Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Mixing of two or more solid polymers; mixing of solid...
Reexamination Certificate
2006-10-10
2006-10-10
Lipman, Bernard (Department: 1713)
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Mixing of two or more solid polymers; mixing of solid...
C525S328200, C525S328300, C525S329400, C525S383000
Reexamination Certificate
active
07119148
ABSTRACT:
A method for making a storage-stable glyoxalated polyacrylamide composition suitable for use as a strengthening agent for paper in which the glyoxal is added to the base polyacrylamide polymer in two portions and a scavenger for aldehyde groups is used.
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Favors Karla D.
Hagiopol Cornel
Jenkins Donald G.
Johnston James W.
Luo Yuping
Georgia-Pacific Resins Inc.
Lipman Bernard
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