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:
Oct. 24, 2000
Filed:
Mar. 03, 1999
Applicant:
Inventors:
Masaki Kogiso, Tsukuba, JP;
Toshimi Shimizu, Tsukuba, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07K / ; A61K / ;
U.S. Cl.
CPC ...
530359 ; 530331 ; 530333 ; 530343 ; 514 18 ; 514 19 ;
Abstract
Disclosed is a fine fibrous assembly having a molecular structure of a bola-form peptide lipid containing L- or D-valine residues which can be obtained by spontaneous crystallization precipitation when an aqueous solution of the peptide lipid compound of the general formula ##STR1## in which Me is a methyl group, the subscript m is 1, 2 or 3 and the subscript n is a positive integer in the range from 6 to 18, in the form of an alkali metal salt is kept standing over days under an atmosphere of a saturated vapor over a dilute aqueous solution of a vaporizable acid such as acetic acid.