Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6300633 | In-line method for determining the residue content of an isocyanate and apparatus useful therefor | Robert N. Hunt, Julie A. Jackson, Peter Scharein, Peter J. Ryan, Donald Macnaughton, Jr. +2 more | 2001-10-09 |
| 5196594 | Process for the production of 4,4'-diamino-dicyclohexylmethane with a low trans-trans isomer content by the catalytic hydrogenation of 4,4'-diamino-diphenylmethane | George H. Schmelzer, Guenther Bub, Werner Otte | 1993-03-23 |
| 4490300 | Liquid diphenylmethane diisocyanate compositions | Richard S. Pantone | 1984-12-25 |
| 4448995 | Catalytic hydrogenation of di(4-aminophenyl)methane | — | 1984-05-15 |
| 4394522 | Catalytic hydrogenation of di(4-aminophenyl)methane | — | 1983-07-19 |
| 4394523 | Catalytic hydrogenation of di (4-aminophenyl) methane | — | 1983-07-19 |
| 4332742 | Low temperature storage stable liquid diphenylmethane diisocyanates | — | 1982-06-01 |