Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – From organic oxygen-containing reactant
Reexamination Certificate
2005-01-04
2005-01-04
Sellers, Robert (Department: 1712)
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
From organic oxygen-containing reactant
Reexamination Certificate
active
06838544
ABSTRACT:
A polyol polymer having a greater number of hydroxy groups, an aliphatic acid ester of a polyol polymer having a greater number of hydroxy groups, and an aliphatic ether of a polyol polymer having a greater number of hydroxy groups are provided. A polymer obtained by polymerizing a polyol containing meso-erythritol, and an aliphatic acid ester and an aliphatic ether of the polymer are provided.
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Chemical abstracts accession No. 149-32-6, meso-erythritol or erythritol, 1967.
Fujita Hiro mi
Kawakami Hitoshi
Li Ge
Otani Takahito
Tajima Hirokuni
Rengo Co. Ltd.
Sellers Robert
Wenderoth , Lind & Ponack, L.L.P.
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