Carboxylated polysaccharides and method of preparation and use

Details Carboxylated polysaccharides and method of preparation and use Carboxylated polysaccharides and method of preparation and use

2005-05-10

2008-11-25

Jiang, Shaojia Anna (Department: 1623)

Organic compounds -- part of the class 532-570 series

Organic compounds

Carbohydrates or derivatives

C536S105000, C536S056000

Reexamination Certificate

active

07456265

ABSTRACT:
Chemically modified dicarboxy polysaccharides are described. The modified polysaccharides are useful as a carrier for cosmetics, pharmaceuticals, veterinary products and the like. The modified polysaccharides can provide a timed release of active ingredients.

REFERENCES:
patent: 2894945 (1959-07-01), Hofreiter et al.
patent: 6811996 (2004-11-01), Inoue et al.
patent: WO 9507303 (1995-03-01), None

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