Patents by Inventor Charles P. Marabella

Charles P. Marabella 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).

  • Controlled release particles
    Publication number: 20030031694
    Abstract: A particle that includes an inorganic matrix that includes channels and a composition disposed in the channels, the composition including organic structure-directing agent and active agent, e.g., pheromone, and the particle being capable of controllably releasing the active agent.
    Type: Application
    Filed: August 2, 2001
    Publication date: February 13, 2003
    Applicant: 3M Innovative Properties Company
    Inventors: Mark T. Anderson, Kenton D. Budd, Charles P. Marabella, Tadesse G. Nigatu
  • Device for exposing colorant to be transferred
    Patent number: 4879174
    Abstract: Microcapsules having colorant on their exterior surfaces can transfer the colorant when the capsules contain liquids which wet the colorant.
    Type: Grant
    Filed: January 10, 1986
    Date of Patent: November 7, 1989
    Assignee: Minnesota Mining and Manufacturing Company
    Inventor: Charles P. Marabella
  • Method for producing microcapsules and photosensitive microcapsules produced thereby
    Patent number: 4608330
    Abstract: A method for forming microcapsules by enwrapping an oily core material in a formaldehyde condensation product formed in situ wherein methylated polygalacturonic acid is used as an emulsion stabilizer; the method is particularly useful in forming photosensitive microcapsules in that uniform small microcapsule size is obtained.
    Type: Grant
    Filed: March 27, 1985
    Date of Patent: August 26, 1986
    Assignee: The Mead Corporation
    Inventor: Charles P. Marabella