E.i. Dupont De Nemours and Company

Covation, Inc.

Ann Y Liauw

Hari Babu Sunkara

Mark Andrew Harmer

Mark Andrew Scialdone

Raja Hari Poladi

Vivek Kapur

Michael W Cobb

Sharlene Renee Williams

Disclosed are foam compositions and processes to form mixed tannin-phenolic foams. The foams comprises a continuous polymeric phase defining a plurality of cells, wherein the continuous polymeric phase comprises a mixed-resin derived from a phenol, a tannin, and a first monomer, and wherein the plurality of cells comprises a plurality of open-cells and a plurality of closed-cells with an open-cell content measured according to ASTM D6226-5, of less than 50%. The foam composition also comprises a discontinuous phase disposed in at least a portion of the plurality of closed-cells, the discontinuous phase comprising one or more blowing agents.

Mixed tannin-phenolic foams

Disclosed are acetals of nepetalic acid. They may be prepared by reaction of an alcohol with nepetalic acid, and are useful as repellents for insects and arthropods, in addition to other uses.

Acetals of nepetalic acid and method of preparation

Growing community of inventors

Wilmington, DE, United States of America

Ann Y Liauw