Delayed release delivery systems and methods

Number of patents in Portfolio can not be more than 2000

United States of America

PATENT NO 12246077
APP PUB NO 20180110698A1
SERIAL NO

15712517

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Importance

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Abstract

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A delayed release delivery system comprises a hydrophilic core particle having surface pores and containing a liquid. The particle is encapsulated in a polymer having a hydrophobic backbone and hydrophilic pendant groups. At least some of the surface pores adjacent the hydrophilic pendant groups are blocked in the presence of water and unblocked in the absence of water. The treated particle contains liquid in a weight ratio of the liquid to the porous core particle of at least 400:1.

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Patent Owner(s)

  • ELC MANAGEMENT LLC

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Lee, Wilson A Hauppauge, US 30 79

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