Issued Patents 1989
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4886909 | Aromatic amine terminated trifunctional polyoxyalkylene urea | George P. Speranza | 1989-12-12 |
| 4886867 | Novel compositions from polyoxyalkylene amines and epoxides | George P. Speranza | 1989-12-12 |
| 4885390 | Alkoxylated ethylene glycol diamine bottoms products for rigid urethane foams | George P. Speranza, Michael E. Brennan | 1989-12-05 |
| 4866177 | Process for one-step synthesis of amides | — | 1989-09-12 |
| 4849543 | Process for the hydroformylation/Michael addition of acrylates to diesters | — | 1989-07-18 |
| 4847380 | High molecular weight polyalkoxyamide, urea or urethane-containing piperidine radical | George P. Speranza | 1989-07-11 |
| 4831159 | Process for hydroformylation of n-vinyl-2-pyrrolidinone | — | 1989-05-16 |
| 4828757 | Liquid cleaning compositions containing polyether amide surfactants as thickening agents | Carter G. Naylor, George P. Speranza | 1989-05-09 |
| 4806678 | Process for the hydroformylation of allylic esters using a cobalt catalyst | — | 1989-02-21 |
| 4803305 | Isobutane oxidation in the presence of a soluble iron complex as catalyst | John R. Sanderson, Edward T. Marquis | 1989-02-07 |
| 4795581 | Aqueous fluids thickened with fatty acid modified polyoxyalkylene diamines | Edward C. Y. Nieh, George P. Speranza | 1989-01-03 |