Patents by Inventor Daniel J. Sweeney

Daniel J. Sweeney 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).

  • Composite axle for containers and the like
    Patent number: 6299258
    Abstract: A one-piece injection mold composite axle for containers includes an elongated body portion having an I-shaped cross section. The elongated body portion defines opposite ends, each of which has a spindle integrally formed thereon for carrying a wheel mounting part. The axle is formed of a non-corroding fiber reinforced polymer material.
    Type: Grant
    Filed: August 26, 1999
    Date of Patent: October 9, 2001
    Assignee: 21st Century Plastics Corporation
    Inventors: Gordon C. Wright, Daniel J. Sweeney
  • Enhancing drug delivery to the brain
    Patent number: 4835182
    Abstract: Tertiary butyl esters of anticancer drugs are provided which have the following formula: ##STR1## wherein R.sub.1 and R.sub.2 are the same or different and are selected from the group consisting of H, F, Cl, Br, and I and R.sub.2 can also be NH.sub.2 ;R.sub.3, R.sub.4, and R.sub.5 are the same or different and are selected from the group consisting of H, F, Cl, Br, I, and C.sub.1 -C.sub.3 alkyl; wherein alkyl may be substituted with F, Cl, Br, or I, with the proviso that at least two of R.sub.3, R.sub.4, and R.sub.5 are alkyl or substituted alkyl; andn=0-4.The compounds of the present invention can be used in treating cancer by significantly increasing the brain levels of the drugs of the invention and their active metabolites.
    Type: Grant
    Filed: August 21, 1987
    Date of Patent: May 30, 1989
    Assignee: The United States of America as represented by the Department of Health and Human Services
    Inventors: Nigel H. Greig, Daniel J. Sweeney, Stanley I. Rapoport