Patents Examined by Clinton Brook
  • Process for producing 2,3,3,3-tetrafluoropropene
    Patent number: 9670117
    Abstract: The present invention relates, in part, to the discovery that, during the fluorination of certain fluoroolefin starting reagents, particularly, 1,1,2,3-tetrachloropropene (1230xa), oligomerization/polymerization of such starting reagents reduces the conversion process and leads to increased catalyst deactivation. The present invention also illustrates that providing one or more organic co-feed to the fluoroolefin starting stream reduces such oligomerization/polymerization and improves catalystic stability.
    Type: Grant
    Filed: November 2, 2012
    Date of Patent: June 6, 2017
    Assignee: HONEYWELL INTERNATIONAL INC.
    Inventors: Selma Bektesevic, Daniel C. Merkel, Mario Joseph Nappa, Xuehui Sun, Hsueh Sung Tung, Haiyou Wang