Stock material or miscellaneous articles – Composite – Of carbohydrate
Reexamination Certificate
2005-09-20
2005-09-20
Kiliman, Ieszek (Department: 1773)
Stock material or miscellaneous articles
Composite
Of carbohydrate
C428S535000, C428S536000, C156S325000
Reexamination Certificate
active
06946204
ABSTRACT:
In a paper/film composite structure, the film is made of a low substituted cellulose ether having a molar degree of substitution with alkyl and/or hydroxyalkyl groups in the range of 0.05 to 1.3. The paper/film composite structure can be delivered to the waste paper recycling process without previously removing the film portion. The strength of film is increased without adding to the manufacturing cost. The paper/film composite structure is inexpensive and eliminates the risk of film rupture during the working, transporting and use stages.
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Hayakawa Kazuhisa
Obara Sakae
Tanioka Soji
Kiliman Ieszek
Shin-Etsu Chemical Co. , Ltd.
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