Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4701530 | Two-stage process for making trimethyl pyridine | Loren L. Swearingen | 1987-10-20 |
| 4701529 | Single pass process for making trimethyl pyridine | Loren L. Swearingen, Wallace E. Embrey, Jim D. Earls, Garnet E. McConchie | 1987-10-20 |
| 4684693 | Thermosettable polymer or prepolymer prepared from heterocyclic materials containing a nitrogen atom and carboxylic acid mono- or dianhydride with N,N'-bis-imide | Loren L. Swearingen, Jimmy D. Earls | 1987-08-04 |
| 4668767 | Thermosettable polymer or prepolymer prepared from heterocyclic material containing a nitrogen atom and carboxylic acid mono- or dianhydride | Loren L. Swearingen, Jimmy D. Earls | 1987-05-26 |
| 4647616 | Thermosettable polymer or prepolymer prepared from herterocycle material containing a nitrogen atom and carboxylic acid mono- or dianhydride | Loren L. Swearingen, Jimmy D. Earls | 1987-03-03 |
| 4600767 | Thermostable hydroxystyrylaza compounds | Tim R. Diephouse, John W. Robinson, Gary R. Gantt | 1986-07-15 |
| 4515938 | Hydroxystyrylazapolymers | Loren L. Swearingen | 1985-05-07 |
| 4500690 | Thermosetting polymers from aromatic aldehydes, azines and isopropenyl phenols | — | 1985-02-19 |