia Jesaja Venter | 1999-03-02 |
| 5789613 | Reduction of carbonyl impurities in .alpha., .beta.-unsaturated acids and esters | Nelson I. Quiros | 1998-08-04 |
| 5759358 | Process for pure grade acrylic acid | Timothy Allen Hale, Robert Michael Mason, Rita K. Upmacis, Lori Marie Petrovich | 1998-06-02 |
| 5746892 | Process for pure grade acrylic acid | Timothy Allen Hale, Robert Michael Mason, Rita K. Upmacis | 1998-05-05 |
| 5571386 | Process for grade acrylic acid | Timothy Allen Hale, Robert Michael Mason, Rita K. Upmacis | 1996-11-05 |
| 5523480 | Process for purifying unsaturated carboxylic acids using distillation and melt crystallization | Robert Michael Mason, Rita K. Upmacis | 1996-06-04 |
| 5488141 | Removal of carbonyl impurities from .alpha..beta. unsaturated carboxylic acid esters | Nelson I. Quiros, Rita K. Upmacis | 1996-01-30 |
| 5468899 | Process for purifying .alpha.,.beta.-unsaturated esters | Nelson I. Quiros, Rita K. Upmacis | 1995-11-21 |
| 5358611 | Method of reducing impurities in aqueous monomer solutions | Nelson I. Quiros | 1994-10-25 |
| 5292920 | Salts of N-nitrosophenylhydroxylamine | Rita K. Upmacis, Samuel Reed | 1994-03-08 |
| 5262569 | Salts of N-nitrosophenylhydroxylamine | Rita K. Upmacis, Samuel Reed | 1993-11-16 |
| 5208370 | Method of reducing impurities in aqueous acrylic monomer solutions | Nelson I. Quiros | 1993-05-04 |
| 4415357 | Solid waste treatment in reduction of iron ore | — | 1983-11-15 |
| 4405362 | Iron ore direct reduction waste treatment | — | 1983-09-20 |
| 4342642 | Steam pyrolysis of hydrocarbons | Morgan C. Sze | 1982-08-03 |
| 4203960 | Coke desulphurization | Jose A. C. Isaacs, Oliverio M. Lamonte | 1980-05-20 |