Frank J. Weigert

Person

Wilmington, DE, US

People

Patents Grantslast 30 patents

Information Patent Grant
Catalytic equilibration to increase the relative mole fraction of C...
- Patent number 6,706,935
- Issue date Mar 16, 2004
- E. I. Du Pont de Nemours and Company
- Leo Ernest Manzer
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Gem-dihydropolyfluoroalkanes and monohydropolyfluoroalkenes, proces...
- Patent number 6,194,619
- Issue date Feb 27, 2001
- E. I. Du Pont de Nemours and Company
- V. N. Mallikarjuna Rao
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Catalytic equilibration to improve the relative yield of selected h...
- Patent number 5,406,009
- Issue date Apr 11, 1995
- E. I. Du Pont de Nemours and Company
- William H. Manogue
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Catalytic process for producing CF.sub.3 CHClF
- Patent number 5,302,765
- Issue date Apr 12, 1994
- E. I. Du Pont de Nemours and Company
- Leo E. Manzer
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Gem-dihydropolyfluoroalkanes and monohydropolyfluoroalkenes, proces...
- Patent number 5,268,122
- Issue date Dec 7, 1993
- E. I. Du Pont de Nemours and Company
- V. N. Mallikarjuna Rao
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
1,1,1,2,2,3,3,4,4,5,6-undecafluorohexane and use thereof in composi...
- Patent number 5,250,213
- Issue date Oct 5, 1993
- E. I. Du Pont de Nemours and Company
- Shlomo Rozen
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Transfer hydrogenation of nitriles using amine donors
- Patent number 5,237,088
- Issue date Aug 17, 1993
- E. I. Du Pont de Nemours and Company
- Frank J. Weigert
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Compositions of 1,1,1,2,2,5,5,5,-octafluoro-4-trifluoromethylpentan...
- Patent number 5,221,361
- Issue date Jun 22, 1993
- E. I. Du Pont de Nemours and Company
- Douglas R. Anton
- C11 - ANIMAL AND VEGETABLE OILS, FATS, FATTY SUBSTANCES AND WAXES FATTY ACIDS...
Information Patent Grant
Process for the catalytic pyrolysis of bis(hexamethylene)triamine
- Patent number 5,216,152
- Issue date Jun 1, 1993
- E. I. Du Pont de Nemours and Company
- Frank J. Weigert
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for the manufacture of halogen-substituted propanes contain...
- Patent number 5,177,273
- Issue date Jan 5, 1993
- E. I. Du Pont de Nemours and Company
- Douglas W. Bruhnke
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for preparing methyl- and ethyl-substituted primary anilines
- Patent number 5,171,890
- Issue date Dec 15, 1992
- E. I. Du Pont de Nemours and Company
- Frank J. Weigert
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for chlorofluoropropanes
- Patent number 5,157,171
- Issue date Oct 20, 1992
- E. I. Du Pont de Nemours and Company
- Allen C. Sievert
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Hydrogenolysis/dehydrohalogenation process
- Patent number 5,146,018
- Issue date Sep 8, 1992
- E. I. Du Pont de Nemours and Company
- Carl S. Kellner
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for preparing methyl- and ethyl-substituted primary anilines
- Patent number 5,126,484
- Issue date Jun 30, 1992
- E. I. Du Pont de Nemours and Company
- Frank J. Weigert
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Catalytic process for producing CCl.sub.3 CF.sub.3
- Patent number 5,120,883
- Issue date Jun 9, 1992
- E. I. Du Pont de Nemours and Company
- V. N. Mallikarjuna Rao
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for preparing methyl- and ethyl-substituted primary anilines
- Patent number 5,093,527
- Issue date Mar 3, 1992
- E. I. Du Pont de Nemours and Company
- Frank J. Weigert
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Compositions of 1,1,1,2,2,5,5,5-octafluoro-4-trifluormethypentane a...
- Patent number 5,073,290
- Issue date Dec 17, 1991
- E. I. Du Pont de Nemours and Company
- Douglas R. Anton
- C11 - ANIMAL AND VEGETABLE OILS, FATS, FATTY SUBSTANCES AND WAXES FATTY ACIDS...
Information Patent Grant
Hydrogenolysis/dehydrohalogenation process
- Patent number 5,068,473
- Issue date Nov 26, 1991
- E. I. Du Pont de Nemours and Company
- Carl S. Kellner
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Catalytic equilibration to improve the relative yield of selected h...
- Patent number 5,030,372
- Issue date Jul 9, 1991
- E. I. Du Pont de Nemours and Company
- William H. Manogue
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for preparing a mixture of methyl- or ethyl-substituted pri...
- Patent number RE33549
- Issue date Mar 5, 1991
- E. I. Du Pont de Nemours and Company
- Frank J. Weigert
- 564 - Organic compounds
Information Patent Grant
Process for preparing (polyfluoroalkyl)polyfluoroarenes
- Patent number 4,910,351
- Issue date Mar 20, 1990
- E. I. Du Pont de Nemours and Company
- Frank J. Weigert
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Defluorination process using activated carbon
- Patent number 4,820,884
- Issue date Apr 11, 1989
- E. I. Du Pont de Nemours and Company
- Frank J. Weigert
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Defluorination process using activated carbon
- Patent number 4,820,883
- Issue date Apr 11, 1989
- E. I. Du Pont de Nemours and Company
- Frank J. Weigert
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Catalytic fluoroolefin transhalogenations
- Patent number 4,814,522
- Issue date Mar 21, 1989
- E. I. DuPont DeNemours & Company
- Frank J. Weigert
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for preparing methyl- and ethyl-substituted primary anilines
- Patent number 4,804,784
- Issue date Feb 14, 1989
- E. I. Du Pont de Nemours and Company
- Frank J. Weigert
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Preparation of substituted fluorobenzenes
- Patent number 4,754,084
- Issue date Jun 28, 1988
- E. I. Du Pont de Nemours and Company
- Frank J. Weigert
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Catalytic transhalogenation of haloaromatics
- Patent number 4,734,503
- Issue date Mar 29, 1988
- E. I. Du Pont de Nemours and Company
- Frank J. Weigert
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for preparing a mixture of methyl- or ethyl-substituted pri...
- Patent number 4,593,124
- Issue date Jun 3, 1986
- E. I. Du Pont de Nemours and Company
- Frank J. Weigert
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Preparation of dimethylamine
- Patent number 4,313,003
- Issue date Jan 26, 1982
- E. I. Du Pont de Nemours and Company
- Frank J. Weigert
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Preparation of monomethylamine
- Patent number 4,254,061
- Issue date Mar 3, 1981
- E. I. Du Pont de Nemours and Company
- Frank J. Weigert
- C07 - ORGANIC CHEMISTRY

