Package making – Methods – Plural covers
Reexamination Certificate
2008-03-04
2008-03-04
Rada, Rinaldi I. (Department: 3721)
Package making
Methods
Plural covers
C053S403000
Reexamination Certificate
active
11144859
ABSTRACT:
A process of preparing and a method of storing porous poly (vinyl acetal) resin body. A method of storing the porous body involves keeping the porous body wet and free of contamination with organic substances, dissolved ions, and other fine particles. The storing method also involves keeping the body free of mold and avoiding pre-cleaning after a prolonged period of storage.
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Inoue Jun
Sasaki Yasuoki
Tanno Megumi
Aion Co., Ltd.
Durand Paul
Oliff & Berridg,e PLC
Rada Rinaldi I.
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