An-I Yeh

Person

Bozeman, MT, US

People

Patents Grantslast 30 patents

Information Patent Grant
Separation of isopropyl acetate from isopropanol by extractive dist...
- Patent number 4,826,576
- Issue date May 2, 1989
- Berg; Lloyd
- Lloyd Berg
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Separation of m-xylene from o-xylene by extractive distillation wit...
- Patent number 4,822,947
- Issue date Apr 18, 1989
- Berg; Lloyd
- Lloyd Berg
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Separation of m-xylene from o-xylene by extractive distillation
- Patent number 4,738,755
- Issue date Apr 19, 1988
- Lloyd Berg
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Dehydration of impure formic acid by extractive distillation
- Patent number 4,735,690
- Issue date Apr 5, 1988
- Lloyd Berg
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Separation of isobutyl acetate from isobutanol by extractive distil...
- Patent number 4,724,049
- Issue date Feb 9, 1988
- Lloyd Berg
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Separation of 2-butyl acetate from 2-butanol by extractive distilla...
- Patent number 4,718,988
- Issue date Jan 12, 1988
- Lloyd Berg
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Separation of isopropyl acetate from isopropanol by extractive dist...
- Patent number 4,693,789
- Issue date Sep 15, 1987
- Lloyd Berg
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Separation of n-amyl acetate from n-amyl alcohol by extractive dist...
- Patent number 4,690,734
- Issue date Sep 1, 1987
- Lloyd Berg
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Separation of m-xylene from o-xylene by extractive distillation
- Patent number 4,676,875
- Issue date Jun 30, 1987
- Lloyd Berg
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Separation of n-propyl acetate from n-propanol and water by extract...
- Patent number 4,676,874
- Issue date Jun 30, 1987
- Lloyd Berg
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Separation of m-xylene from o-xylene by extractive distillation wit...
- Patent number 4,676,872
- Issue date Jun 30, 1987
- Lloyd Berg
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Separation of m-xylene from o-xylene by extractive distillation wit...
- Patent number 4,673,465
- Issue date Jun 16, 1987
- Lloyd Berg
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Separation of n-amyl acetate and water from n-amyl alcohol by extra...
- Patent number 4,670,106
- Issue date Jun 2, 1987
- Lloyd Berg
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Dehydration of propanoic acid by extractive distillation
- Patent number 4,670,105
- Issue date Jun 2, 1987
- Lloyd Berg
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Separation of isopropyl ether from isopropanol and water by extract...
- Patent number 4,666,563
- Issue date May 19, 1987
- Lloyd Berg
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Dehydration of ethanol by extractive distillation
- Patent number 4,654,123
- Issue date Mar 31, 1987
- Lloyd Berg
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Dehydration of formic acid by extractive distillation
- Patent number 4,642,166
- Issue date Feb 10, 1987
- Lloyd Berg
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Separation of isobutyl acetate from isobutanol by extractive distil...
- Patent number 4,642,167
- Issue date Feb 10, 1987
- Lloyd Berg
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Dehydration of ethanol by extractive distillation
- Patent number 4,631,115
- Issue date Dec 23, 1986
- Lloyd Berg
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Separation of methyl acetate from methanol by extractive distillation
- Patent number 4,597,834
- Issue date Jul 1, 1986
- Lloyd Berg
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Separation of n-propyl acetate from n-propanol by extractive distil...
- Patent number 4,592,805
- Issue date Jun 3, 1986
- Lloyd Berg
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Separation of m-xylene from o-xylene by extractive distillation
- Patent number 4,585,526
- Issue date Apr 29, 1986
- Lloyd Berg
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Separation of isopropyl ether from isopropanol and water by extract...
- Patent number 4,566,948
- Issue date Jan 28, 1986
- Lloyd Berg
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Separation of isopropyl ether from acetone by extractive distillation
- Patent number 4,551,207
- Issue date Nov 5, 1985
- Lloyd Berg
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Separation of methanol from methyl acetate by extractive distillation
- Patent number 4,549,938
- Issue date Oct 29, 1985
- Lloyd Berg
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Separation of isopropyl ether from methyl ethyl ketone by extractiv...
- Patent number 4,544,454
- Issue date Oct 1, 1985
- Lloyd Berg
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Separation of methyl acetate from methanol by extractive distillation
- Patent number 4,543,164
- Issue date Sep 24, 1985
- Lloyd Berg
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Separation of n-butyl acetate from n-butanol by extractive distilla...
- Patent number 4,525,245
- Issue date Jun 25, 1985
- Lloyd Berg
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Separation of isopropyl ether from isopropanol and water by extract...
- Patent number 4,510,022
- Issue date Apr 9, 1985
- Lloyd Berg
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Separation of n-butyl acetate from n-butanol by extractive distilla...
- Patent number 4,507,176
- Issue date Mar 26, 1985
- Lloyd Berg
- C07 - ORGANIC CHEMISTRY

Person

Patents Grantslast 30 patents

Separation of isopropyl acetate from isopropanol by extractive dist...

Separation of m-xylene from o-xylene by extractive distillation wit...

Separation of m-xylene from o-xylene by extractive distillation

Dehydration of impure formic acid by extractive distillation

Separation of isobutyl acetate from isobutanol by extractive distil...

Separation of 2-butyl acetate from 2-butanol by extractive distilla...

Separation of isopropyl acetate from isopropanol by extractive dist...

Separation of n-amyl acetate from n-amyl alcohol by extractive dist...

Separation of m-xylene from o-xylene by extractive distillation

Separation of n-propyl acetate from n-propanol and water by extract...

Separation of m-xylene from o-xylene by extractive distillation wit...

Separation of m-xylene from o-xylene by extractive distillation wit...

Separation of n-amyl acetate and water from n-amyl alcohol by extra...

Dehydration of propanoic acid by extractive distillation

Separation of isopropyl ether from isopropanol and water by extract...

Dehydration of ethanol by extractive distillation

Dehydration of formic acid by extractive distillation

Separation of isobutyl acetate from isobutanol by extractive distil...

Dehydration of ethanol by extractive distillation

Separation of methyl acetate from methanol by extractive distillation

Separation of n-propyl acetate from n-propanol by extractive distil...

Separation of m-xylene from o-xylene by extractive distillation

Separation of isopropyl ether from isopropanol and water by extract...

Separation of isopropyl ether from acetone by extractive distillation

Separation of methanol from methyl acetate by extractive distillation

Separation of isopropyl ether from methyl ethyl ketone by extractiv...

Separation of methyl acetate from methanol by extractive distillation

Separation of n-butyl acetate from n-butanol by extractive distilla...

Separation of isopropyl ether from isopropanol and water by extract...

Separation of n-butyl acetate from n-butanol by extractive distilla...