Organic compounds -- part of the class 532-570 series – Organic compounds – Carbohydrates or derivatives
Reexamination Certificate
2008-07-08
2008-07-08
Jiang, Shaojia Anna (Department: 1623)
Organic compounds -- part of the class 532-570 series
Organic compounds
Carbohydrates or derivatives
C536S123100
Reexamination Certificate
active
10508320
ABSTRACT:
The present invention relates to highly hydroxyalkylated, glyoxal crosslinked, purified hydroxyalkyl guar useful as additive in the building industry, and to a method for its preparation.
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patent: 5082579 (1992-01-01), Dawson
patent: 0323627 (1988-12-01), None
U.S. Appl. No. 10/543,068, filed Nov. 2006, Rinaldi et al.
U.S. Appl. No. 10/508,274, filed Aug. 2005, Rinaldi et al.
Farid Hamedi Sangsari et al.;Competitive hemiacetalization and acetalization: corss-linking of cellulose by glyoxalRecl. Trav. Chim. Pays-Bas 109, (1990) pp. 419-424.
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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