Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Processes of preparing a desired or intentional composition...
Reexamination Certificate
2005-11-03
2011-11-15
Wilson, James O (Department: 1624)
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Processes of preparing a desired or intentional composition...
C524S006000, C524S008000, C544S214000, C558S076000
Reexamination Certificate
active
08058329
ABSTRACT:
Nitrous bridged derivatives of 6H-dibenz[c,e][1,2]-oxaphosphorine-6-oxides, process for the preparation and use thereof.The invention refers to nitrous bridged derivatives of 6H-dibenz[c,e][1,2]-oxaphosphorine-6-oxides, a process for the preparation thereof and their use as flameproofing agents for polymers such as polyesters, polyamides, polycarbonates, polystyrenes, polyethylene, polypropylene, phenolic and epoxy resins. The derivatives have the Formulae I or II:
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Ciesielski Michael
Dittrich Uwe
Doering Manfred
Just Berthold
Keller Holger
Hayes & Soloway P.C.
Sackey Ebenezer O.
Schill+Seilacher “Struktol” Aktiengesellschaft
Wilson James O
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