Issued Patents All Time
Showing 1–22 of 22 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8785667 | Processes for preparing diacids, dialdehydes and polymers | Vladimir Grushin, Leo Ernest Manzer | 2014-07-22 |
| 8748637 | Processes for preparing diacids, dialdehydes and polymers | Vladimir Grushin, Leo Ernest Manzer | 2014-06-10 |
| 8748638 | Processes for preparing diacids, dialdehydes and polymers | Vladimir Grushin, Leo Ernest Manzer | 2014-06-10 |
| 8575299 | Processes for preparing diacids, dialdehydes and polymers | Vladimir Grushin, Leo Ernest Manzer | 2013-11-05 |
| 8524923 | Processes for preparing diacids, dialdehydes and polymers | Vladimir Grushin, Leo Ernest Manzer | 2013-09-03 |
| 8129550 | Oxidation of 5-(hydroxymethyl) furfural to 2,5 diformylfuran and subsequent decarbonylation to unsubstituted furan | Vladimir Grushin, Leo Ernest Manzer | 2012-03-06 |
| 7956203 | Oxidation of 5-(hydroxymethyl) furfural to 2,5-diformylfuran and subsequent decarbonylation to unsubstituted furan | Vladimir Grushin, Leo Ernest Manzer | 2011-06-07 |
| 6958373 | Transformation of polymers to useful chemicals oxidation | — | 2005-10-25 |
| 5453538 | Process for the manufacture of aromatic dicarboxylic acids utilizing cerium to facilitate a low bromine to metals catalyst ratio | Jeffrey L. Broeker, Bruce I. Rosen | 1995-09-26 |
| 5194633 | Preparation of 1,1,1,3,3,3-hexafluoro-2,2-Di(3,4-dicarboxyphenyl)propane anhydride | Douglas E. Fjare, Gayle G. Chany | 1993-03-16 |
| 5112992 | Production of polycarboxylic acids with hafnium-activated cobalt catalyst | Frank G. Belmonte, Kristi A. Fjare | 1992-05-12 |
| 5081290 | Process for making aromatic polycarboxylic acids and oxidation catalyst system | Diane J. Graziano | 1992-01-14 |
| 5041633 | Process for the production of an aromatic polycarboxylic acid | Gregory P. Hussmann, Juergen K. Holzhauer, Stephen V. Hoover | 1991-08-20 |
| 4992580 | Production of polycarboxylic acids with a molybdenum-activated cobalt catalyst | — | 1991-02-12 |
| 4950786 | Method for making 2,6-naphthalene dicarboxylic acid | Paul A. Sanchez, David A. Young, George E. Kuhlmann, Wayne P. Schammel | 1990-08-21 |
| 4940810 | Process for producing silicon-containing aromatic polyacids | Howard B. Yokelson, Robert K. Gipe | 1990-07-10 |
| 4816601 | Process for the manufacture of trimellitic acid | James D. Lowry, Jr., Neal R. Nowicki | 1989-03-28 |
| 4786753 | Oxidation process for the manufacture of aromatic acids from alkylaromatic compounds | Wayne P. Schammel | 1988-11-22 |
| 4719311 | Process for the production of aromatic polycarboxylic acids | — | 1988-01-12 |
| 4284523 | Minimizing oxygenated aromatic compound content of aqueous solution of reclaimed metal oxidation catalyst | John K. Darin, Joseph D. Figuly | 1981-08-18 |
| 4242128 | Removal of dissolved copper from aqueous solution also containing dissolved cobalt or manganese | — | 1980-12-30 |
| 4228091 | Removal of nickel from cobalt and manganese | — | 1980-10-14 |