US Patent Issued to SYNGENTA CROP PROTECTION on June 16 for "Microcapsules encapsulating lambda-cyhalothrin" (North Carolina Inventors)

ALEXANDRIA, Va., June 16 -- United States Patent no. 12,653,185, issued on June 16, was assigned to SYNGENTA CROP PROTECTION AG (Basel, Switzerland).

"Microcapsules encapsulating lambda-cyhalothrin" was invented by Kal Edly (Greensboro, N.C.) and Matthew Robert Cottle (Greensboro, N.C.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A composition comprising a microcapsule having a polyurea wall encapsulating a pyrethroid insecticide, wherein the polyurea wall of the microcapsule is made of polyurea polymers derived from a mixture of aromatic polyisocyanate (A) and aromatic diisocyanate (B), the weight ratio of (A) to (B) is 1:1, the polymer (or wall) content of each microcapsule is from 6 to 9% by weight, and...