Organic compounds -- part of the class 532-570 series – Organic compounds – Carbohydrates or derivatives
Reexamination Certificate
2008-04-08
2008-04-08
Jiang, Shaojia Anna (Department: 1623)
Organic compounds -- part of the class 532-570 series
Organic compounds
Carbohydrates or derivatives
C536S123100
Reexamination Certificate
active
10508274
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
Bassi Giuseppe Li
Molteni Giuseppe
Pfeiffer Ugo
Rinaldi Cristina
Jiang Shaojia Anna
Lamberti SpA
Madan Mossman & Sriram P.C.
Olson Eric S
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