Patents by Inventor Kevin Douglas Bailey

Kevin Douglas Bailey 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).

  • Process for the preparation of 2-hydroxyalkyl halophenones
    Patent number: 6362376
    Abstract: 2-Benzyloxyalkyl halophenones of the formula (3): wherein X1 and X2 are each independently H, Cl or F, provided that at least one of X1 and X2 is Cl or F; one of R3 and R4 is H and the other is optionally substituted benzyloxy; and R5 is an unsubstituted alkyl, preferably a C1-6 alkyl group. The compounds are useful as intermediates for preparing 2-hydroxyalkyl halophenones.
    Type: Grant
    Filed: August 8, 2001
    Date of Patent: March 26, 2002
    Assignee: Avecia Limited
    Inventors: John Crosby, Kevin Douglas Bailey, Michael John Monteith
  • Process for the preparation of 2-hydroxyalkyl halophenones
    Patent number: 6300522
    Abstract: A process is provided for the preparation of compounds of Formula (1): wherein X1 and X2 are each independently H, Cl or F, provided that at least one of X1 and X2 is Cl or F; one of R1 and R2 is H and the other is OH; and R5 is an unsubstituted alkyl, preferably a C1-6 alkyl, group.
    Type: Grant
    Filed: November 29, 2000
    Date of Patent: October 9, 2001
    Assignee: Avecia Limited
    Inventors: John Crosby, Kevin Douglas Bailey, Michael John Monteith