Patent ID: 11937599
Assignee: MONSANTO TECHNOLOGY LLC
Field: Basic materials chemistry (Chemistry)
Classification: CPC A | IPC A

Claim 14:
15. A process for preparing the herbicidal microcapsule of claim 1, the process comprising:
mixing an acetamide herbicide and a second herbicide to form a mixture wherein at least a portion of the second herbicide dissolves in the acetamide herbicide; and
encapsulating a core material comprising the mixture of the acetamide herbicide and the second herbicide in a shell wall comprising a polyurea formed by a polymerization reaction between a polyisocyanate component comprising a polyisocyanate or mixture of polyisocyanates and a polyamine component comprising a polyamine or mixture of polyamines in a polymerization medium, wherein the polyisocyanate comprises an aliphatic polyisocyanate.