John F. Fritch

Person

Corpus Christi, TX, US

People

Patents Grantslast 30 patents

Information Patent Grant
Process for the production of vinyl acetate
- Patent number 6,852,877
- Issue date Feb 8, 2005
- Celanese International Corp
- Sabine Zeyss
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Integrated process for the production of vinyl acetate
- Patent number 6,790,983
- Issue date Sep 14, 2004
- Celanese International Corporation
- Sabine Zeyss
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Use of 4-substituted 2-butanones to prepare nabumetone
- Patent number 5,600,009
- Issue date Feb 4, 1997
- Hoechst Celanese Corporation
- John F. Fritch
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for preparing pyridine and quinoline derivatives
- Patent number 5,405,987
- Issue date Apr 11, 1995
- Hoechst Celanese Corporation
- Varadaraj Elango
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Selective precipitation of .alpha.-aryl carboxylic acid salts
- Patent number 5,399,707
- Issue date Mar 21, 1995
- Hoechst Celanese Corporation
- Apurba Bhattacharya
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Selective precipitation of .alpha.-aryl carboxylic acid salts
- Patent number 5,380,867
- Issue date Jan 10, 1995
- Hoechst Celanese Corporation
- Apurba Bhattacharya
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Racemization of an enantomerically enriched .alpha.-aryl carboxylic...
- Patent number 5,332,834
- Issue date Jul 26, 1994
- Hoechst Celanese Corporation
- Apurba Bhattacharya
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for preparing pyridinecarboxylic acid derivatives
- Patent number 5,322,948
- Issue date Jun 21, 1994
- Hoechst Celanese Corporation
- Varadaraj Elango
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Production of acetaminophen
- Patent number 5,155,273
- Issue date Oct 13, 1992
- Hoechst Celanese Corporation
- John R. Fritch
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Production of acetaminophen
- Patent number 4,954,652
- Issue date Sep 4, 1990
- Hoechst Celanese Corporation
- John R. Fritch
- C07 - ORGANIC CHEMISTRY

John F. Fritch

Person

Patents Grantslast 30 patents

Process for the production of vinyl acetate

Integrated process for the production of vinyl acetate

Use of 4-substituted 2-butanones to prepare nabumetone

Process for preparing pyridine and quinoline derivatives

Selective precipitation of .alpha.-aryl carboxylic acid salts

Selective precipitation of .alpha.-aryl carboxylic acid salts

Racemization of an enantomerically enriched .alpha.-aryl carboxylic...

Process for preparing pyridinecarboxylic acid derivatives

Production of acetaminophen

Production of acetaminophen