Patents by Inventor Luis Perdomo

Luis Perdomo 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).

  • Low molecular weight cellulose mixed esters and their use as low viscosity binders and modifiers in coating compositions
    Publication number: 20070088105
    Abstract: Cellulose mixed esters are disclosed having low molecular weights and low degrees of polymerization. These new cellulose mixed esters include cellulose acetate propionate and cellulose acetate butyrate. The esters exhibit solubility in a wide range of organic solvents with minimal viscosity increase, are compatible with a wide variety of resins, and are useful in coatings and inks compositions as binder resins and rheology modifiers.
    Type: Application
    Filed: March 30, 2006
    Publication date: April 19, 2007
    Inventors: Michael Shelton, Jessica Posey-Dowty, Luis Perdomo, Daniel Dixon, Paul Lucas, Alan Wilson, Kenneth Walker, Jonathan Lawniczak, Roy Foulk, Hieu Phan, Charlie Freeman, John Booton
  • Subscriber unit and method for updating a function value
    Patent number: 6215995
    Abstract: In a wireless communication system (10), a wireless subscriber unit (26) contains a function key (52) for performing an operation on a function value (50). The function value (50) is changed based on receipt of a message (38) sent from a transmission source (21).
    Type: Grant
    Filed: February 25, 2000
    Date of Patent: April 10, 2001
    Assignee: Motorola, Inc.
    Inventor: Jorge Luis Perdomo
  • Subscriber unit and method for updating a function value
    Patent number: 6118995
    Abstract: In a wireless communication system (10) including a transmission source (21), a wireless subscriber unit (26) contains a function key (52) for performing an operation on a function value (50). In response to receiving a change notification message (28), the transmission source (21) sends a message (38) to the wireless subscriber unit (26). The function value (50) is changed based on receipt of the message (38) sent from the transmission source (21).
    Type: Grant
    Filed: June 1, 1998
    Date of Patent: September 12, 2000
    Assignee: Motorola, Inc.
    Inventor: Jorge Luis Perdomo