Patents by Inventor James Welshimer

James Welshimer 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).

  • Patent number: 10577281
    Abstract: A non-dispersible granular substrate is formed of a plurality of granules, each granule being a mixture including an inert mineral component, a mineral cement, and optionally a light weight additive. The granular substrate could be used, for example, as carriers for pesticides or soil amendments, and as animal bedding (e.g. cat litter). A method of making a non-dispersible granular substrate includes forming a batch mixture including an inert mineral component, a mineral cement, and water, and co-pelletizing the batch mixture to form a plurality of non-dispersible granules.
    Type: Grant
    Filed: August 5, 2016
    Date of Patent: March 3, 2020
    Assignee: The National Lime and Stone Company
    Inventors: James Welshimer, Jeffrey Wigdahl
  • Patent number: 10561118
    Abstract: A non-dispersible granular substrate remains solid when exposed to moisture is formed of a plurality of granules, each granule being a mixture including an inert mineral component, a binder formed of a reaction between cane molasses and hydrated lime, and optionally a light weight additive. A method of making a non-granular substrate includes forming a batch mixture including an inert mineral component, hydrated lime, cane molasses, water and optionally a light weight additive, and co-pelletizing the batch mixture to form a plurality of granules. The granular substrate can be used, for example, as animal bedding (e.g. cat litter).
    Type: Grant
    Filed: April 11, 2018
    Date of Patent: February 18, 2020
    Assignee: The National Lime and Stone Company
    Inventors: James Welshimer, Jeffrey Wigdahl, Jonathan Smeltz
  • Publication number: 20070082821
    Abstract: An inert dispersible granular substrate is suitable for use as a carrier for chemical agents. The granular substrate is comprised of one or more mineral components, the one or more mineral components having a bulk density of greater than about 70 pounds per cubic foot, one or more dispersibility additives; and one or more water soluble binders. The granular substrate has a bulk density of from greater than 55 pounds pcf to about 70 pcf, a water dispersibility of less than 5 minutes, a pH of from 6 to 8, and sufficient strength to survive formulation processing after 3 days of continuous exposure to a temperature of approximately 75° F. and a relative humidity of approximately 95%. Preferably, an active pesticide is applied to the dispersible granular substrate. The water dispersible granular substrates may be produced by forming a granular substrate admixture, pelletizing the admixture to form granular substrates, and drying the granular substrates.
    Type: Application
    Filed: October 10, 2006
    Publication date: April 12, 2007
    Inventors: James Welshimer, Timothy Birthisel