Issued Patents All Time
Showing 1–17 of 17 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8575413 | Process for the alkylation of benzene with isopropanol or blends of isopropanol and propylene | Paolo Calaresu, Pier Gianni Cabras | 2013-11-05 |
| 5456806 | Procedure for the recovery of phenol from its mixtures containing cumene and alpha-methylstyrene | Giuseppe Messina, Slavatore Simula | 1995-10-10 |
| 5262016 | Process for purifying phenol | Salvatore Simula, Giuseppe Messina, Vittorio Bruzzi | 1993-11-16 |
| 5149872 | Process for the preparation of oxalyl- and oxamyl-hydrazides | Giuseppe Messina, Paolo Calaresu, Giovanni M. Sechi | 1992-09-22 |
| 5098525 | Process for disposing of residues deriving from the synthesis of chlorinated hydrocarbons | Giuseppe Messina, Vittorio Bruzzi, Salvatore Simula | 1992-03-24 |
| 5068429 | Method of purification of the oxalic acid diamide | Nino Dessantis, Angelo Virdis | 1991-11-26 |
| 5047587 | Process for purifying oxalic acid diamide | Giuseppe Messina, Vittorio Bruzzi | 1991-09-10 |
| 5026866 | Synthesis of 2,2'-bis-.DELTA..sup.2 -oxazoline | Giuseppe Messina, Giovanna Chessa | 1991-06-25 |
| 5017721 | Process for the preparation of oxalyl- and oxamyl-hydrazides | Giuseppe Messina, Paolo Calaresu, Giovanni M. Sechi | 1991-05-21 |
| 4981963 | Method of preparation of oxalic acid esters and amides | Giuseppe Messina, Giovanni M. Sechi, Giovanni Chessa | 1991-01-01 |
| 4978786 | Chemical process for the preparation of oxamide derivatives and compounds prepared thereby | Giuseppe Messina, Giovanni M. Sechi, Vittorio Bruzzi | 1990-12-18 |
| 4954660 | Process for the direct hydration of linear olefins | Giuseppe Messina, Carmelo Nurra, Oscar Cappellazzo, Angelo Virdis | 1990-09-04 |
| 4945161 | Process for the preparation of N,N'-bis-(2-hydroxy-ethyl) piperazine | Giuseppe Messina, Paolo Calaresu | 1990-07-31 |
| 4439570 | Phenolic antioxidant compositions for organic polymers | Giuseppe Messina, Antonio L. Fadda | 1984-03-27 |
| 4374279 | Process for the preparation of dicumyl peroxide | Giuseppe Messina, Mario D. Moretti | 1983-02-15 |
| 4374280 | Process for the preparation of dicumyl peroxide | Giuseppe Messina, Mario D. Moretti | 1983-02-15 |
| 4216345 | Preparation of linear alkylbenzenes | Giuseppe Messina, Lucio Di Fiore | 1980-08-05 |