Willy Leimgruber

Person

Upper Montclair, NJ, US

People

Patents Grantslast 30 patents

Information Patent Grant
Pyrroles and pyrrolidines
- Patent number 4,316,847
- Issue date Feb 23, 1982
- Hoffmann-La Roche Inc.
- Andrew D. Batcho
- A23 - FOODS OR FOODSTUFFS THEIR TREATMENT, NOT COVERED BY OTHER CLASSES
Information Patent Grant
Novel syntheses of tryptophans
- Patent number 4,256,641
- Issue date Mar 17, 1981
- Hoffmann-La Roche Inc.
- Andrew D. Batcho
- A23 - FOODS OR FOODSTUFFS THEIR TREATMENT, NOT COVERED BY OTHER CLASSES
Information Patent Grant
Fluorogenic materials and labeling techniques
- Patent number 4,238,589
- Issue date Dec 9, 1980
- Hoffmann-La Roche Inc.
- Roy Cleeland
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Synthesis of tryptophans
- Patent number 4,198,501
- Issue date Apr 15, 1980
- Hoffmann-La Roche Inc.
- Andrew D. Batcho
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Lower alkyl esters of .alpha.-formamido,.alpha.-carbalkoxy tryptophans
- Patent number 4,140,697
- Issue date Feb 20, 1979
- Hoffmann-La Roche Inc.
- Andrew D. Batcho
- A23 - FOODS OR FOODSTUFFS THEIR TREATMENT, NOT COVERED BY OTHER CLASSES
Information Patent Grant
Process for the preparation of aldehydes
- Patent number 4,139,720
- Issue date Feb 13, 1979
- Hoffmann-La Roche Inc.
- Willy Leimgruber
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Synthesis of tryptophans
- Patent number 4,137,404
- Issue date Jan 30, 1979
- Hoffmann-La Roche Inc.
- Andrew D. Batcho
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for the preparation of aldehydes
- Patent number 4,123,464
- Issue date Oct 31, 1978
- Hoffmann-La Roche Inc.
- Willy Leimgruber
- A23 - FOODS OR FOODSTUFFS THEIR TREATMENT, NOT COVERED BY OTHER CLASSES
Information Patent Grant
Synthesis of tryptophans
- Patent number 4,073,795
- Issue date Feb 14, 1978
- Hoffmann-La Roche Inc.
- Andrew David Batcho
- A23 - FOODS OR FOODSTUFFS THEIR TREATMENT, NOT COVERED BY OTHER CLASSES
Information Patent Grant
Process for the preparation of aldehydes
- Patent number 4,073,811
- Issue date Feb 14, 1978
- Hoffmann-La Roche Inc.
- Willy Leimgruber
- A23 - FOODS OR FOODSTUFFS THEIR TREATMENT, NOT COVERED BY OTHER CLASSES
Information Patent Grant
1-Dimethylamino-2,4-diphenyl-1-butene-3,4-dione
- Patent number 4,045,487
- Issue date Aug 30, 1977
- Hoffmann-La Roche Inc.
- Roy Cleeland
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Certain 2-hydroxy-2,4-diaryl-3-furanones
- Patent number 4,038,289
- Issue date Jul 26, 1977
- Hoffmann-La Roche Inc.
- Roy Cleeland
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Fluorogenic materials and labeling techniques
- Patent number 4,018,884
- Issue date Apr 19, 1977
- Hoffmann-La Roche Inc.
- Roy Cleeland
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for the preparation of aldehydes
- Patent number 4,016,212
- Issue date Apr 5, 1977
- Hoffmann-La Roche Inc.
- Willy Leimgruber
- A23 - FOODS OR FOODSTUFFS THEIR TREATMENT, NOT COVERED BY OTHER CLASSES
Information Patent Grant
Intermediates for indoles
- Patent number 3,976,639
- Issue date Aug 24, 1976
- Hoffmann-La Roche Inc.
- Andrew David Batcho
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Fluorogenic 2-oxy-3(2H)-furanone materials
- Patent number 3,969,373
- Issue date Jul 13, 1976
- Hoffmann-La Roche Inc.
- Roy Cleeland
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Preparation of dialkyl amino acrylonitrile
- Patent number 3,966,791
- Issue date Jun 29, 1976
- Hoffmann-La Roche Inc.
- Willy Leimgruber
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for producing dialkyl aminoacrylonitrile
- Patent number 3,965,141
- Issue date Jun 22, 1976
- Hoffmann-La Roche Inc.
- Willy Leimgruber
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Spirolactone production
- Patent number 3,957,826
- Issue date May 18, 1976
- Hoffmann-La Roche Inc.
- Willy Leimgruber
- G01 - MEASURING TESTING
Information Patent Grant
6-Substituted 1-phenazinol 5,10-dioxide derivatives
- Patent number 3,937,707
- Issue date Feb 10, 1976
- Hoffmann-La Roche Inc.
- Willy Leimgruber
Information Patent Grant
Alkyl esters of 4-chlorophenoxy-4-oxo-cycloalkyl-carboxylic acid
- Patent number 3,931,288
- Issue date Jan 6, 1976
- Hoffmann-La Roche Inc.
- Leo Berger
- C07 - ORGANIC CHEMISTRY

Willy Leimgruber

Person

Patents Grantslast 30 patents

Pyrroles and pyrrolidines

Novel syntheses of tryptophans

Fluorogenic materials and labeling techniques

Synthesis of tryptophans

Lower alkyl esters of .alpha.-formamido,.alpha.-carbalkoxy tryptophans

Process for the preparation of aldehydes

Synthesis of tryptophans

Process for the preparation of aldehydes

Synthesis of tryptophans

Process for the preparation of aldehydes

1-Dimethylamino-2,4-diphenyl-1-butene-3,4-dione

Certain 2-hydroxy-2,4-diaryl-3-furanones

Fluorogenic materials and labeling techniques

Process for the preparation of aldehydes

Intermediates for indoles

Fluorogenic 2-oxy-3(2H)-furanone materials

Preparation of dialkyl amino acrylonitrile

Process for producing dialkyl aminoacrylonitrile

Spirolactone production

6-Substituted 1-phenazinol 5,10-dioxide derivatives

Alkyl esters of 4-chlorophenoxy-4-oxo-cycloalkyl-carboxylic acid