Patents Applicationslast 30 patents

Information Patent Application
Catalytic equilibration to increase the relative mole fraction of C...
- Publication number 20030139634
- Publication date Jul 24, 2003
- Leo Ernest Manzer
- C07 - ORGANIC CHEMISTRY

Frank J. Weigert

Person

Patents Grantslast 30 patents

Catalytic equilibration to increase the relative mole fraction of C...

Gem-dihydropolyfluoroalkanes and monohydropolyfluoroalkenes, proces...

Catalytic equilibration to improve the relative yield of selected h...

Catalytic process for producing CF.sub.3 CHClF

Gem-dihydropolyfluoroalkanes and monohydropolyfluoroalkenes, proces...

1,1,1,2,2,3,3,4,4,5,6-undecafluorohexane and use thereof in composi...

Transfer hydrogenation of nitriles using amine donors

Compositions of 1,1,1,2,2,5,5,5,-octafluoro-4-trifluoromethylpentan...

Process for the catalytic pyrolysis of bis(hexamethylene)triamine

Process for the manufacture of halogen-substituted propanes contain...

Process for preparing methyl- and ethyl-substituted primary anilines

Process for chlorofluoropropanes

Hydrogenolysis/dehydrohalogenation process

Process for preparing methyl- and ethyl-substituted primary anilines

Catalytic process for producing CCl.sub.3 CF.sub.3

Process for preparing methyl- and ethyl-substituted primary anilines

Compositions of 1,1,1,2,2,5,5,5-octafluoro-4-trifluormethypentane a...

Hydrogenolysis/dehydrohalogenation process

Catalytic equilibration to improve the relative yield of selected h...

Process for preparing a mixture of methyl- or ethyl-substituted pri...

Process for preparing (polyfluoroalkyl)polyfluoroarenes

Defluorination process using activated carbon

Defluorination process using activated carbon

Catalytic fluoroolefin transhalogenations

Process for preparing methyl- and ethyl-substituted primary anilines

Preparation of substituted fluorobenzenes

Catalytic transhalogenation of haloaromatics

Process for preparing a mixture of methyl- or ethyl-substituted pri...

Preparation of dimethylamine

Preparation of monomethylamine

Patents Applicationslast 30 patents

Catalytic equilibration to increase the relative mole fraction of C...