Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6281170 | Surface tension reduction with N,N,N'-trialkkyl ureas | John Anthony Marsella, Kevin Rodney Lassila | 2001-08-28 |
| 5175369 | Separation of methoxyisopropylamine from methoxyisopropylamine-water azeotrope | — | 1992-12-29 |
| 5074967 | Separation of methoxyisopropylamine from methoxyisopropylamine-water azeotrope | — | 1991-12-24 |
| 4967001 | Alkylation of toluenediamine and para-phenylenediamine with isobutylene in the presence of acidic, crystalline molecular sieves | — | 1990-10-30 |
| 4954144 | Polyimide membranes and their use for gas separation | William F. Burgoyne, Jr., Michael Langsam | 1990-09-04 |
| 4868335 | Separation of mono-n-hexylamine-water azeotrope | Lewis S. Forester, George D. Cooper | 1989-09-19 |
| 4645834 | Synthesis of heterocyclic amines via the reaction of dialkylene glycol and ammonia | Dale D. Dixon, Randall J. Daughenbaugh | 1987-02-24 |
| 4314084 | Synthesis of lower alkyl amines | Joaquin V. Martinez de Pinillos | 1982-02-02 |