Issued Patents All Time
Showing 76–93 of 93 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4918243 | Heat integration process | Edward M. Jones, Jr., Dennis Hearn | 1990-04-17 |
| 4849569 | Alkylation of organic aromatic compounds | — | 1989-07-18 |
| 4733959 | Apparatus and method for tinting hydrophilic contact lenses | Eric Claussen, William C. Hoffman | 1988-03-29 |
| 4629710 | Resin catalysts and method of preparation | — | 1986-12-16 |
| 4551567 | Deetherification process | — | 1985-11-05 |
| 4482775 | Isomerization of C.sub.4 alkenes | — | 1984-11-13 |
| 4447668 | Process for producing high purity isoolefins and dimers thereof by dissociation of ethers | Edward M. Jones, Jr., Dennis Hearn | 1984-05-08 |
| 4443559 | Catalytic distillation structure | — | 1984-04-17 |
| 4375576 | Enhanced diisobutene production in the presence of methyl tertiary butyl ether | — | 1983-03-01 |
| 4336407 | Catalytic distillation process | — | 1982-06-22 |
| 4332968 | Imines from mesityl oxide | — | 1982-06-01 |
| 4307254 | Catalytic distillation process | — | 1981-12-22 |
| 4306068 | Process for separating primary and secondary amines | — | 1981-12-15 |
| 4302356 | Process for separating isobutene from C.sub.4 streams | — | 1981-11-24 |
| 4250052 | Catalyst structure and a process for its preparation | — | 1981-02-10 |
| 4242530 | Process for separating isobutene from C.sub.4 streams | — | 1980-12-30 |
| 4232177 | Catalytic distillation process | — | 1980-11-04 |
| 4215011 | Catalyst system for separating isobutene from C.sub.4 streams | — | 1980-07-29 |