Patents by Inventor Carl Ray White

Carl Ray White 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).

  • Method for the catalytic production of hydrocodone and hydromorphone
    Patent number: 7323565
    Abstract: A method for the catalytic conversion of codeine, morphine or analogs thereof into hydrocodone, hydromorphone or analogs thereof utilizing a transition metal complex of a tertiary phosphine halide as catalyst.
    Type: Grant
    Filed: November 5, 2003
    Date of Patent: January 29, 2008
    Assignee: Mallinckrodt Inc.
    Inventors: Peter Xianqi Wang, Carl Ray White
  • Method for the catalytic production of hydrocodone and hydromorphone
    Patent number: 7321038
    Abstract: A method for the catalytic conversion of codeine, morphine or analogs thereof into hydrocodone, hydromorphone or analogs thereof utilizing a transition metal catalyst of the formula [M(PR3R4R5)nXm]p; wherein R1 is H, alkyl, aryl or acyl; M is a Group VIII transition metal; R3, R4 and R5 are selected from the group consisting of alkyl, aryl, alkoxyl, phenoxyl and combinations thereof; X is a halide or an anion; n is 1, 2, 3 or 4; m is 1 or 2; and p is at least 1.
    Type: Grant
    Filed: October 25, 2004
    Date of Patent: January 22, 2008
    Assignee: Mallinckrodt Inc.
    Inventors: Peter Xianqi Wang, Carl Ray White