[A] mixture of an ethoxylated acrylate monomer, which is instead readily miscible
with the liquid crystal, coupled with an acrylate monomer, which is instead poorly
miscible with the liquid crystal is the result of routine experimentation by one of
ordinary skill in the art at the time the invention was made, within the realm of the
invention of Masayuki, because it follows the same principle of
miscible/immiscible acrylate mixture which results in good control of the phase
separation structure of the polymer dispersed liquid crystal.
(Examiner’s Answer, p. 4).
Findings of Fact
1. The real party in interest in Serbutoviez, U.S. Application No. 09/877,312 is U.S. Philips
Corporation. (Brief, p. 2).
2. The 09/877,312 application was filed on June 8, 2001.
3. The rejection of claims 5 and 7-9 are presently on appeal. (Brief, p. 2).
4. Claim 5 of Serbutoviez ‘312 reads as follows:
A polymerizable mixture which can suitably be used in a polymer-dispersed liquid
crystal cell, which mixture comprises reactive monomers and a photoinitiator,
characterized in that the mixture contains two types of non-volatile reactive
monomers, the first type of monomer being an ethoxylated acrylate and readily
miscible with a liquid crystalline material and the second type of monomer being
poorly miscible with said liquid crystalline material.
5. Claim 7 of Serbutoviez ‘312 reads as follows:
A polymerizable mixture as claimed in claim 5, characterized in that the quantity
of each of the two types of monomers is at least 20 % by weight, calculated with
respect to the overall quantity of both types of monomers.
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