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For the Inventor, By the Inventor

Wilmington, DE, United States of America

V N Mallikarjuna Rao

USPTO Granted Patents = 18

Average Co-Inventor Count = 2.3

ph-index = 7

Forward Citations = 134(Granted Patents)


Company Filing History:

goldMedal18 out of 16,338 
 
E.i. Dupont De Nemours and Company
 patents

Years Active: 2001-2004

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18 patents (USPTO):Explore Patents
1. 6762333 - Process for reducing the fluorine content of hydrofluorocarbons and hydrohalofluorocarbons (2004-07-13),
2. 6683226 - Process for the production of hexafluoropropylene from CClF2CClFCF3 and azeotropes of CClF2CClFCF3 with HF (2004-01-27),
3. 6677493 - Processes for the purification and use of 2-chloro-1,1,1,2,3,3,3-heptafluoropropane and zeotropes thereof with HF (2004-01-13),
4. 6635187 - Compositions comprising hydrofluorocarbons and their manufacture (2003-10-21),
5. 6548720 - Process for the manufacture of 1,1,1,3,3-pentafluoropropene, 2-chloro-pentafluoropropene and compositions comprising saturated derivatives thereof (2003-04-15),
6. 6540933 - Process for the production of hexafluoropropylene from CC1F2CC1FCF3 and azeotropes of CC1F2CC1FCF3 with HF (2003-04-01),
7. 6376727 - Processes for the manufacture of 1,1,1,3,3-pentafluoropropene, 2-chloro-pentafluoropropene and compositions comprising saturated derivatives thereof (2002-04-23),
8. 6329559 - Processes for the production of hexafluoropropene and optionally other halogenated hydrocarbons containing fluorine (2001-12-11),
9. 6291729 - Halofluorocarbon hydrogenolysis (2001-09-18),
10. 6281396 - Fluorocarbon purification process (2001-08-28),
11. 6281395 - 1,1,1,2,3,3,3-heptafluoropropane manufacturing process (2001-08-28),
12. 6274781 - Production of dihalomethanes containing fluorine and azeotropes of dihalomethanes containing chlorine with HF (2001-08-14),
13. 6274780 - Catalysts for halogenated hydrocarbon processing and their preparation and use (2001-08-14),
14. 6262321 - Catalytic manufacture of vinyl fluoride (2001-07-17),
15. 6224781 - Compositions comprising hydrofluorocarbons and their manufacture (2001-05-01),

Title: V N Mallikarjuna Rao: Innovator in Chemical Processes

Introduction

V N Mallikarjuna Rao is a prominent inventor based in Wilmington, DE (US). He has made significant contributions to the field of chemical engineering, particularly in the area of hydrofluorocarbons and hydrohalofluorocarbons. With a total of 18 patents to his name, Rao's work has had a substantial impact on the industry.

Latest Patents

Among his latest patents is a process for reducing the fluorine content of hydrofluorocarbons and hydrohalofluorocarbons. This innovative method involves reacting acyclic saturated compounds with HCl in the vapor phase at elevated temperatures, utilizing a catalyst to achieve the desired reduction in fluorine content. Another notable patent is for the production of hexafluoropropylene from CClF2CClFCF3 and its azeotropes with HF. This process requires the use of specific reaction vessels made from titanium, nickel, or iron, and operates at high temperatures to produce hexafluoropropene efficiently.

Career Highlights

V N Mallikarjuna Rao is currently employed at E.I. DuPont De Nemours and Company, where he continues to innovate and develop new chemical processes. His expertise in the field has led to advancements that are crucial for environmental sustainability and industrial efficiency.

Collaborations

Throughout his career, Rao has collaborated with notable colleagues, including Allen Capron Sievert and Steven Henry Swearingen. These partnerships have fostered a collaborative environment that encourages innovation and the sharing of ideas.

Conclusion

V N Mallikarjuna Rao's contributions to chemical engineering and his impressive portfolio of patents highlight his role as a leading inventor in the industry. His work not only advances technology but also addresses important environmental concerns.

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