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For the Inventor, By the Inventor

Wilmington, DE, United States of America

Frank J Weigert

USPTO Granted Patents = 34

Average Co-Inventor Count = 1.4

ph-index = 9

Forward Citations = 237(Granted Patents)


Company Filing History:

goldMedal34 out of 16,338 
 
E.i. Dupont De Nemours and Company
 patents

Years Active: 1977-2004

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34 patents (USPTO):Explore Patents
1. 6706935 - Catalytic equilibration to increase the relative mole fraction of CF3CHCI, CF3CHCI2 or CF3CF2H in a composition (2004-03-16),
2. 6194619 - Gem-dihydropolyfluoroalkanes and monohydropolyfluoroalkenes, processes for their production, and use of gem-dihydropolyfluoroalkanes in cleaning compositions (2001-02-27),
3. 5406009 - Catalytic equilibration to improve the relative yield of selected (1995-04-11),
4. 5302765 - Catalytic process for producing CF.sub.3 CHClF (1994-04-12),
5. 5268122 - Gem-dihydropolyfluoroalkanes and monohydropolyfluoroalkenes, processes (1993-12-07),
6. 5250213 - 1,1,1,2,2,3,3,4,4,5,6-undecafluorohexane and use thereof in compositions (1993-10-05),
7. 5237088 - Transfer hydrogenation of nitriles using amine donors (1993-08-17),
8. 5221361 - Compositions of 1,1,1,2,2,5,5,5,-octafluoro-4-trifluoromethylpentane and (1993-06-22),
9. 5216152 - Process for the catalytic pyrolysis of bis(hexamethylene)triamine (1993-06-01),
10. 5177273 - Process for the manufacture of halogen-substituted propanes containing (1993-01-05),
11. 5171890 - Process for preparing methyl- and ethyl-substituted primary anilines (1992-12-15),
12. 5157171 - Process for chlorofluoropropanes (1992-10-20),
13. 5146018 - Hydrogenolysis/dehydrohalogenation process (1992-09-08),
14. 5126484 - Process for preparing methyl- and ethyl-substituted primary anilines (1992-06-30),
15. 5120883 - Catalytic process for producing CCl.sub.3 CF.sub.3 (1992-06-09),

Title: Frank J. Weigert: Innovator in Fluorinated Compounds

Introduction

Frank J. Weigert is a prolific inventor based in Wilmington, DE, known for his significant contributions to the field of chemistry, particularly in the development of fluorinated compounds. With an impressive 34 patents to his name, his work primarily focuses on enhancing chemical compositions, particularly in the realm of industrial applications.

Latest Patents

One of Frank J. Weigert’s recent patents involves a method for catalytic equilibration to increase the relative mole fraction of certain fluorinated compounds in a gaseous composition. This innovative method provides a systematic approach for enhancing the mole fraction of compounds such as CF3CHCl, CF3CHCl2, or CF3CF2H. The process involves providing a gaseous mixture, incorporating specific catalysts, and maintaining temperature conditions that ensure optimal reactions. Additionally, Weigert has patented processes for the production and use of gem-dihydropolyfluoroalkanes and monohydropolyfluoroalkenes, emphasizing their application in cleaning compositions.

Career Highlights

Frank J. Weigert is associated with E.I. DuPont de Nemours and Company, a leading firm in the field of materials science and chemical manufacturing. Through his role at DuPont, Weigert has been able to leverage the company’s advanced research facilities and expertise, driving innovation in chemical formulations and applications.

Collaborations

Throughout his career, Weigert has collaborated with notable colleagues, including V.N. Rao and Carl G. Krespan. These partnerships have proven fruitful, contributing to the development of groundbreaking technologies and methodologies in the field of fluorinated compounds.

Conclusion

Frank J. Weigert remains a vital figure in the chemistry landscape, with his innovative ideas and collaborations continuing to pave the way for advancements in chemical processes. His extensive patent portfolio showcases his commitment to innovation, providing solutions that address complex challenges in chemical composition and application.

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