Issued Patents All Time
Showing 1–14 of 14 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5705554 | Heat resistant coating composition | Ti Chou, James Stanley Dodge | 1998-01-06 |
| 5278209 | Thermooxidative stabilization of polyolefins with an oxo-piperazinyl-triazine and a phosphorous acid ester | John T. Lai | 1994-01-11 |
| 5240977 | Multi-component stabilizer system for polyolefins pigmented with azo and disazo pigments | John T. Lai, Pyong-Nae Son | 1993-08-31 |
| 5239071 | Process for methylating a hindered nitrogen atom in an inert non-aqueous solvent | Pyong-Nae Son, Victor L. Ledesma | 1993-08-24 |
| 5223339 | Stabilized polypropylene fibers pigmented with red 144 | John T. Lai | 1993-06-29 |
| 5190710 | Method for imparting improved discoloration resistance to articles | — | 1993-03-02 |
| 5106971 | Hybrid process for preparing a tri-substituted triazine | Victor L. Ledesma, Ronald M. Kovach | 1992-04-21 |
| 5098944 | Thermooxidative stabilization of polymers with a N4-alkylated oxo-piperazinyl-triazine | John T. Lai, Pyong-Nae Son | 1992-03-24 |
| 5049600 | Multi-component stabilizer system for polyolefins pigmented with phthalocyanine pigments | — | 1991-09-17 |
| 5047460 | Stabilized polypropylene fibers pigmented with Red 144 | John T. Lai | 1991-09-10 |
| 5026849 | Solventless process for preparing a tri-substituted triazine | Victor L. Ledesma | 1991-06-25 |
| 4929653 | Stabilized pigmented polypropylene fiber resistant to gas fade | John T. Lai, Pyong-Nae Son | 1990-05-29 |
| 4797438 | Stabilized gamma-irradiated polypropylene and sterilizable articles thereof | John T. Lai, Pyong-Nae Son | 1989-01-10 |
| 4472548 | Oligomeric phenylphosphonites | Pyong-Nae Son | 1984-09-18 |