Patents by Inventor Robert Z. D'Attilio

Robert Z. D'Attilio 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: 6495140
    Abstract: A process is described for the isolation, recovery and purification of non-polar extractives using one or more extracting solvents from the group of lower alcohols, ketones, and water. The non-polar extractives may include one or more of the classes alk(en)lyresorcinols, steroid, triterpenoid and cardiac glycosides and saponins, steryl ferulates and other phenolic acid conjugates, flavoroids, polar lipids, alcohol-soluble antimicrobials, prolamines and other alcohol-soluble proteolipids complexes. The process uses an aliphatic-substituted polysaccharide gel matrix in a process of hydrophobic interaction chromatography, and involves the steps of absorption, washing and recovery, wherein the extractives are absorbed and desorbed in the presence of and as a result of the concentration and selection of the organic ste of regenerating the gel matrix for further use.
    Type: Grant
    Filed: July 10, 2000
    Date of Patent: December 17, 2002
    Assignee: Her Majesty in right of Canada as represented by the Minister of Agriculture and Agri-Food Canada
    Inventors: F. William Collins, David A. Fielder, A. Bachir Sarr, Mark J. Redmond, Robert Z. D'Attilio