Time release protein

Details Time release protein Time release protein

1989-06-05

1991-10-08

Page, Thurman

Drug, bio-affecting and body treating compositions

Preparations characterized by special physical form

Biocides; animal or insect repellents or attractants

424491, 424499, 424488, 424489, 424484, 424485, 424497, 426656, A01N 2508, A23J 100

Patent

active

050553003

ABSTRACT:
Disclosed is a porous protein particle for delivering over a period of time an active ingredient impregnated therein, and methods of making and using the same. The protein particles have a median size less than about 50 microns. Active ingredient entrapped in the porous structure is gradually released from the protein particle.

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