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:
Jul. 30, 1996
Filed:
Dec. 05, 1994
Tsuyoshi Miyazaki, Tsukuba, JP;
Kazuo Maruyama, Sagamihara, JP;
Motoharu Iwatsuru, Hachioji, JP;
Kouzoh Sanchika, Kawasaki, JP;
Mitsuhiro Nishida, Amagasaki, JP;
Tohru Yasukohchi, Kawasaki, JP;
Shigeru Kitano, Tsukuba, JP;
Akinori Suginaka, Chigasaki, JP;
Yoshihito Kadoma, Kobe, JP;
NOF Corporation, Tokyo, JP;
Abstract
A reactive vesicle comprising, as a vesicle-forming component, a reactive phospholipid derivative represented by the following general formula (1) and a functional substance-fixed vesicle prepared by reacting the reactive vesicle with a functional substance: ##STR1## in which R.sup.1 C(.dbd.O) and R.sup.2 C(.dbd.O) each represent an aliphatic acyl group, R.sup.3 denotes hydrogen atom or methyl group, OA represents an oxyalkylene group of 2-4 carbon atoms, n indicates the average number of moles of added oxyalkylene group and is 1-1,000, p is 0 or 1, X represents ##STR2## with q and r each being an integer of 0 to 4 or 1 to 4, respectively, and M denotes hydrogen atom or an alkli metal atom.