Appeal 2007-4316
Application 09/911,268
A. Introduction
Applicants ("Eckel") appeal under 35 U.S.C. § 134 from the final
rejection of claims 1–17, all of the pending claims, as unpatentable under 35
U.S.C. §§ 102(b), (e), and 103(a) in view of prior art. We have jurisdiction
under 35 U.S.C. § 6(b). We REVERSE.
The subject matter on appeal relates to flame resistant polycarbonate
compositions characterized by a low quantity of a particular
organophosphate impurity.
Claim 1 is representative and reads as follows:
1. A polycarbonate composition comprising a phosphorus
compound represented by the general formula (I),
{The figure from claim 1 is reproduced below:}2
{The Figure is said to show an oligophosphate compound}
in which
R1, R2, R3 and R4 are each independently selected from
the group consisting of (i) C1 to C8 alkyl optionally
substituted by halogen, (ii) C5 to C6 cycloalkyl, (iii) C6 to
C10 aryl and (iv) C7 to C12 aralkyl, each of (ii), (iii) and
(iv) being optionally and independently substituted by at
least one of halogen and C1 to C4 alkyl;
2 The text in curly braces before and after Figures and Tables in this
Decision is provided to ensure compliance with section 508 of the U.S.
Rehabilitation Act for publication of this Decision on the USPTO website
pursuant to the Freedom of Information Act. It is not part of the Decision.
2
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