Patent · US Active

Hydrazido derivatives of hyaluronic acid

US8940888B2 · kind B2 · utility

0Cited by

7References

14Claims

0Family size

Assignee

PROCHON BIOTECH LTD. · IL

Inventors

Boaz Amit · Kiryat Ono, IL
Avraham Wortzel · Nesher, IL
Avner Yayon · Afula, IL

Key dates

Filing date	Aug 29, 2013
Grant date	Jan 27, 2015
Priority date	—
Expiry date	Aug 29, 2033

Classification

Technology area (CPC A)Human Necessities
CPC primaryA61K38/1825
WIPO fieldPharmaceuticals
WIPO sectorChemistry

Abstract

Disclosed are chemically modified hyaluronic acid (HA) derivatives containing hydrazido groups directly linked to the glucuronic acid residues of HA. Said hydrazido groups are used to obtain crosslinked and labeled HA derivatives. The invention further relates to methods of preparation of said HA derivatives.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.