Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Ion-exchange polymer or process of preparing
Reexamination Certificate
2007-09-04
2007-09-04
Pezzuto, Helen L (Department: 1713)
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Ion-exchange polymer or process of preparing
C521S025000, C521S030000, C521S032000, C521S033000, C521S038000, C526S079000, C526S080000, C526S087000, C526S218100, C526S227000, C526S336000, C526S342000, C526S347000
Reexamination Certificate
active
10896460
ABSTRACT:
Process for preparing monodisperse weakly basic or optionally strongly basic anion exchangers of the poly(meth)acrylamide type, the ion exchangers themselves and their use.
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Halle Olaf
Klipper Reinhold
Podszun Wolfgang
Schmid Claudia
Seidel Rüdiger
Bayer Aktiengesellschaft
Norris McLaughlin & Marcus PA
Pezzuto Helen L
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