Hyaluronic acid derivative modified with polyethylene glycol

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United States of America Patent

PATENT NO 11512147
APP PUB NO 20210371548A1
SERIAL NO

16763926

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Abstract

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The present invention provides hyaluronic acid derivatives including one or more of each of repeating units represented by the formulae (Ia), (Ib), and (Ic) in which certain cationic sites, certain hydrophobic sites, and certain hydrophilic sites have been introduced. In addition, the present invention provides complexes of the hyaluronic acid derivatives with a drug and pharmaceutical compositions including the hyaluronic acid derivatives, in particular, complexes of the hyaluronic acid derivatives with a drug.

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Patent Owner(s)

Patent OwnerAddress
CHUGAI SEIYAKU KABUSHIKI KAISHA5-1 UKIMA 5-CHOME KITA-KU TOKYO 1158543 ?1158543

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Hattori, Kazuo Gotemba, JP 115 1319
Nakai, Takashi Gotemba, JP 125 1382
Nakamura, Teruo Gotemba, JP 55 914
Shimoboji, Tsuyoshi Gotemba, JP 19 232

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