The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Apr. 30, 2024
Filed:
Feb. 22, 2023
Trucapsol Llc, Bethlehem, PA (US);
Jiten Odhavji Dihora, Center Valley, PA (US);
Praveen Bachawala, Allentown, PA (US);
TRUCAPSOL LLC, Bethlehem, PA (US);
Abstract
Disclosed are controlled release particles, each controlled release particle of which includes: (a) a core including at least one hydrophobic active material and an emulsifier which is an oil-soluble or oil-dispersible lecithin emulsifier; and (b) a wall at least partially surrounding the core and including an acid insoluble polymer, a colloidal silica, a water insoluble divalent salt, a film forming polymer, and optionally a powder flow aid, wherein the controlled release particle is configured to retain the at least one hydrophobic active material when exposed to an acidic aqueous solution with a pH less than 6, and to release the at least one hydrophobic active material when exposed to a basic aqueous solution with a pH greater than 7. A method for preparing the particles and compositions containing the particles are also disclosed.