Ludwig A. Hartmann

Person

Wilmington, DE, US

People

Patents Grantslast 30 patents

Information Patent Grant
Synthesis of 2-substituted-5-methylpyridines from methylcyclobutane...
- Patent number 5,053,516
- Issue date Oct 1, 1991
- ICI Americas Inc.
- Ludwig A. Hartmann
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Difunctional polyfluoroaromatic derivatives and a process of prepar...
- Patent number 4,965,394
- Issue date Oct 23, 1990
- ICI Americas Inc.
- Ludwig A. Hartmann
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Difunctional polyfluoroaromatic derivatives and a process of prepar...
- Patent number 4,866,185
- Issue date Sep 12, 1989
- ICI Americas Inc.
- Ludwig A. Hartmann
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Polyfluoroaromatic nitriles
- Patent number 4,783,547
- Issue date Nov 8, 1988
- ICI Americas Inc.
- Ludwig A. Hartmann
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Bispiperidone precursor of 2-substituted-5-methyl-pyridines
- Patent number 4,687,854
- Issue date Aug 18, 1987
- ICI Americas Inc.
- Ludwig A. Hartmann
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Synthesis of 2-substituted-5-methyl-pyridines and intermediates the...
- Patent number 4,658,031
- Issue date Apr 14, 1987
- ICI Americas Inc.
- Ludwig A. Hartmann
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Synthesis of 2-substituted-5-methyl-pyridines and intermediates the...
- Patent number 4,584,380
- Issue date Apr 22, 1986
- ICI Americas Inc.
- Ludwig A. Hartmann
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Synthesis of 2-substituted-5-methyl-pyridines
- Patent number 4,473,696
- Issue date Sep 25, 1984
- ICI Americas Inc.
- Ludwig A. Hartmann
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Preparation of cyano substituted benzyl esters
- Patent number 4,280,965
- Issue date Jul 28, 1981
- ICI Americas Inc.
- Ludwig A. Hartmann
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
High molecular weight polyethersulfones
- Patent number 4,156,068
- Issue date May 22, 1979
- ICI Americas Inc.
- Ludwig A. Hartmann
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Glycidyl ethers derived from 3,3',5,5'-tetraalkyl-4,4'-dihydroxybip...
- Patent number 4,153,621
- Issue date May 8, 1979
- ICI Americas Inc.
- Ludwig A. Hartmann
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Process for the preparation and purification of 3-(4-lithiosulfophe...
- Patent number 4,073,802
- Issue date Feb 14, 1978
- ICI Americas Inc.
- Ludwig A. Hartmann
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Glycidyl ethers derived from 3,3',5,5'-tetraalkyl-4,4'-dihydroxybip...
- Patent number 4,072,656
- Issue date Feb 7, 1978
- ICI Americas Inc.
- Ludwig A. Hartmann
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Halogenated dioxolane tranquilizers
- Patent number 4,060,532
- Issue date Nov 29, 1977
- ICI United States Inc.
- Ludwig A. Hartmann
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Halogenated dioxolane tranquilizers
- Patent number 3,996,376
- Issue date Dec 7, 1976
- ICI United States Inc.
- Ludwig A. Hartmann
- C07 - ORGANIC CHEMISTRY

Ludwig A. Hartmann

Person

Patents Grantslast 30 patents

Synthesis of 2-substituted-5-methylpyridines from methylcyclobutane...

Difunctional polyfluoroaromatic derivatives and a process of prepar...

Difunctional polyfluoroaromatic derivatives and a process of prepar...

Polyfluoroaromatic nitriles

Bispiperidone precursor of 2-substituted-5-methyl-pyridines

Synthesis of 2-substituted-5-methyl-pyridines and intermediates the...

Synthesis of 2-substituted-5-methyl-pyridines and intermediates the...

Synthesis of 2-substituted-5-methyl-pyridines

Preparation of cyano substituted benzyl esters

High molecular weight polyethersulfones

Glycidyl ethers derived from 3,3',5,5'-tetraalkyl-4,4'-dihydroxybip...

Process for the preparation and purification of 3-(4-lithiosulfophe...

Glycidyl ethers derived from 3,3',5,5'-tetraalkyl-4,4'-dihydroxybip...

Halogenated dioxolane tranquilizers

Halogenated dioxolane tranquilizers