Patents by Inventor Cecil W. Propst

Cecil W. Propst 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).

  • Publication number: 20230330032
    Abstract: A composition comprising a core material, having a taste value and polymeric coating. The polymeric coating substantially surrounds the core material and comprises a cationic polymer and optionally an anionic polymer. The polymeric coating has a uniform thickness ranging from 2 ?m to 20 ?m. The composition provides release of a portion of the core material which is taste masked over a time period ranging from 0.5 minute to 2 minutes in the oral cavity and provides a modified-release of the remaining core material in a gastrointestinal tract.
    Type: Application
    Filed: June 21, 2023
    Publication date: October 19, 2023
    Applicant: SPI PHARMA, INC.
    Inventors: Diane GOLL, Cecil W. PROPST
  • Patent number: 11723877
    Abstract: A composition comprising a core material, having a taste value and a polymeric coating. The polymeric coating substantially surrounds the core material and comprises a cationic polymer and optionally an anionic polymer. The polymeric coating has a uniform thickness ranging from 2 ?m to 20 ?m. The composition provides release of a portion of the core material which is taste masked over a time period ranging from 0.5 minute to 2 minutes in the oral cavity and provides a modified-release of the remaining core material in a gastrointestinal tract.
    Type: Grant
    Filed: February 7, 2020
    Date of Patent: August 15, 2023
    Assignee: SPI PHARMA, INC.
    Inventors: Diane Goll, Cecil W. Propst
  • Publication number: 20220151932
    Abstract: The present invention relates to microspheres comprising a core material, wherein the microsphere is perfectly spherical and has a moisture content less than 1%, and the method of manufacturing the same. The present invention is useful in the manufacture of sustained and modified release active pharmaceutical ingredient (API) microspheres, as a free flowing excipient for mini-tablets and in the manufacture of API dispersions.
    Type: Application
    Filed: February 8, 2022
    Publication date: May 19, 2022
    Applicant: SPI Pharma, Inc.
    Inventors: Cecil W. Propst, Marc W. Meadows, Michael S. Todd
  • Patent number: 11278496
    Abstract: Microspheres comprising a core material, wherein the microspheres have a circularity greater than 0.95 and an aspect ratio greater than 0.95, and methods of manufacturing the same. The microspheres may be useful in the manufacture of sustained and modified release active pharmaceutical ingredient (API) microspheres, as a free flowing excipient for mini-tablets and in the manufacture of API dispersions.
    Type: Grant
    Filed: April 1, 2019
    Date of Patent: March 22, 2022
    Assignee: SPI Pharma, Inc.
    Inventors: Cecil W. Propst, Marc W. Meadows, Michael S. Todd
  • Publication number: 20200170959
    Abstract: A composition comprising a core material, having a taste value and a polymeric coating. The polymeric coating substantially surrounds the core material and comprises a cationic polymer and optionally an anionic polymer. The polymeric coating has a uniform thickness ranging from 2 ?m to 20 ?m. The composition provides release of a portion of the core material which is taste masked over a time period ranging from 0.5 minute to 2 minutes in the oral cavity and provides a modified-release of the remaining core material in a gastrointestinal tract.
    Type: Application
    Filed: February 7, 2020
    Publication date: June 4, 2020
    Applicant: SPI PHARMA, INC.
    Inventors: Diane GOLL, Cecil W. PROPST
  • Patent number: 10561621
    Abstract: A composition comprising a core material, having a taste value and a polymeric coating. The polymeric coating substantially surrounds the core material and comprises a cationic polymer and optionally an anionic polymer. The polymeric coating has a uniform thickness ranging from 2 ?m to 20 ?m. The composition provides release of a portion of the core material which is taste masked over a time period ranging from 0.5 minute to 2 minutes in the oral cavity and provides a modified-release of the remaining core material in a gastrointestinal tract.
    Type: Grant
    Filed: September 20, 2011
    Date of Patent: February 18, 2020
    Inventors: Diane Goll, Cecil W. Propst
  • Publication number: 20190224126
    Abstract: Microspheres comprising a core material, wherein the microspheres have a circularity greater than 0.95 and an aspect ratio greater than 0.95, and methods of manufacturing the same. The microspheres may be useful in the manufacture of sustained and modified release active pharmaceutical ingredient (API) microspheres, as a free flowing excipient for mini-tablets and in the manufacture of API dispersions.
