Issued Patents All Time
Showing 1–25 of 35 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11725083 | Method for forming chitin film | Hsuan-Lun Chi | 2023-08-15 |
| 4826576 | Separation of isopropyl acetate from isopropanol by extractive distillation | Lloyd Berg | 1989-05-02 |
| 4822947 | Separation of m-xylene from o-xylene by extractive distillation with DMSO | Lloyd Berg | 1989-04-18 |
| 4738755 | Separation of m-xylene from o-xylene by extractive distillation | Lloyd Berg | 1988-04-19 |
| 4735690 | Dehydration of impure formic acid by extractive distillation | Lloyd Berg | 1988-04-05 |
| 4724049 | Separation of isobutyl acetate from isobutanol by extractive distillation | Lloyd Berg | 1988-02-09 |
| 4718988 | Separation of 2-butyl acetate from 2-butanol by extractive distillation | Lloyd Berg | 1988-01-12 |
| 4693789 | Separation of isopropyl acetate from isopropanol by extractive distillation | Lloyd Berg | 1987-09-15 |
| 4690734 | Separation of n-amyl acetate from n-amyl alcohol by extractive distillation | Lloyd Berg | 1987-09-01 |
| 4676872 | Separation of m-xylene from o-xylene by extractive distillation with adiponitrile and mixtures thereof | Lloyd Berg | 1987-06-30 |
| 4676874 | Separation of n-propyl acetate from n-propanol and water by extractive distillation | Lloyd Berg | 1987-06-30 |
| 4676875 | Separation of m-xylene from o-xylene by extractive distillation | Lloyd Berg | 1987-06-30 |
| 4673465 | Separation of m-xylene from o-xylene by extractive distillation with polychloro compounds | Lloyd Berg | 1987-06-16 |
| 4670106 | Separation of n-amyl acetate and water from n-amyl alcohol by extractive distillation | Lloyd Berg | 1987-06-02 |
| 4670105 | Dehydration of propanoic acid by extractive distillation | Lloyd Berg | 1987-06-02 |
| 4666563 | Separation of isopropyl ether from isopropanol and water by extractive distillation | Lloyd Berg | 1987-05-19 |
| 4654123 | Dehydration of ethanol by extractive distillation | Lloyd Berg | 1987-03-31 |
| 4642167 | Separation of isobutyl acetate from isobutanol by extractive distillation | Lloyd Berg | 1987-02-10 |
| 4642166 | Dehydration of formic acid by extractive distillation | Lloyd Berg | 1987-02-10 |
| 4631115 | Dehydration of ethanol by extractive distillation | Lloyd Berg | 1986-12-23 |
| 4597834 | Separation of methyl acetate from methanol by extractive distillation | Lloyd Berg | 1986-07-01 |
| 4592805 | Separation of n-propyl acetate from n-propanol by extractive distillation | Lloyd Berg | 1986-06-03 |
| 4585526 | Separation of m-xylene from o-xylene by extractive distillation | Lloyd Berg | 1986-04-29 |
| 4566948 | Separation of isopropyl ether from isopropanol and water by extractive distillation | Lloyd Berg | 1986-01-28 |
| 4551207 | Separation of isopropyl ether from acetone by extractive distillation | Lloyd Berg | 1985-11-05 |