Organic compounds -- part of the class 532-570 series – Organic compounds – Carbohydrates or derivatives
Reexamination Certificate
2005-06-07
2005-06-07
Wilson, James O. (Department: 1623)
Organic compounds -- part of the class 532-570 series
Organic compounds
Carbohydrates or derivatives
C536S053000, C536S055100, C536S124000
Reexamination Certificate
active
06903199
ABSTRACT:
The present invention relates to water-insoluble, crosslinked amide derivatives of hyaluronic acid and manufacturing method thereof, where the amide derivatives of hyaluronic acid are characterized by crosslinking, of polymer or oligomer having two or more amine groups, with hyaluronic acid or its hyaluronate salts through amidation reaction. The water-insoluble, crosslinked amide derivatives of hyaluronic acid according to the present invention may be diversely used for prevention of adhesion after surgical operation, correction of facial wrinkles, dermal augmentation, tissue engineering, osteoarthritic viscosupplement etc.
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Han Kyu-beom
Kim Jin-hoon
Lee Jae-young
Moon Tae-seok
Krishnan Ganapathy
LG Life Sciences Ltd.
Swanson & Bratschun L.L.C.
Wilson James O.
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