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:
Sep. 27, 2005
Filed:
Nov. 09, 2001
Eishun Tsuchida, Tokyo, JP;
Shinji Takeoka, Tokyo, JP;
Keitaro Sou, Tokyo, JP;
Haruki Ohkawa, Tokyo, JP;
Katsura Mori, Kanagawa, JP;
Eishun Tsuchida, Tokyo, JP;
Shinji Takeoka, Tokyo, JP;
Keitaro Sou, Tokyo, JP;
Haruki Ohkawa, Tokyo, JP;
Katsura Mori, Kanagawa, JP;
Japan Science and Technology Corporation, Saitama, JP;
Abstract
As a negatively charged lipid that can stably add negative charges to the surface of vesicles without side effects, the carboxyl acid-type lipid of the following general formula [1]:[wherein R, Rand Rrepresent substituents of which one is represented by the following general formula [X]:(wherein M is a hydrogen atom or monovalent cation, and m is an integer of 1 to 5 that represents the methylene chain length), and the other two are chained hydrocarbon groups; A, Aand Aare the same or different substituents selected from the group consisting of C(O)O, CONH or NHCO; and n is an integer of 1 to 3 that represents the methylene chain length) is provided.