Patents by Inventor Rajendar Mallepally

Rajendar Mallepally has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • METHODS FOR REMOVAL OF SULFUR DIOXIDE (SO2) FROM TRIFLUOROACETYL CHLORIDE (TFAC)
    Publication number: 20220081386
    Abstract: Impurities such as sulfur dioxide (SO2) are removed from trifluoroacetyl chloride (TFAC) through distillation, adsorption, or a combination thereof, and/or including the formation of an azeotrope or azeotrope-like composition including effective amounts of sulfur dioxide (SO2) and trifluoroacetyl chloride (TFAC). The trifluoroacetyl chloride (TFAC) thus purified may then be used in the manufacture of trifluoroiodomethane (CF3I). Also disclosed are azeotropes and azeotrope like compositions of sulfur dioxide (SO2) and trifluoroacetyl chloride (TFAC).
    Type: Application
    Filed: September 3, 2021
    Publication date: March 17, 2022
    Inventors: Haluk Kopkalli, Haiyou Wang, Terris Yang, Jennifer W. McClaine, Richard Wilcox, Joshua Close, Rajendar Mallepally