Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Processes of preparing a desired or intentional composition...
Reexamination Certificate
2006-04-03
2008-07-01
Sanders, Kriellion A (Department: 1796)
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Processes of preparing a desired or intentional composition...
C524S248000, C524S249000, C524S250000, C524S401000, C524S438000
Reexamination Certificate
active
07393887
ABSTRACT:
A composition and process is disclosed for the stabilization of halogen-containing polymers. In particular, chlorine-containing polymers such as poly vinyl chloride (PVC) are stabilized by incorporating of a stabilizer mixture having at least a perchlorate salt and an alkanolamine.
REFERENCES:
patent: 3657183 (1972-04-01), Stretanski
patent: 6194494 (2001-02-01), Wehner et al.
patent: 6497958 (2002-12-01), Abe et al.
Friedrich Hans-Helmut
Hopfmann Thomas
Kuhn Karl-Josef
Wehner Wolfgang
Crompton Corporation
Reitenbach Daniel
Sanders Kriellion A
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