Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Processes of preparing a desired or intentional composition...
Reexamination Certificate
2006-12-05
2006-12-05
Szekely, Peter (Department: 1714)
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Processes of preparing a desired or intentional composition...
C524S262000
Reexamination Certificate
active
07144935
ABSTRACT:
A flame resistant poly(ester)carbonate composition is disclosed. The composition contains at least one phosphorus-silicon compound, the compound has a phosphorus content of 1 to 20% and a silicon content of 1 to 20%, and is characterized in that its weight loss (assessed by thermogravimetric analysis under nitrogen inert gas at a heating rate of 20° K/min,) at 280° C. is less than 30%. The preferred phosphorus-silicon compound is produced by thermal oligomerization from phosphorylated silanes.
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S. Shenkov and U. Delimarinova, “Synthesis of Phosphorus And Silicon Containing Monomers and Oligomers With End Phosphonate and Phosphate Groups”.
Ebenbeck Wolfgang
Eckel Thomas
Endtner Jochen
Seidel Andreas
Wagner Michael
Bayer Aktiengesellschaft
Gil Joseph C.
Preis Aron
Szekely Peter
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