Polyalkylene glycol derivative and modified bio-related...

Details Polyalkylene glycol derivative and modified bio-related... Polyalkylene glycol derivative and modified bio-related...

2011-08-23

2011-08-23

Sznaidman, Marcos (Department: 1628)

Drug, bio-affecting and body treating compositions

Preparations characterized by special physical form

C568S579000

Reexamination Certificate

active

08003117

ABSTRACT:
A polyalkylene glycol derivative containing a compound of the formula (1):wherein R is a hydrocarbon group having 1 to 24 carbon atoms, OA2is an oxyalkylene group having 2 to 4 carbon atoms, the groups represented by R are the same or different from each other in one molecule, the groups represented by OA2are the same or different from each other in one molecule, m is an average number of moles of the oxyalkylene group added, m represents 10 to 1000, and X represents a functional group capable of chemically reactive with a bio-related substance,polydispersity Mw/Mn of the above polyalkylene glycol derivative in gel permeation chromatography satisfying the following relationship:in-line-formulae description="In-line Formulae" end="lead"?Mw/Mn≦1.07in-line-formulae description="In-line Formulae" end="tail"?wherein Mw represents a weight average molecular weight and Mn represents a number average molecular weight.

REFERENCES:
patent: 6667292 (2003-12-01), Kitabatake et al.
patent: 7851491 (2010-12-01), Nakamoto et al.
patent: 2005/0058620 (2005-03-01), Nakamoto et al.
patent: 2005/0288490 (2005-12-01), Nakamoto et al.
patent: 2006/0073113 (2006-04-01), Nakamoto et al.
patent: 6-145341 (1994-05-01), None
patent: 8-59818 (1996-03-01), None
patent: 11-228685 (1999-08-01), None
patent: 2000-1541 (2000-01-01), None
patent: 2003-113241 (2003-04-01), None
International Search Report for PCT/JP03/14844 dated Feb. 24, 2004.

Affiliated with

Also associated with

Rating

Polyalkylene glycol derivative and modified bio-related... does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Polyalkylene glycol derivative and modified bio-related..., we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Polyalkylene glycol derivative and modified bio-related... will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-2643563