Title:
MULTI-ARM POLYETHYLENE GLYCOL-NITRINE DERIVATIVE
Document Type and Number:
WIPO Patent Application WO/2015/081831
Kind Code:
A1
Abstract:
Provided is a multi-arm polyethylene glycol-nitrine derivative of general formula I, wherein R is a central molecule; the derivative is selected from a polyhydroxy structure, a polyamino structure or a polycarboxyl structure; n is the number of branches or arms, n≥3; PEG is the same or different -(CH2CH2O)m-, the average value of m being an integer from 3 to 250; X is a linking group of a nitrine end group; k is the number of the branches having the nitrine end group; F is selected from the group consisting of amino, carboxyl, sulfhydryl, ester group, Malaya amide group and acrylic group; and Y is a linking group of an end group F.
Inventors:
CHEN XIAOMENG (CN)
LIN MEINA (CN)
ZHAO XUAN (CN)
LIN MEINA (CN)
ZHAO XUAN (CN)
Application Number:
PCT/CN2014/092737
Publication Date:
June 11, 2015
Filing Date:
December 02, 2014
Export Citation:
Assignee:
JENKEM TECHNOLOGY CO LTD TIANJIN (CN)
International Classes:
C08G81/00; C08G83/00
Domestic Patent References:
| WO2013128039A1 | 2013-09-06 | |||
| WO2008047057A1 | 2008-04-24 | |||
| WO2011075953A1 | 2011-06-30 |
Foreign References:
| CN102985462A | 2013-03-20 | |||
| CN102190791A | 2011-09-21 | |||
| CN101724144A | 2010-06-09 | |||
| CN102108119A | 2011-06-29 | |||
| CN101108895A | 2008-01-23 | |||
| US5672662A | 1997-09-30 | |||
| CN102108119A | 2011-06-29 |
Other References:
See also references of EP 3078699A4
Attorney, Agent or Firm:
SBZL IP LAW OFFICE (CN)
北京商专永信知识产权代理事务所（普通合伙） (CN)
北京商专永信知识产权代理事务所（普通合伙） (CN)
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