Patents by Inventor Carlos E. Ospinal

Carlos E. Ospinal 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).

  • Soap bar compositions comprising alpha sulfonated fatty acid alkyl esters and long chain fatty acids
    Patent number: 6172026
    Abstract: Disclosed are compositions suitable for formation into mild personal cleansing or laundry detergent bars, as well as other uses. The compositions generally comprise: (a) from about 30% to about 99% by weight of a mixture of anionic surfactants comprising: i) an alpha sulfonated alkyl ester; and ii) a sulfonated fatty acid; (a) from about 0.5% to about 50% by weight of a fatty acid; and (b) from about 0.1% to about 50% by weight water; wherein the ratio of i) to ii) is from about 10:1 to about 0.5:1, and wherein the ratio of (a) to (b) is about 1:1 to about 11:1.
    Type: Grant
    Filed: August 5, 1999
    Date of Patent: January 9, 2001
    Assignee: Stepan Company
    Inventors: Carlos E. Ospinal, Jeffrey S. Nelson, Catherine J. Sporer, Marshall J. Nepras
  • Soap bar compositions comprising alpha sulfonated fatty acid alkyl esters and long chain fatty acids
    Patent number: 5965508
    Abstract: Disclosed are compositions suitable for formation into mild personal cleansing or laundry detergent bars, as well as other uses. The compositions generally comprise:(a) from about 30% to about 99% by weight of a mixture of anionic surfactants comprising:i) an alpha sulfonated alkyl ester; andii) a sulfonated fatty acid;(a) from about 0.5% to about 50% by weight of a fatty acid; and(b) from about 0.1% to about 50% by weight water;wherein the ratio of i) to ii) is from about 10:1 to about 0.5:1, and wherein the ratio of (a) to (b) is about 1:1 to about 11:1.
    Type: Grant
    Filed: October 21, 1997
    Date of Patent: October 12, 1999
    Assignee: Stepan Company
    Inventors: Carlos E. Ospinal, Jeffrey S. Nelson, Catherine J. Sporer, Marshall J. Nepras