Coating processes – Particles – flakes – or granules coated or encapsulated – Fluidized bed utilized
Reexamination Certificate
2006-01-24
2010-06-01
McClendon, Sanza L (Department: 1796)
Coating processes
Particles, flakes, or granules coated or encapsulated
Fluidized bed utilized
C427S212000, C427S331000, C427S372200, C250S434000, C250S435000, C250S436000, C250S428000, C250S43200R, C422S131000, C422S134000, C422S129000, C422S213000, C422S212000, C526S072000, C526S075000, C526S317100, C526S318500, C502S400000, C502S401000, C502S402000, C523S109000, C523S111000, C428S402000, C424S400000
Reexamination Certificate
active
07727586
ABSTRACT:
A process for producing water-absorbing polymeric particles by dropletization polymerization in the gas phase, which comprises drying the polymeric particles after the polymerization in a fluidized bed, the water-absorbing polymeric particles themselves, hygiene articles comprising these water-absorbing polymeric particles and also apparatus for implementing the process.
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Blei Stefan
Bruhns Stefan
Dücker Carolin Nadine
Frenz Volker
Heide Wilfried
BASF - Aktiengesellschaft
Marshall & Gerstein & Borun LLP
McClendon Sanza L
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