High dry substance stein hall adhesives and method for...

Compositions: coating or plastic – Coating or plastic compositions – Carbohydrate or derivative containing

Reexamination Certificate

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Reexamination Certificate

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07087108

ABSTRACT:
The invention relates to a method for preparing a high dry substance Stein Hall adhesive, comprising the steps of preparing a carrier portion by gelatinising at least a part of the total starch in the adhesive in an alkaline medium, diluting the carrier portion with a volume of water, and adding the remaining secundary starch in which a first step said carrier portion is prepared, in a second step the carrier portion is diluted with a volume of water, followed by the addition of at least a portion of the secundary starch, and in a third step the remaining alkali is added in a diluted form together with the secundary starch. The addition of the remaining secundary starch and alkali is preferably performed stepwise.

REFERENCES:
patent: 2102937 (1937-12-01), Bauer
patent: 5000788 (1991-03-01), Stotler
patent: 6048391 (2000-04-01), de Valk et al.
patent: 2004/0102546 (2004-05-01), Skuratowicz et al.
patent: 1 571 336 (1980-07-01), None
Chemical Abstracts vol. 76, No. 14: Columbus, Ohio: (Apr. 3, 1972)Wheat Starch Adhesive; Abst.

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