Polymer microspheres/nanospheres and encapsulating...

Details Polymer microspheres/nanospheres and encapsulating... Polymer microspheres/nanospheres and encapsulating...

2010-03-24

2011-12-06

Theisen, Mary F (Department: 1743)

Plastic article or earthenware shaping or treating: apparatus

Means making particulate material directly from liquid or...

Reexamination Certificate

active

08070467

ABSTRACT:
This invention is an improved process to formulate polymeric microspheres
anospheres and encapsulate therapeutic proteins or other useful substances, and a polymer sphere apparatus. The invention is also methods of purifying protein-containing-polymeric-microspheres from unused polymer, and an apparatus therefore.

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Final Office Action, issued May 4, 2005, for U.S. Appl. No. 10/840,308.

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