Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6231659 | Sizing agents and starting materials for their preparation | Patrick C. Hu, Valerie N. Legloahec, Michelle R. Free | 2001-05-15 |
| 6221835 | High density zeolites and their production | Patrick C. Hu, Conrad J. Langlois, Jr., Joseph E. Coury | 2001-04-24 |
| 6133221 | Fluorinated hydrobromocarbon solvent cleaning process and composition | Phillip R. Beaver, James E. Boone, Eric W. Liimatta, David L. Shelton, Ronald L. Shubkin | 2000-10-17 |
| 6114293 | Movie film cleaning process using halogenated hydrobromocarbon solvents | Phillip R. Beaver, James E. Boone, Eric W. Liimatta, David L. Shelton, Ronald L. Shubkin | 2000-09-05 |
| 5105001 | Phosphazene antioxidants | Hsueh M. Li | 1992-04-14 |
| 4847434 | Biphenol process | George L. Mina, John S. Gramling | 1989-07-11 |
| 4731492 | Phenol alkylation process | Steven L. Wiker, S. Wendell Holmes, JR. | 1988-03-15 |
| 4714691 | Heterogeneous catalyst process | Silas W. Holmes, Edward A. Burt | 1987-12-22 |
| 4631349 | Heterogeneous catalyst process | Silas W. Holmes, Edward A. Burt | 1986-12-23 |
| 4628127 | Heterogeneous catalytic alkylation | Silas W. Holmes, Edward A. Burt | 1986-12-09 |
| 4560809 | Alkylation process | Harold V. Huggins, Edward A. Burt, Silas W. Holmes | 1985-12-24 |