The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Aug. 23, 2011
Filed:
Jun. 02, 2005
Ken-ichiro Nakamoto, Kanagawa, JP;
Syunsuke Ohashi, Kanagawa, JP;
Yuji Yamamoto, Tokyo, JP;
Kenji Sakanoue, Kanagawa, JP;
Chika Itoh, Kanagawa, JP;
Tohru Yasukohchi, Kanagawa, JP;
Ken-ichiro Nakamoto, Kanagawa, JP;
Syunsuke Ohashi, Kanagawa, JP;
Yuji Yamamoto, Tokyo, JP;
Kenji Sakanoue, Kanagawa, JP;
Chika Itoh, Kanagawa, JP;
Tohru Yasukohchi, Kanagawa, JP;
NOF Corporation, Tokyo, JP;
Abstract
A polyalkylene glycol derivative containing a compound of the formula (1): wherein R is a hydrocarbon group having 1 to 24 carbon atoms, OAis 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 OAare 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,