Plastic and nonmetallic article shaping or treating: processes – Formation of solid particulate material directly from molten...
Reexamination Certificate
2005-02-08
2005-02-08
Tentoni, Leo B. (Department: 1732)
Plastic and nonmetallic article shaping or treating: processes
Formation of solid particulate material directly from molten...
C264S028000, C264S041000, C264S086000, C264S186000, C264S233000, C264S234000, C264S236000, C264S330000, C536S123100, C536S124000
Reexamination Certificate
active
06852255
ABSTRACT:
This invention is concerned with a method for producing water-insoluble polysaccharides. A method for making the water-insoluble bio-compatible gel includes activating the hydroxyl-containing polysaccharides with the activating agent to form activated polysaccharides, and cross-linking the activated polysaccharides, under moderate conditions producing different shapes of the water-insoluble bio-compatible gel. The water-insoluble bio-compatible gels, films, porosities, powders, sheets, fibers and spheres of this invention may be applied to various medical and cosmetic uses.
REFERENCES:
patent: 4963666 (1990-10-01), Malson
patent: 61000017 (1986-01-01), None
patent: 05140201 (1993-06-01), None
Chen Jui-Hsiang
Hsieh Yu-Lin
Tsai Shiao-Wen
Yang Chiung-Lin
Yang Jean-Dean
Industrial Technology Research Institute
Tentoni Leo B.
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