    Type: Application
    Filed: April 1, 2019
    Publication date: July 25, 2019
    Applicant: SPI Pharma, Inc.
    Inventors: Cecil W. Propst, Marc W. Meadows, Michael S. Todd
  • Patent number: 10245232
    Abstract: Microspheres comprising a core material, wherein the microspheres have a circularity greater than 0.95 and an aspect ratio greater than 0.95, and methods of manufacturing the same. The microspheres may be useful in the manufacture of sustained and modified release active pharmaceutical ingredient (API) microspheres, as a free flowing excipient for mini-tablets and in the manufacture of API dispersions.
    Type: Grant
    Filed: July 27, 2015
    Date of Patent: April 2, 2019
    Assignee: SPI PHARMA, INC.
    Inventors: Cecil W. Propst, Marc W. Meadows, Michael S. Todd
  • Publication number: 20160015640
    Abstract: Microspheres comprising a core material, wherein the microspheres have a circularity greater than 0.95 and an aspect ratio greater than 0.95, and methods of manufacturing the same. The microspheres may be useful in the manufacture of sustained and modified release active pharmaceutical ingredient (API) microspheres, as a free flowing excipient for mini-tablets and in the manufacture of API dispersions.
    Type: Application
    Filed: July 27, 2015
    Publication date: January 21, 2016
    Applicant: SPI PHARMA, INC.
    Inventors: Cecil W. Propst, Marc W. Meadows, Michael S. Todd
  • Patent number: 9089487
    Abstract: The present invention relates to microspheres comprising a core material, wherein the microsphere is perfectly spherical and has a moisture content less than 1%, and the method of manufacturing the same. The present invention is useful in the manufacture of sustained and modified release active pharmaceutical ingredient (API) microspheres, as a free flowing excipient for mini-tablets and in the manufacture of API dispersions.
    Type: Grant
    Filed: April 25, 2013
    Date of Patent: July 28, 2015
    Assignee: SPI Pharma, Inc.
    Inventors: Cecil W. Propst, Marc W. Meadows, Michael S. Todd
  • Publication number: 20150140097
    Abstract: The present invention relates to microspheres and compositions comprising a plurality of microspheres, wherein the microspheres are perfectly spherical and have a moisture content less than 1%, and the method of manufacturing the same. The present invention is useful in the manufacture of sustained and modified release active pharmaceutical ingredient (API) microspheres, as a free flowing excipient for mini-tablets and in the manufacture of API dispersions.
    Type: Application
    Filed: April 25, 2013
    Publication date: May 21, 2015
    Applicant: SPI Pharma, Inc.
    Inventors: Cecil W. Propst, Marc W. Meadows, Michael S. Todd
  • Publication number: 20140044793
    Abstract: A composition comprising a core material, having a taste value and a polymeric coating. The polymeric coating substantially surrounds the core material and comprises a cationic polymer and optionally an anionic polymer. The polymeric coating has a uniform thickness ranging from 2 ?m to 20 ?m. The composition provides release of a portion of the core material which is taste masked over a time period ranging from 0.5 minute to 2 minutes in the oral cavity and provides a modified-release of the remaining core material in a gastrointestinal tract.
    Type: Application
    Filed: September 20, 2011
    Publication date: February 13, 2014
    Applicant: SPI PHARMA, INC.
    Inventors: Diane Goll, Cecil W. Propst
  • Patent number: 7582154
    Abstract: The present invention includes methods for preparing polyol products including a method of making a free-flowing granular product comprising: a) charging hydrogenated starch hydrolysate to an agglomerator; b) adding polyol syrup to the maximum loading capacity of the hydrogenated starch hydrolysate; and c) adding polyol crystals in an amount sufficient to dry the product. The present invention also includes compositions comprising polyol products for use in pharmaceuticals, nutraceuticals, foods, such as frozen dairy and bakery items, and confections.
    Type: Grant
    Filed: July 28, 2005
    Date of Patent: September 1, 2009
    Assignee: Corn Products International, Inc.
    Inventors: Cecil W. Propst, Ronald C. Deis