Patents by Inventor Philip D. Rhoads

Philip D. Rhoads 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 OF PREVENTING AGGLOMERATION DURING MICROENCAPSULATION OF FRAGRANCE OILS
    Publication number: 20130313734
    Abstract: A process for preparing a microcapsules comprising an oil-based core material such that particle agglomeration is minimized during wall formation, the process employs reaction of an isocyanate or diisocyanate first with a guanidine compound followed by reaction with a polyfunctional amine.
    Type: Application
    Filed: May 22, 2012
    Publication date: November 28, 2013
    Applicant: P. H. GLATFELTER COMPANY
    Inventors: Peter C. Yao, Clark A. Cook, Philip D. Rhoads