Building additives based on purified hydrophobically...

Organic compounds -- part of the class 532-570 series – Organic compounds – Carbohydrates or derivatives

Reexamination Certificate

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Details

C536S123100

Reexamination Certificate

active

07355039

ABSTRACT:
The present invention relates to highly hydroxyalkylated, glyoxal crosslinked, purified hydrophobically modified hydroxyalkyl guar useful as additive in the building industry, and to a method for its preparation.

REFERENCES:
patent: 3350386 (1967-10-01), Engelskirchen et al.
patent: 0323627 (1988-12-01), None

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