Drug – bio-affecting and body treating compositions – Preparations characterized by special physical form – Particulate form
Reexamination Certificate
2007-04-05
2011-11-22
Richter, Johann (Department: 1616)
Drug, bio-affecting and body treating compositions
Preparations characterized by special physical form
Particulate form
C424S001290, C424S489000, C424S494000, C524S848000, C524S849000
Reexamination Certificate
active
08062673
ABSTRACT:
A method for embolization treatment was developed in which microspheres with novel properties are administered in a mammal. The microspheres are made using a novel process that results in microspheres with new combined properties of high density, low fracture, high swell capacity, rapid swell, and deformability following swell. These microspheres form occlusions with high durability, withstanding over 100 mm Hg (13.3 kPa) of pressure.
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Edelman Elazer R.
Feldstein Michael Jordan
Figuly Garret D.
Mahajan Surbhi
Schiffino Rinaldo S.
E I Du Pont de Nemours and Company
Kassa Jessica
Richter Johann
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